# 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 101
1. ## ALGEBRA-MAT 117

The equation D=1.2(SQRT)H gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet. A. Solve this equation for h. B. Long’s Peak in the Rocky Mountain National Park, is 14,255 feet in elevation. How far can you see

2. ## ALGEBRA 1 HELP

Henry is taking a medicine for a common cold. The table below shows the amount of medicine f(t), in mg, that was present in Henry's body after time t: t (hours) 1 2 3 4 5 f(t) (mg) 282 265.08 249.18 234.22 220.17 Greg was administered 300 mg of the same

asked by Tony on August 1, 2017
3. ## Early Education and Team Building

You're sitting with a parent while her child plays quietly in the corner. The parent remarks that this is the first time the child has sat and paid attention to the same toy for so long without getting into trouble or breaking anything. You take the

asked by Diana on October 22, 2018
4. ## Physics

In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 45 m/s (about 100 mi/h) in a time of 7.0 s. The combined mass of the car and riders is 5.5 × 103 kg. Find the average net force

asked by Rash on September 27, 2018
5. ## Physics

1. A train traveling at a speed of 150km/h decelerates for 15 seconds. During that time it travels 400 meters. A) What is the acceleration? = m/s^2 B) What is its speed after deceleration? = km/h I need help with which formula to use and how to use it to

asked by Danny on June 6, 2013
6. ## Physics

1. A train traveling at a speed of 150km/h decelerates for 15 seconds. During that time it travels 400 meters. A) What is the acceleration? = m/s^2 B) What is its speed after deceleration? = km/h I need help with which formula to use and how to use it to

asked by Danny on June 6, 2013
7. ## statistics

the mean and the standard deviation of the wages of 1000 factory workers are \$20,600 and \$2,400 respectively. if a worker's annual wage is \$20,000, find and interpret the worker's sample z-score.

asked by lisa on April 7, 2011
8. ## cost/managerial

andromeda company's break even point is 2,400 units. variable cost per unit is \$42; total fixed costs are 67,200 per year. what price does andromeda charge?

asked by delia on January 26, 2013
9. ## accounting

Net income is \$44,400. Administrative expenses are \$5,500 and selling expenses is \$3,700. Cost of merchandise sold is \$27,800. How much is sales, assuming no returns or discounts?

asked by Mike on February 24, 2016
10. ## managerial accounting

Hess,Inc.Sells a single product with a contribution margin of \$12 per unit, fixed costs of \$74,400, and sales for the current year of \$100,00. How much is Hess's Break even point?

asked by cathalina on July 10, 2007
11. ## Physics

A Pratt and whitney PW4000 turbofan engine is able to provide a maximum thrust of 2.49 x 100000 N.A Boeing 747-400 airliner has four of these engines. If its mass is 2.72 x 100000 kg, what is its acceleration?

asked by Mah on October 10, 2011
12. ## Physics

a 0.15 kg sample of Alloy is heated 540°C. it is then quickly placed in 400 g of H2O at 10°C which is contain in a 200 g aluminum cup. the final temperature of the mixture is 20. 5 °C. calculate the specific heat of alloy.

asked by Gelo on November 25, 2015
13. ## Physics

1. A train traveling at a speed of 150km/h decelerates for 15 seconds. During that time it travels 400 meters. A) What is the acceleration? = m/s^2 B) What is its speed after deceleration? = km/h I need help with which formula to use and how to use it to

asked by DANNY on June 5, 2013
14. ## math

sam makes \$400 per week plus \$20 commission on each new cell phone plan she sells. Write an equation to determine how many plans she sold to earn \$680 last week.

asked by colin on October 20, 2014
15. ## math

Sam makes a cube out of blue, red and yellow bricks in the ratio 3:4:8. He uses between 400 to 410 cubes. Calculate the exact number of cubes he has used. Explain your answer.

asked by Jay.M on August 31, 2018
16. ## Math Vectors

A plane is heading on a bearing of 200° with an air speed of 400 km/h when it is blown off course by a wind of 100 km/h from the northeast. Determine the resultant ground velocity of the plane. How did you get your answer?

asked by Amyy on February 22, 2015
17. ## math

1.A principal of \$5000 was invested in a savings account for 4 years. If the interest earned for the period was \$400, what was the interest rate? 2.¨C3(10x ¨C 3) + 10(3x ¨C 3) = x ¨C 7 3.Solve and graph the solution set.

asked by stacy on February 2, 2007
18. ## physics

A stone is dropped from the top of a tower 400 m high and at the same time another stone is projected upward vertically from the ground with a velocity of 100 ms −1 . Find where and when the two stones will meet.

asked by Deepa on September 12, 2015
19. ## science

Calculate the pH of a solution created by mixing 200.0 mL of 0.400 M acetic acid and 200.0 mL of 1.00 M sodium acetate. Hint: The instant the two solutions are mixed what are the initial concentrations of each?

asked by Bruce on February 14, 2011
20. ## Chemistry

0.400 g of a solid base X(OH)2 was dissolved in 50.0 mL of water. The solution was neutralized with 65.80 mL of 0.150 mol/L HCl. Calculate the molar mass of the base. Do I need to set up a dilution equation? I'm not sure what to do.

asked by Anon on December 2, 2015
21. ## Math

Melissa Borrows \$1000 on May 8 at 18.5% simple interest. She pays \$500 on July 17 and \$400 on September 29. What is her balance on October 31 by the merchant's rule? by the United States rule?

asked by Kristen on December 13, 2011
22. ## math

Asha deposited sh. 280,000 into the bank.After 4 years her savings reached sh. 386,400.Find the amount of interest per year paid by the bank. #Please i need your help guys #

asked by kelvin on June 28, 2017
23. ## College Physics

A steel piano string for the note middle C is about 0.68 m long and is under a tension of 400 N. If the fundamental frequency is 226 Hz, what is the string’s diameter? I have tried it several times and continue to get an incorrect answer.

asked by Anon14 on November 14, 2011
24. ## Vectors

How did you get your answer? A plane is heading on a bearing of 200° with an air speed of 400 km/h when it is blown off course by a wind of 100 km/h from the northeast. Determine the resultant ground velocity of the plane.

asked by Amyy on February 22, 2015
25. ## physics

A 0.500 kg block is being slid, vertically up the chalkboard with an applied force of 6.00 N [upwards] and 2.00 N [inwards] (into the boards). If the coefficient of sliding friction is 0.400, calculate the accel of the block.

26. ## Calculus

The function is continuous on the interval [10, 20] with some of its values given in the table above. Estimate the average value of the function with a Trapezoidal Sum Approximation, using the intervals between those given points. x 10;12;15;19;20 f(x)

asked by Alice on March 12, 2019
27. ## Math

The Lifetimes of a certain brand of photographic light are normally distributed with the mean of 210 h and a standard deviation of 50 h. What percent of lights will need to be replaced within 233 h? Out of 2000 lights, how many will have a lifetime between

asked by Jerry on June 9, 2011
28. ## Physics

A resistance of 400 ohms and inductance of 8H and a capacitance of 20 microfarad are connected in series. Cal. (I) the peak current (ii) the phase angle when an a.c voltage of 40v, f= 900Hz is connected across them

asked by Olorunferanmi Thomas on March 20, 2012
29. ## physics

i tried doing this on my calculator but i keep getting the wrong answer..can someone try it on theirs and tell me what they got? thanks Substitute the period in seconds, T = 86,400 s, the gravity constant G = 6.67 multiplied by 10-11 kg-1 m3/s2, and the

asked by cb on March 15, 2009
30. ## FINITE!!!

Melissa Borrows \$1000 on May 8 at 18.5% simple interest. She pays \$500 on July 17 and \$400 on September 29. What is her balance on October 31 by the merchant's rule? by the United States rule?

asked by HELP >:( on December 13, 2011

Matt Kaminsky owns a new Volvo. His June monthly interest was \$400. The rate is 8 1/2 percent. Matty's principle balanve at the beginning of June is ( Use 360 days)

asked by Susan on March 12, 2013
32. ## Child Psychology

I need help, could someone please check my answers to these five questions below. If I answered any that were wrong, please help me to identify the right answer. Thank you. 3. Even though her mother-in-law insists she is wrong, Danielle knows that which of

asked by Sharon on July 20, 2011
33. ## mangerial econ

The MorTex Company assembles garments entirely by hand even though a textile machine exists which can assemble garments faster than a human can. Workers cost \$50 per day, and each additional laborer can produce 200 more units per day (the same for each

asked by julie on May 20, 2009
34. ## Social Studies

How did Rosa Park's refusal to stand up contribute to the civil rights movement? A: Her refusal to stand contributed to the civil rights movement as it sparked a boycott, the Montgomery Bus Boycott, that lead to the end of the segregation.

asked by Anonymous on February 2, 2014
35. ## Physics

A ball leaves a table with an initial horizontal velocity of 2.4m/s. The height of the table is adjustable. In two runs, the height of the table is set at 2.5m and 5.0m respectively. Assume air resistance is negligible. What is the horizontal distance

asked by Tim on May 8, 2014
36. ## Math

Laverne starts counting out loud by 5's. She starts with 7. As Laverne counts, Shirley sums the numbers Laverne says. When the sum finally exceeds 5000, Shirley runs screaming from the room. What number did Laverne last say before Shirley flees?

asked by Bob on September 3, 2017
37. ## Math

Laverne starts counting out loud by 5's. She starts with 7. As Laverne counts, Shirley sums the numbers Laverne says. When the sum finally exceeds 5000, Shirley runs screaming from the room. What number did Laverne last say before Shirley flees?

asked by Carla on December 14, 2014

Jules agrees to pay Dr. Smekyll a million dollars and Smekyll agrees to invent an automobile engine that runs on air rather than gasoline. Why would this contract not be legally binding? What could Jules and Smekyll do to make sure that their contract is

asked by Toya on August 21, 2012
39. ## Math

Laverne starts counting out loud by 5's. She starts with 7. As Laverne counts, Shirley sums the numbers Laverne says. When the sum finally exceeds 5000, Shirley runs screaming from the room. What number did Laverne last say before Shirley flees?

asked by Carla on December 15, 2014
40. ## Physics

A bus starts from rest at a bus stop and accelerates at a rate of 1.12 m/s^2 for 11.0s. It runs at constant speed for 80.0 s and slows at a rate 1.20 m/s^2 until it stops at the next bus stop. (a) What is the maximum speed attained. (b) Find the total

asked by Paul on March 8, 2011
41. ## maths-word problem

james and hannah both run 4km race.james runs 1km faster than hannah and finished a quater kilometer ah head of her.how long did james run in 4km plz show step!

asked by eluma on May 13, 2016
42. ## 9english

This is for anyone who has seen the movie "Remember the Titans". Give three specific examples of the different coaching styles of Boone and Yoast. Three examples per coach. I know that Coach Boone wants everything to be perfect, he's tough,and runs a

asked by beccaa on September 13, 2009
43. ## physics

A runner dashes from the starting line (x = 0) to a point 127 m away and then turns around and runs to a point 38 m away from the starting point in 13 seconds. To the nearest tenth of a m/s what is the average speed? What is the runner's average velocity

asked by Annita on February 7, 2014

1 A runner dashes from the starting line (x = 0) to a point 130 m away and then turns around and runs to a point 11 m away from the starting point in 21 seconds. To the nearest tenth of a m/s what is the average speed? 2 What is the runner's average

asked by Sari on September 2, 2009
45. ## calculus

A Norman window has the shape of a rectangle surmounted by a semicircle as in the figure below. If the perimeter of the window is 37 ft, express the area, A, as a function of the width, x, of the window. How do you do this problem?

asked by B on September 18, 2010
46. ## Math

Diana has 520 yards of fencing to enclose a rectangular area. Find the dimensions of the rectangle that maximize the enclosed area. What is the maximum area?

asked by Cathy on December 4, 2012
47. ## algebra 1

Q: A rectangle has a length of 9.00 inches and a width of 4.25 inches. What is the area in square inches? Round to the correct significant digits. I put 38.25 the first time but it said it was wrong. would it be 38 instead??

asked by x on August 23, 2018
48. ## algebra

Peter has 800 yards of fencing to enclose a rectangular area. Find the dimensions of the rectangle that maximize the enclosed area. What is the maximum​ area?

asked by Miranda on June 30, 2017
49. ## math

An oval track is made by erecting semi circles on each end of a 58 m by 116 m rectangle. Find the length of the track and the area enclosed by the track.

asked by Alfred on February 24, 2015
50. ## math

A student take in 2,300 calories and burns 2,500 calories. find the net change

asked by Amanda on September 24, 2012
51. ## chemistry

A sample of argon at 300.°C and 50.0 atm pressure is cooled in the same container to a temperature of 0.°C. What is the new pressure?

asked by erika on October 30, 2009
52. ## Pre-Calc

Find the sum of the series 1 + 2 + 4 + 5 + 7 + 8 + 10 + 11 + ... + 299, which is the sum of the integers from 0 to 300, omitting the multiples of 3.

asked by Anonymous on May 13, 2016
53. ## Chemistry

At what temperature does 150 mL of n2 at 300 K and 1.13 atm occupy a volume of 550 mL at a pressure of 1.89 atm?

asked by Elijah on April 9, 2013
54. ## math

A linesman in the NFL is nost likely to weigh between 250 and 300 pounds. Of the four player below, which would most likely be a linesman?

asked by Brittany on April 3, 2008
55. ## math

what percent of 300 is 60 F)20% G)50% H)2% J)5% i think I'm just doing it wrong because i got (180) and then the 2 time i got (500) so do you mind telling me what Am doing wrong

asked by nick on March 23, 2010
56. ## Maths

If the 6th term of an arithmetic sequence is 48, and the sum of the first 6 terms is 300, what is the first term and the constant different?

asked by Janic on January 4, 2015

How to write a 200 - 300 paper on the new product development phases on a new cleaning product

asked by linda on April 11, 2010
58. ## pharmacy tech.

In what proportion should you combine a 2:5 soaking solution and distilled water to create a 300 ml of a 1:20 solution?

asked by blackpearl07 on August 5, 2012
59. ## Chemistry

Calculate the molality of ethanol in a solution of water, if the mole fraction of ethanol is 0.300.

asked by DrChem on October 2, 2010
60. ## Geometry

mollys rectangular backyard has 300 ft of fencing. one side is 40 ft find the area of the backyard

asked by Anonymous on April 7, 2016
61. ## MANAGERIAL ECONOMICS

SHORT RUN COST FUNCTION TC=300+50Q-10Q2+Q3 WHAT IS THE VALUE OF FIXED COST?

asked by MUKTAR on January 25, 2019
62. ## chemistry

In what proportion should you combine a 2:5 soaking solution and distilled water to create a 300 ml of a 1:20 solution?

asked by cham on July 21, 2014
63. ## Math

what are the indicated powers of these complex numbers: a. (2 – 3i )^2 b. (3 + 4i )^3 c. [2 cis(300°)]^5 d. ( cos (4pi/3) + i sin (4pi/3)) ^4

asked by Anonymous on May 24, 2018
64. ## chemistry

What mass of MgSO4 · 7 H2O is required to prepare 300 mL of a 0.511 M MgSO4 solution?

asked by Anonymous on August 22, 2011
65. ## chemistry

In what proportion should you combine a 2:5 soaking solution and distilled water to create a 300 ml of a 1:20 solution

asked by Kill on July 21, 2014
66. ## physics

how much is the energy stored in hooke's law spring increased when its stretch is increased from 8 cm to 16 cm? why is it 300%?

asked by mc on October 29, 2008
67. ## Chemistry

What mass of MgSO4 · 7 H2O is required to prepare 300 mL of a 0.511 M MgSO4 solution?

asked by Bob Miller on August 22, 2011
68. ## math

fid the height of a parallelogram with an area of 300 square yards and a base of 15 yards

asked by tammie on December 7, 2015
69. ## Chemistry

A solution of H2SO4 with a modal concentration 6.25m has a density of 1.300 g/ml. What is the molar concentration?

asked by Josh on July 12, 2011
70. ## chemistry

In what proportion should you combine a 2:5 soaking solution and distilled water to create a 300 ml of a 1:20 solution?

asked by Kill on July 21, 2014
71. ## chemistry

At what temperature average speed of nitrogen will be same as the RMS speed of oxygen at 300 kelvin?

asked by Priyanka on April 26, 2016
72. ## Math

A typist types 70 pages in 3 hours 30 minutes how long will she take to type 300 pages

asked by Rupa on October 23, 2016
73. ## matha school.alleppey

300 is divided into 2 parts so that half of one part may be less than other by 48.then the parts are?find the linear equation

asked by jennath on June 16, 2013
74. ## Algebra

28. A gardener measures the tallest of his prize-winning sunflowers and finds that the height is 60 in. The sunflower was 52 in. tall the last time the gardener measured it. Write and solve an equation to find how many inches the sunflower grew.

asked by Rach on November 3, 2009

1. If the surface area of a cube is 294 inches squared, find the volume. 2. If the base of a prism is an equilateral triangle with sides 8cm, and each lateral edge measures 10cm, what is the volume of the prism.

asked by Gigi on March 3, 2013
76. ## Physics ( light)

A student doing Young's experiment measures a distance of 6.0 cm between the first and seventh nodal points on a screen located 3.0 m from the slit plate. a) if the slit seperation is 220^ -6, what is the wave length of light being used ? b) what colour is

asked by David E. on June 17, 2012
77. ## math

A gardener measures the tallest of his prize-winning sunflowers and finds that the height is 60 in. The sunflower was 52 in. tall the last time the gardener measured it. Write and solve an equation to find how many inches the sunflower grew.

asked by Anonymous on October 28, 2009
78. ## Math

The floor areas of a living room on a house plan measures 3 1/2 inches by 4 5/8 inches. If the scale is 1/4 inch = 1 foot, find the length of the longest side of room in feet. How do I start this problem?

asked by Mike on February 13, 2008
79. ## Algebra 1

Measures of Central Tendency and Dispersion Practice 2. Tell which measure of central tendency best describes the data. Time spent on Internet (min/day) 75 38 43 120 65 48 52 A. Mean B. Median C. Mode Help? I really don't understand this :/

asked by anon on May 8, 2018
80. ## tri

Points A and B are separated by a lake. To find the distance between them, a surveyor locates a point C on land such that ÐCAB = 48.8°. He also measures CA as 318 ft and CB as 523 ft. Find the distance between A and B. Please round the answer to the

asked by glenna on October 27, 2012
81. ## GEOMETRY

The present height of the pyramid of Khafre in Egypt is 137m.An engineer surveying pyramid measures an angle of elevation of 33degrees from a point X to the top of the pyramid. Calculate the distance from X to the cenre of the base of the pyramid at Y

asked by reshma on February 21, 2011

Jessica and her moter return from shopping with 14 pckages. THey park the car in the parking lot, which is 120 meters away from their house. Then they make several trips to bring the packages into their house. Jessica's mother can carry 3 packages at a

asked by Anonymous on December 4, 2012
83. ## College Algebra

a box with an open top is constructed from a rectangular piece of cardboard with dimensions 14 inches by 18 inches by cutting out and discarding equal squares of side x at each corner and then folding up the sides as in the figure. The cost to create such

asked by John on March 17, 2013
84. ## Physics

Sitting besides a friend on a park bench, you grab her hat and start running in a straight line away from her. Over the first 15.0, you accelerate at 1 m/s^2 up to your maximum running speed. You then continue at your maximum running speed for 15 s more

asked by Brandon on November 18, 2013
85. ## Phyics

Sitting besides a friend on a park bench, you grab her hat and start running in a straight line away from her. Over the first 15.0, you accelerate at 1 m/s^2 up to your maximum running speed. You then continue at your maximum running speed for 15 s more

asked by Brandon on November 18, 2013

For the book, The Five People You Meet in Heaven, I have to answer this question: Q- 1. SETTING: give the time, place, and lenghth of the story. A- time: from Sunday to Friday; from the 1920s to a little before present-day; it begins at the end (Eddie's

asked by Anonymous on August 24, 2007
87. ## Decision science

A wholesaler of stationery is deciding how many desk calendars to stock in inventory for the coming year. It is impossible for him to reorder, and leftover units are worthless. The following numbers indicate the possible demand levels: Demand in 000's 100

asked by Samir on September 15, 2011
88. ## Physics

While you are sitting on a park bench with your friend, you grab his hat and start running in a straight line away from him. Over the first 49.7m, you accelerate at 1.00m/s^2 up to your maximum running speed. You then continue at you maximum running speed

asked by joane on September 29, 2012
89. ## English

Why is it wrong to say " a child of six years old" and is possible to say "a six-year-old child"? Example: My family consists of /is made up of/ is composed of two adults and two children, six years old and ten years old. But: .... of a six-year-old child

asked by Henry2 on July 4, 2011
90. ## Science

I have a project in which I design a house that runs completely on renewable energy sources. When I put in solar energy, the batteries are said to use the sun's light and store the energy for later use. My question is if those batteries have some kind of

asked by Anonymous on January 9, 2014
91. ## Math

I need help with these 3 problems. 1. An amusement park charges admission plus a fee for each ride you go on. 2 admissions and 5 rides cost \$22. 2 admissions and X rides cost \$24. What is the charge for 1 admission and the charge for 1 ride. 2. Find the

asked by Jessica on June 28, 2010
92. ## Two English Questions (HELP!!)

1. Which of the following uses a pronoun in the possessive case? A. Ask Sarah to pass the chips to me. B. Check for my signature on the front page. C. He went to the park to find the dog. D. The winner of the contest was she. I think 1. is B. 2. Revise the

asked by * on February 3, 2015
93. ## Math

select each situation in which one quantity at a constant rate in relation to another quantity. A. Brad drives 45 miles per hour. B. Frank earns 3% interest on his savings account C. Steve doubles the amount of water he drinks every week. D. Dan earns \$12

asked by Blub on November 12, 2016
94. ## Intergrated Algerbra

A caterpillar and snail are 300 ft apart. They meet face to face in 5 hours. What were their speeds?

asked by janet on November 29, 2012
95. ## math

find the pattern... 28,300,10 There is no single pattern. Post more numbers in your sequence.

asked by Stephanie on August 10, 2006
96. ## chemistry

What is the volume of dry O2 gas at STP, if it had a volume of 5.00 L at 103 kPa and 300 K?

asked by Lee on April 15, 2015
97. ## Physics

If intensity is 300 and amplitude is 200.when ampitude is increased to 800 what will be intensity?

asked by Anonymous on August 25, 2017
98. ## Chemistry

What is the concentration of the resulting solution when 250 mL of 0.1 M K3PO4 and 300 ml of 0.5 M K3PO4 are mixed?

asked by L on June 10, 2013
99. ## physics c

Suppose q1 = +2.90 µC is no longer at y = 0.300 m, but is now at y = 0.244 m. The charge q2 = +2.90 µC is at x = 0 and y = 0.500 m, and the point 3 is at x = y = 0.500 m.

asked by Anonymous on July 17, 2016
100. ## statistics

In a class of 300 students, John’s rank was 40. Find his percentile rank

asked by Anonymous on January 24, 2015