mashysheep2006 mashysheep2006

10-03-2020
Mathematics

contestada

y is inversely proptional to x when y = 7, x = 9 a) work out an equation connecting y and x b) work out the value of y when x = 21

Respuesta :

hmoodya hmoodya

19-03-2020

Answer:

a) yx=63

b) y=3

Step-by-step explanation:

a)

yx=k (inverse formula)

7(9)=k

63=k

b)

y(21)=63

y=63/21

y=3

Answer Link

Otras preguntas

A recipe that makes 7 servings calls for cup of apple juice and cup of cranberry juice. How many cups of juice are there per serving? A. B. C. D.

How to solve. -3(4r-8)= -36

How do I solve 4a-3=2a+7

What is 4.27 repeating as a mixed number

What is the answer to this equation 4x-9=2x+5

Which aspect of a chemical reaction is affected by an enzyme

What are four numbers that fall between 9.18 9.19

Light in vacuum travels at a speed of 3.00 x 10^8 m ^-1 s^-1 on average earth is 93,000,000 miles from the sun how many minutes does it take sunlight to reach

Where are slides placed on a microscope?

999.999 rounded to nearest hundredth? 999.1?