Questions Asked on
March 27, 2012

chemistry
A 0.100 M solution of K2SO4 would contain the same total ion concentration as which of the following solutions? A. 0.0800 M Na2CO3 B. 0.100 M NaCl C. 0.0750 M Na3PO4 D. 0.0500 M NaOH
asked by Michael 
Chemistry
Calculate the change in PH when 6 ml of 0.1 M HCl is added to 100 ml of a buffer solution that is 0.1 M in NH3 and 0.1 M in NH4Cl. And calculate the change in PH when 6 ml of 0.1 M NaOH is added to the original buffer solution.
asked by Mima 
algebra
why did the gyro go into the bakery?
asked by marquis 
physics
A 70kg fisherman in a 138kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.8 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the
asked by Taylor 
Physics
Gammaray bursters are objects in the universe that emit pulses of gamma rays with high energies. The frequency of the most energetic bursts has been measured at around 3.0 × 10 21 Hz. The speed of light is 3 × 10 8 m/s. What is the wavelength of these
asked by Angel 
physics
Your friend of mass 80 kg can just barely float in freshwater.Calculate her approximate volume.
asked by Kristie 
physics please help!!
A distant galaxy is simultaneously rotating and receding from the earth. As the drawing shows, the galactic center is receding from the earth at a relative speed of uG = 1.90 106 m/s. Relative to the center, the tangential speed is vT = 3.00 105 m/s for
asked by linds 
language arts
tell which letter is a correct answer to the questions. a question may have more than one right answer. Which of the following can be inflamed? a. a wound b. a menu c. an interrogation d. a congregation (I know for sure an answer is 'a' but I'm wondering
asked by SoccerStar 
ms.sue 5 grade math
1Becky made 4 quarts of chicken noodle soup in a big pot, then served cup bowls of soup to 6 people. How much soup is left in the pot? (1 qt = 4 c) A. none B. 1 qt 3 c C. 1 qt 1 c D. 3 c my son put answer (B) 2 A bedroom has the dimensions shown. What
asked by dw 
CHEMISTRY
a) Calculate the change in pH when 4.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq). b) Calculate the change in pH when 4.00 mL of 0.100 M NaOH(aq) is added to the original buffer
asked by Jematormal91 
chem
given PCl5(g)+heat PCl3(g)+Cl2(g) a. addition of cl2 answer : would shift to the left b. increase in pressure: answer: ? c. removal of heat answer: ? d. Removal of PCl3 as it forms answer: ? please help! thanks!
asked by hello 
chemistry
Consider the cell: (Pt) H2/H+  (Pt) H+/H2. In the anode halfcell, hydrogen gas at 1.0 atm is bubbled over a platinum electrode dipping into a solution that has a pH of 7.0. The other halfcell is identical to the first except that the solution around
asked by Anonymous 
physics
A spiral spring stretches 4 cm when a mass of 0.5 kg is suspended from it. what is the spring constant?
asked by jamal 
physics
Which of the following is true for popcorn kernels and the water molecules inside them during popping? a. The temperature of the kernels increases. b. The water molecules are destroyed. c. The kinetic energy of the water molecules increases. d. The mass of
asked by ihatephysicsgah 
Chemistry
How much CuSO4.5H20 would you need to prepare 6 grams of copper ammine complex, [Cu(NH3)]SO4.H20? There is only 1 ammonia molecule in the copper ammine complex. please answer asap, thanks!
asked by Melanie 
Statistics
A machine is used to fill soda bottles in a factory. The bottles are labeled as containing 2.0 liters, but extra room at the top of the bottle allows for a maximum of 2.25 liters of soda before the bottle overflows. The standard deviation of the amount of
asked by Kayla 
math
A rectangular lot is bordered on one side by a stream and on the other three sides by 360m of fencing. Find the dimensions of the lot in order to maximize area. (Also, does it make sense if the answer I got is 180m width, 90m length?)
asked by cs 
Physics
An object located 18 cm from a convex mirror prodeucses a virtual image 9 cm from the mirror. What is the magnification of the image?
asked by Shirley 
math
Angie drew a number line and labeled 0 and 1. To show 5/12, how many parts should she divide the distance from 0 to 1?
asked by destiny 
Physics
A garden roller is pulled with a force of 200N acting at an angle of 50* with the ground level.Find the effective force pulling the roller along the ground.
asked by Allwell 
math
Louise is creating a 1foot long comic strip. If she has marked 0.5 on her paper, what should she do to find 1 foot? Subtract 0.5 Add 0.2 Multiply 0.5 Add 0.5
asked by destiny 
Physics help please!!!
A 2.10 kg frictionless block is attached to an ideal spring with force constant 315N/m . Initially the block has velocity 3.75m/s and displacement 0.270m . Find (a) the amplitude of the motion. (b) the maximum acceleration of the block. (c) the maximum
asked by john 
Chemistry II
You place 1.234 g of solid Ca(OH)2 in 1.00 L of pure water at 25°C and it partially dissolves. The pH of the solution is 12.40. Estimate the Ksp for Ca(OH)2.
asked by Kelly 
math
If you roll a fair number cube 30 times, how many times would you expect to roll a number less than 3
asked by 6th grader 
English
i please need help with two short stories today. i write the first one here it be called ChickenHips. The women of the household clucked disapprovingly when they saw me. It was the first time I had worn African clothes since my arrival in tiny, dusty
asked by Mohammad 
Physics
(True or False) One Kilowatthour is equal to the energy consumed by an electric device of 1 W for 1 hour
asked by MM 
math
LOGIC: I plus onehalf of square plus zero plus onehalf of diamond plus center of the sea plus threefourth of X plus zero plus center of the sun?
asked by sha 
Microbiology
Why do you suppose Streptomyces griseus produces an enzyme that inactivates streptomycin? Why is this enzyme produced early in metabolism?
asked by BIO 
physics
A 70kg fisherman in a 138kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.8 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the
asked by Taylor 
Physics
A dog, with a mass of 8.0 kg, is standing on a flatboat so that he is 26.8 m from the shore. He walks 8.6 m on the boat toward the shore and then stops. The boat has a mass of 36.0 kg. Assuming there is no friction between the boat and the water, how far
asked by Julia 
chemistry
For the reaction: H2PO4 + HAsO42 > HPO42 + H2AsO4 Which pair exists as base in the equilibrium? H2PO4 & H2AsO4 are proton donors,therefore they are conjugate acids. HPO42 & HAsO42 are proton acceptors,therefore they are the base pairs asked in
asked by Swaastikaa 
physics
Sam, whose mass is 82 {\rm kg}, takes off across level snow on his jetpowered skis. The skis have a thrust of 240 {\rm N} and a coefficient of kinetic friction on snow of 0.11. Unfortunately, the skis run out of fuel after only 15 {\rm s}.
asked by Rachel 
physics
Suppose that you balance a 6kg ball on the tip of your finger, which has an area of 1 cm^2 Find the pressure on your finger.
asked by Kristie 
chemistry
Hydrogen and oxygen react to produce water according to the equation below. 2 H2 + O2 2 H2O How many liters of hydrogen at STP are needed to produce 0.24 mol H2O?
asked by marie 
URGENT MATH please
Chris cuts half a rectangular lawn, 40m by 30m, by mowing strips of equal width around the perimeter. Jerri cuts the small rectangle in the middle that's left. How wide a strip does Chris cut so that they share the work equally? Solve by using quadratic
asked by 11th grade 
ms.sue 5 grade math
1Becky made 4 quarts of chicken noodle soup in a big pot, then served cup bowls of soup to 6 people. How much soup is left in the pot? (1 qt = 4 c) A. none B. 1 qt 3 c C. 1 qt 1 c D. 3 c my son put answer (B) 2 A bedroom has the dimensions shown. What
asked by dw 
probability
there are 4 white balls and 6 red balls in a sack. If two balls are taken out successively ( the first ball is not replaced ) what is the probability that the balls are drawn are of different colors?
asked by karlo 
math
Complete in Metric Conversions: Estimate the cost ($) of the concrete required to construct a concrete sidewalk shaped as shown on the board. The required depth of the concrete in the sidewalk is 4 inches and the concrete costs $105/cubic yard.
asked by Amy 
Physics
The vector position of a 3.45 g particle moving in the xy plane varies in time according to 1 = 3 + 3t + 2t2 where t is in seconds and is in centimeters. At the same time, the vector position of a 5.00 g particle varies as 2 = 3 − 2t2 − 6t. Determine
asked by Sheri 
statistics
At a local high school students were randomly assigned to one of two math teachers Mrs smith and mrs jones. After the assignment, Mrs Smith had 30 students and mrs jones had 25 students. at the end of the year each class took the same standardized test.
asked by Anonymous 
macroeconomics
If the economy currently has a frictional unemployment rate of 2 percent, structural unemployment of 2 percent, seasonal unemployment of 0.5 percent, and cyclical unemployment of 2 percent, what is the natural rate of unemployment? Where is the economy
asked by Anonymous 
physics
The Young's modulus for steel is 2x1011 and its rigidity modulus is 8x1010 Nm2. Find the Poisson's ratio and its bulk modulus.
asked by pramod 
Chemistry
If 33.6 grams of KCl are dissolved in 192 grams of water, what is the concentration of the solution in percent by mass? AND if 2.1 moles of CaCl2 are dissolved in enough water to make a .92 liter solution what is the resulting molarity? Please help and
asked by Dr. David 
Statistics
Find the probability P(E or F) if E and F are mutually exclusive and P(E)=0.30 and P(F) =0.47
asked by Haley 
physics
The Young's modulus for steel is 2x1011 and its rigidity modulus is 8x1010 Nm2. Find the Poisson's ratio and its bulk modulus.
asked by pramod 
Physics
The vector position of a 3.45 g particle moving in the xy plane varies in time according to 1 = 3 + 3t + 2t2 where t is in seconds and is in centimeters. At the same time, the vector position of a 5.00 g particle varies as 2 = 3 − 2t2 − 6t. Determine
asked by Sheri 
ballou high school
The smith family is going to buy a home for 150,000 they will need a 10% down payment how much will they need
asked by tia 
physics
A 6.2kg piece of metal displaces 0.80 L of water when submerged.Find its density.
asked by Kristie 
physics
A convex lens is needed to produce an image that is 0.55 times the size of the object and located 30 cm from the lens on the other side. What focal length should be specified?
asked by Anonymous 
statitics
Suppose that a sample of n = 1,600 tires of the same type are obtained at random from an ongoing production process in which 8% of all such tires produced are defective. What is the probability that in such a sample 150 or fewer tires will be defective
asked by Chris 
Chemistry III
Assume you dissolve 0.240 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 1.16 102 mL of solution and then titrate the solution with 0.153 M NaOH. C6H5CO2H(aq) + OH (aq) C6H5CO2(aq) + H2O(l) (a) What was the pH of the original benzoic
asked by Kelly 
physics
The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.90 1010 T. The wave passes perpendicularly through an open window, the area of which is 0.20 m2. How much energy does this wave carry through
asked by jay 
physics
A block of wood of mass 6.0 kg slides along a skating rink at 12.5 m/s^2 [w] . The block slides onto a rough section of ice that exerts a force of 30 N force of friction on the block of wood. The acceleration of the block of wood is 5.0 m/s^2 [E] and it
asked by Isabella 
math
Which shows the gymnastic scores in order from least to greatest? 9.72, 9.8, 9.78, 9.87 9.78, 9.72. 9.87, 9.8 9.78, 9.8, 9.72, 9.87 9.72, 9.78, 9.8, 9.87
asked by destiny 
physics
A block of wood of mass 6.0 kg slides along a skating rink at 12.5 m/s^2 [w] . The block slides onto a rough section of ice that exerts a force of 30 N force of friction on the block of wood. The acceleration of the block of wood is 5.0 m/s^2 [E] and it
asked by Isabella 
Physics
a 4 kilogram ball moving at 8 meters per second to the right collides with a 1 kilogram ball at rest. After the collision, the 4 kilogram ball moves at 4.8 meters per second to the right. What is the velocity of the 1 kilogram ball?
asked by Hellen 
statistics
Suppose that SAT scores among U.S. college students are normally distributed with a mean of 450 and a standard deviation of 150. What is the probability that a randomly selected individual from this population has an SAT score at or below 600?
asked by Chris 
Physics
The vector position of a 3.45 g particle moving in the xy plane varies in time according to 1 = 3 + 3t + 2t2 where t is in seconds and is in centimeters. At the same time, the vector position of a 5.00 g particle varies as 2 = 3 − 2t2 − 6t. Determine
asked by Sheri 
URGENT MATH HELP!
When a ball is thrown upward, its height, h, in metres, is given by h=1.5 +19.6t 4.9t², where t is the number of seconds after it is thrown. For what length of time is the ball above the ground?
asked by lost 
Intermediate Algebra
Solve using the elimination method.Show work.If system has no solution state this or infinite solution 8x+10y=34 16x5y=43
asked by sherry 
Chemistry
Predict the characteristic of the solutions of the following salts. 1.CrBr3 2.NH4ClO4 3.NaCl 4.NiSO4 5.GaI3 6.MgC4H4O5 7.K2CO3
asked by Elizabeth 
Business
How can a financial manager at a nonprofit make better use of Web capabilities to enhance the financial position of the organization?
asked by Alexis 
grade 11 math
a market researcher predicted that the profit function for the first year of a new business would be p(x)= 0.3x^2 + 3x 15, where x is based on the number of items produced. will it be possible for the business to break even in its first year? thanks
asked by mrsweetlaeh 
statitics
Suppose that a sample of n = 1,600 tires of the same type are obtained at random from an ongoing production process in which 8% of all such tires produced are defective. What is the probability that in such a sample 150 or fewer tires will be defective
asked by Chris 
Chemistry
What quantity of heat is necessary to convert 50.0 g of ice at 0.0 C into steam 100,0 C? The heat of fusion is 80.0 cal/g, the heat of vaporization is 540 cal/g, and the specific heat of water is 1.00 cal/gC.
asked by Jill 
mathematical modeling
Use the 689599.7 rule to solve: The amount of Jen's monthly phone bill is normally distributed with a mean of $48 and a standard deviation of $6. Fill in the blanks. 95% of her phone bills are between $_____ and $_____.
asked by Jeremiah 
Physics
The image of a crayon appears to be 20.6 cm behind the surface of a convex mirror and is 3.32 cm tall. The mirror’s focal length is 52.6 cm. a) How far in front of the mirror is the crayon positioned? b) Calculate the magniﬁcation of the image
asked by Angel 
Physics
The vector position of a 3.45 g particle moving in the xy plane varies in time according to 1 = 3 + 3t + 2t2 where t is in seconds and is in centimeters. At the same time, the vector position of a 5.00 g particle varies as 2 = 3 − 2t2 − 6t. Determine
asked by Sheri 
statistics
The time it takes Jessica to bicycle to school is normally distributed with an average of a third of an hour and a variance of 9 minutes. Jessica has to be at school at 8:15 am. What time should she leave the house so she will be late on 5% of the time?
asked by Pat 
Chemistry
Chemistry HELP  Rates of reaction, redox reactions? 10 points? An structural isomer of bromobutane (C4H9Br) can be hydrolysed using aqueous sodium hydroxide to produce butanol. This can be represented by the following equation: C4H9Br(l) + OH(aq) >
asked by Lola 
US HISTORY
The "Cult of Domesticity" most accurately describes A. The lifestyles of factory women B. The responsibilities of farm wives C. The ideal of upper class, nonworking women D. The religious convictions of families in factory towns E. The role of Indian women
asked by Anonymous 
Chemistry
A 5.0 L sample of gas at 1.0 atm and 25 degrees Celsius is compressed to 0.05 L and 5.0 atm. What is the temperature at this new set of conditions?
asked by Deana 
Organic Chemistry
Design a procedure to separate a mixture of alcohols containing methanol, ethanol, 1pentanol. Explain, with references to intermolecular forces, why this separation method is effective in this situation.
asked by N 
Science
While Carmen is at the park with her family, she walks up to a wishing well. She throws a penny down the well, and she hears a splash at the bottom. Which of the following best describes what happens as the penny falls? A)The force of gravity is equal to
asked by Mary Helpppppp 
Chemistry
when 5.0g of KOH is added to 100mL, of water, the temperature of the solution increases by 3 degrees celsius. Assume the density of the solution to be 1g/mL and specific heat capacity of the solution to be 4.184 J/g K. a. calculate the amount of heat
asked by danielle 
Mathverify~
A parallelogram is defined by vectors OA=(4,3) and OB=(1,1). Determine the length of the diagonals OA+OB=(4,3)+(1,1) =(5,4) sqrt(5^2+4^2) =6.403 OAOB=(3,2) sqrt(3^2+2^2)=3.60 Therefore the length of diagonals are 6.40 and 3.60 units.
asked by Randall 
Geometry
The side length of square ABCD is 1 unit. Its diagonal, AC, is a side of square ACEF. Square ACEF is then enlarged by a scale factor of 2. What is the area of the enlargement, in square units?
asked by Kayla 
English
this be emily carr story d'sonoqua D’Sonoqua I was sketching in a remote Indian village when I first saw her. The village was one of those that the Indians use only for a few months in each year; the rest of the time it stands empty and desolate. I went
asked by Mohammad 
physics
NEED HELP WITH ONLY PART C Two 135.1.0W speakers, A and B, are separated by a distance D = 3.6 m. The speakers emit inphase sound waves at a frequency f = 11800.0 Hz. Point P1 is located at x1= 4.50 m and y1 = 0 m; point P2 is located at x2 = 4.50 m and
asked by sara 
Understanding percent
In the square, if part A is 1/4 of the square and part C is 1/10 of the square, what percent of the square is part B?
asked by JK 
Chemistry
A 20.2 mL sample of a weak monoprotic acid, HX, requires 50.0 mL of 0.060 M NaOH to reach the equivalence point. After the addition of 30.0 mL of NaOH, the pH is 5.50. What is the Ka of HX?
asked by Kelly 
math
sam's birthday cake was cut into 16pcs. after his party, 3 pcs. were left. what fraction of his cake was left? what fraction of his cake were eaten?
asked by nay 
Chemistry
Calculate the concentration of all species in a 0.240 solution.
asked by Anonymous 
geometry
The volumes of two similar solids are 1331 cubic meters and 27 cubic meters. The surface area of the larger one is 242 square meters. What is the surface area of the smaller one?
asked by Piggy 
math
rena bluestreak earned $12. She spent $8. what fractions of her earnings did she spend/ what fraction did they have left? the amount she spent is how many times as much as the amount she saved?
asked by Celest 
math
translate to an inequality. the average speed s, was between 80 and 100 mph. translation 80 s 100
asked by john 
Physics
You like to swim at a nearby lake. On one side of the lake is a cliff, and the top of the cliff is 36m above the surface of the lake. You dive off the cliff doing somersaults so as to have an angular speed of 6rev/min. How many revolutions do you make
asked by Amanda 
Science
Which of the following explains why a parachute makes a person falling from a great height fall more slowly? A)The parachute reduces the friction in the air. B)The parachute pulls upward, so the fall is slower. C) The parachute causes air resistance, which
asked by Mia 
Algebra
A boat's crew rowed 7.5 downstream,with the current, in 1.5 hours. The return trip upstream against the current,covered the same distance,but took 2.5 hours. Find the crew's rate in still water and the rate of the current.
asked by Anna 
math
what is the lateral surface area of a right hexagonal prism whose base is a regular hexagon with sides measuring 8 incheslong and altitude measuring 6 inches tall
asked by mary 
physics please help!!
A distant galaxy is simultaneously rotating and receding from the earth. As the drawing shows, the galactic center is receding from the earth at a relative speed of uG = 1.90 106 m/s. Relative to the center, the tangential speed is vT = 3.00 105 m/s for
asked by linds 
Physics
Consider a concave mirror with a focal length of 14.98 cm. a) Find the image distance when the object distance is 14.98 cm
asked by Angel 
Physics
An object accelerates uniformly from rest and covers 8m in 2 seconds. What is the distance covered in the third second?
asked by Allwell 
calculus
a solid lies between planes perpendicular to xaxis at x=0 and x=17,cross section perpendicular to axis interval 17 greater or equal x & x greater or equal 0 are squares of diagonals go from parabolas y=2x^(0.5) & y=2x^(0.5). find the volume of the solid
asked by Anonymous 
Business
Do you see the job of the nonprofit financial manager as getting easier or more difficult in the future?
asked by Alexis 
physics
A body of mass M1 collides elastically with another body of mass M2 at rest. After collision the velocity of M1becomes ¾ times of the velocity. Find the ratio of their masses
asked by pramod 
physics
A person exerts a horizontal force of F = 174 N in the test apparatus shown in the drawing. (h = 0.33 m.) Find the horizontal force M that his flexor muscle exerts on his forearm.
asked by Will 
MATH HELP PLEASE!
Graph these points. Angle DFG has vertices D (–2, 4), F (–3, 1), and G (–1, 2). Find the vertices of the image after the rotation of 180° about the origin.
asked by Izzy 
Chemistry
How many moles of oxygen molecules would be produced from the decomposition of 25moles of potassium trioxochlorate (v) ?
asked by Mikeshontel 
Chemistry
1. What is the pH of a solution whose [H3O+] is 1 X 10 5 M? 2. What is the [H3O+] concentration of a solution with a pH of 9? 3. What is the pH of a solution whose [H3O+] concentration is 3 X 103 M? 4. What is the pH of a solution with a [H3O+]
asked by John 
Science
While Carmen is at the park with her family, she walks up to a wishing well. She throws a penny down the well, and she hears a splash at the bottom. Which of the following best describes what happens as the penny falls? A)The force of gravity is equal to
asked by URGENT  HELP ME 
physics
jack gives 50 kg jill a ride on a sleigh for 500 meters. he exerts a force of 45 Newtons on the rope of the sled at an angle of 30 degrees. He pulls her at a constant velocity. What is the coefficient of friction between the sled and the ground? How much
asked by amy 
physics
Suppose that a police car on the highway is moving to the right at 26 m/s, while a speeder is coming up from almost directly behind at a speed of 37 m/s, both speeds being with respect to the ground. The police officer aims a radar gun at the speeder.
asked by linds 
physics
An 73kg bungee jumper is enjoying an afternoon of jumps. The jumper's first oscillation has an amplitude of 14 m and a period of 6 s. sprint constant is 80.1 n/m and max speed is 14.7 m/s. Treating the bungee cord as a spring with no damping, calculate
asked by please help 
Chemistry
The reaction between NO (nitric oxide) and oxygen is a key step in the formation of acid rain. O2(g) + 2NO(g) → 2NO2(g) A series of experiments were run, each of which starts with a different set of reactant concentrations. From each experiment an
asked by Roman 
physics
A small circular object with mass m and radius r has a moment of inertia given by I = cmr2. The object rolls without slipping along the track shown in the figure. The track ends with a ramp of height R = 3.0 m that launches the object vertically. The
asked by Adam 
Chem 2
Calculation in grams for a .100 M solution of NaC2H3O2 * 3H2O using a 100 mL volumetric flask?
asked by Emily 
statistics
Assume that a sample is used to estimate a population proportion p. Find the margin of error. 95% confidence; n = 250, x = 130
asked by Chris 
accounting
Bulldog Appliances uses the periodic inventory system. Details regarding the inventory of appliances at September 1, 2011, purchases invoices during the next 12 months, and the inventory count at August 31, 2012, are summarized as follows
asked by Anonymous 
English
1. What does he do when/after he gets on the bus? 2. He says hello to the driver and his friends. (Are the question and answer correct? Do we have to use 'when' or 'after' in this case?) 3. Is the fact that Venice doesn't have cars a problem?  Not at all.
asked by rfvv 
physics
1 junction of a thermocouple is kept in melting ice and the other in boilin H20.The readin of currnt on a micro ammeter is 96mA.The micro ammetr reads 60mA when the hot junction is immersed in hot H2O.Find the temperature of the hot H20
asked by Luc 
Dressmaking
The outer edges of a stand collar are A)larger B) 1/8 in.smaller C)cut on the bias D)the same
asked by Ayesha 
Physics
A box of mass m=1.5 kg is attached to a spring with force constant k=12 and suspended on a frictionless incline that makes a 30 degree angle with respect to the horizontal. With the spring in its unstretched length, the box is released from rest at x=0.
asked by Jake 
geometry
the scale factor of two similar polygons as 4:7. the perimeter of the smaller polygon is 320 centimeter what is the perimeter of the larger polygon
asked by joselynn 
Physics
How much thermal energy can you get out of a gallon of gasoline, and if all that energy could be transferred to the wheels how far could your car ideally go if the total force of friction it worked against at constant velocity was 2,200 Newtons
asked by Zach Thompson 
Intermediate Algebra
Convert this number to scientific notation 1,800,000
asked by sherry 
statistics
Mail security estimates that the average daily perstore theft is less than $250, but wants to determine accuracy of this statistic. The company researcher takes a sample of 81 clerks and finds that X =$260 and s=$20. a) Test at a=.05 b) Construct a 95%
asked by Diane 
Chemistry
A 2.5 L sample of gas at 25 degrees Celsius is heated to 50 degrees celcius at constant pressure. What would the volume be at 50 degrees celcius?
asked by Deana 
chemistry
Write the correct equation for the formation of a white precipitate on mixing together 10 mL each of 1 M calcium chloride, 1 M calcium bromide, 1 M calcium nitrate, 1 M sodium carbonate, 1 M potassium carbonate, and 1 M rubidium carbonate.
asked by liz 
Math
given f(x)=2/x2 +2 determine the equation of the vertical asymptote ' ' ' ' horizontal asymptote 2.find the coordinates of x intercept. 3.' ' ' y ' '. 4.sketch the graph of of f. 5.Determine the equations of the axes of symmetry of f(x)
asked by Anonymous 
Astro
Suppose you lived on a planet with the same radius as the Earth, but it had a density 2.99 times Earth's density. Your weight would be different on this planet. Find how much you would weigh on this planet divided by your weight on Earth
asked by John 
ACCOUNTING
On March 1, 2012, Enrique Company acquired real estate, on which it planned to construct a small office building, by paying $90,504 in cash. An old warehouse on the property was demolished at a cost of $7,646; the salvaged materials were sold for $1,633.
asked by Anonymous 
meanings
I was to make a word for creative arts class. Could you guess what my word means. I made it and it is supposed to be a challenge. What do you think "mudsul" means?
asked by i♥zee 
Intermediate Algebra
Use scientific notation to divide the following 2 numbers .Express the answer using scientific notation; retain at least3 decimal places (9.4*10^6)/(4.97*10^2)
asked by sherry 
Math
The fixed cost is $500,000 and the variable cost is $.50 per cd. The company sells each CD to record stores for $5. X represents the number of cds produced and sold. How many disks must be sold for the company to break even?
asked by Marie 
maths
If 2/5 of a number is 12. What is 1/10 of the number?
asked by srihita 
chemistry lab
Hi, so I did a lab on acids, bases, salts and buffer solutions. After measuring the pH for a .010 M HCl solution I got a pH of 2.50. After doing a calculated pH of .010 M of HCl the answers is 2. My question is why do you think my pH from the experimental
asked by maura 
Chemistry
What is the emperical formula of a compound that contains 0.04moles of sodium, 0.04moles of sulphur, and 0.06moles of oxygen?
asked by Allwell 
Trigonometry
A ladder that is 15 feet long is placed so that it reaches from level ground to the top of a vertical wall that is 13 feet high A. Use the law of sines to find the angle that the ladder makes with the ground to the nearest hundredth B. Is more than one
asked by Melissa 
Math
How do you rename a fraction? Like 2/9 in eighteenths
asked by Lisa 
physics
A halfopen pipe is constructed to produce a fundamental frequency of 224 Hz when the air temperature is 15 °C. It is used in an overheated building when the temperature is 38 °C. Neglecting thermal expansion in the pipe, what frequency will be heard?
asked by no idea 
Microbiology
What organic molecule is necessary to detect mixed acid fermentation by bacteria? (IMViC Tests)
asked by Amanda 
Calculus
At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 24 knots. How fast (in knots) is the distance between the ships changing at 3 PM?
asked by Reanna 
statistics
The Medical Rehabilitation Foundation reports that the average cost of rehabilitation for stroke victims is at least $24,500. To see if the average cost might be different at a particular hospital, a researcher selects a random number sample of 50 stroke
asked by Diane 
APUSH
Please check? 1. a 2.c 3. e 4. b 1. Before the civil war the south's slave labor force a. was a self reproducing population b. was generally unprofitable to the planter class c. was an inflexible labor system d. was employed exclusively in the cultivation
asked by Matt 
language arts
choose two phrases to form a sentence that correctly uses a word. a. forbearance is b. fervor is c. a belief that one cannot make mistakes d. a willingness to live and let live I think it is b and d, am I right?
asked by SoccerStar 
Spelling
a) the time to leave _ _ _ _ _ ture b) what is a base word for "communication"?
asked by Curly Sue 
Biology
List two ways bacteria and bluegreen bacteria differ. Any help would be appreciated. :)
asked by Kai :) 
Accounting1
Consider the following scenarios: (Please respond to each scenario) When we talk about "bad checks," are those always checks our customers have written to us? Explain. Would the company also write any bad checks and what are the repercussions for the same?
asked by Angie 
ie math
A right triangle has hypotenuse 8 and area 8. Find the perimeter? I think I have to apply Heron's formula to this question, but I don't know how to solve. Please help. Your help is very much appreciated!
asked by Dara 
statistics
Mail security estimates that the average daily perstore theft is less than $250, but wants to determine accuracy of this statistic. The company researcher takes a sample of 81 clerks and finds that X =$260 and s=$20. a) Test at a=.05 b) Construct a 95%
asked by Diane 
6th grade science
A factory is found to be polluting a stream high up in the Rocky Mountains. The factory owner says that this is not aproblem because the stream is very small. Why do you disagree/agree with the owner. I disagree. who gives a crap if the stream is small.
asked by i♥zee 
Math
The least integer of a set of consecutive integers is 25 if the sum of these integers is 26,how many integers are in this set?
asked by Kayla 
Calculus
The Regional Farm Bureau (RFB) is preparing a brochure that offers advice about constructing pens for small farm animals, and they want us to be their consultants. They need us to carefully analyze the following situations and provide a detailed report.
asked by Michael 
Business math
$50,000 loan at 9% for 7yrs. What would be the unpaid balance at the end of the 6th year?
asked by Carrie 
math
Complete in Metric Conversions: Estimate the gallons of paint needed to cover the outside of a cylindrical silo which is 30 feet in diameter and 70 feet high. Do not include any roof area. The paint covers approximately 150 square feet/gallon.
asked by Amy 
chemistry
Consider two noninteracting Fermions (halfinteger spin) confined in a “box” of length L. Construct the antisymmetric wave functions and compare the corresponding groundstate energies of two systems; one with particles of identical spin and the other
asked by arjun 
Chemistry
What is the likely source of error from reading a graph where the absorbance (yaxis) versus concentration (xaxis) shows nondeal behaviour. The graph is going in what looks like a line of best fit but then curves off a the end. At the end of the graph
asked by Ellen 
algebra
The yearly production of a 6 foot orange tree is 40 pounds of oranges. A 16 foot tree produces 65 pounds.? Let H represent the height of an orange tree and p the number of pounds of oranges produced. a). List the ordered pairs. (H.P) What is the ordered
asked by Brittani 
English
Writeacher, can you check these sentences, please? Thank you very much. 1) The Great Fire broke out in London in 1665. 2)London was hit by the Fire in ... 3) The Great Fire burst out (?) in London in.. 4)This accelerated a secret plan to bring in William
asked by Matthew 
math
Which of the following has the least value? 5.45 8.02 4.99 13.2
asked by destiny 
MathCorrections
Based on the survey,the librarian predicts that about twothirds of the students in seventh grade will not like the new encyclopedia.Is this answer reasonable? Answer i got:yes
asked by Zoe 
math
if 34 baby boys were born in a week and that was 54% how many girls were born in that week
asked by summer 
College physics
Consider the two situations. In the first a machine must pull a box up a rough slope at constant speed. The mass of the box is 800 kg, the coefficient of kinetic friction is 0.2, and the slope is inclined at 15 degrees to the horizontal. In the second
asked by Cody 
Physics
(True or False) The cables used to transfer electric energy from the generating station to the consumers must be of low resistance to reduce losses due to joule heating
asked by MM 
World History
Hi, I've been assigned a project where I'm playing the role of a history revionist that has to make a top ten list of the problems with bureaucracy in Qing Dynasty China. Also, this has to appeal to senior citizens somehow (that's my assigned audience).
asked by Isabel 
math
what polygon has 9 diagonals?
asked by candy 
poetry, please comment
My, My, Myy My, my, my The world running by Way too fast for your eye Could we slow it down Just to say good bye Or am i even justified Because of all the lies Can we slow it down Or will we just die? My, my, my I will miss my life as the days go by And
asked by i♥zee 
Chemistry
What is the density of CO2 at STP in g/L? How would I do this problem using dimensional analysis?
asked by Lindsey 
math
Complete in Metric Conversions: 24 kilometers to ____meters 172 flied ounces to ___gallons 1 bushel corn (56Lbs) to ____ kilograms 15 gallons to ___cubic feet. 4600 bushel corn at standard moisture to ___tons 0.5 cubic meters/second to ____gallons/minutes
asked by Amy 
Maaaaaaaath
the first three terms of an arithmetic sequence are x2;2x+6 and 4x8 respectively..determine.....(1)x (2) the 20th term (3) the sum of the first 20 terms of the sequence
asked by t.t 
biochem
I have 0.500ml of 3M ethanol and then I take 0.250ml of it and put it to 0.250ml of 0.06M phosphate buffer, what is the final concentration?
asked by trouble 
Chemistry
Calculate the change in PH when 6 ml of 0.1 M HCl is added to 100 ml of a buffer solution that is 0.1 M in NH3 and 0.1 M in NH4Cl. And calculate the change in PH when 6 ml of 0.1 M NaOH is added to the original buffer solution.
asked by Mima 
Math
Based on the data, of 40% Reading and 25% Math, Out of 240 students, how many would choose reading or math as their favorite subject?
asked by James 
Algebra
Two angles are complementary. The sum of the measure of the first angle and onefourth of the second angle is 57.75 degrees. Find the measure of the angles.
asked by Gordon 
geometry
The perimeter of . The extended ratio of the sides is 2:4:5. Find the lengths of the sides. It might help if you draw a picture.
asked by defy 
physics
Can anyone help me on this one???????The temperature at the bottom of Lake Tahoe in the Sierra Nevada Mountains of California is 4°C year round. In which country is water at the bottom of lakes normally higher than this? A) Russia.B) Great Britain.C) New
asked by Kristie 
Calculus
solve: Sin2x=Sinx
asked by Lauren 
English
Is this a correct sentence Be careful whom you tell.
asked by Beth 
Math
The sizes of four drill bits are 3/16inches 1/8inches 3/4inches 5/8inches. Put them in order from least to greatest?
asked by Diamond 
PLEASEEEEEEEEEEEEE HELP. (GEOMETRY)
A right triangle has hypotenuse 8 and area 8. Find the perimeter? I think I have to use Heron's Formula for this question. Please help & show work. Thank you very much. Your work is very much appreciated.
asked by My Name Is Bob 
Biochemistry
In one glass  100,0 mL 0,100M KOH solution, in other  100,mL 0,100M HNO2 solution. What is pH of solution, which was get when both solutions were mixed up (consider that V of forthcoming solution is sum of original solutions  200,0 ml)
asked by Anonymous 
math
Mr Thomas wants to carpet his bed room. The size of the bed room is 15 feet x 27 feet. The carpet sells for $8.95 per square yard,installed. How much will he have to spend to carpet the bed room?
asked by paul 
math(ms.sue)
15 is 30% of what number in percent? My answer is 4.5 am i right?
asked by miki 
Physics
What is the frequency of an electromagnetic wave if it has a wavelength of 1.4 km? The speed of light is 3 × 10 8 m
asked by Angel 
to soccerstar
thank you for the answer. are you a boy or girl. what age. we should be friends. you still didn't answer one more question the amount that she spent is how many times as much as the amount she saved?
asked by Celest 
Biology
What are the risk assessment if you went to a rock platform to compare the abundance of animal populations there?
asked by Ladelle<3 
Physical Science
What is the kinectic energy in joules of a 500kg automobile traveling at 45km/hr?
asked by Patience 
Social Studies
the first state constitutions adopted after independence? A.Placed most authority with the State governors B. provided for lengthy terms for elective offices C. placed most authority with the State legislatures D. extended voting rights to all adult state
asked by MM 
managerial statistics
student conduct a study and reported that 95% confidence intervak for themean ranged from 4654. He was surethat the mean of the sample was 50,that the standard deviation of the sample was 16and that the sample was atleast 30 but could not remember exact
asked by noela 
English
I left out a few sentences. Could you please check them? Thank you. 7) During William of Orange's reign a number of laws were introduced, which were to fix the course of modern Parliamentary England. The Bill of Rights established that no decisions could
asked by Matthew 
Math
A saleman took 1/2h to drive from Tuas to Bedok at an average speed of 72km/h.when he returned from Bedok to Tuas,he travelled at an average speed of 90km/h along the same road.how long did the salesman take to reach Tuas?
asked by Kimi 
physics
Essay on how accleration due to gravity is used to benefit mankind
asked by Audrey 
statistics
Jack’s ACT score is 30. Jason’s SAT score is 950. Who did better? The mean SAT score is 1000 with a standard deviation of 100 SAT points. The mean ACT score is 22 with a standard deviation of 3 ACT points
asked by Chris 
math
X2+11x=24
asked by lilly 
Stats for Psychology
Not sure how to rewrite this question: ht tp://img221. imageshack.us/ img221/601/question2. jpg Get rid of all the spaces to see image of question: Delete the space between ht and tp delete the space between 221. and imageshack delete the space between us/
asked by Arianna 
chemistry
which is the best salt to use to melt ice without any side effects
asked by reham 
Math
Which sample is more likely to be biased? Should big bend state park restrict the number of campers allowed on the grounds? a.70 randomly selected visitors to Big Bend State Park b.70 randomly selected campers at Yosemite National Park
asked by Zoe 
input output
input 2 output 5, input 5 output 11 what's the rule?
asked by Anonymous 
math
how do you put these fractions in order 1/4, 6/7, 3/5 from least to greatest
asked by tina 
physics
tommy builds a human sling shot that has an elastic constant of 4000 N/m. He puts his little sister in it and pulls it back for 5 meters. How much energy does his 25 kg sister have as she leaves the sling shot and how fast is she flying?
asked by grace 
physics
you drop a penny off the roof and it htis the water 4.2 seconds later, what is the height of the bridge?
asked by calley 
PHI 103
What kinds of questions and topics are not decided by logical analysis?
asked by Gloria 
Math
How do you simplify 0.05s^2 + 0.02s^2 + 0.03s(252/(s^2))(4)
asked by Labz 
math
Complete in Metric Conversions: The 7 inch diameter drive drum of a belt conveyor is turning at 130 rpm. What is the belt speed (ft/min) if there is no slip between the belt and drum?
asked by Amy 
math
Complete in Metric Conversions: A drainage system for a 40 acre field is designed to remove 3/8 inch of standing water from the entire field in 24 hours. What flow rate (gpm) must the drainage system achieve to meet the design specification? (283 gpm)
asked by Amy 
math
Complete in Metric Conversions: A mulch layer 2 inches thick is to be spread over a bed of landscape plants to prevent weed growth and preserve soil moisture. If the bed measures 8ft x 20ft, how many bags of mulch must you buy? Each bag contains 3 cubic
asked by Amy 
physics
normally warms up faster when heat is applied
asked by samantha 
Physics Energy
The block is released from rest on the frictionless ramp. It compresses the spring by 20cm before momentarily coming to rest. What is the initial distance d? k=200N/m m=3kg angle=300 degrees The diagrm looks something like this: (box is here) / / distance
asked by bobby 
Calculus
1. Which of the following sets of vectors spans [r^2] ? a) {(1,1), (2,2)} b) {(1,1), (1,2)} c) {(1,2), (1/2,2)} d) {(1,1), (1,1)} 2. Which of the following sets of vectors spans [r^3] ? a) {(1,1,1), (2,2,2)} b) {(1,3,1), (2,2,2)} c) {(1,2,1),
asked by Jake 
maths
I am a 2 digit number. Both my digits are even. I have an odd number of factors. What number am I?
asked by srihita 
5th grade Math
I have a review question that says: The formula for the circumference of a circle is C = pi x d, where d represents the circle's diameter. Which statementis correct? Would it be D? Wasn't sure if a diameter could have a decimal or fraction. A. the formula
asked by Brandi 
Physics
A block of mass m = 3 kg is attached to a spring (k = 28 N/m) by a rope that hangs over a pulley of mass M = 7 kg and radius R = 6 cm, as shown in the figure. Treating the pulley as a solid homogeneous disk, neglecting friction at the axle of the pulley,
asked by Angelina 
Calculus
I am bit of confused from this question. I have shown the work below and to subtract, am I supposed to be X2  X1, Y2Y1, Z2Z1? or X1X2, Y1Y2, Z1Z2?  A triangle has sides formed by the vectors PA=(2,7,3) and
asked by Jake 
Precalculus
how do you graph f(x)={2x+5 if x10 (the {'s is supposed to be one long one)
asked by Taylor 
Precalculus
how to graph f(x)={0.5x+5 if x
asked by Taylor 
Precalculus
how to graph f(x)={3x+2 if x
asked by Taylor 
~~~Math~~~~~~~~
Patrick invests a sum of money for 2.5 years at 12% p.a. compounded monthly. If he earns $11305 after 2.5 years, how much is his investment?
asked by Jessie 
Math
Mr Thomas took 2hr to drive from Tokyo to Osaka.He then took another 4hr to complete the remaining 2/3 of the journey to Fukushima.His average speed for the 210km long journey was 35km/h. 1. If he reached Osaka at 12:30,at what time did Mr Thomas arrive at
asked by Kimi 
Math
Jim has 400 ft of fence material and needs to enclose an area of 10,000 square feet for his garden as the diagram depicts. (The length of the house is 62 ft and the fence extends the same distance on either side of the house.) What must the dimensions of
asked by Andrew 
English
Can you please check these sentences, too? Thank you. 1) Unless you improve your handwriting I won’t check your next paragraphs. 2) Unlike Sissy, who is described as a blackhaired and blackeyed girl, Bitzer has a fair complexion, emphasized by the
asked by Matthew 
5th grade Math
Need to see if I have the answer correct on this review question. Which expression models the verbal description below? the number of markers, m, in 8 packages of markers. Would it be B? a. m + 8 b. 8m c. m divided by 8 d. m  8 Thanks..
asked by Brandi 
Math
In a maths class of 13 students, 2/3 of boys and 1/4 of the girls love maths. How many girls love maths
asked by kayode 
Math
Jillian must average at least 90 on two quiz scores before she can move to the next skill level. Jillian got a 92 on her first quiz. What scores could Jillian get on her second quiz in order to move to the next skill level? How could I answer this is an
asked by Anne 
Calculus
Find the volume of the solid formed when the area bounded by x^2y^2=9, y=x+5, and the x axis is rotated about x=1.
asked by Chris 
Trigonometry
Prove: sin(A+B)+sin(AB)/sin(A+B)sin(AB)=tanAcotB
asked by Anonymous 
chemistry
which is the best salt to use to melt ice without any side effects
asked by reham 
chemistry
FIND THE PH IF THE {H30Z+1) IS 6.2 X 1010 M
asked by KIM 
Math
Should the city build a homeless shelter downtown?Which sample is more likely to be biased? a.60 randomly selected downtown resturant customers b.60 randomly selected people at the post office
asked by Zoe 
English
what kind of sentence is this? Arabic numbers were being used for the first time the concept "0" was baffling to many they wondered how a zero could for standing.
asked by angel 
criminal justice
Which of the following is an ethical system that does not support using the individual as a means to an end
asked by lene 
6th grade science
can streams run underground. Can they start above ground and run nunderground. PLease help me, I am so so stuck.
asked by i♥zee 
chemistry
how does the addition of a nonvolatile solute affect the vapor pressure of the solvent into which it is dissolved?
asked by bob 
English
I still have to include the following sentences. I really hope you can help me check them. 1) All the commas in your paragraphs are set in place of periods. Divide your long sentences into shorter sentences consisting of subject, verb and complements. 2)
asked by Matthew 
math
Complete in Metric Conversions: What is the tip speed (ft/min) of a 21 inch long rotary lawn mower blade that is connected to the output shaft of an engine operating at 3400 rpm?
asked by Amy 
PHI 103
Explain what logic can and cannot do?
asked by Gloria 
Intermediate Algebra
State an equation that represent this situation. Mary invested one amount at 3% simple interest and a second amount at 9% interest ,earning $43.92 in one year.If she would have switched the amounts she would have earned $35.00.What were the 2 amounts?
asked by sherry 
English  ms. sue
ms. sue u be able help me with my english questions?
asked by Mohammad 
Log help
If a^3 + 3ab(a+b+3)+b^3 = 10ab, show that log (a+b)=1/3(log a + log b). Please show step by step. Thank you!
asked by Anonymous 
Spelling
Can anyone tell me the meaning of the word bade? Example for this sentence:The next morning John got up early and bade Rover goodbye.
asked by Connor 
devry
What should you consider when searching for useful sources?
asked by evette brown 
com 156
What websites do you normally frequent? Are these websites credible? When is credibility more important and when is it less important? Support your answers with specific examples.
asked by evette brown 
physics
A Hg thermomtr is calibrated by immersing it in melting ice and thn in boiling H20.The column of the Hg is respctively 2.9cm &29cm.Find the temperature whn the column is 10cm long
asked by Luc 
Civics
Is a trial of impeachment held with or without a jury? How about treaties? And murder?
asked by Anna 
Calculus
I am bit of confused from this question. I have shown the work below and to subtract, am I supposed to be X2  X1, Y2Y1, Z2Z1? or X1X2, Y1Y2, Z1Z2?  A triangle has sides formed by the vectors PA=(2,7,3) and
asked by Jake 
Math 141
You find that a small business loan in the amount of 50,000 is the amount you need to purchase the restaurant location. After researching banks to find the best interest rate, you find that banks for small businesses offer the best interest rate of 9%
asked by Sherry 
written analysis
In weeks 1 and 2, via your introduction to the critical thinking process, you are briefly introduced to some of the most powerful and complex questions humans have ever asked: What is truth? What is knowledge? How do you know what you know? In this
asked by yosiel 
simple subject
What is the simple subject in: The black and white Schnauzer barked all day long.
asked by D 
writing analysis
debate between proponents of intelligent design and evolution. i need an assay of 2 pages about those subject intelligent design and evolution
asked by yosiel 
discrete math
The canonical representative of15^11 mod3337
asked by Anonymous 
taft
2235 pages read per day about how many days will it take to read 90 pages
asked by post 
physics
absolute zero is the same as
asked by shanna 
Hi
The interests of the West were satisfied by neither the Jeffersonians nor the Federalists between 1789 and 1815. I'm supposed to write a paragraph about it, but I don't understand what it is asking...
asked by Lala 
math
what is 3/8, 1/4, 3/4 in order from least to greatest
asked by stacy 
PHI 103
Explain what advantages we obtain by studying logic in terms of improving our reasoning.
asked by Gloria 
math
Complete in Metric Conversions: A 12 food wide fertilizer spreader drops 45 pounds of fertilizer while traveling 625 feet. What is the fertilizer application rate in pounds/acre?
asked by Amy 
math
Complete in Metric Conversions: How many pounds of water are in a 36 ft diameter tank that is filled to a depth of 24 ft.
asked by Amy 
math
Complete in Metric Conversions: A lawn sprinkler covers a rectangular pattern of 20ft x 30ft. if the flow rate of the sprinkler is 2.5 gpm, derive a formula for calculating the time (hours) to apply D inches of water over one 20ft x 30ft area. What are the
asked by Amy 
math
find the lateral surface area of a right triangular prism if its altitude is five inches and its base is an isoceles right triangle with hypotenuse of length 10 inches
asked by mary 
English
What are some of the major themes in the book "writing on my forehead" by Nafisa Haji?
asked by Labz 
math
Complete in Metric Conversions: 6000 kg to ___ tonnes (metric tons) 6000 kg to ___tons 1 acreft of water to ___gallons 32 psi to ___kpa 10 psfito ___ oz/in^2
asked by Amy 
Physics, Energy
The block is released from rest on the frictionless ramp. It compresses the spring by 20cm before momentarily coming to rest. What is the initial distance d? k=200N/m m=3kg angle=300 degrees The picture looks somewhat like this : (box is here) / / (spring
asked by bobby 
programming
1.which of the following statements allows many branches or alternatives paths? A.IFTHEN; B.ONGOTO; C. GOTO; D. all of the above. 2.The system command  is used to tell the computer to execute the program A.LIST B.EXECUTE C.END D.RUN 3. notation
asked by patricia 
math
a survey of 50 people in Nj, 10 of them know the mayor's name in their neighboring city. Out of 5,500 residents how many would you predict know the name of the mayor of the neighboring city?
asked by 6th grader 
Intermediate Algebra
simplify the follwing expression in terms of i , the squareroot of 16
asked by sherry 
math help!!
1/x+2 + 1/X+4 =1 Solve by using quadratic formula.
asked by 11th grade 
math
Ms. Woods painted 174 watercolor pictures. Each painting took about 11 hours to finish. Which could be the total number of hours it took Ms. Woods to paint all 174 pictures?
asked by destiny 
written analysis
debate between proponents of intelligent design and evolution. i need an assy of 2 pages about intelligent design and evolution
asked by yosiel 
Math Problem
please help simplify Multiply (6x+1)(7x^2+5x+4)
asked by Lavern 
Intermediate Algebra
Multiply the expression and simplify (6x^4y^4)*(2x^4)
asked by sherry 
Statistcs
Assume that a ramdom sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confinence level. n=550, x=165, 95% confindence
asked by Robyn 
History
Why is the War of 1812 called the second war of independence? I have b/c it was fought against the same country and it made the U.S independent and more respected. I need more, help please!
asked by Lala 
directions
can sombody explain to me step by step how to drive to mast charter school?
asked by ilandra 
math
the perimeter of a room is 45 yards and the area is 120 square yards. what would be the perimeter and the area of the room on a scale drawing with the scale of 3 feet to 1 yard?
asked by Taylor 
Dress code
What are some cons about dress codes?
asked by Ness 
math
Complete in Metric Conversions: A dozer is traveling at 5 miles per hour. How many seconds will it take to travel 160 feet?
asked by Amy 
math
what might you have if you don't feel well?
asked by anna 
Intermediate Algebra
A dehydrated patient needs a 6.4% saline IV.Unfortunately the hospital only has bags of 6% and 8% saline solutions.How many liters of each of these solutions should be mixed together to yield 1 liter of the desired concentration?
asked by sherry 
to soccerstar
can you explain to me why its 2 times as much
asked by Celest 
chem
while measuring the effect of a catalyst on the reaction rate of two reactants , why would a chemist control the temperature,pressure and concentration of two reactants?
asked by hello 
buckley
xintercept 4:y  intercept 2 write an equation in slope  intercept form
asked by jenny 
science
A plane is flying at an angle of 20 N of east 230 m/s. what is the component of its velocity in the northward direction?
asked by pali 
Precalculus
what is the domain of f[g(x)]? A.all the elements x in the domain of g for which g(x) is in the domain of f B.the range of x
asked by Taylor 
URGENT math
(x1)(x+3)6=0 Solve by quadratic formula.
asked by cla 
economies
Identify the growth form 1950 to 2001 in volume of world exports. Explain the reasons why this occurred
asked by MM 
MATH
The series 2(3a1) + 2(3a1)^2 + 2(3a1)^3...Is given for wich values of a will the series converges?
asked by T.T 
math
[(11 ∙ 4. + 6] (mod 8)
asked by Tela 
American Government
Who has to run for reelecition every two years?
asked by Jess 
physical science
absolute zero is the same as
asked by samantha