fatcats fatcats

23-03-2017
Mathematics

contestada

m+n=100, m-n=30 what is m and what is n

Respuesta :

morgaine816 morgaine816

23-03-2017

First, you solve for m by adding the equations.
m+n=100
+ m-n=30
--------------
2m=130
m=65

Now plug in 65 for m into one of the original equations
65+n=100
n=35

You can double check by plugging them both in:
65+35=100 and 65-35=30

Hope that helps.

Answer Link

Otras preguntas

a quadratic equation is shown below x^2-14x+41=0 which of the following is the first correct step to write the above equation in the form (x-p)^2=q, where p and

Is the polygon a rhombus

What is an example of constructive criticism for an employee who frequently arrives late? A.)Arrange your clothes and pack your lunch the night before B.) Organ

What is 10+10 (2a-4)+(8a-6) using distributive property

Horses are measured in units called hands. One inch equals 1/4 hand. The average Clyedsdale is 17 1/5 hands tall. What is this height in inches? in feet?

Which countries had NO imperialistic (empire-building) motives for entering World War II? Russia United States Great Britain Germany

James has suffered hippocampal damage from a near-fatal bus crash. he is not able to remember verbal information, but retains the ability to recall visual desig

The Arab League was an organization established in 1945 to

What is the net force on a 2 kg skateboard acceleration at a rate of 2 m/s2

The two box plots represent the total number of touchdowns two quarterbacks threw in 10 seasons of play