Register

If y varies directly as x, and y is 20 when x is 4, whats this relation?

If y varies directly as x, and y is 20 when x is 4, whats this relation?
233k views
5 votes
If y varies directly as x, and y is 20 when x is 4, whats this relation?

User Evgueni
by
8.6k points

1 Answer

2 votes
y α x

y = kx

20 = k*4

20 = 4k

20/4 = k

5 = k

k = 5

Relation is y = kx , that is y = 5x
User Kiquenet
by
7.7k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Write words to match the expression. 24- ( 6+3)
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Mr. Jacob is 55 years old and tony is 7 years old. in how many years will mr. Jacobs be 4 times as old as Tony
Link Copied!