04-06-2018
Mathematics

contestada

slove the system of equations 3x-7y=5 and 9y=5x+5

Respuesta :

jinc0930 jinc0930

04-06-2018

3x-7y=5

9y=5x+5
-5x+9y=5

3x-7y=-5x+9y
8x=16y
x=16y/8
x=2y

3(2y)-7y=5
-1y=5
y=-5

-5(9)=5x+5
-45-5=5x
x=-10

Answer Link

Otras preguntas

After AT&T was split up by government litigation into a number of different entities (i.e., local phone companies, a long-distance phone company, and a phon

One package of doggy Burger contains eight burgers. The little dog ate 1/3 of the package, and the big dog ate 3/8 of the package. Which dog ate more?

A patient has a prescription for daily weights. How would the nurse weigh the patient toensure that the weight is as accurate as possible?

What happens to the value of f(x) = log2x as x approaches O from the right?

Livermore Industries uses a kanban system to manage production of the KR-9 subassembly. In a ten-hour day, they use 1500 units and use containers that can hold

what size volumetric flask would you use to create 1.50 M solution using 43.85 g of nacl

The time until recharge for a battery in a laptop computer under common conditions is normally distributed with mean of 265 minutes and a standard deviation of

Amelie is making a recipe that uses 134 cups flour. She is making 212 times the original recipe. Amelie draws this model to represent the number of cups of flou

UESTION 3 Researchers discovered that the curved carapace (shell) length of these turtles is approximately normally distributed with a mean of 55.7 centimeters

What is a good theme statement for Dr.jekyll and Mr. Hyde ?