chandislilly chandislilly

20-01-2015
Mathematics

contestada

PLEASE HELP

Variable y varies directly with x2, and y = 75 when x = 5.

What is the value of y when x = 3?

y =

Respuesta :

21-01-2015

[tex]y=75\ \ \ \ x=5\\\\ y=?\ \ \ \ \ x=3\\\\ proportion:\\ \frac{75}{y}=\frac{5}{3}\ \ \ | cross\ multiplication\\\\ 75*3=5y\\\\ 225=5y\ \ \ | divide\ by\ 5\\\\ y=45 [/tex]

Answer Link

Otras preguntas

The side of the purse can be modeled with an isosceles trapezoid with KN=3x+1.5, KL=5x+1, LM=6x - 7.5, and MN=4x Find the value of X= if m/N-101, then The m/K=

ery ly e. Their uncle told them to wait d They followed their uncle's instructors e. they had to stop at the top (7) How many people altogether do you think pro

identify explain two other pricing strategies X and z could use

number 11 pls i need it fast

Simplify, eliminate negative exponents[tex] (\sqrt[3]{x {}^{2} } \times \sqrt[6]{x {}^{ 4 } } ) ^{ - 3} [/tex]

Summary How are the American identity and American literature connected?

what is the speed of water when leave as A2? A1=4cm^2 v1=0.9m/sA2=12cm^2V2=?

Heaving or squeezing, would be indicated by which of the following signs

Jane’s chocolate bar is 74% cocoa. If the weight of the chocolate bar is 63 grams, how many grams of cocoa does it contain? Round your answer to the nearest ten

write a paragrahp describing the rescue from thors point of view