Questions Asked on
February 25, 2013

Algebra
What is the side length of a square with an area of 144x²? A.12 B.12x C.±12x D.no solution I think it is C...?
asked by Cassie 
Algebra
What is the value of b in the triangle shown below? The triangle they are showing is a right triangle...the length is 3b and the width is b...on the inside of the triangle it says 24in^2. A.–4 in B.4 in C.±4 in D.no solution Please help I do not know
asked by Cassie 
Statistics
Problem 6 A histogram shows the number of hours students spent preparing for a test. The table below gives the intervals and the heights of the bars (in percent per hour). Intervals contain the left endpoint but not the right. No student spent 25 hours or
asked by A 
Math Perimeter
Draw a figure with 22 units
asked by Sharon 
Physics
A horse runs 15 m [N 23° E] and then 32 m [S 35° E]. What is the total displacement of the horse? I can't even visualise this... My friend told me the basic steps on how to solve it, but I got the wrong answer anyways... d1 = 15 m [N 23° E] d1x = 15m
asked by a Canadian 
Chemistry
Explain how you would prepare 100.0 mL of 0.500 M NaCl solution. Include the appropriate glassware and calculations.
asked by Dee 
dynamics
the normal acceleration of a particle on the rim of a pulley 10 ft in diameter is constant @ 8000 ft/s^2. determine the speed of the pulley in rpm
asked by fatz 
algebra
a hyperbola has vertices (+5,0) and one focus (6,0) what is the standard form equation of the hyperbola.
asked by lee 
chemistry
calculate the percentage of water in each of the following hydrates SrCl2*6H2O
asked by payton 
Physics
A proton (mass m = 1.67 1027 kg) is being accelerated along a straight line at 3.6 1015 m/s2 in a machine. The proton has an initial speed of 2.4 107 m/s and travels 2.8 cm. (a) What is its speed? (b) What is the increase in its kinetic energy?
asked by Patricia 
Maths
I divide exactly by 100 my first two digits are equal the sum of my four digits is 8
asked by Colin 
math
ther is 5/8 of left over , jay eats 2/15 of left over . how much of whole pie did jay eat
asked by jeanette 
Physics
A long, straight wire carrying a current of 317 A is placed in a uniform magnetic field that has a magnitude of 7.69 × 103 T. The wire is perpendicular to the field. Find a point in space where the net magnetic field is zero. Locate this point by
asked by Anonymous 
Chemistry
Please show work. 2Al(s) + 2NaOH(aq) + 6H2O(l) > 2NaAl(OH)4(aq) + 3H2(g) What mass of hydrogen gas would be formed from a reaction of 2.48 g Al and 4.76 g NaOH in water? Pb(NO3)2(s) + 2NaI(aq) > 2PbI2(s) +2NaNo3(aq) (a) If the solution contains 7.00
asked by Anonymous 
Algebra
Ellen is 11 years older than Maja. Last year Ellen was twice as old as Maja. How old is Maja now?
asked by Joe 
algebra
find an equation that models the path of a satelite if its path is a hyperbola, a=55,000km and c=81,000km assume that the center of the hyperbola is the origin and the tranverse axis is horizontal
asked by lee 
PLEASE COULD SOMEONE HELP ME OUT Physics
Two long straight aluminum wires, each of diameter 0.30mm, carry the same current but in opposite directions. They are suspended by 0.50m long strings...If the suspension strings make an angle of 3.0 degree with the vertical, what is the current in the
asked by John 
Spanish: Please check answers
Please check my answers. The nswers are at the bottom. 3. Fill in the blank with the correct form of the verb: yo/dormir. yo _________ 4. Fill in the blank with the correct form of the verb: ella/devolver. ella _________ 5. Fill in the blank with the
asked by Cassie 
Math
Find the area for a triangle: base 14 cm, height 5.5 cm. 19.5 cm² 77 cm² 38.5 cm² 770 cm²
asked by Sammy 
Understanding Perimeter
When finding the perimeter of a figure on a grid, why do you not count the spaces inside the grid?
asked by Sharon 
differential equation
If P(t) is the amount of dollars in a savings bank account that pays a yearly interest rate of r% compounded continuously ,then dP/dt=(r/100)(P) , t in years . Assume the interest is 5% annually ,P(0)=$1000 ,and no monies are withdrawn a)how much will be
asked by deq 
Information Systems
Problem #2 from page 173 Given the following business scenario, create a Crow’s Foot ERD using a specialization hierarchy if appropriate. Tiny Hospital keeps information on patients and hospital rooms. The system assigns each patient a patient ID number.
asked by Justin 
chem
If 507 g FeCl2 were used up in the reaction FeCl2 + 2NaOH Fe(OH)2(s) + 2NaCl, how many grams of NaCl would be made?
asked by gabby 
chem
What are the equilibrium concentrations of H2SO3, H+, HSO3−, and SO32−in a 0.050 M solution of sulfurous acid H2SO3 at 25 oC? For H2SO3 at 25 oC, Ka1 = 1.5×10−2 and Ka2 = 1.0×10−7
asked by ston 
chemistry
a sample of Ag2S has a mass of 62.4g. what mass of each element could be obtained by decomposing this sample?
asked by payton 
math
A RECTANGLE HAS A WIDTH OF X CENTIMETERS AND A PERIMETER OF 8X CENTIMETERS. A SQUARE HAS SIDES OF LENGTH 1/4 THAT OF THE RECTANGLE A) FIND THE LENGTH OF THE RECTANGLE B) FIND THE PERIMETER OF THE SQUARE C) FIND HOW MANY CCENTIMETERS GREATER THE RECTANGLE
asked by hi 
statistics
In a certain region, the mean annual salary for plumbers is $51,000. Let x be a random variable that represents a plumber's salary. Assume the standard deviation is $1300. If a random sample of 100 plumbers is selected, what is the probability that the
asked by katie 
chem
What are the equilibrium concentrations of H2SO3, H+, HSO3−, and SO32−in a 0.050 M solution of sulfurous acid H2SO3 at 25 oC? For H2SO3 at 25 oC, Ka1 = 1.5×10−2 and Ka2 = 1.0×10−7
asked by ston 
accounting
1On May 1, 2012, Pinkley Company sells office furniture for $150,000 cash. The office furniture originally cost $375,000 when purchased on January 1, 2005. Depreciation is recorded by the straightline method over 10 years with a salvage value of $37,500.
asked by miley 
management science
definitions of marketing,the author and the year
asked by stanley 
Math
The range of a set of data is 15, and the interquartile range of the same set is 12. Which of the following statements is true about the set? A) The two ranges are close together, so there is probably an outlier in this set B) The two ranges are close
asked by Frank 
chemistry
heating copper sulfate pentahydrate will evaporate the water from the crystals. leaving anhydrous copper sulfate,. a white powder. what mass of anhydrous CuSO4 would be produced by heating 500.0g of CuSO4*5H2O
asked by payton 
Algebra
On a math test, k students in the class averaged 80%. The remaining students in the class,q students, averaged 94% on the test. The class average on the test was 88%. Express the ration of k/q in simplest form.
asked by Kevin 
Physics
A block of mass m is dropped onto a relaxed spring constant k. The block becomes attached to the spring and compresses the spring a distance d before momentarily stopping. (Use any variable or symbol stated above along with the following as necessary: g
asked by Rachel 
Physics
A small compass is held horizontally, the center of its needle a distance of 0.460 m directly north of a long wire that is perpendicular to the earth's surface. When there is no current in the wire, the compass needle points due north, which is the
asked by Anonymous 
physics
Two spherical shells have a common center. A 2.00 × 106 C charge is spread uniformly over the inner shell, which has a radius of 0.050 m. A +5.50 × 106 C charge is spread uniformly over the outer shell, which has a radius of 0.15 m.
asked by sam 
Math
The first question is this: Helen designs a rectangle with an area of 225 square units. Her rectangle is the largest rectangle (that is, with largest area) with wholenumber side lengths that can be made from the perimeter of the rectangle. A. Whay are the
asked by Gabby 
Algebra II
A rock is thrown upward with a velocity of 28 meters per second from the top of a 36 meter high cliff, and it misses the cliff on the way back down. When will the rock be 9 meters from the water below. Round to two decimal places.
asked by Jeannie 
Math
Solve the proportion. Where necessary, round to the nearest hundredth. 8 over 2 = x+3 over 4
asked by Tristan 
math
A football field is 120 yards long and 53 yards wide. How much fencing is needed to enclose the field?
asked by kelly 
physics
A skateboarder starts from rest at the top and skates down a slope as shown. After 2.5 seconds, the skateboarder has reaches a speed of 10 metres per second. What is the skateboarder's acceleration?
asked by Kirsty Williams 
U.S History
Why were the Vietcong so successful against the United States? A.The Vietcong held the strategically important Ho Chi Minh Trail. B.U.S. troops could not engage the Vietcong in traditional warfare. C.Vietcong forces had superior weapons and military
asked by Chels 
Physics
A point charge Q1=2 microcoulomb is located at x=0, and a point charge Q2=+8 microcoulomb, is placed at x=0.5 on the x axis of a cartesian coordinate system.The goal of this problem is to determine the electric field,at various points along the x axis.
asked by Phy 
Chemistry
you have 20% sucrose solution. you need to mke 100ml of 15% sucrose solution. which is the correct dilution? A. 85ml of 20% sucrose and 15ml of h2o B. 25ml of 20% sucrose and 75ml of h2o C. 75ml of 20% sucrose and 25ml of h2o D. 15ml of 20% sucrose and
asked by Anon 
Math Perimeter
Draw a figure with the given perimeter, 10 units.
asked by Sharon 
physics
A sled is dragged along a horizontal path at a constant speed of 1.5 m/s by a rope that is inclined at an angle of 30.0° with respect to the horizontal (the figure below). The total weight of the sled is 470 N. The tension in the rope is 240 N. How much
asked by kyoya 
consumer math
amy miller's insurance policy has a $218.00 premium for 25/100 bodily injury limits and $25,000.00 property damage limits. the collision premium is $74.00. amy's drivingrating factor is 2.4. what is her annual premium?
asked by dylan 
Physics: Pressure Problem
What is the total pressure at the bottom of a lake at a depth of 38m?
asked by Confused Physics Student 
physics
A sled rider with a combined mass of 50.0kg are at the top of a hill of a 14m above the level of ground below. The sled is given a push providing an initial kinetic energy of 1700J. What is the potential energy at the top of the hill? After the push, what
asked by Mary 
physics
A spherical surface completely surrounds a collection of charges. Find the electric flux (with its sign) through the surface if the collection consists of (a) a single +1.80 × 106 C charge, (b) a single 8.20 × 106 C charge, and (c) both of the charges
asked by natasha 
Chemistry
You have .5g of copper. If the nitric acid is 16 M HNO3, how many milliliters of nitric acid will react exactly with that amount of copper. I know that when I get that volume I will triple it so that there will be excess acid and the copper will be the
asked by Morgan 
edu
Hannah said, "I like blue the best. It is my favorite color. I am the only one who likes blue this much. That's why everything of mine is blue." This is typical of __________ speech. A. personal function B. heuristic function C. representational D.
asked by resi 
Chemistry Help!!!!!
How many milliliters of 0.635M K2CrO4 are needed to precipitate all the silver in 410mL of 0.158M AgNO3 as AgCrO4 ?
asked by Lisa 
help please english
Hannah said, "I like blue the best. It is my favorite color. I am the only one who likes blue this much. That's why everything of mine is blue." This is typical of __________ speech. A. personal function B. heuristic function C. representational D.
asked by resi 
college algebra
If a rocket is propelled upward from ground level, its height in meters after t seconds is given by h=9.8t^2+88.2t. During what interval of time will the rocket be higher than137.2m? Do I set it up like this? 9.8(1)^2+88.2(1)+137.2 = 215.6 Then
asked by Anonymous 
Physics
A flat thin nonconducting ring has an inner radius R1 and an outer radius R2 . The disk is uniformly charged with charge per unit area σ(>0) . (a) What is the electric field at the center, P , of the ring? Express your answer in terms of the following
asked by P 
Chemistry: Freezing point
An aqueous solution is prepared by dissolving 1.08 g of human serum albumin, a protein obtained from blood plasma, in 50.0 mL of water. The solution has an osmotic pressure of 0.00770 atm at 298 K. What is the molar mass of the albumin? Answer: 6.86 x 10^4
asked by JJ 
Physics
You have a wire of length L = 2.1 m for making a square coil of a dc motor. The current in the coil is I = 1.8 A, and the magnetic field of the motor has a magnitude of B = 0.32 T. Find the maximum torque exerted on the coil when the wire is used to make
asked by Anonymous 
Physics
At a low point of its swing, a pendulum bob with a mass of 0.20kg has a velocity of 4.0m/s. (a) What is its kinetic energy? (b) How high will the bob swing above the low point before reversing direction?
asked by Lakeshia 
Chem
in the reaction NO3+CaCl2=2AgCl+Ca(NO3)2, how many grams of excess will remain when 20 grams of AgNO3 are reacted with 15 grams of CaCl2
asked by Dean 
college physics
A 4m long copper wire has a diameter of 2mm and carries a current of 10A. Determine the ff: a. current density in the wire b. electric field c. potential difference between the ends of the wire d. resistance of the wire
asked by Zell 
physics
A crate of mass 50kg is pulled up a rough inclined plane ,inclined at an angle of 60 degree to the horizontal.determine the total work done in moving the crate to the top of the inclined 200 meter hight.(show workin).
asked by Julius 
Chemistry
A 1.065g sample of an unknown substance is dissolved in 30.00 g of benzene; the freezing point of the solution is 4.25 degrees C. The compound is 50.69% C, 4.23% H, and 45.08% O by mass. Info you might need on benzene: Normal Freezing point,degrees C:
asked by JJ 
Algebra
Mattie Evans drove 300 miles in the same amount of time that it took a turbo propeller plane to travel 1300 miles. The speed of the plane was 200 mph faster than the speed of the car.Find the speed of the plane.
asked by Roxy 
Accounting
Date Activities Units Acquired at Cost Units Sold at Retail Mar. 1 Beginning inventory 50 units @ $50/unit Mar. 5 Purchase 200 units @ $55/unit Mar. 9 Sales 210 units @ $85/unit Mar. 18 Purchase 60 units @ $60/unit Mar. 25 Purchase 100 units @ $62/unit
asked by Aleena 
chemistry
How many of the following electron configurations are allowed? 1s22s22p7 1s22s22p62d1 [Ne]4s24p4 [Ar]3d64s2 1s22s22p83s23p4
asked by adex 
Math
I have the answers but i need to know the steps. Michelle has $60. If her friend Kristin has $300, what percent of kristins money does michelle have? I got 80% To Pass a test Kristin had to get 75% of the answers correct. If there were 84 questions on the
asked by Mary 
Chem Help!!!!
In an experiment, 0.771g Cr(s)reacts completely with 0.712g O2 to form a single solid compound. Write a balanced equation
asked by Lisa 
Physics please help
Two long straight aluminum wires, each of diameter 0.30mm, carry the same current but in opposite directions. They are suspended by 0.50m long strings...If the suspension strings make an angle of 3.0 degree with the vertical, what is the current in the
asked by John 
math
A side of an equalateral triangle is 2/8 cm long. Draw a picture that shows the triangle. What is the perimeter of the triangle?
asked by leon 
Economics
We're looking at the market for cat food. When the price is $10, the quantity sold is 1000 bags. When the price drops 10%, the quantity sold increases 30%. Calculate the price elasticity of demand. (Answer in format X.XX, round to the nearest hundredth.) I
asked by Lindsay 
physics
A portable electric heater uses 23.8 A of current. The manufacturer recommends that an extension cord attached to the heater receive no more than 2.60 W of power per meter of length. What is the smallest radius of copper (resistivity 1.72 x 108 Ω·m)
asked by Anonymous 
chem
A weak acid HA is 1.0% dissociated in a 1.0 M solution. What would its percent dissociation be in a 5.0 M solution?
asked by ston 
Physics
A point charge Q1=2µC is located at x=0, and a point charge Q2=8µC is placed at on the x axis of a cartesian coordinate system.The goal of this problem is to determine the electric field,E(x)=E(x)x^ , at various points along the axis. (a)What is E(x)
asked by Anonymous 
PLEASE COULD SOMEONE HELP ME OUT
Two long straight aluminum wires, each of diameter 0.30mm, carry the same current but in opposite directions. They are suspended by 0.50m long strings...If the suspension strings make an angle of 3.0 degree with the vertical, what is the current in the
asked by John 
Chemistry
What is the freezing point of a soluton is which 10.0 g of naphthalene [C10H8(s)] is dissolved in 50.0 g of benzene [C6H6(l)]? Extra info you might need: benzene= 5.12 degrees C m^1 Answer should be: 2.46
asked by Jacqueline 
Physics ~really need help!~
1) A 1 kg mass moving at 1 m/s has a totally inelastic collision with a 0.7 kg mass. What is the speed of the resulting combined mass after the collision? 2) A cart of mass 1 kg moving at a speed of 0.5 m/s collides elastically with a cart of mass kg at
asked by Isis 
math
Order these numbers from smallest to largest. 8.00 8.30 0.800 0.83 I think the order is 0.800 0.83 8.00 and then 8.30
asked by Anonymous 
Physics
Find the maximum height reached by a ball thrown upward at a velocity of 95 ft/s
asked by Angel 
Chemistry
You prepare a solution from 10.0 mL of 0.100 M MOPS buffer (3morpholinopropane1sulfonic acid) and 10.0 mL of 0.083 M NaOH. Next, you add 1.00 mL of 5.77 × 105 M lidocaine to this mixture Denoting lidocaine as L, calculate the fraction of lidocaine
asked by Bertha 
math
After dinner, Amanda, Trey and John received the check for their meal. Trey is paying 1/4 of the check and leaving no tip. Amanda is paying the remainder of the check. John is leaving 20% of the check as a tip. Using C as the amount of the check, match
asked by kelly 
phy
A bicycle and its rider together has a mass of 62 kg. What power output of the rider is required to maintain a constant speed of 4.6 m/s (about 10.3 mph) up a 5.0% grade (a road that rises 5.0 m for every 100 m along the pavement)? Assume that frictional
asked by kyoya 
physics
A proton (mass m = 1.67 1027 kg) is being accelerated along a straight line at 2.1 1015 m/s2 in a machine. The proton has an initial speed of 2.4 107 m/s and travels 4.2 cm. (a) What is its speed? 1 . m/s (b) What is the increase in its kinetic energy? 2
asked by jane 
Mathgeometry
A regular polygon with all sides that are congruent and all angles that are congruent. Thus, the regular triangles are equilateral triangles, and the regular quadrilaterals are squares. All equilateral triangles are similar to one another and all squares
asked by Urgent!! 
Chemistry
Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 °C, the vapor pressure of pure benzene is 100.84 torr. What is the vapor pressure of a solution made from dissolving 17.3 g of biphenyl in 34.0 g of benzene?
asked by Max 
Math
A golfer hits ate shot 325 m long straight golf hole. The ball is hooked 18 degrees to the left. The ball lands 185m from the tee. Hoe far is the ball from the hole?
asked by Anonymous 
Math
Given the points A(0,0),B(3,1),and C(1,4), what is the measure of angle ABC?
asked by Anonymous 
Chemistry
What is the freezing point of a soluton is which 10.0 g of naphthalene [C10H8(s)] is dissolved in 50.0 g of benzene [C6H6(l)]? Extra info you might need: benzene= 5.12 degrees C m^1 Answer should be: 2.46
asked by Jacqueline 
Calculus
A donut is generated by rotating the circle, S, defined by (x3)^2 +y^2 =4 about the y axis. If the anagement of dunkin donuts wants to know how to price these donuts use intergral calculus to help them (i) set up a definite intergral to determine the
asked by Anonymous 
Math
A kite string makes a 43 degree with the ground. The string is staked to a point 104 meters from a point on the ground directly below the kite. Find to the nearest meter the length of the kite string.
asked by Kiki 
Chemistry
What mass of sucrose, C12H22O11, should be added to 75.0 g H2O to raise the boiling point to 100.35 degrees C? Molal boiling point of water: 0.512 Kb, degrees C m^1 Answer: 18 g sucrose
asked by JJ 
math
Solve for x. 2x =368  4
asked by Anonymous 
math
Ted made a scale model of a submarine for his science class. a. What is the volume of Ted’s model? b. If 1 inch in the model represents 20 feet in the actual submarine, what is the volume of the actual submarine? front round is 3 inch radius/length 3
asked by Lia 
Physics
The work done by an external force on an electron as it moves from point A to point B is 6.3 × 1014 J. If it was started from rest and had 3 × 1014 J of kinetic energy when it reached B, what is the potential difference VBVA?
asked by Lindsey 
science
A car with a mass of 700 kg moves at 18 m/s. What braking force is needed to bring the car to a halt in 10 s?
asked by George 
finance
You have chosen biology as your college major because you would like to be a medical doctor. However, you find that the probability of being accepted to medical school is about 6 percent. If you are accepted to medical school, then your starting salary
asked by elh009 
Physics
The membrane that surrounds a certain type of living cell has a surface area of 4.50 109 m2 and a thickness of 1.08 108 m. Assume that the membrane behaves like a parallel plate capacitor and has a dielectric constant of 5.40. If the charge in part (a)
asked by Julie 
Physics please help
Two long straight aluminum wires, each of diameter 0.30mm, carry the same current but in opposite directions. They are suspended by 0.50m long strings...If the suspension strings make an angle of 3.0 degree with the vertical, what is the current in the
asked by John 
Biology
Which of the following mutations would you expect to have the greatest effect on a living cell? A. A mutation that changes a single base in a region of noncoding DNA B. Energy release from plutonium C. Consumptions of preexisting organic compounds Im
asked by Matt 
Physics
A proton (mass m = 1.67 1027 kg) is being accelerated along a straight line at 3.1 1015 m/s2 in a machine. The proton has an initial speed of 2.4 107 m/s and travels 3.6 cm. (a) What is its speed? m/s (b) What is the increase in its kinetic energy? J
asked by Rachel 
math
a basketball player scored 17 timea during one game. He scored a total of 28 pts,two for each twopt shot and one for each free throw. How many twopt shots did he make? How many free throws? How many twopt shots did he make? simplify
asked by Beverly thomas 
English
A formal letter to a national television network.
asked by Refiloe 
physics
After falling from rest from a height of 30 m, a 0.48kg ball rebounds upward, reaching a height of 20 m. If the contact between ball and ground lasted 1.8 ms, what average force was exerted on the ball?
asked by adam 
chemistry
What is the limiting reagent for 6HCl + Fe2O3 = 2FeCl3 + 3H2O ? 6HCl has 18.44 moles and Fe2O3 has 2.91 moles. Also how many moles would FeCl3 produce?
asked by Amber 
Math
48000 people voted in the last election in the town of Southboro. If only 55% of the registered voters voted in the last election, how many people are registered to vote? I got 87,273 Nik put $264 in a savings account that pays 3% annual interest. How much
asked by Mary 
Algebra
Use a calculator to evaluate the expression. Write the result in scientific notation and in decimal form. Did I do think correctly? 6000000 * 324,000 =1.944*10^12 =1944000000000
asked by Emma 
Statistics
The distribution of ages in the United States in the year 2010 is given below. Intervals include the left endpoint but not the right; the number of people aged 100 or more was not zero but it was so small that it makes no difference to the table. You can
asked by A 
Stasistics
Problem 2 Here is another distribution you have seen before; it is the distribution of scores discussed in Lecture 2.1. 48 59 63337 70002355 801234788 9015556 100 : 6.0 points Each part is worth 2 points. a) Use the stem and leaf plot to find the
asked by A 
statistics
the breaking distance of a Honda CRV can be approximated by a normal distribution, where the mean is 53 meters and the standard deviation is 3.8 meters. Let x be a random variable that represents a braking distance. Find the probability that a randomly
asked by katie 
Physics
A 3.0m wooden platform is suspended from the roof of a house by ropes attached to its end. A painter whose mass 80kg stands 1.2m from the lefthand end of the platform, whose own mass is 18kg. Find the tension in each rope.
asked by Anonymous 
MATH
A RECTANGLE HAS A WIDTH OF X CENTIMETERS AND A PERIMETER OF 8X CENTIMETERS. A SQUARE HAS SIDES OF LENGTH 1/4 THAT OF THE RECTANGLE A) FIND THE LENGTH OF THE RECTANGLE B) FIND THE PERIMETER OF THE SQUARE C) FIND HOW MANY CCENTIMETERS GREATER THE RECTANGLE
asked by edvcWFV 
statistics
The average height for Chinese women is 62.5 inches with a standard deviation of 4.6 inches. What is the probability that a randomly selected woman in the United States would be ≥69 inches tall?
asked by Sharon 
math
Consider the supply equation where x is the quantity supplied in units of a thousand and p is the unit price in dollars. p=x^3+x+10 Determine the price at which the supplier will make 2,500 units of the commodity available in the market. (Give your answer
asked by Ashton 
math
Anita has two sisters and three brothers. The mean of all their ages is 6 years. Wht is the mean of their agesin 10 years and 20 years?
asked by tori 
Math
In his pocket, a boy has 3 red marbles, 4 blue marbles, and 4 green marbles. How many will he have to take out of his pocket to ensure that he has taken out at least on of each color?
asked by Toph 
SCIENCE
THE VALUE OF KC=6.2 AT 750K FOR THE REACTION CO+H20 CO2.IF INITIALLY THE QUANTITIES OF CO AND H2O ARE 2 MOLES IN 1L.WHAT COULD BE THE EQUILIBRIUM CONCENTRATIONS FOR ALL CHEMICALS?
asked by NISHANT 
chemistry
Calculate the wavelength of a proton with energy 2.45 eV.
asked by adex 
Math
I have the answer to the first part of the question, which is What is the volume of Ted's Submarine model. The answer is 490.08=volume. The second part of the question is if 1 inch in the model represents 20 feet in the actual submarine, what is the volume
asked by Lia 
Math
Factor the polynomial 4x^2 81
asked by Erin 
Chemistry
A 205 mg sample of a diprotic acid is dissolved in enough water to make 250.0 ml of solution. The pH of this solution is 2.15. A saturated solution of calcium hydroxide (Ksp= 1.3 x 106) is prepared by adding excess calcium hydroxide to water and then
asked by Summer 
Math (Simplifying Expressions)
How would I solve this? 48÷4x52x5
asked by Terry 
physics
A 62kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 843 N. What is the acceleration of the elevator? .
asked by Anonymous 
7th gmath
An icecream shop offers a small size cone and a large size cone. The height of the large cone is 2 times the height of the small cone. The radius of the large cone is 2 times the radius of the small cone. Which statement is true about the volumes of the
asked by Cassidy 
math
Jenny is paid a monthly salary of $1600. She saves 1/5 of her salary each month A) Calculate her saving each month. B) How much will she save in a year?
asked by Anonymous 
science
A 75N sack is dragged along the floor with a horizontal force of 100N. The frictional force is 30N. What is the direction of net force
asked by tonya 
Physics
A car travels 150 km for two hours east of a starting point, turns around and travels due west 300 km for three hours. What is the car's net velocity for the trip?
asked by Gabby 
physics
When two billiard balls of equal mass collide obliquely, the balls will always separate at what angle?
asked by john 
maths
find the number of bricks, each measuring 25 cm x 16 cm x 10 cm required to construct a wall 24 m long, 6 m high and 0.4 m thick. the mortar occupies (1/10)th of the volume of the wall
asked by leena 
physics
In terms of impulse and momentum, why are airbags in automobiles a good idea? A.)Airbags actually do not help if a car is in an accident. B.)They increase the amount of force involved in a collision. C.)They decrease the amount of time for a collision to
asked by George 
Algebra
Maybe that was to confusing...we have a data sheet to fill out  2 questions with simple interest and 2 with compound interest. I just need the simple interest help: Prob. #1 Find the total amount if you deposit $500. at a rate of 5% for two years using
asked by Cassie 
English  The Lovely Bones
I asked this question yesterday but no one has answered thus far so I thought I'd try asking again: If anyone has read The Lovely Bones novel could you please explain 2 things to me. 1) Is Ruth Connors able to see the dead? When she moves to NYC she writes
asked by Lena 
C.E.A Response (Quick english please edit)
Will you please read over this claim. evidence. analysis response and tell me if there are any errors or things that should be changed? thanks! C. E. A. Response Q: Why did the Nazis give off a nice persona when they first engaged with the Jews? The Nazis
asked by Bryce 
math
Carpet sells for $2 per square foot. It will cost you $360 to recarpet your room. If your room is 20 feet long, how many feet wide is it?
asked by kelly 
chemistry
which element is the most reactive in group 3? group 4?
asked by kazz 
Understanding Perimeter
A park has the shape of a trapezoid. Two of the sides are 25 meters long. The other two sides are 40 meters and 20 meters long. What is the perimeter of the park?
asked by Sharon 
phy
A brick of mass 0.6 kg slides down an icy roof inclined at 30.0° with respect to the horizontal. (a) If the brick starts from rest, how fast is it moving when it reaches the edge of the roof 1.75 m away? Ignore friction. m/s (b) Redo part (a) if the
asked by kyoya 
chemistry
Calculate the wavelength, λ, in meters of a photon capable of exciting an electron in from the ground state to n = 4.
asked by adex 
physics
A softball player swings her bat through her full range of motion of 392 degrees in 0.3 secs. What is the angular velocity of the bat? What is the average acceleration of the bat?
asked by Mark 
Physics ~please help me!~
1.)A 0.5 kg hockey puck moving at 35 m/!@#$%^&s a straw bale, stopping in 1 s. a) What impulse is delivered to the ball? b) What force is exerted on the puck? 2.) A racing car with a mass of 1400 kg hits a slick spot and crashes headon into a concrete
asked by Isis 
Math
If 16 ounce cost $1.19 what is the price cost of 1 ounce
asked by Anonymous 
Math
Evaluate the expression, reducing to simplest form log(log1000^10000)= BLANK +logBLANK Your answers must be integers.
asked by Rachel 
math
he dimensions of Liz's desk are 3.2 feet wide and 4.6 feet long. Match the description on the left with the appropriate calculation. Length Width Perimeter Area No match CHOICES: A) 15.6 feet B) 4.6 feet C.) 14.72 sq. feet D). 15.6 sq. feet E). 3.2 feet
asked by kelly 
Maths A
For this question, use the copy of the Random Number table provided at the end of this AAT. (This table was copied from page 111 in the Textbook.) Select 48 values according to the following criteria. o The first thirty (30) numbers must lie in the range
asked by Anna 
PHYSICS
Two objects (m1 = 4.90 kg and m2 = 2.75 kg) are connected by a light string passing over a light, frictionless pulley as in the figure below. The 4.90kg object is released from rest at a point h = 4.00 m above the table. (a) Determine the speed of each
asked by Lindse 
Physics
The wire in the drawing carries a current of 13 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 28 A. Use Ampere's law to find the magnitude of the magnetic field at a distance of r = 0.76 m
asked by Anonymous 
math
if a jacket cost 24$ each, and sells them at 175% increase in price, what is the price of the jacket?
asked by Anonymous 
business mathematics
find the total amount due on a loan of N80,000.00 at 18percent simple interest at the end of 4months. (2)question is find the total amount due on a loan of N600,000.00 at 12percent simple interest at the end of 3years. Pls i need answer
asked by dennis 
Math
Teresa had a family photo with the dimensions of 12 inches by 16 1/2 inches. What is the area of the photo in square inches? Please help!!! :(
asked by Samantha 
Statistics
Problem 1 The distribution of ages in the United States in the year 2010 is given below. Intervals include the left endpoint but not the right; the number of people aged 100 or more was not zero but it was so small that it makes no difference to the table.
asked by A 
Maths
For this question, use the copy of the Random Number table provided at the end of this AAT. (This table was copied from page 111 in the Textbook.) Select 48 values according to the following criteria. o The first thirty (30) numbers must lie in the range
asked by Anna 
physics
A pick up truck travelling at constant speed begins to accelerate at 1.5m/s squared for 6 seconds, by which times it has reached a speed of 20m/s. What was its original speed?
asked by Poppy Proasheck 
math
elbert wants to plant grass his yard is rectangle that's 6 meters by 7 he plans to use a cup of seed for every square meter in his yard how many cups of grass seed will he need
asked by edison 
Math
What the next number should be? 6 18 20 10 30 32 16
asked by Mj 
math
A gardener wants to use 62 feet of fencing to enclose a rectangular shaped garden. If its length is 4 feet longer than twice its width, find the width of the garden
asked by kelly 
math
In order for you to put down new sod in the front yard you will need 5400 pieces of sod. Each sod piece is cut into one foot squares. If your yard is 60ft wide , how long is the yard.?
asked by kelly 
physics
A cyclist has a final velocity of 30 m/s after coasting down hill for 2 seconds. If the cyclist underwent a constant acceleration of 7.5m/s2 during the descent, what was his initial velocity at the top of the hill?
asked by Mark 
chemistry
What is the limiting reagent for 6HCl + Fe2O3 = 2FeCl3 + 3H2O ? 6HCl has 18.44 moles and Fe2O3 has 2.91 moles. Also how many moles would FeCl3 produce?
asked by Amber 
Math
graph the data in each table Perimeters of Similar Rectangles x 1 2 3 4 5 P ? ? ? ? ? Graph P 40 30 20 20 0 1 2 3 4 5 6 7 8 9 X Area of Similar Rectangles X 1 2 3 4 5 A ? ? ? ? ? A 40 30 20 10 0 1 2 3 4 5 6 7 8 9 X 1st rectangle is one side x bottom 2x
asked by Stephanie 
math
Vicki is contemplating consolidating her federal student loans with Loan Consolidation Experts Inc. She currently pays five separate federal loans totaling $30,000 in principal at 4.5% simple interest for 20 years. Loan Consolidation Experts Inc. is
asked by kelly 
science
While rearranging a dorm room, a student does 287 J of work in moving a desk 2.5 m. What was the magnitude of the applied horizontal force?
asked by Kim 
chemistry
A photon with a wavelength (λ) of 3.091 x 10–7 m strikes an atom of hydrogen. Determine the velocity (in meters/second) of an electron ejected from the excited state, n = 3.
asked by adex 
physics
A small drop of water is suspended motionless in air by a uniform electric field that is directed upward and has a magnitude of 12300 N/C. The mass of the water drop is 4.71 × 109 kg. How many excess electrons or protons reside on the drop?
asked by natasha 
science
if solubility of ammonium chloride is 55 at 60 degree celsius,.What is the amount of ammonium chloride dissolved in 40 gram of saturated solution at that temperature ?
asked by sameera 
physics
The infamous German "Paris gun" was used to launch a projectile with a flight time of 170 s for a horizontal distance of 122 km. Based on this information, and ignoring air resistance , calculate (a) the gun's muzzle speed and (b) the angle, measured above
asked by Susan 
science
Describe the events that take place in the movement of fluid in the capillary beds. What forces are involved in the movement of fluid out of the capillaries and back in again? Where in the capillary does movement take place? What is the role of the
asked by paul 
math
Write as an improper fraction 2 4/5 is it 14/5
asked by Gio 
math
Myra's bulletin board has a width of 60 inches. When she originally decorated it she needed 192 inches of border material. How many inches high is the bulletin board?
asked by kelly 
chem
Solid calcium hydroxide, Ca(OH)2, is dissolved in water until the pH of the solution is 10.23. What is the concentration of calcium ion [Ca 2+ ]?
asked by ston 
English
Commas: Do I need a comma between the words notes and so?  "Sitting at the sticky, crumbcovered cafeteria table, Luther and Ruth carefully studied their chemistry notes so that Dr. Wilson's next tricky test wouldn't confuse them." Do I need a comma
asked by Sylvie 
us history
As a result of the War of 1812, the United States
asked by Briana 
Chemistry
At the temperature of 30degree C and pressure of 1*10^5 pa, 30dm3 of H2 gas is burned with 30dm3 of O2 gas in a container of 60dm3. Calculate the pressure different after the complete combustion and cooling upto 30degree C again.
asked by Emma 
language arts
The narrator plays in dark and shadowy streets; his light is Mangan's sister. Examine the way he describes her, the feelings he has for her, and the language he uses to narrate his account of his devotion to her. What is the meaning of the inclusion of the
asked by anonymous 
chemistry
Which atom or ion would you expect to have the smallest radius? Ne F Na+ Ne
asked by adex 
Physics
One component of a magnetic field has a magnitude of 0.0445 T and points along the +x axis, while the other component has a magnitude of 0.0725 T and points along the y axis. A particle carrying a charge of +1.01 × 105 C is moving along the +z axis at a
asked by Anonymous 
geometry
ABCD is a parallelogram. E is a point on AB such that 234×AE=EB. Let DE intersect AC at F. What is the ratio AC:AF?
asked by can u do it???? 
Algebra
Find the total amount if you deposit $500 at a rate of 5% for two years using simple interest. For year one For year two I started with $500. for year one and $525. for year two and added the interest and ended up with 551.25  and I was wrong...can
asked by Cassie 
physics(electricity)
A 9V battery has an electric potential difference of 9V between the positive and negative terminals. How much kinetic energy in J would an electron gain if it moved from the negative terminal to the positive one?
asked by Anonymous 007 
physics
What is the difference between vector and a scalar quantity?
asked by Poppy Proasheck 
World History
History and Geography Activity 12 what page is this on?
asked by Amanda 
biology
Why are the subclavian vein and subclavian artery positioned where they are relative to each other?
asked by question 
ENGLISH
Which of the following is CORRECT? a. He pulled out a gun and shot the prowler. b. He pulled out a gun, and shot the prowler. c. He pulled out a gun; and shot the prowler. d. He pulled out a gun: and shot the prowler.
asked by Anonymous 
calc 2
A computer takes 2 seconds to compute a particular definite integral accurate to 4 decimal places. Approximately how long does it take the computer to get 12 decimal places of accuracy using each of the LEFT, MID, and SIMP rules? Round your answers to one
asked by sara 
Math
Measurements: Length = 5 cm Width = 18 cm Height = 26 cm ____________________________________________ Calculate the surface area of the prism. Formula: Calculate the volume of the prism Formula: Calculate the volume of the prism as if it were a pyramid.
asked by Jman 
Math
48000 people voted in the last election in the town of Southboro. If only 55% of the registered voters voted in the last election, how many people are registered to vote? I got 87,273 Nik put $264 in a savings account that pays 3% annual interest. How much
asked by Mary 
Chemistry
Nitrocellulose lacquer is used as a protective coating on wood. What mass of nitrocellulose is contained in one gallon (3.8L) of lacquer that is 5.1% nitrocellulose by mass? The density of the lacquer is 0.79 g/mL.
asked by Jacqueline 
Finance
In February 2011 the riskfree rate was 4.50 percent, the market risk premium was 7.00 percent, and the beta for Dell stock was 1.50. What is the expected return that was consistent with the systematic risk associated with the returns on Dell stock
asked by elh009 
Statistics
Problem 5 In a histogram of lengths measured in millimeters, the height of the 2040 bar is 1 percent per millimeter. If I measure all the lengths in centimeters instead, then the corresponding bar would be labeled 24. : 5.0 points The height of this bar
asked by A 
Math
Denna bought a bag of jelly beans. 1/3 are pink and 1/6 are blue. The rest are green. How many are green?
asked by Michelle 
math
Vicki is contemplating consolidating her federal student loans with Loan Consolidation Experts Inc. She currently pays five separate federal loans totaling $30,000 in principal at 4.5% simple interest for 20 years. Loan Consolidation Experts Inc. is
asked by kelly 
grade 9 english
My question is about the story a midsummer nights dream, in act one 1. Why does helena wish her 'tongue should catch(hermia's) tongue's sweet melody'(189)
asked by rose 
Phi
"You didn't like that book; so you probably don't like to read" is a weak inductive argument. a strong deductive argument. not an argument. a valid inductive argument.
asked by Mog 
Statistics
Is it appropriate to call the numbered lock combination in our doors and drawers a "combination?" Explain.
asked by Therese 
chemistry
What is the osmotic pressure, expressed in the unit mmH2O, of a solution containing 125 ug of vitamin B12 (C63H88CoN14O14P) in 2.50 mL H2O at 25 degrees C? Answer: 9.33 mmH2O
asked by JJ 
Physics
An automobile with 0.80m diameter wheel starts from rest and accelerates uniformly to 22 m/s in 0.7 s. Through how many revolutions does the front wheel turn during this period?
asked by Cindy 
Staistcs
Problem 4 Refer again to the distribution table in Problem 3. : 3.0 points Each part is worth 1 point. a) In the United States, high school diplomas are awarded after 12 years of schooling. Which interval contains the adults who had completed 12 years of
asked by A 
Lang. Arts
“[H]er coffeeandcream neck” is an example of what type of figurative language? A. personification B. symbol C. simile D.metaphor I think it is D...?
asked by Cassie 
Titleing
For a project for Black History Month we have to put a creative or catchy title. For example: Jackie Robinson: A Hero Serena Williams: #1 tennis player Micheal Jackson: King of Pop What should I put for William Edward Du Bois?
asked by Celest 
Financial Managment
You are the president and chief executive officer of a family owned manufacturing firm with assets of $ 45 million. The company articles of incorporation and state laws place no restrictions on the sale of stock to outsiders. An unexpected opportunity to
asked by Tammi 
Math
Write the expression 2/3sqrt(80)in its simplest radical form A/Bsqrt(C), where A,B, and C are all integers. Answer: A=_______, B=_______,and C=_____
asked by Chandrakant 
Chemistry
A solution containing 0.100 mol of Na2CO3 and 0.100 mol of NiCl2 is allowed to react. What mass of precipitate forms in this reaction? I just don't understand how to get the answer. Can someone please show me and explain to me how to do this.
asked by Eagertolearn 
physics
A shot‐putter releases the 16 lbs. shot at an angle of 41 degrees. If the shot travels a horizontal distance f 34 m to reach its peak at midflight, how high did the shot go and what is the displacement of the resulting vector at midflight?
asked by Mark 
geometry(triangle)
Triangle ABC is a right triangle with ∠ABC=90∘. P is a point within triangle ABC such that ∠APB=∠BPC=∠CPA=120∘. If PA=15 and PB=6, what is the value of PC?
asked by can u do it???? 
bio
Why do you suppose the subclavian vein and subclavian artery are positioned where they are related to one another?
asked by Hello 
Life orienation
What can thembi do to deal with the unthical behaviour
asked by Nyakallo 
Algebra 2
After one month at a new job you decide to save $50. Each month you plan to increase your savings by five dollars. a.)Write an explicit formula to model the amount you will save each month. b.)How much will you save in the seventh month?
asked by Kristal 
Algebra 2
Because of friction and air resistance, each swing of a pendulum is a little shorter than the previous one. The lengths of the swings form a geometric sequence. Suppose the first swing of the pendulum has an arc length of 100 cm and a return swing of 99
asked by Mia 
physics
Sam tosses a ball horizontally off a footbridge at 4.8 m/s. How much time passes after he releases it until its speed doubles?
asked by Anonymous 
Math
You have 34 math and science problems for homework. You have 10 more math problems then science, how many of each do you have?
asked by Erin 
chemistry
What are the two properties of carbon which lead to the huge number of carbon compounds we see around us ?
asked by Vipin 
health
When a person has episodes of hypomania that shift back and forth with mild depression for at least two years, he or she has what form of bipolar disorder? A. BPNOS B. Cyclothymic Disorder C. Bipolar I Disorder D. Bipolar II Disorde A?
asked by heidi 
Statistics
Problem 4 Refer to the box plots in Problem 3. : 4.0 points Compare experiments 4 and 5. When drawn on the same scale, the histogram for one of them has a noticeably higher peak the histogram for the other. From the box plots alone, can you tell which one
asked by A 
America Gov't
According to Thomas Hobbes, in the "state of nature" every person had complete _____.
asked by Jonlyn 
Math
The expression (16xy^2/24x^3y)^3 may be simplified into the form A/B where none of the factors of A and B are raised to a negative power. Answer: A = _______ and B = ________
asked by Chandrakant 
math
what is 45 times 2
asked by Anonymous 
ART: 2 QUESTIONS: PLEASE HELP!
1. These two technological advancements of the Industrial Revolution helped lead to the development of Impressionism. A. the railroads and the printing press B. the railroads and photography C. photography and electric lighting D. the automobile and
asked by KittyKitKatKoo 
Algebra
Find the quotient and remainder when: (x+1)+(x1) divided by [1(x+1)(x1)]
asked by Jeconiah 
Maths A
Select 48 values according to the following criteria. o The first thirty (30) numbers must lie in the range from 48 to 58 inclusive. o The next ten (10) numbers must lie in the range from 30 to 70 inclusive. o The remaining eight (8) numbers must lie in
asked by Anna 
Grammar
What is the simple subjects in the sentence Maria is my cousin
asked by Simple subjects 
math
kevin had fifteen marbles, he lost 1/5 of them how many marbles did he loose?
asked by jabari 
Life orientation
What unethical behaviour is taking place in case study name two
asked by Nyakallo 
health
What is atmospheric pressure? A. Pressure of the air inside the body B. Pressure of the air outside the body C. Pressure of the air within one’s mouth D. Pressure of the air within one’s lungs i think its D
asked by hannah 
us history
What amendment addressses the power balance between the national government and states? a)First b)Second c)Fourth d)Sixth e)Tenth
asked by Need Help 
Social Studies
The Bush and Adams families are not the only families from which related U.S. presidents have come. Which family boasts grandfathergrandson presidents? 1. Harrison 2. Lincoln 3. Madison 4. Roosevelt
asked by Desperate 
math
sol: measuere angle A plus measure angle B plus measure angle c plus measure angle d equals 360. 60+x+3x+2x equal
asked by kris tahil 
Algebra
Need help with two questions. I've been stuck on them for a while now. 1) Find a general form of an equation of the line through the point A that satisfies the given condition. A(−2, 5) slope 3/4 2)Find a general form of an equation of the line through
asked by Jim 
Stasistics
Here is the distribution of educational level of adults aged 25 and over in the United States in the year 2012. Intervals include the left endpoint but not the right. You can define "17+" to mean "17 to 22." The percent with 22 or more years of education
asked by A 
math
Isaiah and Chakshu went to dinner at Chili's restaurant and received a bill for $35. Isaiah paid the bill along with an additional 20% tip on his charge card. What was the total amount that he put on his charge card?
asked by kelly 
math
Sonja needs to borrow $2,251 to pay for her college classes. Sallie Mae is offering her a 4.5% simple interest loan with an interest charge of $405.18 over the life of the loan. How many years is Sallie Mae giving her to pay back the loan with interest?
asked by kelly 
MATHS A
A tyre manufacturer has chosen 48 tyres at random from a production line and issued them to taxis for testing. Assume that the 48 numbers you have selected refer to the number of thousands of kilometres travelled during the life of each tyre. (For example,
asked by Anna 
Math
Is it appropriate to call the numbered lock combination in our doors and drawers a "combination?" Explain.
asked by Therese 
Lang. Arts
Which of the following sentences uses commas with appositives correctly? A.Mr. Van Daan’s son, Peter, spent a lot of time with Anne. B.Margot, Anne’s sister is the oldest. C.Miep the one who helped them, stopped coming. D.Mrs. Van Daan the selfish
asked by Cassie 
english
Where will I put the quotation in the sentence: I said that I might have left my book in Math class.
asked by jojo 
Algebra
A large cube is formed by using many small 1"x1"x1" cubes. Once the large cube is formed, all the outside faces are painted. There are now exactly 27 small cubes that do NOT have any paint on any face. How many 1"x1"x1" cubes were used to form the large
asked by Kevin 
math
In Chicago, the tax on a property assessed at $550,000 is $7,700. If tax rates are proportional in this city, how much would the tax be on a property assessed at $920,000? write a proportion to solve the question.
asked by kelly 
algebra!
Find the number of pairs of coprime integers (n,m) such that 1≤n≤m≤20.
asked by try it !!!!! 
Applied Calculus
Find the xvalue of the relative minima of the function: 2x^(2)+((256)/(x))+8
asked by Jacob 
college algebra
Transformation of ty then transformations of the graphs y=x^2or y=x to sketch a graph of f by hand. f(x)=2x64
asked by Anonymous 
Math
Use the discriminate to determine the number of real solutions of the equations. 7^22x+1
asked by Jenna 
algebra
How many pairs of integers (not necessarily positive) are there such that both a2+6b2 and b2+6a2 are both squares?
asked by please help please 
Statistics
Out of 4 architects, 6 engineers and 9n electricians, how many ways can a group of 6 people be formed to attend a forum if there are at least 3 electricians?
asked by Therese 
Math
Ricardo is making a photo collage from small photos of himself and his friends. He printed each photo as a 1inch by 1inch square. He wants the perimeter to be 16 inches and have the greatest possible area. What should the dimensions of the collage be.
asked by Jullia 
Chemistry
A crystalline white solid is a mixture of glucose (C6H12O6) and sucrose (C12H22O11). Is it possible that a 10.00 g sample of the solid dissolved in 100.0 g H2O might have a freezing point of 1.25 degrees C? Explain. Answer: No. The freezing point would be
asked by JJ 
Algebra
57 + X  13 = 202  13
asked by edc 
math
According to a USA Today Gallup poll, there is a racial divide on views of the Trayvon Martin/George Zimmerman case in Sanford, FL. The poll showed that 73% of blacks polled believe George Zimmerman would have been arrested if Trayvon Martin was white,
asked by kelly 
Chemistry
at a pressure of 390.0 kPa, a sample of ideal gas containing 110. moles of propane is collected at a tempature of 55 degrees celcius. find the volume of the propane tank used
asked by Elizabeth 
psychology
Describe a hypothesis related to the area of psychology in which you are predicting an interaction. Describe the specific nature of the interaction (how different levels of each independent variable work together to produce different outcomes) and why you
asked by Toby 
math
A speed boat is travelling from Florida to Cuba (distance of approximately 380 km), it is directly affected by the water current. Thus, the actual speed of the boat with respect to the ground is the speed of the boat (125 km/h) plus the water current
asked by mehwish 
Alg. II PLEASE HELP!!!!
5z^8/3+4z^5/312z^2/3=0
asked by Shelia 
physics
Three resistors, 1.17, 2.84, and 3.65Ω, are connected in series across a 20.3V battery. Find the power delivered to each resistor.
asked by Anonymous 
physics
Three resistors, 1.17, 2.84, and 3.65Ω, are connected in series across a 20.3V battery. Find the power delivered to each resistor.
asked by Anonymous 
port charlotte high
2Nacl +2HCL = 2NaCl + H2 what mass of sodium is required to react with 8.45g of HCl
asked by john 
algebra
How many pairs of integers (not necessarily positive) are there such that both a2+6b2 and b2+6a2 are both squares?
asked by i could not do it can u?? 
algebra
Find an integer value of x such that when 3x−39 is divided by 2x, the quotient is 1 and the remainder is 50.
asked by i could not do it can u?? 
physics
A freestyle skier hits the take off ramp with an initial velocity of 17.5 m/s with a purely vertical take off (90 degrees). What is the peak height that the skier will reach?
asked by Mark 
physics
at a hight of 3900m,an airfore bomber maintains a constant velocity 1200km/hr toward a point directly above its target.calculate the angle of sight at which the plane should release a bomb to strick the target. take g10m/s square.
asked by ibraheemamusa 
Maths A
A tyre manufacturer has chosen 48 tyres at random from a production line and issued them to taxis for testing. Assume that the 48 numbers you have selected refer to the number of thousands of kilometres travelled during the life of each tyre. (For example,
asked by Anna 
College Algebra help please
I don't understand this. The question is use the remainder theorem to evaluate P(x) as given. 1. P(x)=3x^3+11x^2+2x16 and it gives me P(1/3)
asked by Kristen 
geometry
there are 4 cirlces in an equilateral triangle with sides equal to 16cm. what is the radius of the big circle and the little circles
asked by jk 
Algebra 2
4.)A diamond is purchased for $3500. Its value increases 5% each year. Find the value of the diamond after six years.
asked by Courtney 
precalculus
tangents are drawn from the point (4,0) to the circle x^2 +y^2 =1. find the slopes of the tangent.
asked by yuia 
Algebra
solve the following quadratic 100x^4=400x^3+2100x^2
asked by Jodie 
college general chemistry
calculate the lowest whole number ratio of Moles of Mg/moles of O average of Moles of Mg/Moles of O Trial 1 mass of empty crucible and lid= 36.560 mass of Mg=0.348 mass of crucible, lid, and product=38.229 Trail 2 mass of empty crucible and lid=32.221 mass
asked by Amber 
algebra
Find the number of pairs of coprime integers (n,m) such that 1≤n≤m≤20.
asked by please help please 
rectangle
A rectangle has perimeter equal to 28, what is the maximum possible area of this rectangle.
asked by i could not do it can u?? 
math
A bag has 6 green marbles and 4 orange marbles.Find the least number of marbles of either color you would add to make the probability of picking an orange marble
asked by Nicole 
Statistics
Problem 7 Refer again to the table in Problem 6. : 3.0 points Fill in the value of the missing entry.
asked by A 
Chemistry
at a pressure of 390.0 kPa, a sample of ideal gas containing 110. moles of propane is collected at a tempature of 55 degrees celcius. find the volume of the propane tank used
asked by Elizabeth 
maths a
The Bough and Bud Company combined an insect spray with a growth hormone to produce the MOP (More Oranges Production) Treatment, which was expected to increase the number of oranges produced by each tree. The data below shows the number of oranges produced
asked by Anna 
math
To be eligible for a car loan, Melissa's monthly rent and utilities cannot exceed 30% of her takehome pay. Use the information below to determine whether Melissa is eligible for the loan. Gross paycheck$3950 Net paycheck (after taxes)$3260 Rent$925
asked by kelly 
chemistry
What groups would be ionized in a solution of pH 12
asked by nena 
mathsCircles
O is the centre of a circle which has two chords BA and BC with point B on the circumference of the circle.If OB bisects angle ABC,prove that AB=AC
asked by Anonymous 
Math
Rewrite the following using a single exponent. a^7b^7 = (____)
asked by Chandrakant 
Physics
A chargeQ is located at x=l/2 and a charge +Q is located at x=l/2 . Thus the separation between the two charges is l . The total electric field on the x axis can be written as E(x)=E(x)d^ (a) What is the direction d^ of the total electric field at any
asked by P 
physics
For a safe reentry into the Earth's atmosphere the pilots of a space capsule must reduce their speed from 2.6 104 m/s to 1.0 104 m/s. The rocket engine produces a backward force on the capsule of 1.7 105 N. The mass of the capsule is 3800 kg. For how long
asked by kyoya 
Physics
There is a very large horizontal conducting plate in the xy plane (consider it infinitely large). Its thickness is h . The charge densities on the upper and the lower surfaces are both equal to +σ. The goal of this problem is to find the electric field
asked by P 
math probability
maria thinks she has a 7 out of 10 chance of getting an A in Science, and an 85% chance of getting an A in math. Assuming these are independent events, what is her proability of getting an A in both classes?
asked by Anonymous 
geometry
The hypotenuse is x+5 and the legs are 16, and 7 so how would you use the pythagorean theorem.
asked by sherianna 
chemistry
Determine the minimum electric potential difference (in volts) that must be applied to accelerate an αparticle so that on interaction with a hydrogen atom, a ground state electron will be excited to n = 6.
asked by adex 
chemistry
Calculate the wavelength of a photon with energy 2.45 eV.
asked by adex 
physics
A skater rotates 760 degrees clockwise, stops, and rotates counterclockwise for 340 degrees. What is her angular distance? Angular displacement?
asked by Mark 
physics
A softball bat is rotating at 460 rotations per minute at contact with the ball. What is the angular velocity in radians?
asked by Mark 
precalculus
121y^2196=0
asked by Shelia 
science
What is the term used to describe making older buildings more resistant to earthquakes?
asked by jo 
physics
A negative acceleration is sometimes called a deceleration. What is the acceleration of a water rocket launched at 25m/s if it reaches its maximum height at 2.5s? (Note its speed at maximum height is zero!)
asked by Kirsty Williams 
Chemistry
A solution containing 0.100 mol of Na2CO3 and 0.100 mol of NiCl2 is allowed to react. What mass of precipitate forms in this reaction? I think I know how to do it but don't understand. Do I figure out the mass of each of the compounds? HELP please!!!
asked by STAT 
math
factor the expression completely. 15x^2+100x+125
asked by 
Life orientation
What according to the basic conditions of employment act applies with regard to the contraventions that you've identified?
asked by Kcee 
algebra 1
you toss a coin 3 times. what is the probability that you get heads 0 times. is it 1/6 or 1/8
asked by Anonymous 
college general chemistry
calculate the lowest whole number ratio of Moles of Mg/moles of O mass of empty crucible and lid= 36.560 mass of Mg=0.348 mass of crucible, lid, and product=38.229
asked by Amber 
algebra
Find an integer value of x such that when 3x−39 is divided by 2x, the quotient is 1 and the remainder is 50.
asked by dark rider 
rectangle
A rectangle has perimeter equal to 28, what is the maximum possible area of this rectangle.
asked by dark rider 
art apreciation
Imagine that you are a defense attorney for this work of art. Support your argument with research.
asked by bola 
Math
Simplify t raised to the power 4. (t4) 3r5. s3/t5
asked by Tperry 
Math
Write as an improper fraction 2 4/5 Is it 14/5
asked by Gio 
Math
THe ratio of the number of students who own an ipod to those who do not own an ipod is 7 to 8. There are a total of 45 students. How many students in the class do not own an ipod?
asked by Cory 
Statistics
Here is a distribution you have seen before, in Exercise Set 2. It is the distribution of ages in the United States in the year 2010 is given below. Intervals include the left endpoint but not the right; the number of people aged 100 or more was not zero
asked by A 
Algebra
(W + 9) X 4 = 27 + 4 ?
asked by edc 
Stastics
Look again at the distribution of ages in Problem before. : 2.0 points Each part is worth 1 point. a) About what percent of the people were in their thirties? Round your answer to one decimal place. unanswered b) A common (though not universal) definition
asked by A 
Stastistics
Look again at the distribution of ages in Problem 1. : 2.0 points Each part is worth 1 point. a) About what percent of the people were in their thirties? Round your answer to one decimal place. unanswered b) A common (though not universal) definition of
asked by A 
math
The Bermuda Triangle, known for its disappearance of ships since 1950, has a base between Miami and Puerto Rico, which is about 1000 miles. Its height is between the Bahamas and Bermuda, which is also about 1000 miles. Find the area covered by the Bermuda
asked by kelly 
math
In March of 2012, GM reported a 12% increase in number of vehicles sold compared to March of 2011. If the total number of vehicles sold by GM in March of 2012 was 231,000, how many vehicles were sold in March of 2011?
asked by kelly 
Math
Use properties of exponents to rewrite the expression using positive powers: x^6y^6 = ________
asked by Chandrakant 
Math
Simplify the expression, reporting final answer using positive power: 4x^3 y^2 z^5/20x^5 y^8 z^6 = ______
asked by Chandrakant 
Physics
There are two conducting concentric hollow spheres of outer radii R2 and R1 ( R2>R1 ). The thickness of the material of both spheres is d . The inner sphere is negatively charged with charge density σ1, . The larger sphere is positively charged with
asked by P 
math
If Kimberly walks 5 miles in 40 minutes, then Kimberly will walk how far in 110 minutes?
asked by kelly 
edu
Which one of the following requires a child's coordination with speech and movement? A. Puppet play and storytelling B. Finger plays and flannel boards C. Flannel boards and storytelling D. Finger plays and puppet play I think (D.) Am i correct
asked by resi 
Algebra
Find the quotients and remainder when: 4a^2 + 9b^2 + 25c^2  12ab + 20ac  30bc divided by 2a  3b + 5c
asked by Jeconiah 
Math 6th grade
I am having trouble with Input output for this problem, I can't figure out the function rule input x= output y= 2 1 3 0 4 1 Please Help!
asked by Faith 
Simple economics question
what are three examples of an oigopoly; what are three examples of a monopolistic competition? thank you!
asked by NEED HELP NOW!! 
physics
In order for a ski jumper to attain maximum projectile distance she must reach a velocity of 30m/s. of the runway of the takeoff ramp is 70m long, how quickly ust she accelerate?
asked by Mark 
Algebra
solve 2x^25x1 divided by x3
asked by Jeconiah 
6th grade math
Unable to help my child with this problem... 71.33=9/5k459.67 solving for k
asked by Susan 
physics
Recently, Asteroid 2012 DA14 came within 34,200 km from the center of the earth at its point of closest approach. If the moon goes around the earth once every 27.5 days, what is the ratio of the distance of closest approach of DA14 to the radius of the
asked by Anonymous 007 
math
kevin had fifteen marbles, he lost 1/5 of them how many marbles did he loose?
asked by jabari 
Applied Calculus
If the line passing through the points (a, 1) and (−8, 7 is parallel to the line passing through the points (−11, 8) and (a + 2, 1), what is the value of a?
asked by Jacob 
literacy
Which of the following will probably contain the most objective data? a. An editoral in The Washingtin Post b. A lettet redutting an article in a medical journal c. A memoir about working in a coalmine d. A report with charts documenting hourly wage rates
asked by Kim 
Math
how to write 2y + 5x = 12 in function form
asked by Anonymous 
MATH
factor y^3+y^24x4 and t^2+4z^2
asked by Anonymous 
math
you toss a coin 3 times. what is the probability that you get heads 0 times. is it 1/6 or 1/8
asked by Anonymous 
algebra
a,b and c are real numbers such that ab=44, bc=112 and a+c=13. What is the value of b?
asked by please help 
math
A jar had 16 marbles 4 are red . One marble is drawn and not replaced. Then s second marble is drawn . What is the probability of selecting a red marble and then another red marble?
asked by mary jackson 
algebra
Find an integer value of x such that when 3x−39 is divided by 2x, the quotient is 1 and the remainder is 50.
asked by please help please 
math
How many 3/10 centimeters segments are in 6 and 4/5 centimeters
asked by Tara 
Chemistry
if a gas is initially at 1.5 atm of pressure, Occupies a volume of 3.0 L at a tmepeature of 293K, what will be the new volume if the pressure increases to 2.5 atm and is now at 303K?
asked by Dustin 
health
Skeletal muscles have an abundant supply of ________.
asked by Anonymous 
math
My new TV has a perimeter of 164 inches. Its width is 8 inches less than twice the height. How many inches wide is the TV?
asked by kelly 
Math
9\91/3
asked by Jordy 
math
The American flag has a width of 15 feet and a length of 5 feet less than twice the width. Determine the amount of square feet of fabric required to make an American flag?
asked by kelly 
Maths
What is d nth term and d last two terms of d sequence: (a) 0^1,2^2,24^3,252^4. (b) 1,1,2,4,7,13,24. (c) 0,1,2,3,6,11
asked by Very urgent please 
Geography
A case study on coastal management..... 300 words or more please ;[
asked by Anthony 
math
The United States Department of Agriculture reports that 15% Americans are now on food stamps. If there are about 300 million Americans, how many millions of people are on food stamps?
asked by kelly 
Algebra II
2y^11/3+8y^8/310y^5/3=0
asked by Jeannie 
math
mary color a picture with colored marker. she used red 2 times blue 3 times yellow 6 times orange 1 time and green 1 time. what fraction of the time did mary use yellow?
asked by Duke 
Algebra
In a Quadratic function if b=2 and 2a=2/3 do you eliminate the two and x equals negative three or... What would x end up being?
asked by Nate 
Math
My question is about calculating simple interest. How do you find the principal, rate, time,or interest when solving such problems?
asked by Mia 
Chemistry 132
What is the net ionic equations for Ca Cl2 + Na2 CO3=Ca CO3 + 2Na Cl
asked by Anonymous 
survey of mathematics
Search the internet to find a current article (published within january or february 2013 ) that provides statistical information relating to public policy and which you think is misleading. Explain why you feel the statistical information is misleading.
asked by gul 
physics
A soccer ball with a mass of 415 g bounces off the crossbar of a goal and is deflected upward at an angle of 57° with respect to horizontal. Immediately after the deflection, the kinetic energy of the ball is 47 J. What are the vertical and horizontal
asked by josh 
algebra 1
6!  5! i don't understand this why does it have ! in this question?
asked by Anonymous 
algebra
a,b and c are real numbers such that ab=44, bc=112 and a+c=13. What is the value of b?
asked by i could not do it can u?? 
please help edu
Mrs. Reese set up language centers in her room. Which one of the following should she not do in these centers a. Engage a large group of children in the flannel board story "The Lion and the Mouse" b. Write down Jimmy's story about his birthday c.Read the
asked by resi 
math
Square digits
asked by Anonymous 
math
Can you explain how I find the values so I can plot a graph of T=(25 ln24/ln) (25/ln2) ln M
asked by lindsay 
math
4x+3y=7
asked by Anonymous 
Staistics
Problem 3 John Tukey, the mathematician who came up with the idea of the stem and leaf plot, developed several other methods that were brilliant combinations of simplicity and effectiveness. One such is the box plot, also known as a box and whisker plot.
asked by A 
choosing your business
One of the disadvantages of a sole proprietorshipis?
asked by Anonymous 
math
Find the solution of the exponential equation 7+(5^5x)=25 correct to at least four decimal places.
asked by Rachel 
Math
Thanks for helping me alot Steve i really appreciate ur help. My test is in 2 hours and I think im prepared im really thankful of you:) Thanksss sir!!!:D
asked by Kristein 
maths
12 (8)
asked by rachel 
Math
Out of 4 architects, 6 engineers and 9n electricians, how many ways can a group of 6 people be formed to attend a forum if there are at least 3 electricians?
asked by Therese 
math
solve the equation z7=1
asked by Anonymous 
Math
Kim is researching the number of channels available from different cable and satellite companies what would be an appropriate graph to use : A. Line plot B. line graph C.bar graph D.frequency table E. pictograph PLEASE HELP!!!!
asked by Brianna 
college algebra
please help me solve this equation x1/3x1/2x5=0
asked by ray 
math
5^225/s^225=
asked by GIGI:) 
logic
how to disconfirm chickens cannot fly
asked by effie 
5th grade math
Is 3/9 ,= to 9/14?
asked by arali 
Calculus
show that e^x ¡Ö 1x near x=0
asked by Mike 
math
if n= 44, what is the value of 75n+ 6?
asked by mike 
math
Find the sum of 2 1/2 and 3 1/3 B) Subtract your answer in part (A) from 9
asked by Anonymous 
math
what is the area of 3/5's
asked by Bryony 
math
write the metric unit of length that is reasonable. a door is about 1 blank wide
asked by Tyler