derlerry derlerry
  • 13-07-2015
  • Mathematics
contestada

If y varies directly as x, and y=25 as x=5, find y when x=7.

Respuesta :

dln
dln dln
  • 13-07-2015
[tex]Direct\ variation:y=kx \\ \\ y=kx \\ 25=5k \\ \frac{25}{5}=k \\ 5=k \\ \\ y=5x \\ y=5(7) \\ y=35 [/tex]
Answer Link

Otras preguntas

which of the following sentences is correctly written
Which factor most contributed to the United States becoming a more multicultural society during the late 1700s and early 1800s?
A movie theater has a rows and b seats in each row how many seats are in the theater?
18. Which of the following budgets should be prepared first? A. Labor B. Production C. Materials D. Sales
What’s the answer to p-2.46=-4.56
Zack wants a new skateboard that costs $98. He has a coupon for 20% off the original price. The sales tax is 6%. What is the final cost that Zack will pay for t
Select all that apply. Select six of the aspects summarized in this section in which God's goodness is imparted to His people. mercy truth righteousness love co
In Athens, citizens included wealthy merchants males over the age of 18 males and females over the age of 30 land holding menQuestion 2(Multiple Choice Worth 1
At a political party convention the Presidential nominee gives the acceptance speech during the
Which best identifies a theme of “the glass milk “?