andreasawyer1 andreasawyer1

23-02-2017
Mathematics

contestada

Solve the problem as directed. If x and y vary directly, and x = 10 when y = 3, what will be the value of x when y = 9?

Respuesta :

hayszbb hayszbb

23-02-2017

X will equal 30. If y equals 9, then that means it was multiplied 3 times, so you do the same with x. 10*3=30.

Answer Link

fantasybreeze7 fantasybreeze7

23-02-2017

A simple ratio will probably work. 10=3
x=9?
Cross multiply. 3x= 90 This x=30

Answer Link

Otras preguntas

What is 7.3939393939 (a repeating decimal) written as a fraction?!?!?!?!?!PLEASE HELP ASAP !

factor completely 16x^2 + 24x + 9

Find the circumference and area of the circle whose equation is (x-9)^2 + (y-3)^2 = 64. Leave the answer in the terms of pi

use the Binomial Theorem to expand (x - 2y)^3

How can I anwser this one? ? 4x2+16x=0

Two batches of soup will serve 8 people. Lonnie needs to make enough soup for 120 people. If the recipe calls for 2 onions for one batch, how many onions will L

When the sum of a number plus 3 is squared, it is 9 more than the sum of the number plus 2 when squared.

Write an inequality for the given statement: Two-thirds of a number, decreased by 4, is less than 6.

a number increased by 8 gives the same result as a number multiplied by 8. whay is that number?

fifteen percent of the workers at nationwide industries earn minimum wage. if 24 workers earn minimum wage, how many total workers are there at nationwide indus