nicolexprincess nicolexprincess

08-12-2015
Mathematics

contestada

In fifteen minutes, Lena can finish 2 math homework questions. How many can she finish in 75 minutes?

Respuesta :

08-12-2015

Since 75 minutes is 5 times of 15 minutes, she can finish in proportion 2*5 = 10 homework problems.

Answer Link

VenusRetrograde VenusRetrograde

08-12-2015

Answer= 10 math problems

2math problems x math problems
______________=_______________
15 minutes 75 minutes

cross multiply
15x=150
divide both sides by 15
x=10 math problems

Lena can finish 10 math problems in 75 minutes

Answer Link

Otras preguntas

Describe this and that

For a second order reaction, the half-life is equal to:_____.

y + (-3 y2 ) +2( y2 - 6y) simplify

The ground-state electronic configuration of the manganese atom, Mn, is:_____. A) 1s2 2s2 2p6 3s2 3p6 4s2 4d5. B) 1s2 2s2 2p6 3s2 3p6 3d7. C) 1s2 2s2 2p6 3s2 3p

differentiate between Plant and Animal cell. Please tell fast in big.

Complete the table for the given rule. Rule: y=x-1/4 4 y 1 13 4 2

Does the galvanometer deflect to the left or the right when:________ a) the is being pushed in b) the magnet is being pulled out c) the magnet is being held

What’s the z score ?

Calculus 2 Master needed, show steps with partial fraction decomposition [tex]\int(3x^2-26x+26)/((x-5)(x^2+4))} \, dx[/tex]

A society is a group of people who live in a defined territory and participate in a common culture. True False ?