# A rectangle park measures 300 ft by 400 ft. A sidewalk runs diagonally from one corner to the opposite corner. Find the length of the sidewalk

20,942 questions, page 140
1. ## CHEMISTRY

Which of the following gases will occupy the smallest volume at 300 K and 760 torr and why? 80 g diatomic oxygen 80 g methane 80 g hydrogen fluoride All gases will occupy the same volume

asked by susan on October 16, 2010
2. ## physics

An unknown substance with a mass of 300 g absorbs 1000 j of heat while undergoing a temperature increase of 15 degrees c. What is the specific heat of the unknown substance ?

asked by Cynthia on January 23, 2015
3. ## math

A bag contains 100 bolts and 300 nuts 50% of each have been rusted 1 item is chosen at random. Find the probability that chosen item z rusted or a bolt.

asked by rehan on October 5, 2010
4. ## math

One third of the boys and one half of the girls participate in a social work. If the number of participating students is 300 out of which 100 are boys,what is the total number of students?

asked by omaima on November 9, 2016
5. ## math

Joyce sold 48 student tickets to the play at \$3.00 each and 37 adult tickets at \$5.00 each. Expenses for the play were \$300. How much money was left in the account after expenses were paid?

asked by tonya on December 14, 2009
6. ## Algebra

If the demand function for a commodity is given by the equation p2 + 16q = 1200 and the supply function is given by the equation 300 − p2 + 6q = 0, find the equilibrium quantity and equilibrium price.

asked by Jamie on November 11, 2015
7. ## phy113

Mass of gas is 300 gm and its specific heat at constant volume is 750 J/kg K. if gas is heated through 75°C at constant pressure of 105 N/{m^2}, it expands by volume

asked by onas on April 25, 2015
8. ## chemistry

Calculate the molarity of each ion in 0.300 M Na2SO4. Enter a zero for an ion that doesn't occur in the compound. ______ M Na1+ ______ 2 M S2- ______ 3 M O 2- ______ M SO42-

asked by MBH on October 3, 2011

Deposit \$300 each month into an account earning 7% interest compounded monthly. How much total money will you put into the account? How much total interest will you earn?

asked by Anonymous on December 19, 2016
10. ## Physics, science

A billiard ball moving with a speed of +4 m/s runs head on into the back of another ball moving with a speed of +2 m/s. After the collision the first ball was measured to be moving with a speed of +2 m/s. Find the speed of the second ball. formula =

asked by Bassel on December 18, 2011
11. ## calculus

A farmer has 180 feet of fence and wants a pen to adjoin to the whole side of the 120 foot barn as shown. What should the dimentions be for maximum area. Note that in this case Write the equation for perimeter of the three sided rectangle. Write the

asked by Anonymous on May 23, 2007
12. ## College Chemistry

Given 400.0 g of hot tea at 80.0C, what mass of ice at 0C must bea added to obtain iced tea at 10.0C? The specific heat of water is 4.18 J/(g*C), The specific heat of water is 4.184 kJ/mol.

asked by Ashley on December 6, 2010
13. ## math

Janice conducted a survey at the local calculator factory. She discovered that 10% of every 80 calculators did not work. Using this survey, what kind of predictions can she make about the next 400 calculators? a-not enough information b-40 will not work

asked by Andrea on March 30, 2016
14. ## chemistry

A crystalline material containing 30 grams of barium chloride crystals was placed into an oven at 400 degrees c and heated for two hours. It was then cooled and weighed. the new mass was less than before it was heated, containing 20 grams if barium

asked by eric on January 27, 2011
15. ## Physics

A 1.50 X 10^2g piece of brass(specific heat capacity 3.80 X 10^2 J(kgC) is submerged in 400 mL of water at 27.7 Degrees Celsius. What is the original temperature of the brass if the mixture has a temperature of 28.0 degrees Celsius

asked by Rosie on November 15, 2014
16. ## statistics

transportation officials reported that 8.25 out every 1000 airline passengers lost luggage during their travels last year.if we randomly select 400 airline passengers,what is the probability that 5 lost some luggage?

asked by lela on March 31, 2012
17. ## Physics !!!!! HELP PLEASE

A hand gun fires a 12.0 g bullet at a speed of 400 m/s. What is its kinetic energy? At what speed must a motorcycle of mass 173 kg move to have the same kinetic energy as the bullet? Express your answer in km/h.

asked by Joeline on May 22, 2013
18. ## Physics: Three Identical Masses

Three identical masses of 640 each are placed on the x axis. One mass is at = -100 , one is at the origin, and one is at = 400 . What is the magnitude of the net gravitational force on the mass at the origin due to the other two masses? Take the

asked by Erik on October 3, 2011
19. ## Calculus

I actually have two questions: 4. An open box is to be made from a rectangular piece of material 3m by 2m by cutting a congruent square from each corner and folding up the sides. What are the dimensions of the box of the largest volume made this way, and

asked by Anonymous on May 18, 2010
20. ## Physics

These are “plug-in-the-number” tasks to familiarize you with the main formulas that link the physics concepts of this chapter. They are one-step substitutions, much less challenging than the Think and Solve problems that follow. Average speed ! total

asked by Katherine on October 10, 2012
21. ## Math

(4 pts) Imagine that there is a circular track given by the equation x2+y2=2102500, where both x and y are measured in units of feet. At time t=0, Robin is at point (1450,0) and Shannon is at point (−170,1440). Both are running counterclockwise, with

22. ## Math

An auditorium has 400 seats. Each row in the auditorium has 16 seats. In which equation does r represent the number of rows of seats in the auditorium?

asked by Jamiyah Washington on May 17, 2016
23. ## math

Mike's number is 2000 more than Jerry's which is 400 less than Barry's. Larry's number is 1500 more than Sam's, which is 443. Sam's number is 60 less than Barry's.

asked by Samantha on June 17, 2014
24. ## 3rd grade math HELP ASAP

When I am rounded to the nearest hundred I am 400. The digit in my tens is 4 more than the digit in my hundreds place. The digits in my hundreds place and ones place are the same. What number am I?

asked by Niecee on October 24, 2012
25. ## social studies

Region: After Hannibal and his army landed in Spain, many miles did they travel to get from Spain to Rome? I was 400 miles to get Spain to Rome Is my answer right

asked by Johnnie on March 19, 2019
26. ## chemistry

What is the root mean square speed of argon gas at 300 K? 1. 4.33 × 102 m/s 2. 1.37 × 101 m/s 3. 3.96 × 102 m/s 4. 4.30 × 101 m/s 5. 5.92 × 102 m/s

asked by Anonymous on May 1, 2015
27. ## Math

The digit sum for 126 is 1+2+6, or 9. The digit sum for 300 is 3+0+0, 0r 3. Find the two consecutive numbers that have digit sums of 36 and 1 Please help - Thank You

asked by Josh on June 27, 2014
28. ## MATH

FIND THE MEASURES OF ANGLE 1 AND ANGLE 2 IF MEASURE ANGLE 1=3X-12 MEASURE ANGLE 2=7X+2 AND ANGLE 1 AND ANGLE 2 FORM A LINEAR PAIR

asked by jojo garma on June 15, 2011
29. ## Math

Susie has eight pieces of string. Each string measures 6.5 inches long. How many inches of string does Susie have altogether

asked by Emily on November 9, 2016
30. ## Physics

A pair of masses are attached by a string that runs over a pulley. The larger mass is on a frictionless incline that makes an angle of 18 degree with the ground. the smaller mass is hanging in the air off the pulley. the larger mass is given an initial

asked by Jay on May 11, 2012
31. ## Math

Imagine that there is a circular track given by the equation x2+y2=2102500, where both x and y are measured in units of feet. At time t=0, Robin is at point (1450,0) and Shannon is at point (−170,1440). Both are running counterclockwise, with Shannon

asked by PLS HELP!! on April 21, 2016
32. ## english

Q1. Identify whether the word groups are fused sentence, comma splice or correct sentence.(4) i There is nothing better for a cold than a hot coffee and a big box of chocolate ____________ ii She ran out of the room the shadows in the corner had scared

asked by Anonymous on October 7, 2015
33. ## physics

The flywheel of a steam engine runs with a constant angular speed of 164 rev/min. When steam is shut off, the friction of the bearings and the air brings the wheel to rest in 1.6 h. I found the constant angular acceleration as 1.71rev/min^2. They also ask

asked by help on September 28, 2010
34. ## dragon wings

read the passage from the text, taken chapter 10, when survivors of the san francisco earthquake gatherd in golden gate park. "at dinner, he even gave Miss Whitlaw-a woman, and a demoness to boot-the seat of honor in his favorite chair. It was an honor

asked by jjiiddss 0-0 on May 17, 2016
35. ## accounting

OBX Mufflers accepted a five-month, 7.5% interest, \$2,400 note from ABD Motors on June 1, 2008. The entire balance is payable at the note's maturity. What will be the total payment on October 31, 2008? Total payment= \$

asked by Joyce on November 14, 2010
36. ## PHYSICS

two masses m1=400.g and m2 =600.g are connected with a light string which goes over a frictionless pulley of negligible mass. the two systems are released from rest. a) what is the acceleration of each mass? b) what is the tension force in the string? and

asked by EMMA on July 21, 2014
37. ## Physics

A 25 kg box is along a horizontal floor and a force of 400 N pushes the box with an angle of 50 deg with the horizontal. Starting from rest, the box achieves a velocity of 2 m/s in a time of 4 seconds. Find the coefficient of sliding friction between box

asked by JOSH on August 22, 2014
38. ## algebra

maria rented the same car twice in one month. She paid \$180 the first rime for 3 days and she drove a total of 150 km. The next time, she also paid \$180 and had the vehicle for only 2 day, but traveled 400 km. A. What was the cost per day. B. What was the

asked by Anonymous on September 29, 2011
39. ## physics

A runner training for a race times 400 meter laps. Lap 1 60sec, Lap 2 57sec, Lap 3 55sec, Lap 4 53sec. What is the average velocity in meters per second? a. 0.563 b. 7.1 c. 14.2 d. 56.25 please help me, I using the average velocity formula but still i get

asked by mary1111 on February 26, 2010
40. ## psychology

Which is an appropriate way for subordinate to begin a message to her supervisor letting him know what that company has been fined due to safety violations in their department? a) Something horrible has happened! b)We received notice today that we are

asked by vedrana on March 8, 2010
41. ## Economics

Assume the demand curve for concert tickets is Qd= 300 - c*p and the supply curve is Qs= p - 20 (quantity expressed in thousands of tickets) What is the equilibrium price and quantity What are the consumer surplus and the producer surpluses.

asked by Anonymous on February 25, 2009
42. ## physics

A system of pulleys is used to lift an elevator carrying a 3,300 newton load. assuming the pulley system is friction free, approximately how far would 10,000 joules of energy lift the elevator?

asked by tania on February 22, 2011
43. ## physics

A bicycle has wheels with a diameter of 0.630 m. It accelerates uniformly and the rate of rotation of its wheels increases from 197 rpm to 300 rpm in a time of 22.5 s. Find the linear acceleration of the bicycle

asked by Emily on October 7, 2012
44. ## physics

an airplane was moving with a velocity equal to 150 mph when the velocity was increased with uniform acceleration to 300 mph in 5 min. Calculate the number of miles the airplane traveled during that interval

asked by Jen on June 21, 2013
45. ## physics

A tractor pulls a loaded wagon with a constant force of 300 N. If the total mass of the wagon and its contents is 275 kg, (a) what is the wagon's acceleration? (b) Assuming the wagon started from rest, how far does the tractor travel in 4.00 s?

asked by Anonymous on November 2, 2012
46. ## Business Math GBM 200

300 pounds of oranges were purchased at \$0.24 per pound. The desired markup is 50% based on selling price, but 21% spoilage is expected. What should the selling price per pound be? (Round your answer to the nearest cent)

asked by Treesa on March 6, 2015
47. ## Math

We are learning about multiplying and dividing positive and negative numbers. The population has decreased by 300 residents, over the pass 5 years the same number of residents left each year. What was the change in population each year? Please help!!!!

asked by Iyana on August 29, 2017
48. ## math

a man saved a sum of 200 dinars in the first month, 250 in the second month, 300 in the third month and he continue to save at the streght. after how many month can he buy a radio instronment coastin 13500 dinars

asked by sonia on November 2, 2010
49. ## AP Physics C

An electron follows a helical path in a uniform mag-netic field of magnitude 0.300 T. The pitch of the path is 6.00 um, and the magnitude of the magnetic force on the elec-tron is 2.00x10^-15 N. What is the electron's speed?

asked by Michelle on October 29, 2012
50. ## College Physics

A tiny 0.60g ball carries a charge of magnitude f 8.0uC. It is suspended by a thread in a downward 300 N/C electric field. What is the tension in the thread if the charge on the ball is negative? - Positive?

asked by Lisa on January 26, 2010
51. ## Geometry

Twenty minutes after being launched, a hot-air balloon has risen to an altitude of 300 m. The pilot can still see the starting point on the ground at a 25° angle of depression. How many meters is the balloon from the starting point?

asked by George on September 20, 2013
52. ## accounting

a 200- to 300-word response to the following: You have been hired into a new company to oversee the accounting department. What type of financial reports would you expect to see in your department? How will you use the financial reports available to you to

asked by Anonymous on October 1, 2009
53. ## MATH HELP PLEASE Explain

The Kitchen Kompany operates on a 145% markup rate based on the cost. The markup on the store's new line of cabinets is \$300 per cabinet. Find the cost of one cabinet and its selling price.

54. ## math

There is an 88% chance that a Dumbo battery is not faulty.Dean orders 300 triple packs of Dumbo batteries for his shop.Find an estimate for the number of pack that contain exactly 2 faulty batteries... I m thinking about 36 but I m not sure.

asked by Damian on September 17, 2017
55. ## math

There is an 88% chance that a Dumbo battery is not faulty.Dean orders 300 triple packs of Dumbo batteries for his shop.Find an estimate for the number of pack that contain exactly 2 faulty batteries... I m thinking about 36 but I m not sure.

asked by Damian on September 17, 2017
56. ## Math

Imagine that there is a circular track given by the equation x2+y2=2102500, where both x and y are measured in units of feet. At time t=0, Robin is at point (1450,0) and Shannon is at point (−170,1440). Both are running counterclockwise, with Shannon

asked by PLS HELP!! ASAP on April 21, 2016
57. ## Math

Imagine that there is a circular track given by the equation x2+y2=1123600, where both x and y are measured in units of feet. At time t=0, Robin is at point (1060,0) and Shannon is at point (560,900). Both are running counterclockwise, with Shannon running

58. ## Math

Choose a room you would like to decorate: _My Bed room___________________________ Measure the length of one wall in inches: ___72_______________________ 2. Choose a size of paper to use. *I recommend just using a standard 8.5 inch by 11 inch piece of

asked by Help i need somebody not just anybody on November 3, 2017
59. ## Math

Steve is building a slide for a new park. He wants the height of the slide to be 6 feet, and he wants the horizontal distance along the ground to measure 14 feet. After building the slide, Steve decides the slide needs a vertical safety support and wants

asked by Jae on March 30, 2012
60. ## Math

James is training for a marathon. Every week, he increases the distance he runs by 15%. If James is running 8.5 miles this week, how far will he be running 2 weeks from now? I did 30/100=x/8.5 . I thought that if I did 30 (for 2 weeks) instead of 15 (1

asked by Deandrea on April 6, 2015
61. ## Math

James is training for a marathon. Every week, he increases the distance he runs by 15%. If James is running 8.5 miles this week, how far will he be running 2 weeks from now? I did 30/100=x/8.5 . I thought that if I did 30 (for 2 weeks) instead of 15 (1

asked by Deandrea on April 7, 2015
62. ## physics

an airplane flying north is observed from the ground. it's velocity is 225 m/s north. the pilot who is flying the plane measures a velocity of 250m/s north. what is the velocity of the wind that affects the plane

asked by anna on October 16, 2017
63. ## geometry

Triangle DEF contains two congruent acute angles. The sum of the measures of the two congruent acute angles is greater than 90 degrees. Anna concludes that the triangle must be an acute triangle. Which best describes her conclusion?

asked by martha on February 16, 2016
64. ## social studies

Hi i have to do an essay. i have already done all the research but i don't know how to organize my essay. Can someone help me. The question is Was the American Revolution an accelerated evolution rather than a cataclysmic revolution? Evaluate the accuracy

asked by kyle on August 21, 2008
65. ## Maths

Now suppose that the weight attached to the spring is pulled down a further 5cm from its equilibrium positions and released from rest. Show that newtons second law leads to the dynamic equation (in SI units) d^2z/dt^2 + 36z - g = 0 where z(t) measures the

asked by Lisa on May 3, 2016
66. ## physics

9. A stone is thrown at an angle of 30° above the horizontal from the top edge of a cliff with an initial speed of 19.6 m/s. A stop watch measures the stone's trajectory time from top of cliff to bottom to be 6.7 s. How far out from the cliff's edge does

asked by sam on June 10, 2010
67. ## Math

4. Your article will be featured on the front page of the World section of the newspaper, as well as on-line. The article is to be placed in the shaded section below, which measures 4 inches wide by 9 inches long (not drawn to scale). Your editor has

asked by A on March 20, 2014
68. ## Accounting question..

Having trouble figuring out how to do this problem for my accounting homework.. any help would be greatly appreciated..the information given goes as follows.. On 1/1/08 you issue \$400,000 of 7%, 10 year bonds that pay intrest semiannually. The Market

asked by Walter on November 27, 2007
69. ## Finance

On Abby Ellen's graduation from law school, Abby's uncle, Bull Brady, promised her a gift of \$24,000 or \$2,400 every quarter for the next 4 years after graduating from law school. If the money could be invested at 6% compounded quarterly, which offer

asked by D Johnson on May 5, 2013
70. ## Chemistry

1. A piece of rectangular wood that measures 3.0 cm by 6.0 cm by 4.0 cm has a mass of 80.0 grams. What is the density of the wood? Would the piece of wood float in water? 2. I threw a plastic ball in the pool for my dog to fetch. The mass of the ball was

asked by Perrie on July 8, 2013
71. ## Math.

Nancy Tobey planted a vegetable garden in the backyard. However, the deer and raccoons have been stealing all the vegetables. She asked John to fence in the garden. The rectangular garden measures 8 feet by 15 feet. How many feet of fence should John

asked by Unknown. on October 17, 2010
72. ## Physics

A compartment measures 3.5 meters by 5.5 meters and is 3 meters high. A fire raises the temperature from 68 degrees F to 1500 degrees F. If the starting pressure was 1 atmosphere, what volume is present at the elevated temperature assuming the compartment

asked by Deborah on October 29, 2011
73. ## problem solving

You need to put a carpet in a rectangular room that measures 13 feet by 22 feet as a cost of \$19.50 per square yard. Assuming that you can buy precisely the amount of carpet you need, how much will the carpet for the room cost? Demonstrate step-by-step

asked by ben on December 8, 2012
74. ## geometry

An interior decorator is buying a fringe for the edge of a rug in the shape of a regular octagon. The side length of the rug measures 1/2 inch on a diagram with a scale 1 inch to 4 feet. How many feet of fringe will be needed for the entire edge of the

asked by Kaity on January 26, 2012
75. ## Statistics

A battery manufacturer is positive that its AA batteries last for 1,000 hours. However, you’re working for Consumer Reports and you don’t agree with what they say about their product. So, you buy 400 batteries and you test them out. Your findings are

asked by Mike on November 22, 2011
76. ## physics

A piano tuner stretches a steel piano wire with a tension of 765 N. The steel wire has a length of 0.400 m and a mass of 3.00 g. What is the frequency f_1 of the string's fundamental mode of vibration? What is the number of the highest harmonic that could

asked by Anonymous on April 19, 2010
77. ## physics

bull's-eye bob at a hunting range fires his rifle at a target 200 meters downrange. the bullet moves horizontally from the rifle barrel with a speed of 400 m/s? how far does the bullet drop from a straight line horizontal path bny the time it reaches the

asked by Anonymous on April 29, 2015
78. ## math

Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. (Round your answer to the nearest cent.) \$500 balance, 20% rate, \$400

asked by Anonymous on December 19, 2012
79. ## physics

on an exam i had to day this was the question:A painter of mass 50.0 kg stands on a platform of mass 40.0 kg and pulls on two ropes which hang over pulleys, as shown. He pulls each rope with a force of 400.0 N. Assuming a coordinate system where +y is up,

asked by Sally on January 28, 2012
80. ## math

Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. (Round your answer to the nearest cent.) \$500 balance, 20% rate, \$400

asked by Anonymous on December 4, 2011
81. ## Calculus

Camille purchased a 10-yr franchise for a computer outlet store that is expected to generate income at the following rate measured in dollars/year. R(t) = 400,000 If the prevailing interest rate is 10%/year compounded continuously, find the present value

asked by Anonymous on July 17, 2013
82. ## math (discount)

An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale, an additional 15% is taken off the discounted price. Julie, a student at the local high school, purchases a flute for \$306. How

asked by anonymous on September 22, 2007
83. ## ALGEBRA

Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. (Round your answer to the nearest cent.) \$500 balance, 20% rate, \$400

asked by Daniel on November 27, 2011
84. ## Finance

Omega Health Foundation is considering buying personal computers to install in each patient’s room. The cost of the investment will be \$1,400,000. It is expected that the technology will reduce nursing cost by \$200,000 per year for the next seven years.

asked by Karam on June 24, 2011
85. ## Precalculus

a farmer has available 1032 feet of fencing and wishes to enclose a rectangular area. If x represents the width of the rectangle for what value of x is the area the largest A) 256.5 feet b) 258 feet c) 256 feet d) 257 feet

asked by Arielt on March 29, 2010
86. ## Geometry

Use the Law of Detachment to write a valid conclusion for the given information. 1.If two angles are supplementary, then their measures have a sum of 180. 2.Angle X and Angle Y are supplementary. Would the conclusion be this? Thanks -The sum of X and Y is

87. ## Geometry

Two similar rectangular prisms have corresponding sides that measure 5 feet and 6 feet. If the measures of two corresponding sides of two similar solids are 3 meters and 5 meters, what is the ratio of the surface areas of the solids?

asked by Bonnie on May 20, 2012
88. ## math

A scale model of a rectangular building lot measures 7 feet by 5 feet. If the actual house will be built using a scale factor of 12, what is the area of the actual building lot?

asked by Jalen on July 20, 2015
89. ## Geometry

Use the Law of Detachment to write a valid conclusion for the given information. 1.If two angles are supplementary, then their measures have a sum of 180. 2.Angle X and Angle Y are supplementary. -What do they mean when they ask me to write a valid

90. ## statistics

Assume the population distribution of FEV is normal with standard deviation 400 mLi. (a) find P(E) is n=15 and population mean is 2800 mLi (B) find P(E) is n=15 and the population mean is 2600mLi (C) How does P(E) depend on the population mean?

asked by Sam on October 13, 2009
91. ## Statistics

Suppose that the average annual salary for city employees is \$36,000 with an SD of \$12,000. The city council decides to give everyone a raise of \$400 per year. What is the new average salary and the new SD?

asked by B on January 24, 2012
92. ## statistics

Claim: The majority of adults like pizza. A sample of 400 randomly selected adults shows that 220 of them like pizza. Based on the given sample information, do you think that the above claim is true? Why or why not?

asked by terrie on February 14, 2013
93. ## Algebra 2 -Linear Programming

Find the values of x and y that maximize or minimize the objective function. x+y < or equal to 8 2x+y < or equal to 10 x> or equal to 0, y > or equal to 0 A. (0,5) Maximum value is 100 B.(1,7) Maximum value is 220 C.(2,6) Maximum value is 280 D. (5,0)

asked by LaH on October 26, 2011
94. ## Calculus

A rock is dropped from the top of a 400-foot-tall building. Its distance s (in feet) from the top of the building after t seconds is s(t) = 16t^2. How many seconds will it take the rock to hit the ground?

asked by Syed on June 8, 2014
95. ## Chemistry

HELP PLEASE the volume of a sample of oxygen is 200.0ml when the pressure is 3.00atm and the temp is 37.0 C. What is the new temp if the volume increases to 400.0ml and the pressure decreases to 2.000 atm?

asked by Kalei on February 22, 2012

. Pamela Mello is paid on an incremental commission schedule. She is paid 2.6% on the first \$60,000 and 3.4% on any sales over \$60,000. If her weekly sales volume was \$89,400, what was her total commission? (Points : 3)

asked by douny on June 22, 2013
97. ## math

A car going 60 miles per hour set out on a 400-mile trip at 12:00 P.M. Exactly 20 minutes later, a second car left from the same place and followed the same route. How fast, in miles per hour, was the second car going if it caught up with the first car at

asked by Irene Wu on September 16, 2014
98. ## math

There are two sign posts A and B on the edge of the road. A is 400 m to the west of b. A tree is on a bearing of 060° from A and a bearing of 330° from B. Calculate the shortest distance of the tree from the edge of the road.

asked by kudu on April 30, 2015
99. ## math

I don't get how to put it in the the equation Interest=percent×rate×time This is the question The banded ribbon worm is a carnivorous aquatic worm. It measures about 2.5 ft. When expanded. Find the percent increase between the contracted and expanded

asked by emma on October 21, 2014
100. ## MATH

there are 400 students at smith Elementary school 1/4 of the students are in fourth and fifth grade, 1/10 of the students are in grade 3, 2/8 are in second grade and 2/5 are in first grade . How many kids are in each grade? (4th and 5th have an equal

asked by MANISH on March 24, 2014