# Questions Asked onDecember 23, 2016

1. ## Alegebra

Triangle ABC is dilated with a center at the origin and a scale factor of 2. (Picture showing the coordinates A(-2,2) B(1,3) C(1,0) What are the coordinates of triangle ABC? Also, please don't give me the answer but can someone please explain to me how you

2. ## Physics

How long does it take for sound to travel around the world ?

3. ## Probability & Statistics

The life expectancy (in hours) of a fluorescent tube is normally distributed with a mean 8000 and a standard deviation 1000. Find the probability that a tube lasts for more than 11000 hours.

4. ## grammar

He grows wheat in his field Change this voice

5. ## SAT Math

If m percent of 50 is equal to 20 percent of n, then what is the value of m/n? Thank you!

6. ## Math (Problem Solving)

Sasha took in a car loan with a maturity of 5 years in which the first payment was on December 2016. Right after paying the first month on December 15, she made an advance payment for two (2) months and he intends to pay extra month every two months. In

7. ## Algebra

The difference between two numbers is 13. When the greater number is divided by the smaller, the quotient is 2 and the reminder is 5. What are the numbers?

8. ## physics

What should be the minimum initial velocity with which a missile has to be launched so that it reaches a target of 1000km away in the same plane

9. ## Alegebra

A recipe calls for 2 cups of flour to make 24 cookies. Write and solve a proportion to find how much flour is needed to make 54 cookies. My answer: 4.5 because 54 divided by 24 is 2.25 and 2 x 2.25 is 4.5

10. ## trigonometry

if secA-tanA =10 than sinA =?,cosA =?,secA =?

11. ## mystery

42% of what number is 0.21?

12. ## mystery

There are 15 students on a yearbook committee. 40% of the students are females. How many students on the committee are males?

13. ## math

The radius of the sphere is 10 units. What is the approximate volume of the sphere? Use π = 3.14 and round to the nearest whole cubic units

14. ## Pre-calc Math

Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one decimal place. Below, enter your answers so that ∠B1 is smaller than ∠B2.) a = 78, b = 109,

15. ## Pre-calc Math

The path of a satellite orbiting the earth causes the satellite to pass directly over two tracking stations A and B, which are 95 mi apart. When the satellite is on one side of the two stations, the angles of elevation at A and B are measured to be 87.0°

16. ## Pre-calc Math

A tree on a hillside casts a shadow c = 210 ft down the hill. If the angle of inclination of the hillside is b = 21° to the horizontal and the angle of elevation of the sun is a = 51°, find the height of the tree. (Round your answer to the nearest foot.)

17. ## Maths

Construction of triangle ABC IN which AB-7cm BC-13cm and BD-3cm where AD perpendicular BC

18. ## Maths

A manufacturer of souvenir items makes key rings which sell for \$5.80 each. The cost of manufacturing is \$1250 to set up the process, and then \$0.80 per key ring. 1) Write a rule for the income in dollars, S, from selling n of these key rings. 2) Write a

19. ## algebra

If the sales of a new business were \$65000 in its first year and \$130000 in its fourth year ,find the rate of growth in sales per year......answer is \$2166667

20. ## math

Will, micah and sue went to dinner. Will paid 1/3 of the dinner bill. Micah and Sue paid in the ratio of 2:5. If Sue paid \$6. more than Will, how much did the dinner cost ?

21. ## maths

what are the coordinates of the three points that divide the line segment joining P(a,b) and Q(c,d) into four equal parts ...textbook answer is (3a+c/4,3b+d/4) is one of the three coordinats

22. ## maths

A small business predicts sales according to a straight line method. if sales were\$110000 in the first year and \$2000000 in the fourth year find the rate of growth in sales per year .......text book answer is \$30,000 per year

23. ## geography

cos 56 above

4. How does Shakespeare’s play Julius Caesar reflect central literary themes common throughout the Renaissance? (1 point) It honors the scholarly achievements and cultural glory of a utopian society. It advocates for political and religious reform

25. ## Physics

Describe a vibration that is not periodic. I'm not sure how to answer this! Please help?!

26. ## Science (physics)

The driver of a car travelling along a straight road with a speed of 72km/hour observe a signboard which give a speed limit to be 54 km/hour. The sign board is 70m ahead when the driver applies the break calculate the acceleration of the car which will

27. ## Language Arts

Passage: "Harriet Tubman: Conductor on the Underground Railroad" by Ann Petry 1) What is the implied main idea of the passage? A) Harriet and the fugitives only survived because of the kindness of others. B) Harriet worked hard to ensure the fugitives

28. ## HELP PLEASE

Write a translation rule that maps point D(7,-3) onto point D'(2,5). I though it told you left, right, up or down, how do I figure this out?

29. ## Math

Dylan met his goal today of completing 85% of his field goal attempts. He made 51 field goal attempts. How many attempts has he made this season

30. ## mystery

45% of what number is 17.1?

31. ## mystery

16% of what number is 17?

32. ## mystery

18% of what number is 63?

33. ## Spanish

what is the correct way to say i am going to study tonight in spanish.

34. ## algebra

Please show solution to simplifying this expression: ( 5z-2 )( 5z+2) Thank you.

35. ## algebra

Would you show me how to completely factor each of the following expressions. t^2 + 4tv + 4v^2 z^2 + 11z -42 Thank you for your help.

36. ## physics

Geostationary satellites are placed on orbits of radius 4.2×10^4m use this information to deduce g, the acceleration of freely falling body, at this height.

37. ## maths 10-3

Where would you cut a board that measures 3 ft 2 1/2 in to divide it into two equal pieces?

38. ## mathematics

given the mirror formula 1/f=1/v-1/u,f is the focal length of the lens u and v are object and image distance respectively .find f when u and v are 7.5cm and 3.5cm respectively

39. ## algebra

Please completely factor this expression. 5c^2 -24cd -5d^2 Thank you!

40. ## SPANISH

Explain the significance of baseball in Cuba.

asked by Can somone help me please!
41. ## Transformations

List a sequence of transformations which maps the graph of y=x^2 to the image with equation y=4*(2x-3)^2 + 1 Please help

42. ## Algebra

Solve for x ax^2 - 2ax - 4 =0

43. ## Maths

Find the value(s) of k for which the pair of equations: Equation 1: kx + (k+1)y = 8 Equation 2: 4x + 3ky = 4 (a) no solutions (b) a unique solution (c) infinitely many solutions Can you please use the gradient way and show your working? Thanks a lot

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44. ## Maths

4y-3x=25 is the tangent to the circle x^2+y^2=25 at the point P(-3,4). The equation of the radius of the circle that passes through P is... Working out is appreciated. Thanks a lot