# suppose a map is scaled so that a half inch represents 25 miles. how many inches of the map represents 87 1/2 miles?

35,906 questions, page 280-
## math

Suppose that drilling into what was once a lake bottom produces a piece of wood which, according to its mass, would have contained 5 nanograms (5 billionths of a gram) of carbon-14 when the wood was alive. Use the fact that this radioactive carbon decays

*asked by Anonymous on September 13, 2011* -
## Chemistry

Suppose that coal of density 1.5g/cm3 is pure carbon. The combustion of carbon is described by the equation C+O2---> CO2 ∆H◦ = −394 kJ What is the value of q (heat) a ump of coal the size of 7.5cm*7cm*6.5cm is burned? answer in kJ what mass of water

*asked by Susan on May 21, 2014* -
## Statistics and Probability

A ticket in a typical lottery like Lotto 6/49 is usually $2. The probability of winning Lotto 6/49 is 1 in 13,983,816. The payoffs (jackpots) are usually in excess of $1 million. Suppose that you buy one ticket for $2 and the jackpot is $1 million. What is

*asked by Kevin on September 29, 2017* -
## physics

Consider a carwith front cross-sectional area of A=(1.77 ± 0.02)m^2 and a drag coefficient of C=(0.38±-0.02) moving with a speed of v=(10.0±0.5)m/s. Suppose that the density of air is p=1.20 kg/m^3 at the sea level. 1.Calculate the force F=(1/2)CApv^2

*asked by NONEE on September 26, 2015* -
## Physics

Suppose a gust of wind has carried a 52-μm-diameter dust particle to a height of 340 m. If the wind suddenly stops, how long will it take the dust particle to settle back to the ground? Dust has a density of 2700 kg/m^3, the viscosity of 25∘C air is

*asked by jose on March 5, 2019* -
## Statistics

Suppose a certain species bird has an average weight ofx=3.55 grams. Based on previous studies, we can assume that the weights of these birds have a normal distribution with 0=0.37 grams. For a small group of 15 birds, find the margin of error for a 70%

*asked by Jacob on June 17, 2010* -
## Physics

A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above the knee in the front of her leg. Suppose she produces an angular acceleration of 28.5 rad/s2 and her lower leg has a moment of inertia of 0.7 kg⋅m2. What

*asked by Kate on October 19, 2014* -
## Elements of Psychology

I need help on these questions. My answers have the < by them 1. In a typical neuron, sheaths of fatty tissue called _______ surround the axon. A. terminals C. synapse B. dendrites D. myelin

*asked by Natasha on September 16, 2010* -
## crt

Can someone check these answers for me? I have to identify which examples are vague and ambuiguity. Areas that were vague was the following : “For instance, in 1998, medical expenses due to obesity accounted for 9.1 percent of total U.S. medical

*asked by Kim on July 16, 2009* -
## Math

A scale model of a house is 1 foot long. The actual house is 50 feet long. In the model, the window is 1 1/5 inches high. How many feet high is the actual window?

*asked by John on February 6, 2012* -
## Algebra

Suppose the estimated quadratic model Yt = 500 + 20 t - t2 is the best-fitting trend of sales of XYZ Inc. using data for the past twenty years (t = 1, 2,.., 20). Which statement is incorrect? A. The trend was higher in year 10 than in year 20. B. Latest

*asked by BC on August 30, 2010* -
## physics spring

A glider on an air track is connected by springs to either end of the track. Both springs have the same spring constant,k , and the glider has mass M. A)Determine the frequency of the oscillation, assuming no damping, if k= 125N/m and M= 250g. (I got the

*asked by annie on May 21, 2009* -
## payroll

An employee's rate of pay is $40.00 per hour, with time and a half for all hours worked in excess of 40 during a week. The following data are available: Allowances claimed on W-4 4 Allowance amount allowed:$70 ea. Hours worked this week 50 Y T D Earnings

*asked by jim on July 1, 2012* -
## Chemistry 111

a)For the titration of an acid analyte with a NaOH titrant, a phenolphthalein endpoint will change from colorless to pink. If the "pink" resulted from perhaps only a half-drop(or less) of NaOH titrant and the Erlenmeyer flask is set aside on the laboratory

*asked by Alix on April 5, 2011* -
## Art

What is the symbolism behind the eye at the top of the pyramid on a United States dollar, and what does this image say about America's national identity? A. The eye represent God's clarity and America's identity as a nation protected by God. B. The eye

*asked by CanYouHelpMe on March 14, 2017* -
## chemistry - Dr.Bob222 please help

Hi Everyone, Anyone want to try giving these a shot? The right electrode in a cell is a piece of copper immersed in a 1.00 L solution of 0.0701 F copper sulfate. The left electrode is a galvanized nail (i.e., an iron nail that is completely coated with a

*asked by ajones51 on November 7, 2006* -
## Math

Suppose you draw a card from an ordinary deck of playing cards What are the odds in favor of drawing a face card? b. What are the odds against drawing a face card?

*asked by kim on October 7, 2015* -
## Math

The price of gas went up by 0.5% last month. Suppose gas currently costs $2.44 a gallon. If the price of gas continues to increase at this rate. What will it cost one year from now? When will it cost $5 a gallon?

*asked by April on January 6, 2016* -
## Algebra 2

The price of gas went up by 0.5% last month. Suppose gas currently costs $2.44 a gallon. If the price of gas continues to increase at this rate... What will it cost one year from now? When will it cost $5 a gallon.

*asked by June on January 5, 2016* -
## Biology

Suppose that black hamsters were found to be 70% of the population and the gray hamsters 30% of the population. Calculate the percentage of BB, Bb, and bb hamsters in the next generation. - I don't know how to calculate the percentage of the genotypes.

*asked by Aria on March 26, 2012* -
## clalc

Suppose h(x) = f (g(x)) and the graphs of f and g are shown below. Describe the continuity of h at x = 0. how would you do this if you were given two graphs: F--- discontinuity at -2,0; point at -1,1; and point at 0,0 (to make a parabola) then

*asked by lisa on February 6, 2014* -
## math

suppose an arithmetic sequence and a geometric sequence with common ration r have the same first two terms. show that the third term of the geometric series is r^2/(2r-1) tomes the third term of the arithmetic sequence

*asked by isa on February 17, 2009* -
## economics

Suppose that the CPI in year five equals 123 and in year 6 equals 130. What was the inflation rate in year 6? Thank you, Megan 130/123 = 1.057 Ergo, 5.7%

*asked by Megan on July 10, 2006* -
## Math

Suppose you find the ratio of the lengths of adjacent sides in a parallelogram. This ratio is equivalent to the ratio of the adjacent sides in another parallelogram. Are the figures similar? Explain.

*asked by Stephanie on February 9, 2015* -
## Statistics

A sample survey interviews an SRS of 115 college women. Suppose that 68% of all college women have been on a diet within the last 12 months. What is the probability that 76% or more of the women in the sample have been on a diet?

*asked by mathhelpplease on July 31, 2015* -
## Algebra

Suppose that x liters of 40% acid solution are mixed with y liters of a 43% solution to obtain 100 L of a 41% solution. One equation in a system for solving this problem is x + y = 100. What is the other equation?

*asked by Jon on March 5, 2013* -
## physics

A truck loaded with cannonball watermelons stops suddenly to avoid running over the edge of a washed-out bridge (see figure). The quick stop causes a number of melons to fly off the truck. One melon rolls over the edge with an initial speed vi = 12.0 m/s

*asked by Anonymous on February 16, 2011* -
## Algebra (test corrections)

This problem was on a test and I got it wrong, and if I do it over I get half the credit back, but I need help with it plz. (11x^2+2x^3+14+17x)/(2x+5) My algebra teacher didn't even go over this lesson (we skipped it) and it was on the test. She says it's

*asked by Emily on March 12, 2007* -
## physics

A truck loaded with cannonball watermelons stops suddenly to avoid running over the edge of a washed-out bridge (see figure). The quick stop causes a number of melons to fly off the truck. One melon rolls over the edge with an initial speed vi = 12.0 m/s

*asked by Anonymous on February 18, 2011* -
## Algebra 2 please help!

The air resistance R(in pounds) on a racing cyclist is given by the equation R=0.00829s^2 where s is the bicycle's speed (in miles per hour). a. What is the speed of a racing cyclist who experiences 5 pounds of air resistance? b. What happens to the air

*asked by Kylee on September 16, 2013* -
## Algebra 2

The air resistance R(in pounds) on a racing cyclist is given by the equation R=0.00829s^2 where s is the bicycle's speed (in miles per hour). a. What is the speed of a racing cyclist who experiences 5 pounds of air resistance? b. What happens to the air

*asked by Kylee on September 15, 2013* -
## Algabra 2

An airplane cruises northeast at a steady rate. Its speed can be broken down into two components:320 miles per hour due north and 40 milers per hour due north be the direction of the positive y-axis and let due east be the direction of the positive x-axis.

*asked by Raygan on December 19, 2011* -
## Physics (please check)

Please let me know if my answers are not correct/not thorough enough. 1) Q:What happens when the number of loops in the armature of a generator is increased? 1) A:More loops= more voltage _________________________ 2) Q: Why does a piece of iron behave like

*asked by BAdams on June 4, 2008* -
## History!

***IGNORE THE CHARTS/GRAPH QUESTIONS!! UNLESS YOU KNOW THE ANSWER OR HAVE SEEN THE CHARTS! THANKS!! :) *** For whom was South Carolina named? (1 point) Queen Caroline King Charles I**** King Charles II Queen Elizabeth 2. What is an important reason to

*asked by marie on October 1, 2013* -
## statistics

According to a survey, 21% of motorists in a large city are uninsured. Suppose that currently 21% of all motorists in this city are uninsured. Two motorists are selected at random from this city. Let x denote the number of motorists in this sample of two

*asked by Anonymous on October 10, 2016* -
## Chemistry

Ok this is my last hope, I totally don't get this question. Suppose you have one beaker of H2O at a certain mass and temperature and another beaker of H2O at a different mass and temperature. You then pour these two beakers into one separate beaker. How do

*asked by John on January 27, 2011* -
## physics

An electron and a proton have charges of opposite sign, but the magnitude of their charges has the same value of 1.60 10-19 C. Suppose the electron and proton in a hydrogen atom are separated by a distance of 4.30 10-11 m. What are the magnitude and

*asked by iowa on March 29, 2017* -
## Math

A certain medicine is given in the amount proportional to a patient's body weight. Suppose a patient weighing 164 pounds requires a 205 milligram of medicine. What is the weight of a patient who requires 173.75 milligrams of medicine?

*asked by Aneles on June 30, 2016* -
## physics

Two charges q1 = 2e and q2 = - 4e are placed on the x-axis at points (0; 0) and (a; 0) respectively. (a) What is the magnitude and direction of the electrostatic force on q2 due to q1? (b) Suppose a third charge q3 = -e is introduced at the location (b; 0)

*asked by Mon on June 15, 2017* -
## Physics

Suppose 11.0 g of ice at -10.0∘C is placed into 300.0 g of water in a 200.0-g copper calorimeter. The final temperature of the water and copper calorimeter is 18.0∘C. 1)What was the initial common temperature of the water and copper? (Express your

*asked by yo on May 2, 2017* -
## BioChem

1.Suppose you had a buffer containing 0.5 moles of sodium monobasic phosphate and 0.5 moles of sodium dibasic phosphate. How many moles of hydrochloric acid would this phosphate buffer be able to accept before the pH of the solution began to change

*asked by Zaac on September 4, 2015* -
## Economics

Suppose the bottle water industry is competitive. If a bottle of water supplied by the typical firm has an ATC of 20 cents and the market price if 30 cents, is the bottle water industry in long run equilibrium?

*asked by Mona on December 10, 2012* -
## Statistics Question

I have two questions related to moment generating functions. I can't find any sort of examples or explanations in my book... 1) Calculate P(X

*asked by Jillian on November 24, 2007* -
## Chemistry

One of the largest diamonds ever found, weighing 0.621 kg, was discovered in South Africa in 1905. The carbon alloptropes graphite and diamond have densities of 2267 and 3515 kg/m3 respectively. At a temperature of 1700K and a pressure of 12.0 x 109

*asked by TS on August 23, 2018* -
## math

One of the guest rooms in my house has two walls that are 15'6" by 8 ft, and two that are 12'3" by 8 ft. When buying paint for the walls, I estimated the wall area to be about 450 sq. ft. Find my percent area. First I need to find the total area of the

*asked by Carly on August 11, 2018* -
## biology

Mutant C: Suppose an A/T base pair was inserted in between the two G/C base pairs at positions 18 and 19, marked by the letters above and below the strands. What would the amino acid sequence of the resulting protein be? Be sure to enter the sequence N- to

*asked by juanpro on November 18, 2013* -
## biology

Mutant C: Suppose an A/T base pair was inserted in between the two G/C base pairs at positions 18 and 19, marked by the letters above and below the strands. What would the amino acid sequence of the resulting protein be? Be sure to enter the sequence N- to

*asked by juanpro on November 18, 2013* -
## Math- Statistics

An epidemiologist is planning a study on the prevalence of oral contracep- tive use in a certain population. She plans to choose a random sample of n women and to sue the sample proportion of oral contraceptive users (pˆ) as an estimate of the population

*asked by Needs Help on May 4, 2014* -
## Algebra

Suppose you have a friend named Ed. He and his four friends are having ice cream. There are only three flavors available at the ice cream store they are visiting: chocolate, vanilla, and strawberry. One of Ed’s friends, Stacey, eats chocolate

*asked by Stacy on September 29, 2009* -
## Trig

Suppose you would like to cross a 209-foot wide river in a boat. Assume that the boat can travel 32 mph relative to the water and that the current is flowing west at the rate of 6 mph. If the bearing chosen is chosen so that the boat will land at a point

*asked by Adam on November 18, 2012* -
## physics

The largest-caliber antiaircraft gun operated by the German air force during World War II was the 12.8 cm Flak 40. Suppose this weapon fired a 26.2 kg shell with a muzzle speed of 800 m/s. What propulsive force was necessary to attain the muzzle speed

*asked by Dan on January 6, 2013* -
## Chemistry

Sorry for postiong twice. But I really need to know if the answers I am getting are correct; Nitrogen and oxygen react to produce nitric oxide according to the following equation: N2 (g) + O2 (g) → 2 NO (g) The equilibrium constant for this reaction is

*asked by John on March 10, 2018* -
## chemistry

the isotope caesium-137 has a half life of 30 years how long will it take for the amount of this isotope in a sample of caesium to decay to 1/16th of its origional amount. thanks amountremaining=oriinalamount(1/2)^time/timehalflife. 1/16= (1/2)^t/30

*asked by notty on March 14, 2007* -
## Math

The diameter of a car's tire is 52 cm. While the car is being driven, the tire picks up a nail. How high above the ground will the nail be after the car has travelled 0.1 km? It also asked me to graph this information. So I created a periodic graph that

*asked by Allison on December 12, 2010* -
## Algebra

Need help with these: [Can you show me the work for them please, if needed?] 3. Simplify (4x)(-2y) Is the answer -8xy? 5. To which set of numbers does 7.543 belong? a. rational b. irrational c. integer ? 8. Write an algebraic expression for one-half a

*asked by mysterychicken on March 30, 2010* -
## Elasticity (Physics)

A tunnel of length L=150m, height H=7.2m, and width w=5.8m (with a flat roof) is to be constructed at a distance d=60m beneath the ground. The tunnel roof is be entirely supported by square steel columns, each with a cross sectional area of 960 cm^2. The

*asked by David on September 9, 2009* -
## economics

Ever Kleen Pool Services provides weekly swimming pool maintenance in Atlanta. Dozens of firms provide this service. The service is standardized;each company cleans the pool and maintains the proper levels of chemicals in the water. The service is

*asked by Anonymous on August 8, 2010* -
## physics

Suppose a car is traveling at +22.3 m/s, and the driver sees a traffic light turn red. After 0.351 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 8.00 m/s2. What is the stopping distance of the car, as measured

*asked by Julie on September 11, 2013* -
## physics

Suppose a car is traveling at +23.8 m/s, and the driver sees a traffic light turn red. After 0.351 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 7.00 m/s2. What is the stopping distance of the car, as measured

*asked by gabe on September 6, 2012* -
## Chemistry 101

Sulfuric acid dissolves aluminum metal according to the following reaction: 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 14.9g .What minimum mass of H2SO4 would you need? What mass of H2 gas would

*asked by Sarah on February 24, 2015* -
## physics

Suppose a car is traveling at 17.0 m/s, and the driver sees a traffic light turn red. After 0.570 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 9.00 m/s2. What is the stopping distance of the car, as measured

*asked by Mi26 on January 26, 2012* -
## Chemistry I - University Level

Suppose 5.87 g of barium acetate is dissolved in 300. mL of a 71.0 m M aqueous solution of sodium chromate. calculate the final molarity of barium cation in the solution. You can assume the volume of the solution doesn't change when the barium acetate is

*asked by Jessica on September 27, 2015* -
## physics

Suppose a car is traveling at +15.0 m/s, and the driver sees a traffic light turn red. After 0.405 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 6.00 m/s2. What is the stopping distance of the car, as measured

*asked by sarah on August 7, 2015* -
## physics

Suppose a car is traveling at +24.1 m/s, and the driver sees a traffic light turn red. After 0.366 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 8.00 m/s2. What is the stopping distance of the car, as measured

*asked by louis aaaaa on June 16, 2013* -
## physics

Suppose a car is traveling at +22.3 m/s, and the driver sees a traffic light turn red. After 0.351 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 8.00 m/s2. What is the stopping distance of the car, as measured

*asked by Julie on September 11, 2013* -
## chemistry 105

Sulfuric acid dissolves aluminum metal according to the following reaction: 2Al(s)+3H2SO4(aq)-->Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 14.7 g. What minimum mass of H2SO4(in g) would you need? What mass of H2

*asked by julie on October 10, 2011* -
## More chemistry

Hey jiskha. Microwave ovens emit microwave radiation that is absorbed by water. The absorbed radiation is converted to heat that is transferred to other components of the food. Suppose that the microwave radiation has a wavelength of 12.7 cm. How many

*asked by Alex on November 14, 2010* -
## physics

Suppose a car is traveling at +25.0 m/s, and the driver sees a traffic light turn red. After 0.564 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 4.00 m/s2. What is the stopping distance of the car, as measured

*asked by Anonymous on January 29, 2015* -
## Physics

Suppose a car is traveling at +22.0 m/s, and the driver sees a traffic light turn red. After 0.560 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 4.00 m/s2. What is the stopping distance of the car, as measured

*asked by WR on August 31, 2013* -
## physics

Suppose a car is traveling at +22.3 m/s, and the driver sees a traffic light turn red. After 0.351 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 8.00 m/s2. What is the stopping distance of the car, as measured

*asked by Julie on September 11, 2013* -
## physics

Suppose a car is traveling at +20.7 m/s, and the driver sees a traffic light turn red. After 0.314 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 5.00 m/s2. What is the stopping distance of the car, as measured

*asked by dre on June 18, 2013* -
## Physics

Suppose a car is traveling at 14.0 m/s, and the driver sees a traffic light turn red. After 0.500 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 5.00 m/s2. What is the stopping distance of the car, as measured

*asked by Anonymous on January 31, 2012* -
## Physics

Suppose a car is traveling at +24.8 m/s, and the driver sees a traffic light turn red. After 0.372 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 6.00 m/s2. What is the stopping distance of the car, as measured

*asked by StressedStudent on September 11, 2012* -
## Probability and statistic

Suppose the counts recorded by a Geiger counter follow a Poisson process with an average of two counts per minute. Round the answers to 3 decimal places. (a) What is the probability that there are no counts in a 30-second interval? (b) What is the

*asked by Maria on July 1, 2016* -
## Physics

The rolling resistance for steel on steel is quite low; the coefficient of rolling friction is typically μr=0.002. Suppose a 180,000 kg locomotive is rolling at 19 m/s on level rails. A) If the engineer disengages the engine, how much time will it take

*asked by Elias on November 12, 2017* -
## Chemistry!

Hey jiskha. Microwave ovens emit microwave radiation that is absorbed by water. The absorbed radiation is converted to heat that is transferred to other components of the food. Suppose that the microwave radiation has a wavelength of 12.7 cm. How many

*asked by Alex on November 14, 2010* -
## Physics please i really need help

Suppose a car is traveling at +23.7 m/s, and the driver sees a traffic light turn red. After 0.427 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 9.00 m/s2. What is the stopping distance of the car, as measured

*asked by Erica on February 1, 2016* -
## Pre algebra

Which detail is in the play "Joe magarac" and the "hunkietown contest" that is not in the short story "Joe magarac, man of steel"? A. Mary helplessly watches as the contestant from Johnstown lifts 850-pounds weight. B. The man from Johnstown grabs Mary and

*asked by just that girl on May 1, 2017* -
## 7th grade math

A restaurant donates 2 cans of soup to charity for every 9 bowls of soup it sells. The number of cans of soup donated by the restaurant is proportional to the total number of bowls of soup sold. Which equation represents the relationship between b, the

*asked by Liz on March 29, 2013* -
## math

so school is starting again .0. Could I be walked through a few practice questions? I've forgotten everything over the summer and a refresher would be nice. I'm not looking for answers, just some help/pointers! 1. Solve for x. |2x - 4| >10 (for this one

*asked by Gina on September 6, 2017* -
## physics

A spherically symmetric object, with radius R = 0.50 m and mass M = 1.3 kg, rolls without slipping across a horizontal floor, with velocity V = 2.1 m/s. It then rolls up an incline with an angle of inclination θ = 25° and comes to rest a distance d = 3.0

*asked by Katie on March 21, 2012* -
## French

Hi there, can you please see if i have translated the following text correctly into english. Thank you. 1.)For my final evaluation, I researched on a francophone country. -Pour ma evaluation finale, j'ai recherché sur un pays de la francophonie. 2.) The

*asked by Sabrina on January 18, 2009* -
## Math

Last will of an eccentric lady reads: I bequest $1000 less then one half of my estate to my beloved red cat. I bequest $800 less then one third of my estate to my favorite striped cat. I bequest $600 less then one quarter of my estate to my darling black

*asked by Jay on May 8, 2014* -
## statistics

Part 1) A physical therapists wishes to determine whether an exercise program increases flexibility. He measures the flexibility (in inches) of 12 randomly selected subjects both before and after an intensive eight-week training program and obtains the

*asked by Rob on March 7, 2011* -
## math

A roasted turkey is taken from an oven when its temperature has reached 185°F and is placed on a table in a room where the temperature is 53°F (a) If the temperature of the turkey is 150°F after half an hour, what is its temperature after 45 min? (Round

*asked by Help! VERY URGENT! on September 27, 2012* -
## math

lmagine an equilateral triangle and a square. The triangle has sides of 10 m and the square has sides of 15 m. One ant walks completely round the triangle twice and a beetle which walks two and a half times as fast starts walking at the same time around

*asked by BRYAN on January 12, 2014* -
## math

Write an explicit formula for the sequence one-half, three-sevenths, one-third, five-nineteenths, three-fourteenths, ... Then find a14. (1 point) an = an – 1 – n minus one over seven n; fifteeen over one hundred nintey nine an = a sub n plus one over n

*asked by paige on February 26, 2013* -
## pre-calc

A roasted turkey is taken from an oven when its temperature has reached 185°F and is placed on a table in a room where the temperature is 53°F (a) If the temperature of the turkey is 150°F after half an hour, what is its temperature after 45 min? (Round

*asked by Ms. Sue please help! on September 27, 2012* -
## math

There is a jar of jelly beans, Dad was hungry so he ate half. Brother wanted some too, so he ate a third, Mom saw brother eating some and ate a fourth. Mom gave 6 to Sister and gave 3 to Grandma. How many Jelly beans were in the jar originally? Justify

*asked by Liam on December 14, 2015* -
## math

A conical tank sits point down, at ground level, so that the circular top of the tank is parallel to the ground. The tank is 5.0 meters tall, and the top of the tank has a diameter of 3.0 meters. The tank is half full of water. What is the water level

*asked by some kid on September 15, 2009* -
## math

The value of a new car decreases exponentially.Suppose your mother buys a new car for 22,000. The value of the car decreases by 20% each year. a.what is the initial price of the car. The decay factor. b. write an equation to model the value of the cars

*asked by john on October 14, 2012* -
## math

the base of an isosceles triangle is half as long as side of a square.Each of the legs of triangle is twice as long as a side of the square.How long is each side of the triangle if the sum of the perimeters is 34 m.

*asked by patrick on November 24, 2015* -
## chemistry - equilibrium Help

you observed that very little corrosion occurred on the nail immersed in NaOH(aq) solution. This observation is difficult to explain from an electrochemistry perspective since electrochemistry principles predict a spontaneous reaction that should cause

*asked by Tara on November 12, 2012* -
## Accounting

a. IPC purchases real estate in prime locations where an existing theatre chain does not adequately serve the market. After purchasing the real estate, IPC engages a contractor to build a theatre complex. During fiscal 2009, IPC received a $2,000,000

*asked by Rhea on April 18, 2011* -
## Chemistry 110

3. Suppose that part (II) of the experiment were carried out with aqueous NaOH instead of Ba(OH)2 to form soluble Na2SO4 along with H2O as products. (a) Write the overall balanced equation. (b) Write the net ionic equation. (c) How would the graph of

*asked by kim k on November 9, 2010* -
## Statstics

According to a survey by Topez Enterprises, a travel auditing company the avg error by travel agent is 128. suppose this figure was obtained from random sample of 41 travel agent & standard dervivation is 21. What is the point estimate of the national avg

*asked by Karan on August 28, 2016* -
## physics

Suppose that the attraction between the moon and the earth were due to Coulomb forces rather than gravitational force. What would be the magnitude of the charge required if equal but opposite charges resided on both earth and moon? Mass of earth =

*asked by Andy on January 19, 2010* -
## Chemistry

1. Suppose o2, n2 and Ar were placed at 1.00 atm and 273 K in closed containers. A tiny hole is opened in each container, allowing each gas to diffuse into another container filled with neon gas. What is the ratio of the rate of diffusion of nitrogen to

*asked by casey on May 22, 2015* -
## chemistry

Gaseous butane CH3CH22CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O. Suppose 4.07 g of butane is mixed with 9.8 g of oxygen. Calculate the maximum mass of water that could be produced by the chemical

*asked by gaby on September 21, 2017* -
## Math Algebra 1

suppose you ca work a total of no more than 20 hours per week at your 2 jobs. baby-sitting $5 per hour, and your cashier job pays $6 per hour. you need to earn at least $90 per week to cover your expences. question : write a system of inequalities that

*asked by Briana on January 4, 2010*

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