child21
child21
24-01-2019
Mathematics
contestada
Solve with elimination please
Respuesta :
meredith48034
meredith48034
24-01-2019
7(5x + y = 9)
10x - 7y = -18
35x + 7y = 63
10x - 7y = -18
45x = 45
x = 1
5(1) + y =9
5 + y = 9
y = 4
(1,4)
Answer Link
VER TODAS LAS RESPUESTAS ( 76+ )
Otras preguntas
A pet store is advertising that everything is 20% off the entire weekend. You also have a coupon for an additional 10% off your entire purchase after any store
3. A chemist collects 59.0 mL of sulfur dioxide gas on a day when the atmospheric pressure is 0.989 atm. On the next day, the pressure has changed to 0.967 atm.
PLEASE HELP!! YOU'LL GET BRAINLIEST IF CORRECT!
Which choice is the solution to the inequality below? 11x > 22 O A. x> 2 O B. x 22 O c. x> 2 O D. x > 231 Please help I didn’t study for this.
How would you do this type of problem?
please help!!! A chemist dilutes 2.0 L of a 1.5 M solution with water until the final volume is 6.0 L. What is the new molarity of the solution? show work.
What is the surface of this rectangular prism? I-Ready
Kayla has 8 apples. she wants to give 3 fourths of the apples to her friends. how many apples will her friends get?
Which expression is NOT equivalent to -20? O A (-80) 4 80 В — (0) ОО с (30) 80 ор 80 (-4)
(03.04 LC) Which federal legislation gives consumers the right to dispute incomplete or inaccurate information in their payment history? O The Credit Card Accou
