fabeshoogran5ijahar fabeshoogran5ijahar

10-04-2017
Mathematics

contestada

Four times marie's age minus twice lisa's age is -10. lisa is three times as old as marie. how old is marie?

Respuesta :

Humans27 Humans27

10-04-2017

Marie is 5 years old

4m - 2l = -10 ------- x
l = 3m ---------------- y

sub y into x
4m - 2(3m) = -10
4m - 6m = -10
-2m = -10
m = -10/-2
m = 5 years old

Answer Link

Otras preguntas

i am still alive summary of pages 89-114

What is the answer to the blanks??!!! Pls answer WILL MARK BRAINLIEST!!

A recipe calls for 2 cups sugar to 3 cups flour. How many cups of sugar is needed for 9 cups of flour? a. 6 cups b. 4 cups c. 5 cups d 7 cups

A major goal of the Congress of Vienna was to- A. Support nationalist movements in Poland, Italy, and Germany B. Return Napoleon Bonaparte to power C. Establish

Last week, it rained g inches. This week, the amount of rain decreased by 5%. Which expressions represent the amount of rain that fell this week? Select all tha

8. An Isosceles triangle HIJ has sides HI and HJ as 19 meters each. If angle I and angle J are 67 degrees, what is the distance of IJ?

The writer wants to add information to the end of sentence 1 (reproduced below) to introduce the central comparison in the passage. When I decided to major in E

Count to find the slope. Write your answer clearly.

I need an answer to this problem

The manufacturer of Derrick’s car states that the car should get 25 miles per gallon of gas. Derrick plans to drive 400 miles. He used the equation 400=25g to d