Questions Asked on
January 17, 2011

Calculus
If a ball is thrown in the air with a velocity 44 ft/s, its height in feet t seconds later is given by y = 44t  16t2. (Round your answers to one decimal place.) (a) Find the average velocity for the time period beginning when t = 2 and lasting 0.5 second.
asked by Ethan 
chemistry
three student chemists measured 50.0 mL of 1.00 M NaOH in separate Styrofoam "coffee cup" calorimeters ( Part B). Brett added 50.0 mL of 1.10 M HCI to his solution of NaOH; Dale added 45.5 mL of 1.10 m HCL 9 eqaul moles) to his NaOH solution. Lyndsay added
asked by Daniel 
chemistry
On average, earth's crust contains about 8.1% aluminum by mass. If a standard 12ounce soft drink can contains approximately 15.0g of aluminum, how many cans could be made from one ton of the Earth's crust?
asked by Maria 
physics
A motorist drives along a straight road at a constant speed of 15.0 m/s. just as she passes a parked police officer,the officer starts to accelerate at 2.00 m/s^2 to overtake her. assuming the officer maintains this acceleration, a) determine the time it
asked by kevin 
mat h
ms. buxx invested a total of $2000 in two savings accounts. The first account pays 3% interest per year and the second account pays 5% interest per yera. If the interest from both accounts totals $84 per yera, how much is invested in each account?
asked by kevin 
chemistry
Titanium is used in airplane bodies because it is strong and light. It has a density of 4.55 g/cm^3. If a cylinder of titanium is 7.75 cm long and has a mass of 153.2 g, calculate the diameter of the cylinder. (V=pi*r^2*h, where V is the volume of the
asked by Maria 
chemistry
An explosive whose chemical formula is C3H6N6O6 produces water, carbon dioxide, and nitrogen gas when detonated in oxygen. write the chemical equation for the detonation reaction of this explosive.
asked by Maria 
chemistry
Use delta ( + or  ) to show direction of expected polarity? for each of the bonds indicated. do you use electronegative numbers? how? I know the answers (i have the book) i just want to know how im supposed to know it for a test. a) H3C  CL b) H3C  NH2
asked by jessica 
chemistry
The solubility of NaCl in water is 35.7 g NaCl/100 g H2O. Suppose that you have 500.0 g of NaCl. What is the minimum volume of water you would need to dissolve it all? The density of water is 1.0 g/mL.
asked by Maria 
physics
Consider the 45 N weight held by two cables shown below. The lefthand cable is horizon tal. a) What is the tension in the cable slanted at an angle of 50? Answer in units of N. 007 (part 2 of 2) 10.0 points b)What is the tension in the horizontal cable?
asked by cole 
Physics
Time intervals measured with a stopwatch typically have an uncertainty of about 0.2 s, due to human reaction time at the start and stop moments. What is the percent uncertainty of a handtimed measurement of (a) 5 s, (b) 50 s, (c) 5 min?
asked by Ashley 
physics
A 15kg model plane flies horizontally at a constant speed of 12.5 m/s and the kinetic energy is 1171J and the potential energy is 3000J what is the new horizontal velocity? Please show work and explain.
asked by Kim 
Geometry
If the boy is 4' 9" tall and his shadow is 6 ft. and the shadow of the flagpole is 19 ft., determine the height of the flagpole (to the nearest tenth).
asked by Ivan 
Physics
Two charged particles exert an electrostatic force of 27 N on each other. What will the magnitude of the force be if the distance between the two charges is increased to three times the original distance?
asked by Taylor 
Physics
Two points charges of 2uC and 6uC are located at the position(0.0)m and (0.3)m.Calculate the total electrical potential at the point (4.0)m due these two charges.
asked by Joel 
Calculus
log3 xlog3(1x)=3
asked by Zukii 
Physics
Two charged particles exert an electrostatic force of 27 N on each other. What will the magnitude of the force be if the distance between the two charges is increased to three times the original distance?
asked by Taylor 
home economics
examples of career in home economics
asked by karishma 
physics
A box of mass 65 kg hangs motionless from two ropes, as shown in the diagram above. The angle is 40 degrees. Choose the box as the system. The xaxis runs to the right, the yaxis runs up, and the zaxis is out of the page. What is the ycomponent of the
asked by freddy 
Math
Please help me with this If 2/3 of N is 4, then 1/2 of N is:
asked by Becki 
physics
Calculate the torque about the front support of a diving board, exerted by a 70 kg person 3.0 m from that support. (Take the positive direction to be clockwise.)
asked by Bill 
business
Which of the following statements is generally not true about state intermediate appellate courts? A. Appellate court decisions are final and further appeal is not possible. B. The appellate court reviews the record of the trial court. C. The appellate
asked by Meh 
physics  electric field
a point particle with charge q= 4/5 uC is placed on the xaxis at x=10cm. A second particle of charge Q is now placed on the xaxis at x = 25cm, and its found that the electric field at the origin is zero. Find Q.
asked by J Velji 
social studies
ineed the location of egypt this is what i wrote so far, Ancient Egypt, civilization that thrived along the Nile River in northeastern Africa for more than 3,000 years, from about 3300 BC to 30 BC. It was the longestlived civilization of the ancient
asked by social studies 
5th math
If a spinner is divided into 8 congruent sectors what is the sample space ? there a 2 1's, 2's. 3's and 4's that make up the segments
asked by jill 
chemistry
Carbon disulfide,CS2, is a volatile, flammable liquid. It has a vapor pressure of 426.6 mmHg at 29.8C and 760.0 mmHg at 46.5C. What is the heat of vaporization of this substance?
asked by patty 
physics
a boy with a mass of 60kg climbs a 10m vertially up a ladder. A) how far did he travel? B) how much work is done? C) what are the energy changes here?
asked by Anonymous 
physics
A uniform ladder of mass m and length L leans at an angle θ against a frictionless wall. If the coefficient of static friction between the ladder and the ground is 0.43, what is the minimum angle at which the ladder will not slip? Do i use the equation
asked by Sydney 
Calc
A mass is oscillating on the end of a spring. The distance, y, of the mass from its equilibrium point is given by the formula 2zcos(14πwt) where y is in centimeters, t is time in seconds, w and t and are positive constants. What is the furthest distance
asked by Stephanie 
Physics
How much heat is required to raise the temperature of 70 g of water from 20 C to 80 C?
asked by Abida 
Physics
How much heat must be added to 60 g of ice at 0 C to melt the ice completely?
asked by Abida 
Chemistry
how many grams of oxygen are in 213.5g Fe2O3?
asked by Felipe 
chemistry
What amount of water in liters could be heated from 20.0 to 42.0 by the car's energy? (One calorie raises the temperature of 1 of water by 1.)
asked by Anonymous 
annuities
8. Mary would like to save $10 000 at the end of 5 years for a future down payment on a car. How much should she deposit at the end of each week in a savings account that pays 12%/a, compounded monthly, to meet her goal? a. What type of annuity is this? c.
asked by Chelsea 
math helper plese
2 isosceles triangles have the same height. The slopes of the sides of triangle A are double the slopes of the corresponding sides of triangle B. How do the lengths of their bases compare? A. The base of A is quadruple that of B. The base of A is double
asked by Kelly 
calculus
Suppose that the sales at Borders bookstores went from 70 million dollars in 1989 to 415 million dollars in 1993. What is the continuous percent growth rate, per year, of sales?
asked by Alyssa 
Math
4. Vanna has just financed the purchase of a home for $200 000. She agreed to repay the loan by making equal monthly blended payments of $3000 each at 9%/a, compounded monthly. c. How long will it take to repay the loan? d. How much will be the final
asked by Michelle 
biology
which process most likely caused the change in CO2 level in the flask over the lasy 37 minutes?
asked by jacob 
Calc
A mass is oscillating on the end of a spring. The distance, y, of the mass from its equilibrium point is given by the formula 2zcos(14πwt) where y is in centimeters, t is time in seconds, w and t and are positive constants. What is the furthest distance
asked by Stephanie 
Math
A class has 2 rows of 8 seats each. there are 14 students 4 of whom always sit in the front row and 5 of whom always sit in the back row. How many ways can the students be arranged?
asked by Esther 
physics
A novice golfer on the green takes three strokes to sink the ball. The successive displacements are 4.00m north, 2.00m northeast, and 1.00m at 30.0 degrees west of south starting at the same initial point, an golfer could make the hole in what single
asked by joe 
Linear Algebra
For which values of 'a' will the following system have no solutions? Exactly one solution? Infinitely many solutions? x + 2y  3z = 4 3x  y +5z = 2 4x + y + (a^214)z = a+2
asked by Linus 
math
a color called "passion purple" is made by mixing 5 oz of red paint with 9 oz of blue paint. what percent of passion purple is blue paint?(round to the nearest percent.)explain how you got the answer
asked by Anonymous 
math
6. A lottery offers two options for the prize. Option A: $1000 a week for life Option B: $ 600 000 in one lump sum. The current expected rate of return for large investment is 7%/a, compounded weekly. a. Which option would the winner choose if s/he expects
asked by Chelsea 
Phsyics
Is an object with a temperature of 273.2 K hotter than, colder than, or at the same temperature as an object with a temperature of 0'C? I don't know how to convert kelvin to celcius.
asked by Abida 
chemistry
Methanol, CH3OH, a colorless, volatile liquid, was formerly known as wood alcohol. It boils at 65.0C and has a heat of vaporization of 37.4kj/mol. What is its vapor pressure at 39.0C?
asked by patty 
physics
Here is the problem and answers. how do i reach the answer? A car at the Indianapolis500 accelerates uniformly from the pit area, going from rest to 325 km/h in a semicircular arc with a radius of 198 m. Determine the tangential acceleration of the car
asked by hopsy 
math
Camilla has 3 times as many points as Lynn. Lynn has 5 more points than Kim. Camilla, Lynn, and Kim combined have twice as many points as Jasmine. If Jasmine has 25 points  how many points do the three other girls have?
asked by Jake 
physics
Water is running out of a faucet, falling straight down, with an initial speed of 0.50 m/s. At what distance below the faucet is the radius of the stream reduced to onehalf its value at the faucet?
asked by john 
physics
Diego pulls a 4.5 kg sled across level snow with a force, F, of 200 N on a rope that is 35.0° above the horizontal. If the sled moves a distance of 67.5 m, how much work does Diego do?
asked by taylor 
chemistry
A sample of crude oil has a density of 0.87g/mL. What volume in liters does a 3.6kg sample of this oil occupy?
asked by Maria 
magee
Whenever you use a inclined plane a. deis ezual to dr b. dris zero, c. deis less than dr, d. de is greater than dr
asked by Bet 
Physics
A proton is released from rest in a uniform electric field which is directed along the x axis and of magnitude E=2*10exponent5 V/m.The proton undergoes a displacement from point A at the origin to point B at x=0.2m.What is the change in the potential
asked by Joel 
Math (Algebra 2)
Use long division to find the quotient and remainder when f(x)= 15 x^4  9 x^3  18 x^2 + 24 x + 18 is divided by g(x)= 3 x + 1
asked by Gary 
Economics
Suppose the demand curve for a monopolist is Qd = 500 – P, and the marginal revenue function is MR = 500 2Q. The monopolist has a constant marginal and average total cost of $50 per unit. A. Find the monopolist’s profit maximizing output and price.
asked by Michelle 
Physics
Two forces act concurrently on a point P. One force is 60nt due east. The second force is 80nt due north. (a) Find the magnitude and direction of their resultant. (b) What is the magnitude and direction of the equilibriant?
asked by Elise 
Algebra 2
A big beach towel has a width that is 3 feet less then it's length. If the towel's area 28 square feet, what is it's length?
asked by Neli 
alg 2
a rectangle is to be inscribed in a isosceles triangle of height 8 and base 10. Find the greatest area of such rectangle.
asked by keeter 
Calculus
The monthly cost of driving a car depends on the number of miles driven. Lynn found that in May it cost her $410 to drive 300 mi and in June it cost her $470 to drive 600 mi. (a) Express the monthly cost C as a function of the distance driven, d, assuming
asked by Ethan 
Physics
Two electrostatic point charges of +60.0 uC and +50.c uC exert a repulsive force on each other of 175 N. What is the distance between the two charges? So let's say I use Coulomb's law would the repulsion of 175 N be considered the equivalent of the
asked by Pablo 
Psychology
identify the major similarities and differences that exists between the American and European traditions of psychology. Please post a response to this message that includes at least two similarities and two differences
asked by Sarah 
Pattern
Suppose you plan to save $12 per week.You have already saved $7.50.In how many weeks will you have saved at least $100?
asked by Anonymous 1 
Chemistry Lab
Determine the ionization energy of a hydrogen atom (in kJ/mol) if the electron is in its ground state. (Hints: Use the Rydberg equation, remember E=hc for a single H atom, and R=109678x10–2nm–1 ) _____ kJ/mol Thanks :)
asked by Shawn Tabrizi 
physics
A block weighing 6.8 N requires a force of 2.9 N to push it along at constant velocity. What is the coefficient of friction for the surface?
asked by cole 
chemistry
Given the following equation: Mg(s)+2HCl(aq) goes to MgCl2(s)+H2(g) How many grams of hydrogen chloride (HCl) are needed to produce 200g of hydrogen H2?
asked by Jasmine 
Chemistry Lab
Complete the table below: The hydrogen emission spectrum has four series (or sets) of lines named Balmer, Brackett, Paschen, and Lyman. Indicate the energy (infrared, ultraviolet, or visible), the nf value for each series, and all possible ni values up to
asked by Shawn Tabrizi 
St.Nicholas Adult High School (English)
the sentence'15%of adult height is added during teen years." Ineed response and explaination. I'am so confused about that question.
asked by Mary 
calculus
A bug walks along the circle x^2 + y^2 = 4. When it is at the point (1, (3)^1/2)), dx/dt = 2. Find dy/dt at this instant.
asked by Ryan 
Economics
Suppose the demand curve for a monopolist is Qd = 500 – P, and the marginal revenue function is MR = 500 2Q. The monopolist has a constant marginal and average total cost of $50 per unit.
asked by Michelle 
physics
a 150giron ball at 95 Celsius is dropped into a cavity in a block of ice
asked by ice 
Math grade7
Meagan bought a book for $12.00, received an allowance of $15.00, paid back a loan of $7.00, bought lunch for $8.50, earned $8.00 raking leaves, and found $2.00. She now has $22.25. How much did she start with? Help me please. Thank you!
asked by pretty 
physics  electric field
a point particle with charge q= 4/5 uC is placed on the xaxis at x=10cm. A second particle of charge Q is now placed on the xaxis at x = 25cm, and its found that the electric field at the origin is zero. Find Q.
asked by J Velji 
alegebra 2
12x+20y+15z=60
asked by alex 
math
Omar wants to buy a double scoop ice cream cone. His favorite flavors are vanilla, strawberry, raspberry and chocolate. A combination with both scoops of raspberry represents ___ out of ___ possible combinations.
asked by meghan 
social studies
6. Stabilization policies can best be described as policies that: A. attempt to eliminate recession and/or inflation in the economy. B. use changes in government spending to promote an equitable income distribution. C. use changes in the money supply to
asked by sierra 
science
if an acid has a pH of 1.1 what is the hydrogen ion concentration of the solution expressed in scientific notation to 3 significant figures, for my answer can it be written 1 x 10^1.1 mol dm3? or can you not use decimals in the to the power of so should i
asked by annie 
alg 2
a rectangle is to be inscribed in a isosceles triangle of height 8 and base 10. Find the greatest area of such rectangle.
asked by keeter 
Science
How do you calculate the total magnification of a microscope, using the eyepiece magnification and the objective magnification?
asked by Sara 
chemistry
Mercury has a density of 13.6 g/mL. What is the mas of 4.72 L of mercury?
asked by Maria 
physics
Identical +3.07 µC charges are fixed to adjacent corners of a square. What charge (magnitude and algebraic sign) should be fixed to one of the empty corners, so that the total electric potential at the remaining empty corner is 0 V?
asked by mackenzie m 
Math
Mary drove from Amity to Belleville at a speed of 50 mph. On the way back, she drove at 60 mph. The total trip took 4 2/5 hours of driving time. Find the distance between these two cities. Any help would be greatly appreciated! =]
asked by Ashley 
math
a picture frame containing a photogragh is 11 inches wide and 14 inches high. a mat around the photograph is 1 1/2 inches wide on all sides. what are the dimensions of the photograph? do you want to add or subtract from each side?
asked by jean 
calculus
The first derivative of the function f is given by f'(x) = (cos^2x)/x  1/5 How many critical values does f have on the open interval (0,10)?
asked by anynymous 
Algebra II
The base of a triangle is 8 cm greater than the height. The area is 24cm^2. What is the base and height?
asked by Nancy 
Math
Kate's plane leaves at 3:35 P.M. She has to check in 2 h and 35 min to get to the airport from her home. Kate must first drop off her dog, Fido, at her friend's house next door. She wants to spend 45 min talking to her friend. What is the latest time she
asked by pretty 
Chemistry
How much heat (in BTU) would be required to heat and vaporize 100 lb of water from 25°C to saturated steam at 1 atm? Assume heat capacity is constant at 1 BTU/lb°F and the latent heat of vaporization is 1,000 BTU/lb. Also, what is the temperature of the
asked by Jini 
math
a color called "passion purple" is made by mixing 5 oz of red paint with 9 oz of blue paint. what percent of passion purple is blue paint?(round to the nearest percent.)
asked by Anonymous 
chemistry help
a kilogram of aluminum metal and a kilogram of water are each warmed to 75 degree celisus and placed in two identical insulated containers. one hour later, the two containers are opened and the temperture of each substance is measured. the aluminum has
asked by Sammy 
chemistry
which is the symbol for the following monatomic ion? 8 protons and 10 electrons
asked by Maria 
algebra
Suppose that Maria has 140 coins consisting of pennies, nickels, and dimes. The number of nickels she has is 9 less than twice the number of pennies; the number of dimes she has is 19 less than three times the number of pennies. How many coins of each kind
asked by Brittney 
chemistry
The heat of vaporization of a substance is 2900 J/g at its boiling point of 313C. How much of this substance can be vaporized if 58700 J of energy are available?
asked by dave 
Statistics for the Behavioral and Social Sciences
Using a t test for dependent means based on .05 significance level, what is the power of each studies. Study Effect size N Tails (a) Small 20 one (b) Medium 20 one (c) medium 30 one (d) medium 30 two (e) large 30 two
asked by Barbara Pratt 
Statistics
This is my first time taking statistics, please help me with the problem step by step. A sample of 20 pages was taken without replacement from the 1,591page phone directory Ameritech Pages Plus Yellow Pages. On each page, the mean area devoted to display
asked by Tee 
computer science
Write a program that prompts the user to input three numbers. The program should then output the numbers in nondescending order
asked by swert 
geometry
Triangle PQR has vertices P(0,12) Q(7,11) ans R(2,2) Find the eaquation of the triangles median through point Q
asked by timmy 
physics
a tennis ball when thrown from a height 2m horizentally,it touchs the net at a distance 15m and hits the grownd at a distance 25m . what is the heigth of the net?
asked by amrita roy 
PHYSICS II
A uniform electric field of magnitude 3.00×10^4 N/C makes an angle of 37 degrees with a plane surface of area 1.40×10^−2 m^2. What is the electric flux through this surface? i got 321 using the formula electricflux = E A Cos(theta), but it's wrong.
asked by Cassie 
chemistry
Assume that the kinetic energy of a 1600 kg car moving at 125 km/h is converted entirely into heat.How many calories of heat are released?
asked by Anonymous 
Math
Karen is 63 inches tall and casts a shadow that is 32 inches long. At the same time, a tree casts a shadow that is 81 inches long. How tall is the tree?
asked by John 
ChemistryDrBob222
A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams of CO2 and 0.600 grams of water are formed. When 2.75 grams of the compound are dissolved in 10.0 grams of water the resulting
asked by Patrick 
Chemistry
"The analyzer said that at 20degreesC the unknown gas was 82.8% carbon by weight and 17.2% hydrogen. The analyzer also diffused the gas through a special apparatus and measured the rate of its diffusion compared to how fast oxygen gas diffused under the
asked by Anonymous 
English
The questions says, he is always late unfortunately. Late is the word underlined. Is late an adjective ?
asked by Sammie 
Algebra
On three consecutive passes, a football team gains 5 yards, loses 31 yards, and gains 29 yards. What number represents the total net yards?
asked by Terry 
Math/Trig
Find the radius of a circle with a central angle of pi/7 and a length of the intercepted arc equal to 7.7 cm. Round your answer to the nearest tenth.
asked by CJ 
MaTh = Algebra = help
Solve this system of linear equaiton by an algebraic method. So If I had to solve this the elimination method way, how would I do it? x2y = 10 3xy = 0
asked by Rihanna 
physics
A suspension bridge supported by a cable 100ft long has a sag of 10ft at its center. If the bridge has a weight of 20,000 lbs and its center of mass is the center of the bridge, what is the tension on the cable?
asked by bird 
Chemistry
"The analyzer said that at 20degreesC the unknown gas was 82.8% carbon by weight and 17.2% hydrogen. The analyzer also diffused the gas through a special apparatus and measured the rate of its diffusion compared to how fast oxygen gas diffused under the
asked by Anonymous 
calculus
A cylindrical metal can with an open top is to be constructed. the can must have a capacity of 24pie cubic inches. the metal used to contruct the bottom of the can costs 3 times as much as the metal in the rest of the can. Find the dimensions(radius and
asked by jose 
alg 2
a rectangle is to be inscribed in a isosceles triangle of height 8 and base 10. Find the greatest area of such rectangle.
asked by keeter 
Math
In a mathematics olympiad there are 20 finalists. In how many ways can three equal prizes be awarded, assuming that two prizes cannot be given to one finalist? In how many ways can a first, second and a third place be awarded? (I understand that
asked by Jen 
Math
The length of a rectangle is twice its width if the area of the rectangle is 200 m squared, find its perimeter.
asked by Joseph 
ALGEBRA!!!!
16p³+12p²+20p+15
asked by LIZETH 
annuities
7. Find the nominal interest rate that is equivalent to 18%/a, compounded quarterly, if interest is paid monthly.
asked by Chelsea 
Psychology
is there a difference betweeen mentally handicapped and mentally retarted?
asked by Anonymous 
calculus
A bug walks along the circle x^2 + y^2 = 4. When it is at the point (1, (3)^1/2)), dx/dt = 2. Find dy/dt at this instant.
asked by Ryan 
physics
An animalrescue plane due east at 50 meters per second drops a bale of hay from an altitude of 62 meters. The acceleration due to gravity is 9.81 meters per second squared. If the bale of hay weighs 191 newtons what is the momentum of the bale the moment
asked by Lauren 
Biology help :(
Place the following process in the correct order. a) urine is stored in the bladder. b) blood enters the afferent arteriole. c) fluids pass from the glomerulus into Bowman's capsule. d) urine is excreted by the urethra. e) sodium ions, glucose and amino
asked by Brianna 
physics
The rafters of a roof meet at an angle of 120 degrees. What force is exerted along the rafters by an object weighing 6000nt suspended from the peak?
asked by Elise 
Chemistry Lab
Infrared, ultraviolet, and visible radiation are all part of the electromagnetic spectrum. Arrange the three types of radiation in order of increasing energy. Note: Use only infrared, ultraviolet, or visible for your answers. Lowest: ___
asked by Shawn Tabrizi 
Chemistry Lab
The Rydberg equation (1=Rni 2–Rnf 2) can be treated as a line equation. What is the value of nf as a function of the slope (m) and yintercept(b)? A. mb B. –mb2 C. (mb)12 D. (–mb)12 E. (mb)12 F. None of these are correct. Thank you :)
asked by Shawn Tabrizi 
Math
Megan bought a book for $12.00, received an allowance of $15.00, paid back a loan of $7.00, bought lunch for $8.50, earned $8.00 raking leaves, and found $2.00. She now has $22.25. How much did she start with? Please I need help. Thank you
asked by pretty 
Chemistry
See bottom Patrick A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams of CO2 and 0.600 grams of water are formed. When 2.75 grams of the compound are dissolved in 10.0 grams of
asked by Patrick 
idk
How many moles of carbon tetrachloride are in 51.0 grams?
asked by idk 
grade nine space
What is the difference between the terms rotation and revolution? I need to use the Earth to support my answer.
asked by peyton 
St.Nicholas Adult High School (English)
the slogan "got milk'. Ido not the what this question means. can tell me the answer please thank you,
asked by Mary 
Physics
a person stands a distance of 0.300 meters from the right end of a 2.00 meter long uniform platform that is supported by two posts, one at each end. The board has a mass of 20.0 kg and the person's mass is 75.0 kg. a. determine the force exterted on the
asked by Sara 
world history
Prehistory ended with the invention of what?
asked by kyle 
Math
If the 3 sides of a triangle have lengths 9m, 12m, and 15m, what is the area of this triangle?
asked by jackie 
trig
A ladder leans against a house at a point 19 feet high. The ladder is 25 feet long. What is the measure of the angle formed by the ladder against the house?
asked by Abram 
Comm215
In this problem: Sally told Janice that she made the honor role. __ Pronoun shift in number __ Pronoun shift in person __ Ambiguous reference __ No error What does ambiguous reference mean?
asked by Amber 
chemistry
a kilogram of aluminum metal and a kilogram of water are each warmed to 75 degree celisus and placed in two identical insulated containers. one hour later, the two containers are opened and the temperture of each substance is measured. the aluminum has
asked by Sammy 
chemistry
Assume that the kinetic energy of a 1600 car moving at 125 is converted entirely into heat.How many calories of heat are released?
asked by Anonymous 
PHYSICS II
When two identical ions are separated by a distance of 4.0×10^−10 , the electrostatic force each exerts on the other is 5.7×10^−9 . How many electrons are missing from each ion? what i did was used coulombs law to find the value of q1 and q2 , so
asked by Cassie 
physics
what is the maximum acceleration equation?
asked by cole 
science
Can you give me awebsite about phase change?
asked by jhon 
algebra
Cat Years 1 3 4 6 7 Human Years 13 33 43 63 73 What is the meaning of the slope? Write the slopeintercept form of the equation for the line of fit. Use linear interpolation and your line of fit to estimate the number of human years which will correspond
asked by Joshua 
physics
A lawn roller is pushed across a lawn by a force of 127 N along the direction of the handle, which is 22.5° above the horizontal. If 64.3 W of power is developed for 90.0 s, what distance is the roller pushed?
asked by taylor 
com
what would be the verb and its tense: Successful financial planning can be improved through good education.
asked by carla 
Math
What is the value of x? A isosceles triangle: bottom  x+3 one side  2x+5 other side  3x+2
asked by Brittany 
biology
Why might people in the United States be more likely to be malnourished as compared to undernourished? What is the difference between the two and why is this important to know?
asked by Anonymous 
chemistry
A girl is celebrating her seventh birthday. Each guest is served one large slice of chocolate cake, a hamburger, French fries, and some oranges. Identify the food groups mentioned above. If one slice of chocolate cake contains 35g of carbohydrate, 15g of
asked by sheila 
calculus
Put the function P=15(1.1)^t in the form Pe^kt
asked by Lauren 
social studies geography
75% of the active volcanoes are found along the west coast of N. America and east coast of Asia to New Zealand and is often called:
asked by janet 
math
Using the formula for the area of a triangle, A = 1/2 bh, find the area of this triangle pictured. The base is 2x + 16 and the height is 4x. I just don't know how to work the problem.
asked by Alyssa 
Math
The morrison family bought a car for $22,000 which was financed at $600 per month for 40 months. The down payment was $3,000. What is the installment price? What is the financial charge and amount financed?
asked by Princess 
calculus
rotate the axes and eliminate the xy term of 3(x^2)+2xy+3(y^2)8
asked by maddie 
The Canadian Spelling
Hi. I wanna ask you one question. "Why is the spelling of the hockey team The Toronto Maple Leafs unusual?" If you can answer I gonna be happy.
asked by pretty 
Math
Yuki made cookies on Monday. Some friends came over and ate half the cookies on Tuesday. on Wednesday, Yuki ate three cookies, and on Thursday, she took two cookies to school. By Friday, Yuki had seven cookies left. How many did she bake on Monday? Thank
asked by pretty 
history
What is Johnson’s thesis regarding Sam, the Market Revolution, and antebellum American society in the book Sam Patch?
asked by Lilly 
English
The teacher will talk about homeless in Florida. Or is it better to write it this way? The teacher will speak about homeless in Florida.
asked by M 
Science
How are weathering and erosion related?
asked by Clarisse 
math
what is the solution sets of the following a) 2x^27x5 b) 5y^216y+3 c) 4y^2+5y6 d) 10x^213x+4 e) 12y^211y5 f) 10c^221c+9 g) 3m^2+5m2 h) 12x^2+19x+5
asked by Mohamed shiko 
Math
abcd is a square, and point e lies along side ab so that ae is three times as long as eb. To the nearest degree, what is measure of angle ecb?
asked by Sean 
chemistry
Mercury has a density of 13.6 g/mL. What is the mass of 4.72 L of mercury?
asked by Maria 
science
Why doesn't the sand from california beaches' result in froth and bubbles when you pour vinegar on it?
asked by tiff 
physics
Compare the gravitational force on a 35 kg mass at the surface of the Earth (with radius 6.4 × 10 6 m and mass 6 × 10 24 kg) with that on the surface of the Moon with mass 1 81.3 ME and radius 0.27RE . What is the force on the moon?
asked by Anonymous 
Science
1. I got a list of solutions. We did a test in the lab to figure out what was there pH. How do you figure out which one is the most acidic and the most basic? 2.When might you need to know whether a solution is acidic or basic? 3. Dishwasher detergent,
asked by Neha 
Math
Solve. 3p1=5(p1)2(72p)
asked by Paige 
Math
How many possible regular polyhedrons (platonic solids)?
asked by lez 
math
A koala sleeps an average of 22 hours each day about how many hours does a koala sleeps in a year?
asked by Justin 
Math
When you look out over an unobstructed landscape or seascape, the distance to the visible horizon depends on your height above the ground. The equation d=3/2h is a good estimate of this, in which d=distance to horizon in miles and h=height of viewer about
asked by Sherry 
social studies
port cities sutch as boston philadelphia and new york make the northeast a?
asked by pam 
literature
in a pair of silk stockings the silk stockings are a symbol of
asked by Anonymous 
money and banking
Consider a coupon bond that pays $105 every year and repays its principal amount of $1,500 at the end of 7 years
asked by Anonymous 
Calculus
lnx+ ln (x+3)= 2ln2
asked by Zukii 
Algebra
Using the following six digits, 1, 2, 4, 6, 8, and 9, fill in the blanks below to make the maximum product that you can. Use each digit only once. How does an understanding of place value help determine the best solution to this problem?
asked by Melissa 
Algebra
Solve: 3x2y=10 2x+3y=2 Graph: Substitution: Elimination: Show Your work! (I can'tfigure out how to graph it and when i used substitution and elimination it came out with two different anwsers. I got (13/3.5,19/10.5) for substitution, and ((0.2,0.8) for
asked by Darryl 
PHYSICS II
When two identical ions are separated by a distance of 4.0×10^−10 , the electrostatic force each exerts on the other is 5.7×10^−9 . How many electrons are missing from each ion? what i did was used coulombs law to find the value of q1 and q2 , so
asked by Cassie 
English
i have to write a character sketch essay on the protagonist OR antagonist for the book Royally Jacked & i picked Valerie Winslow && i need a thesis Statement for it ? And its due in a day ! and i need help Please Help Me . ~ Thank You .
asked by Taylor 
health, safety, and nutrition for the young child
a child who moved from throwing a ball using only an elbow movement to throwing a ball using her elbow, wrist, and shoulder is showing signs of _____ development. (a)intertask (b)spatial (c)jointplate (d)intratask
asked by erica 
MATH HELP
A line with an undefined slope passes through the points (2,1) and (p, q). Which of the following points could be (p, q)? A. (1,0) B. (0,1) C. (0,2) D. (2,0) Help Me, I do not know how to figure this out????? A person tried helping me with this, but I
asked by Anonymous 
Science
How many electrons are present in the outer shell of each element?
asked by Fred 
Biology
Your research team suspects that lactose intolerance is a recessive trait. Which of the following observations would contradict your theory? a) Two lactose intolerant parents always have children who are lactose intolerant b) Genetic analysis shows that
asked by Bella 
biology
what cgange occurred in the shape of the horse from hyracotherium to equus?
asked by latisha 
physics
A passenger riding on a train moving over a bridge with a velocity of 55m/s, drops a pen out of the window. the pen lands in the river below 2.4 seconds later. A. find how high the window was above the water. B. how far forward did the pen move?
asked by Anonymous 
biology
Who discovered DNA was it James Watson and Francis Crick or Friedrich Miescher ? thankyou
asked by kellie 
Math
Solve integration using u substitution of (x+1)sqrt(2x)dx
asked by Hannah 
social studies
when did the slave trade end ? what did many people think(and hope) would happen to slavery ?
asked by Anonymous 
Physics
if a ball is thrown straight upward and is caught 5s after being thrown,how fast must it have been going when it left the person s hand?help
asked by Joel 
Math
If find RX = 2y + 2x, TX = 3y  1, and SU = 28, FIND THE VALUES OF X AND Y
asked by Mike 
chemistry help
a kilogram of aluminum metal and a kilogram of water are each warmed to 75 degree celisus and placed in two identical insulated containers. one hour later, the two containers are opened and the temperture of each substance is measured. the aluminum has
asked by Sammy 
chemistry
Calculate the total mass of gold needed to react with 4200g of chlorine to make 7112g of gold(iii) chloride?
asked by naseeb 
biology
Most homeostatic mechanisms are controlled with a negative feedback loop. Explain why this mechanism may be more efficient at maintaining homeostasis as compared to positive feedback mechanisms. Provide examples of both to illustrate.
asked by Anonymous 
science
What was Hippocrates famous for?
asked by alicia 
physics
What force must be exerted to prevent a truck weighing 15 tons from rolling down an inclined plane which makes an angle of 3 degrees with the horizontal.
asked by Elise 
chemistry
Caluclate the total mass of copper needed to react with 100g of iodine to make 512g of copper(ii) iodide. PLEASE work it out for me idk how to do it ?
asked by naseeb 
science
How do you improve the reactivity of a metal which does not easily react with water?
asked by Sasha cee 
Math
Find the area of a rectangle if its length is 5x+10 and its width is 5x5
asked by Julie 
Math
What is the circumference of a circle with a diameter of 10 m.
asked by nando 
physical science
the attraction or pull of a person"s body toward the earth by the earth is called weight.the reaction to this force is the:
asked by kitsy 
world history
The Hull house is an example of ______?
asked by tisha 
Linear Algebra
Express the solutions of the following systems in terms of the free variables: x1 + 3*(x2)  2*(x3) + 2*(x5) = 0 2*(x1) + 6*(x2)  5*(x3)  2*(x4) + 4*(x5)  3*(x6) = 1 5*(x3) + 10*(x4) + 15*(x6) = 5 2*(x1) + 6*(x2) + 8*(x4) + 4*(x5) + 18*(x6) = 6
asked by Linus 
physics
A cylindrical glass is 6cm wide. When you look from above at an angle you see the edge of the bottom of the glass. When the glass is then filled with water (1.33) you see the center of the bottom of the glass. How tall is the glass?
asked by sandhu 
math
how do you find the perimeter of four and one half , three and one half , three and two thirds ,two and two thirds and eight feet and one feet
asked by micah 
Math
In a circle, the measure of an inscribed angle is onehalf the measure of its intercepted arc. Is this true or false?
asked by al 
Psychology final
Informational Interview Your final project for this course will be a 3 to 5page paper that consists of the insights you have gained about yourself, your experience with this course, and the information you learned about your career choice during your
asked by Christina 
MATH
Mike wants to buy a snowmobile. His parents decide to lend him $9 000 at 10%/a, compounded monthly, if he agrees to repay the amount by making equal monthly (at the end of the month) payments for five years. d. Write the series that represents the present
asked by Michelle 
Health
Should mentally handicapped people be allowed to have children?
asked by Anonymous 
social studiesgeography
the st. lawrence seaway connects these two bodies of water
asked by janet 
calculus
rotate the axes and eliminate the xy term of 3(x^2)+2xy+3(y^2)8
asked by maddie 
Chemistry
When 0.855 g of this solid was dissolved in 7.50 g of napthalene, the solution had a freezing point of 78.0° C. The pure solvent freezes at 80.0° C; its molal freezing point constant is 6.8° C/m. What is the molecular formula of the compound?
asked by Justyn 
economics
what are the nonmonetary benefits of growing tobacco, of working as a plumber's assistant, and of working as a carpenter during the spring and summer and storing travel trailers for a local campground and selling oysters during the fall and winter?
asked by Melissa 
Math
What is the circumference of a circle with a diameter of 10 m.
asked by will 
math(algebra 1)
how do u answer this? please step by step *graph and check to solve the linear system y=x+3 y=x+1 Thank you very very much!!! :)
asked by please i need help!!! i dont get it 
5th grade math
how many square feet are needed to cover one square yard? would it be 108 sq ft also would .26 rounded to the nearest hundredth be .30
asked by jill 
stats
Suppose i am interested in the average price of books at a bookstore. i randomly pick 15 books.? i calculate the average of those, report my findings to the newspaper. can you identify the following: a. the population under consideration b. the parameter
asked by laura 
College Algebra II
When you look out over an unobstructed landscape or seascape, the distance to the visible horizon depends on your height above the ground.
asked by Sherry 
Math
The circumference of a circle with radius r is πr2 Is this true?
asked by ken 
geometry
the perimeter of a square lot is seven times the length of a side, decreased by 12. fine the length of a side.
asked by renolo alfredo 
Math
The area of a square field is represented by the trinomial x^210x+25. Write an expression that would represent the perimeter of the field.
asked by Julie 
trig
sorry  here it is simplify this expression : (x^3 y)/(y^(1/2) x^(2) ) when x is not = 0, and y is not equal to 0 thank you
asked by deena 
math
Please show me the steps on how to get the simplest form for 1 7/5ths
asked by johan 
math
Thank you for your help :) "The piecewise function f(x)= n(x^3)x______when____x(or=to)1 is differentiable everywhere. What is n? If you could explain step by step how to do this that would be great because I just do not see how to do this problem...thank
asked by APPRECIATIVE STUDENT 
geometry
if the hypotenuse of a triangle equals 25 and the height is x, then what is the length of the base?
asked by Anonymous 
Computer Science 40
Please help me with this homework assignment. I tried everything and it still didn't work. The question is: Use three variables volume, radius, and height to write a program that can be use to calculate the volume of a cylinder. Formula: volume = radius x
asked by Mailo Her 
math
Have to draw a parallelogram that is not a rectangle with a base of 6cm and a hieght of 4cm
asked by kris 
Math
How do I find the limit as x approaches 4 from the right when f(x)= (4x)/l4xl ?
asked by Rebecca 
math
3 (g3) = 6 find the value of g
asked by Jenni 
Calculus
(3x4)e^x26=0
asked by Zukii 
English
Need help in starting my paper on where to start, websites to research from: •Prepare a 700 to 1,050word paper examining the effect of legal, safety, and regulatory requirements on the human resource process as they relate to the following statement:
asked by Shanny 
Spanish
Does The Prince and Princess live at la Zarzuela near Madrid?
asked by Needs Help 
Algebra 2
George is 5 times as old as Heather. In 4 years he will be 3 times as old how old are both of them?
asked by Michaela 
math
what is the solution sets of the following a) 2x^7x5 b)5y^16y+3 c)10x^+5y6 d)10x^13x+4 e)12y^11y5 f)10c^21c+9 g)3m^+5m2
asked by Mohamed shiko 
Math
Jeremy is in Grade 8. He has a paper route and wants to save for his college education. He determines that he has $100 per month to put into an account at 6%/a compounded monthly. How much will he have at the end of five years for his college education? n
asked by Alicia 
algebraII
solve for x: 1)log(x3)+log(x+4)logx=log5
asked by MIchelle 
Math
can this be written using "i" ? (1 + √(11)) / (2) i know that √1 becomes + or  i
asked by Amy 
english
Since I'm doing a research paper now and i'm not sure if I accidentally plagiarize the contents when i try to paraphrase in my own words, so does anyone know any safe website that has a tool for me to check my essay
asked by blaking 
Math
I need help with this problem. Jason's credit cards beginning unpaid balance for August is $2,000. During the August billing cycle he made a payment of $200 and used card to purchase $50 worth of groceries. Credit card charges 24% annual percentage rate
asked by Princess 
MathAlgebra
Solve: 3x2y=10 2x+3y=2 Graph: Substitution: Elimination: Show Your work! (I can'tfigure out how to graph it and when i used substitution and elimination it came out with two different anwsers. I need help! and i need to be able to show my work!)
asked by Darryl 
physics
if the greatest acceleration force which may be be applied to a vehicle is numerically equal to its weight, find a the least distance and b the least time, in which the vehicle travelling on a horizontal road can be brought to rest from an initial velocity
asked by tennesha greene 
math
two card are chosen at random from a standard deck of cards with replacement. What is the probabilit of getting two aces
asked by Anonymous 
History
What advantage did the United Nations (World War 2) appear to have over the League of Nations (World War 1) ?
asked by Lorraine 
Geography
What country is St. Lo in?
asked by Lorraine 
Business
Would it be better to pay off a $1000 loan at 4% over 15 years or at 10% over five years ?
asked by Joe 
MATH HELP
A line with an undefined slope passes through the points (2,1) and (p, q). Which of the following points could be (p, q)? A. (1,0) B. (0,1) C. (0,2) D. (2,0) Help Me, I do not know how to figure this out?????
asked by Anonymous 
English
So which way is correct? The teacher will speack about the homeless in Florida. Or The teacher will talk about the homeless in Florida.
asked by M 
trig
Ido not understand why the rt triangel was in ratio of 1:√3:2 in Sue's question where in triangle abc c isthert angle and sin a √3/2  find csc bplease explain where the 1 comes from
asked by dena 
Maths
x+2 2x1 3  5 = 5 Note: x+2 is on top of 3 2x1 is on top of 5 and they r like a fraction.
asked by Shivi 
Math
How do you find the height of a triangle ?
asked by CJ 
Math
If a cube has one edge of 2m, what is the surface area of this cube?
asked by dave 
math
25
asked by saleh 
physics
a hare can run 100m in 5 seconds what is its speed
asked by tom turner 
Math
A cube is both a polyhedron and a prism. This isn't true right?
asked by mark 
Math
Which integer is 6 greater than 5. So what i have to do here?
asked by Miley 
Social Studies
how did helen thomas feel about watergate? if u could also tell me where u found the answer that would help, thanks
asked by Jake 
Math
What is the circumference of a circle with a diameter of 10 m.
asked by peter 
Math
What is the surface area of a right circular cylinder with base circle of radius of 5m and height of the cylinder 10m?
asked by anthony 
chemistry
If 8.00 kJ of heat are added to 200. g of water at 20.0 C, what is the final temperature of the water?
asked by jane 
Algebra
If y=7^(x+5)write the equation for the inverse of y. It must be a y=equation.
asked by Jill 
math
Solve for x to the nearest hundreth for an algebraic solution. 2^(x2)=54
asked by Anonymous 
English
Can you check how I rephrase the opening to the first chapter of Orwell's 1984? Thank you . 1) This extract is taken from G. Orwell’s 1984 and gives an insight into life (I need a synonym) in London, the capital of Oceania, a totalitarian state where the
asked by Franco 
physics
A passenger riding on a train moving over a bridge with a velocity of 55m/s, drops a pen out of the window. the pen lands in the river below 2.4 seconds later. A. find how high the window was above the water. B. how far forward did the pen move?
asked by Anonymous 
Math
Solve integration using u substitution of (x+1)sqrt(2x)dx
asked by Hannah 
calculus
Find the equation of the line l, given that f(x)=10^x and the point A is at x=logbase10(4).
asked by Jamie 
Chemistry Lab
Description of the process from problem one: Please help me fill in the blanks :) The _______ makes a transition from a _______ energy orbital to a _______ energy orbital resulting in the_______ of a photon.
asked by Shawn Tabrizi 
math
3L+2k = 45
asked by zoey 
Math
Rewrite as a single log: 4lnx2lny+1/3lnw
asked by Anonymous 
English
I forgot to include these other sentences. Thank you for your help. 1) He tries to remember what London was like when he was a child. Actually, he cannot remember anything about his childhood, except “a series of brightlit tableaux, occurring against no
asked by Franco 
Math
I am looking for help integrating using u substitution over the interval of 0 to pi/2 the function cos(2x/3)
asked by Hannah 
chemistry
What is a typical speed for a N2 molecule in this room? a) 50 m/s b) 500m/s c) 1500 m/s
asked by emoni 
health care studies
micro perspective vs marco perspective which has the greatest influencce on a person health?
asked by carol 
Math
If a sphere has radius 5 m. what is the volume of the sphere?
asked by pop 
grade nine space
Compare the following objects in the our Solar System in terms of 1. Where they are located and 2. What they are composed of : Sun Terrestrial planets Jovian planets Asteroids Comets Meteroids
asked by peyton 
math
a bullet of mass m,with speed v,hits a fixed wooden block and penetrates a distance of l.find the average resistance of the wood.
asked by ara 
algebra
provide me with a radical expression to simplify
asked by ella 
math
A praire vole has an average of 9 babies per litter. if it has 17 litter in season about how many babies are produced?
asked by Justin 
Math
The circumference of a circle with radius r is πr2 Is this true?
asked by john 
Calculus
solve the following: 2^x=3^2x+2
asked by Zukii 
Spanish
Hoe do you say "I turn on the fan when its hot." is this correct: Yo arrancar la ventiladora fue su caliente.
asked by Needs Help 
math
3(4b10) = .5(24b=60) find the value of b
asked by ashley 
Science
What are black holes ?
asked by Justina 
trig
is there a lowest or least cosine of a triangle with sides of 4,5,and 6? such as: .78, .72...
asked by ag 
english
what does metaphor mean
asked by shaquana 
English
I still have a few more sentences on the same theme. I really hope you can look at them too. 1)In any case, the face of Big Brother symbolizes the Party in its public manifestation; he is a reassurance to most people (the warmth of his name suggests his
asked by Franco 
biology
Jane is diabetic. How does this meal affect her condition and what interventions may be needed to return her body to homeostasis
asked by Anonymous 
Social Studies 201
Can someone explain to me what these sourses mean and how they relate to nationalism? (just so i have an idea of what i am going to write about) SOURCE 1 "the lines of red are blood, nobly and unselfish shed by men who loved the liberty of their fellowmen
asked by kyle 
Maths
is 10*10exponent 3 a scientific notation?
asked by Joel 
Calculus
factor 7x+42
asked by Ethan 
Math
(numeratorx^4y^2/Denominator x^2y^4)3
asked by Julie 
math
how does algebra help you show pattern or black hole number?
asked by cliford 
Math
What is the surface area of a right circular cylinder with base circle of radius of 5m and height of the cylinder 10m?
asked by lou 
computer science
What is an assembly language
asked by shawn 
math
Give the slope and yintercept for the line represented by y=3x/2
asked by m 
Algebra 2
Let f(x)=x^2+1 and g(x)=2x^2 find G(f(x))
asked by Mary 
Math/Trig
Find the area of triangleABC with B=47.6degrees, a=3.6, and c= 9.7. Round your answer to the nearest tenth.
asked by CJ 
PreCalculus
For what values of x is it true that sin(x)x < 0.01?
asked by Sara 
English
If I say "Did Tom speak Italian" is this past tense?
asked by Ging 
Combinatorics
In how many ways can 8 students be assigned to 2 groups if each group must have at least 3 students?
asked by Anon 
Calculus
solve the following: 2^x=3^2x+2
asked by Zukii 
RATIOS MATH
x to 6, 20 to 24 find value of x that makes them equal
asked by lolli 
Social Studies
how has the internet changed video voyerism? noone answered when i posted it before
asked by Jenny 
medical
how long will someone have to be in the hospital after they fainted?
asked by alanaR. 
Principles of Macroeconomics
What are the nonmonetary benefits of growing tobacco, of working as a plumbers assistant, and of working as a carpenter during the spring and summer and storing travel trailers for a local campground and selling oysters during the fall and winter?
asked by Melissa 
math
where can i find information about fractions decimals and percents
asked by jaansia carswell 
Calculus
(3x4)e^x26=0
asked by Zukii 
Math
I had to simplify the expression: 5exponent2(squared) I got the answer of 25 wrong. Why is that wrong?
asked by Julie 
English
I need a plausible solution to genocide.
asked by Jessica 
math
4545456+15616
asked by bejklnfjklaefn 
Math
A commercial airplane has a takeoff speed of about 300 km/h. What si the takeoff speed in mi/h?
asked by Lexi 
alge2
simplify: (2±√x)/(2√x)
asked by anony 
Math
If a sphere has radius 5 m. what is the surface area of the sphere?
asked by victor 
Maths
(3^2e^4)^1 [bracket three to the power of negative 2. 'e' to the power of 4, close bracket, to the power of negative 1]
asked by Gilda 
math
a bullet of mass m,with speed v,hits a fixed wooden block and penetrates a distance of l.find the average resistance of the wood.
asked by ara 
Math
(5x + 10)(5x  5)
asked by Julie 
english
use yellow flower in a sentence
asked by joey 
Calculus
solve the following: 2^x=3^2x+2
asked by Zukii 
Algebra II
I am stuck on a rational division problem: x is squared minus 1 0ver 1 divided by x1 over x + 5 = I hope you can help, Cathy It has been five, stupied, hours now!
asked by cathy 
geometry
a square has a diagonal measurement of 8 radical 2 inches. calculate its perimeter.
asked by taylor 
Math
(abc)^0
asked by Julie 
trig
(x^3 y)/(y^(1/2) x^(2) )
asked by deena 
math
factor 6x^21
asked by Ethan 
science
how do you make a phytoplankton at home
asked by tara