barbiana barbiana

03-07-2019
Mathematics

contestada

assume y varies directly as x if y = 7 when x=3 find x when y=21

Respuesta :

eddiezarate12 eddiezarate12

03-07-2019

Answer:

x=9 when y=21

Step-by-step explanation:

I used cross multiplication

7:3=21:x

7x=63

x=9

Answer Link

Otras preguntas

Under the rule of law, which government officials are subject to the law? Only those who are appointed Any government official except those in the judiciary

A tariff is a ____________. test book flag tax

Hans buys a bag of fertilizer at the store. It reads 30-15-10. How much nitrogen is in the fertilizer? 30% 15% 10%

PLEASE HELP!!!!!!If g(x) = 2 − 1, what is g(−2.3)? a.-7 b.-5 c.-4 d.-3

Your company took a start up loan at 5% interest. You also took a capital improvement loan for 7% interest. The start up loan is eight times larger than the imp

is hose a double vowel word

110,000 ________________Americans were forcibly uprooted from their West Coast homes to be sent to remote relocation camps. German Japanese Italian

Which of the following is one of the major considerations involved when a company develops its marketing strategy?

What factors should be considered when putting together a personal fitness program?

What's 3z - 4 and 2z + 5