AP

Most popular questions and responses by AP
1. Algebra

The area of a rectangular painting is given by the trinomial x^2+2x-15. What are the possible dimensions of the painting? Use factoring. ( x + 5 ) and ( x - 3 ) ( x + 5 ) and ( x + 3 ) ( x - 5 ) and ( x - 3 ) ( x - 5 ) and ( x + 3 )

2. Math

a model rocket is launched from roof into a large field the path of the rocket can be modeled by the equation y= -0.02x^2+2.3x+6 where x is the horizontal distance ,in meters,from the starting point on the roof and y is the height in meters,of the rocket

3. Math

Since opening night, attendance at Play A has increased steadily, while attendance at Play B first rose and then fell. Equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. On what day(s)

4. Physics

Piano tuners tune pianos by listening to the beats between the harmonics of two different strings. When properly tuned, the note A should have the frequency 440 Hz} and the note E should be at 659 Hz}. The tuner can determine this by listening to the beats

5. Physics

A whistle you use to call your hunting dog has a frequency of 24 kHz, but your dog is ignoring it. You suspect the whistle may not be working, but you can't hear sounds above 23 kHz. To test it, you ask a friend to blow the whistle, then you hop on your

6. math

the 6th term of A.P. is 5 times the fifth term and the 11th term is exceeds twice the fifth term by three.find the 8th term

7. algrebra 1

A secretary at the police department makes \$8 less per hour than the dispatcher. The combined hourly wage of the secretary and the dispatcher is \$40. Which equation could be used to find the hourly wage of the dispatcher? A) 2x + 8 = 40 B) 2x − 8 = 40 C)

8. algebra 1

Marcos drove twice as far as Candice. Together, they drove 66 miles. Which equation can be used to find the number of miles Candice drove? A) 3x = 66 B) 2x+1/2x=66 C) 3x = 66 + x D) 3x=66-x

9. University Physics

Betty Bodycheck (mB = 60.3 kg, vB = 22.0 km/h in the positive x-direction) and Sally Slasher (mS = 44.5 kg, vS = 28.0 km/h in the positive y-direction) are both racing to get to a hockey puck. Immediately after the collision, Betty is heading in a

11. algrebra 1

A 180 ft long board is cut into 3 pieces. The second piece of board is twice as long as the first. The third piece of board is six times as long as the first. What is the length of the first piece of the board A) 20 ft B) 40 ft C) 60 ft D) 120 ft

12. History

The Texans rebelled against mexico because of a? a. santa anna's withdrawl of constitution b. a desire to join the US c. the affair at goldiad d. the massacre at the alamo

13. algrebra 1

The area of a rectangle is 128 in². If the length is twice the width, what is the length of the rectangle? A) 64 in. B) 16 in. C) 8 in. D) 4 in. The length of a swimming pool is 22 ft. The width is 40 ft. If the volume of the pool is 2,500 ft³, which

14. physics

A block of ice of mass m rests on the very top of a smooth metal hemishpere. The tiniest nudge sends it sliding down the side of the hemisphere. The acceleration of gravity is g and the radius of the hemisphere is R. At what angle, with respect to the

15. Math

A factory produces 7,482 widgets per day. It ships these widgets in 2 crates. Each widget sells for \$7. How much money does one crate earn?

16. CALCULUS

For the sequence below, determine whether they converge or not, and find the limit when the sequence converges. an=4^n/n! an=nsin(1/n)

17. health science

Describe one of the contemporary models of health from another country, and explain its strengths and weaknesses?

18. chemistry

A sample of gas has an initial volume of 20.9 L at a pressure of 1.4 atm If the sample is compressed to a volume of 12.9 L: , what will its pressure be? (Assume constant temperature.) Thank you

19. ALGEBRA

The distance between (0, 0) and (0, 1) on a certain coordinate plane is 1cm. The distance between (0, 0) and (1, 0) on that same coordinate plane is 1cm. What is the distance between (0, 0) and (1, 1)? Explain your answer.

20. probability

What is the probability of obtaining exactly two heads in three flips of a coin, given that at least one is a head?

21. math

Stacey earns \$2,550 per month at her job at the library. After 7 months of saving her money, she buys 3 laptop computers for her children. Each laptop costs \$562. How much money does Stacey have left?

22. physics

How much work must an ideal refrigerator perform to make 1 kg of ice at -10C from 1 kg of water at 20C when 20C is also its exhaust temperature?

23. CALCULUS

Evaluate limit L'Hospitals Rule: lim x->0+ (x)^(pi/2)

24. Math

What is the probability of obtaining exactly two heads in three flips of a coin, given that at least one is a head?

25. environment Science

Global perspectives on environmental health: Identify the 3 components of the environment,Briefly describ the major classess of pollutant in each category and their effect on health, Explain how sustainable development affects the environment.

1. Math

The two lines intersect at the point (4, 214). This means that the attendance was 214 for both plays on the 4th night right?

posted on May 27, 2018
2. Math

117.55? Thanks Reiny!!

posted on May 27, 2018
3. Algebra

Ohhhhh thanks SO MUCH Steve!

posted on May 27, 2018

5656

posted on October 24, 2017
5. Physic

68

posted on February 18, 2016
6. Physic

there are 6 nodes in the diagram

posted on November 8, 2009
7. Physic

what is the speed of the sound

posted on November 8, 2009