edvin66 edvin66

09-03-2021
Mathematics

contestada

x +y=75 10x + y = 15

x y75 10x y 15 class=

Respuesta :

22dicer 22dicer

09-03-2021

Answer:

y=84

Step-by-step explanation:

multiply the top to eliminate the y

-x-y=-75

10x+y=48 and then subtract

9x=-27

x=-9

then plug x in for one of the two equations

-9+y=75 simplify

y=84

Answer Link

Otras preguntas

Reduction of O2 to form H20 occurs during

What caused the United States to go to war with Spain?

If you are lonely is it good to have someone with you? Or is it better to be alone?

A triangle has sides with lengths of 5 m, 4 m, and 3 m. Is it a right triangle?

One of the rows in Harry’s table does not have the same ratio as the other rows. Conversion Chart Gallons Cups Row 1 2 32 Row 2 5 80 Row 3 9 134 Row 4 12 192 Wh

Determine if the relation below is a function and state the domain and range.

HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Reflect the polygon, K(-4, 6), L(-2, -2), M(6, -1), N(8, 7); y=-1

Brayden is going to invest in an account paying an interest rate of 4.3% compounded monthly. How much would Brayden need to invest, to the nearest ten dollars,

compare felonies and misdemeanors which is more serious give n example of each.