ketrionagrimes ketrionagrimes

13-03-2020
Mathematics

contestada

כד,12
-2(-x+5y) +3(2x – 6y) ?
C. 4x – 28y

Respuesta :

13-03-2020

Step-by-step explanation:

[tex]-2(-x+5y)+3(2x-6y)\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\=(-2)(-x)+(-2)(5y)+(3)(2x)+(3)(-6y)\\\\=2x-10y+6x-18y\qquad\text{combine like terms}\\\\=(2x+6x)+(-10y-18y)\\\\=8x-28y[/tex]

Answer Link

Otras preguntas

A bag has 4 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick a yellow marble, do not replace it, and pick a red marble?

which of the following expressions are equivalent? Justify your reasoning.

Find the length of MT for which MATH is a parallelogram

When asked to factor the x^2-121 a student gives the answer (x-11)(x-11) what is wron with this answer?

(a): FInd the coordinates of the vertex (b): Find the intercept(s). For both the x- and y-intercepts, make sure to do the following: -If there is more than one,

The price of a notebook was $3.75 yesterday. Today, the price fell to $3.50. Find the percentage decrease. Round your answer to the nearest tenth of a percent.

It cost David $212 to make chocolate bars this month at least how many chocolate bars must his sell at eight dollars each in order to make a profit

Which Amendment changes a government practice?

Consider the point (-6,3) and line L: 4x-3y=5. Write an equation (a) for the line passing through this point and parallel to L, and (b) for the line passing thr

If the average of two positive integers is 11 and their product is 40, what is their sum?