1. Math

Two pumps are filling a pool. One of them is high power and can fill the pool alone in 2 hours less time than the other can do so. Given that, working together, both pumps can fill the pool in 144 minutes, how long, in hours, will it take the powerful pump

2. Math

What is the slope m of a line that is perpendicular to the line represented by x = 6? (If an answer is undefined, enter UNDEFINED.)

3. Biology

the primary function of the sensory division of the peripheral nervous system is to transmit impulses

4. Science

Chemical energy can be transformed into mechanical energy in a fan. However, what is the step that is missing from the diagram that shows how this transformation works?

5. chemistry

What is the net ionic equation for the reaction of formic acid and methylamine

6. Math

Complete the table by solving the parallelogram shown in the figure in the website link below. (The lengths of the diagonals are given by c and d. Round your answers to two decimal places.) www.webassign.net/larpcalclim2/6-2-021.gif a=22 b=39 c= d= θ=58

7. Math

The angles of elevation θ and ϕ to an airplane are being continuously monitored at two observation points A and B, respectively, which are 5 miles apart, and the airplane is east of both points in the same vertical plane. (Assume that point B is east of

8. math

The sum of ten and the quotient of a number xxx and 666.

9. Math

Write the formula for the parabola that has x-intercepts (−2,0) and (4.6,0), and y-intercept (0,1.5)

10. math

The vertices of ΔABC are A(2, –5), B(–3, 5), and C(3, –3). The triangle is reflected over the x-axis. Use arrow notation to describe the original triangle and its reflection. a. A(2, –5), B(–3, 5), C(3, –3) --> (2, –5), (–3, 5), (3, –3)

11. Math - repost

The angles of elevation θ and ϕ to an airplane are being continuously monitored at two observation points A and B, respectively, which are 5 miles apart, and the airplane is east of both points in the same vertical plane. (Assume that point B is east of

12. Math

A bridge is to be built across a small lake from a gazebo to a dock. The bearing from the gazebo to the dock is S 41° W. From a tree x = 100 meters from the gazebo, the bearings to the gazebo and the dock are S 74° E and S 28° E, respectively (see

13. English

Nigeria my country 300 words

14. Algebra

Write an equation of a circle with the given center and radius. center (-7, -6) and radius 2. A. (x+7)^2+(y+6)^2=4 B. (x-7)^2+(y-6)^2=2 C. (x+7)^2+(y+6)^2=2 D. (x-7)^2+(y-6)^2=4

15. physics

a body whose mass is 40kg runs up a flight of 30 steps each 150mm high in 6 second fine the average power developed

16. English

can someone who is knowledgeable in english literature please check my answers thank you. 1.)which of the following phrases from ''the rear-guard'' is an oxymoron? a.''blackening wound'' b.''stinking place'' c.''rosy gloom'' d.''unanswering heap'' i chose

17. chemistry

Why do some compounds and elements exist as a liquid at room temperature, while others are solids and gases? What forces are involved?

18. Math

Complete the table by solving the parallelogram shown in the figure in the website link below. (The lengths of the diagonals are given by c and d. Round your answers to two decimal places.) www.webassign.net/larpcalclim2/6-2-021.gif a=22 b=39 c= d= θ= °

19. Math

A plane flies 505 kilometers with a bearing of 316° (clockwise from north) from Naples to Elgin. The plane then flies 770 kilometers from Elgin to Canton (see figure in the link below). Canton is due west of Naples. Find the bearing of the flight from

20. Math

Which would you measure in kilograms? A. the mass of a butterfly B. the capacity of a bottle C. the mass of a basketball D. the length of a river I personally think it's D. I've seen the other questions that are similar just that C. isn't the same answer

asked by Ms.Sue pls help me
21. Math

1. Choose the correct way to read this number. 32.507 A. thirty-two and five hundred seven hundredths B. thirty-two and five hundred seven thousandths C. thirty-two point five zero seven D. three hundred twenty-five and seven hundredths Answer: B 2. Choose

22. Math

1. Select the list that shows the numbers in order from least to greatest. A. 0.37, 0.508, 0.717, 0.33 B. 0.508, 0.717, 0.37, 0.33 C. 0.33, 0.37, 0.508, 0.717 D. 0.508, 0.37, 0.717, 0.33 Answer: C 2. Select the list that shows the numbers in order from

23. Math

An apartment complex has an in-ground pool that is in the shape of a cylinder with a diameter of 18 feet and a height of 5 feet. The pool is filled with water to a depth of 4.5 feet. If each person who enters the pool displaces about 2.5 cubic feet of

24. Math

Find the volume of the rectangular prism A) 23in B) 297in C)318in D) 159in

25. Math

1. Choose the list that shows these numbers in order from smallest to largest. 0.32, 0.321, 0.3, 0.345 A. 0.321, 0.32, 0.3, 0.345 B. 0.3, 0.32, 0.321, 0.345 C. 0.32, 0.3, 0.345, 0.321 D. 345, 0.321, 0.32, 0.3 Answer: B 2. Choose the list that shows these

26. Rational Expressions

Simplify. State the restrictions on the variable. (6y-30/(y-1)) * (5y-5/3y^2-15y)

27. Math

An aquarium tank is built as a cylinder with a radius of 10 ft and a height of 12 feet. If the water weighs 62.43 lb per cubic foot, what is the weight of the water in the aquarium when it is full of water? Use 3.14 for pi and round to the nearest pound.

28. Physics

So I have this lab where one of the questions asks to find the average acceleration (m/s^2) The formula is a=v2-v1/change in time I don’t understand how to solve this since I only have the average time and distance in (m) for the marble

29. Chemistry

At 603K,Kc for the reaction NH4Cl(g)NH3(g) + HCl(g) is 0.011.What is the equilibrium concentration of NH3(g) if the initial concentration of NH4Cl(g) is 0.500M?

30. Math

1. Select the proper fraction. A. 3/3 B. 4/1 C. 12/6 D. 2/17 Answer: D 2. Select the proper fraction. A. 6/3 B. 8/1 C. 15/15 D. 3/11 Answer: D 3. Select the proper fraction. A. 11/11 B. 4/1 C. 9/10 D. 5/3 Answer: C 4. Select the improper fraction. A.14/18

31. Math

Select the correct way to read this number: 68.018. A. sixty-eight and eighteen hundredths B. six hundred eighty and eighteen hundredths C. sixty-eight point one eight D. sixty-eight and eighteen thousandths Answer: D

32. Calculus

Calculate the area under the graph of f(x)=1/(x^2+1) in the first quadrant a) pi/4 b) pi/2 c) pi d) infinite

33. History

Which defines caste system? Hindu practice of determining social status by birth Muslim system of separating men and women in society European feudal practice of granting knighthood to a warrior Buddhist belief of spiritual equality based on nirvana

34. Geometric Progression

The second term of a geometric Progression is 12 more than the first term. If the common ratio is half of first term, find the third term.

35. Math

What is the relationship between two lines whose slopes are −7 and 1/7? a) The lines are parallel to each other b) The lines are mirror images of each other, reflected over the x-axis c) The lines always cross at the origin. d) The lines are mirror

36. Math

1) Use the point on the line and the slope m of the line to find three additional points through which the line passes. (There are many correct answers.) (3, −2), m = 0 a) (3, −2), (3, −4), (3, −6) b) (3, 4), (3, 1), (3, 11) c) (6, −2), (6,

37. physics

A driver of an 1800kg/hr including passengers travelling at 25m/s slams the brake locking the wheels on the dry pavement. The coefficient of kinetic friction between the rubber and the dry concrete is typically 0.7.calculate how far the car will travel

38. Math

Select the improper fraction that is not equivalent to the whole number 3. A. 21/7 B. 21/9 C. 3/1 D. 27/9 Answer: B

39. Science

Compare and contrast types of infectious agents and how they spread

40. math

What is the percentage of sugar in the syrup made of 10 kg of water and 15 kg of sugar?

41. Physics help

find the average acceleration (m/s^2) The formula is a=v2-v1/change in time I don’t understand how to solve this since I only have the average time and distance in (m) for the marble Please explain using steps I’m really stuck

42. math

Jill said that an angle is made of two rays.is she correct? explain

43. math

A right cylinder has a radius of 6 m and a surface area of 84 m². Find the surface area of a similar cylinder with a radius of 2 m

44. English

If I had studied harder If I had studied hard What is the difference between them?

45. Physics

In using a pulley system,an Effort of 100N is needed to raise steadly a load of 800N.(a)what is the mechanical advantage?(b)if this Effort moves through a distance of 20m and the load is moved up a distance of 2m caculate the velocity ratio.

46. calculusII

how does thederivative of -2xcos(x^2)= -4xcos(x^2) -2sin(x^2) and not -4x^2cos(x^2) -2sin(x^2)?

47. maths

The debate team has m members. Each member sold 8 coupon books as a fundraiser. What is the expression that shows the number of coupon books the club sold.

48. Geology

If the earthquake in Forks,WA is ranked 7.1 M, list the modified mecalli intensity ranking and explain the expected damage associated with this magnitude of an earthquake. Please help ASAP!!! :(