# Kt

Popular questions and responses by Kt
1. ## Mathematics

Donations to an annual fundraiser are 15% greater this year than last year. Last year donations were 10% greater than the year before. The amount raised this year is \$10,120. How much was raised two years ago?

2. ## physics

A runner is moving at a constant speed of 8.00 m/s around a circular track. If the distance from the runner to the center of the track is 28.2 m, what is the centripetal acceleration of the runner?

3. ## algebra 1

What is 47.2% as a fraction or mixed number in simplest form?

4. ## Social studies

Describe the effects of cultural diffusion in Southwest Asia. Explain what cultural diffusion is, and then tell how different groups have reacted to modern ideas in different ways.

5. ## physics

A fully loaded 737 aircraft takes off at 250km/h.If its acceleration is a steady 3.3 , how long a runway is required? How much time does it take the plane to reach takeoff?

6. ## geometry

the bases of a trapezoid have measures of 16 and 8. find the measure of the median.

7. ## Physics

A 0.25 kg ball moving at 19.0 m/s is hit by a bat. The ball leaves the bat at a speed of 38 m/s in the opposite direction. If the bat is in contact with the ball for 0.01 s, find the magnitude of the average force exerted on the ball by the bat.

8. ## Psychology

Check my answers, please? If you're an eligible woman in search of Mr. Right, chances are that you're most likely to be impressed by a man's A. thrift and money-management skills. B. age—if he's several years your junior. C. record of steady employment.

9. ## math

Jo has 37 coins (all nickels, dimes and quarters) worth \$5.50. She has 4 more quarters than nickels. How many of each type of coins does she have? d=#dimes n=#nickels q=#quarters. ============== d+n+q=37 n+4=q 0.1d + 0.05n + 0.25q = 5.50

10. ## Statistics

The Amount of filling a half-liter (500ml)soft drink bottle is normally distributed. The process has a standard deviation of 5ml. The mean is adjustable. A. Where should the mean be set to ensure a 95% probability that a half-liter bottle will not be under

11. ## Physics

You build a toy model of a water slide. A red 250 g toy car slides down a 40 degree frictionless ramp. At the bottom, just at it exists onto a horizontal part of the slide, it collides with a purple 500 g car at rest. How high should you make the water

12. ## Physics/Science

During a baseball game, a batter hits a pop- up to a fielder 72 m away. The acceleration of gravity is 9.8 m/s^2. If the ball remains in the air for 5 s, how high does it rise?

13. ## Chemistry

25.0 mL of a NaCl solution (concentration unknown) was found to react with 20 drops of the chloride test solution from the PU Chloride Test Kit. Calculate the mass of NaCl (in grams) in this solution. Calculate the mass of NaCl required to prepare 0.250 L

14. ## Calculus

A trough is 15 ft long and 4 ft across the top. Its ends are isosceles triangles with height 3 ft. Water runs into the trough at the rate of 2.5 ft3/min. How fast is the water level rising when it is 0.89 ft deep? Give your answer correct to 3 decimal

15. ## trig

Point P is located at the intersection of a circle with a radius of r and the terminal side of an angle q. Find the coordinates of p to the nearest hundreth. q = -60° , r = 7

16. ## Chemistry

What is the concentration of a solution which contains 1 mole of CaCl2 dissolved in 2000mL of solutions?

17. ## Physics

A proton of mass m undergoes a head on collision with a stationary atom of mass 13m. If the initial speed of the proton is 485 m/s, find the speed of the proton after the collision.

18. ## physics

The fastest major league pitcher throws a ball at 40.0. If he throws the ball horizontally, how far does it drop vertically on the 17.7 trip to home plate?

19. ## Geometry

One leg of an isosceles right triangle is 14cm long. Find the length of the hypotenuse. C^2=a^2+b^2 C^2=14^2+14^2 392=14^2+14^2? What do I write? Because 14 square root 2 doesn't make sense.

20. ## Math

Sherry earned a 7% raise last year. If her salary is now \$27,285, what was her salary last year?

21. ## geometry

the bases of a trapezoid have measures of 16 and 8. fine the measure of the median.

22. ## algebra

1. 18 m/min = cm/s 2. 5.7 gal/h = c/min 3. 264 yd/s=? mi/h Anyone know the answers to these?

23. ## Statistics

Choose and observational study for and independent project using 3 between subjects and Anova

24. ## Statistics

example of a finished apa independent project with between subjects and analysis of variance

25. ## Help with American History

How did Revolutionary ideology challenge the way minorities were treated in America? What changes in this treatment resulted from this challenge, and why did some minorities find their circumstances improved while others did not?

26. ## Biology

Is there a mathematical way of writing Newton's three laws of motion

27. ## Algerbra

if possible, solve the nonlinear system of equations. x^2+y^2=58 y-x=4

28. ## Physics

A car (mass 800 kg) is traveling with a speed of 37 mi/h. A bug (mass 8.7 mg) is traveling in the opposite direction. What speed would the bug need in order to slow down the truck by one mile per hour in a big bug splash (i.e., final speed 36 mi/h)?

29. ## Algebra

Can someone explain how you get 8-6i out of (3-i)^2

30. ## Algebra

Write the following as an inequality. Y is less than or equal to 3 and greater than -7

31. ## ENGLISH

WHAT IS THIS WORD? DLARIEY

32. ## statistics

Determine the condition on coefficients "a subscript i" so that the linear combination "Summation symbol from i=1 to n for 'a subcript i'times 'X subscript i'" is an unbiased estimate of E[X].

33. ## chem 101

how can a calorimeter constant be determined experimentally?

34. ## A.P. U.S. History

What role did George Washington play in the 1750’s?

35. ## Physics

Who was Isaac Newton? Write a brief paragraph about his life and work (include a bibliography)

36. ## english

what do you call a person who can not function with out a leader

37. ## english

sentence using cardiologist

1. ## Trigonometry

79.5cos37.17 = 63.4 miles north 79.5sin37.17 = 48.0 miles west

posted on February 29, 2020
2. ## algebra

shona is right 100%

posted on September 19, 2017
3. ## ss

yeah why are you even in this websites you said that your dad is best friend of the principal and you are in this website are you even from connection academy cuz i don't believe you and don't say that he cheated cuz he just needed help on something :D (oh

posted on February 9, 2016
4. ## PHYSICS

25 m/s to the right

posted on February 2, 2016
5. ## Science

True

posted on December 10, 2015
6. ## Physics/Science

TO ANYONE WHO SEES THIS - NEVERMIND, I GOT IT.

posted on November 12, 2015
7. ## biology

oxygen

posted on October 26, 2015
8. ## Algerbra

thank you x)

posted on November 23, 2013
9. ## English

i think it would be a tree

posted on March 11, 2012
10. ## Chemistry

g/l

posted on October 3, 2010
11. ## physics

3.3m/s^2

posted on September 20, 2010
12. ## Cultural Diversity

The class is an ethics class. It talks about whites, blacks, asians and all the races

posted on September 3, 2009
13. ## english

what is aquaphobia. describe what someone is like with aquaphobia how may this person gotten this fear is there a cure and what is it

posted on February 10, 2009
14. ## chemistry

Yes, the reaction shifts to the right. Because the reactant concentration increased, equilibrium will be shifted to product

posted on November 14, 2008
15. ## Social Studies

Thank You!

posted on October 1, 2007