melissanbello172 melissanbello172

24-05-2019
Mathematics

contestada

If y varies directly as x and y=4 when x=-2 find y when x=30

Respuesta :

surjithayer10otahza surjithayer10otahza

02-06-2019

Answer:

Step-by-step explanation:

y=kx

4=k(-2)

k=-2

y=-2x

when x=30

y=-2*30=-60

Answer Link

Otras preguntas

Balls A and B are thrown at the same angle from the ground, with an initial velocity for Ball A is 15m/s and Ball B is 25 m/s. Which ball will reach a larger di

What were two effects of the French Revolution in France?

The rectangular ground floor of a building has a perimeter of 780 ft. The length is 200 ft more than the width. Find the length and the width. The length is __

Thực hiện phép nhân, rút gọn rồi tính giá trị của biểu thức : a) x(x - y) + y(x + y) tại x = -6 và y = 8; b) x(x - y) = x^(x + y) + yx2 – x) tại x = 1 và y = -1

Helppppp which one is it?

Andrew is buying a dirt bike for $900. He will make $100 payments each month until the bike is paid in full. This is an example of what type of loan? A. Revolvi

Question is in the picture ^ (look at question ii - calculate the work done against gravity when the skier is pulled up the slope)

what were the 3 main ideas of the national policy canada

When metal X is treated with sodium hydroxide, a white precipitate A is obtained which is soluble in excess NaOH to give a soluble complex B. Compound A is solu

Translate I wouldn't speak with him into Spanish by filling in the missing letters: