berkeleystir berkeleystir

01-04-2019
Mathematics

contestada

solve the systems of equations using substitution.
-3x + 2y = 12
x = 2y - 8

Respuesta :

hamzacx hamzacx

01-04-2019

-3(2y-8) + 2y = 12

-4y + 24 = 12

-4y = -12

y=3

x=2(3)-8

x=-2

Answer Link

Otras preguntas

When a sentence includes a participle phrase the phrase functions as?

Find the volume of the shaded region of the cylinder

How do forests maintain the composition of air

Night vision glasses detect energy given off by objects as 1ultraviolet waves. 2radio waves. 3 microwaves. 4infrared waves.

Who can change voter qualifications?

a(a+5) expand and simplify

Describe the following variation y/x^2=5 A. y varies inversely as the square of x. B. y varies directly as x. C. y varies directly as the square of x. D. y var

A box contains 20 cards numbered 1–20. You select a card. Without replacing the first card, you select a second card. Find P(1, then 20).

Determine whether the formula describes y as a function of x. Explain your reasoning. y = -3x2 - 7x - 6

Answer this question before making any changes to spending percentages. According to the 2012 budget, which two functions received the most spending? (more than