chris2765 chris2765

01-08-2019
Mathematics

contestada

Expand the expression.
-7 (6 - 3)

-k - 21
-7k + 21
-7k - 21
K + 21

Respuesta :

Lorrain3 Lorrain3

01-08-2019

Answer:

(B.) -7k+21

Step-by-step explanation:

Your first step should be to solve your original expression.

-7×6=-42

-7x-3=21.

You're finishing numbers are -42 and 21.

-7k can equal to -42 if k is 6.

So we can use -7k

Since -7x-3=21, Then the answer would have to be:

-7k+21.

Answer Link

Otras preguntas

Will mark brainliest for whoever answers

You want to take out a loan to buy a new car for which you need to finance $20,089. Your bank will give you a loan at 10% compounded monthly. You look at your b

what fraction of 9 is 3

Sir Isaac Newton not only described the law of gravity, he discovered a mathematical relationship to measure the force of gravity between any two objects. True

University of North Texas has 3500 less than twice the number of students

tyyy uwu Find the area:

A metal ion (X) with a charge of 4+ is attracted to non metal ion (Z) with a charge of 3-. Which of these formulas represents the resulting compound? I need ans

HELP. How do I write an equation for the line in slope=intercept form?

plz five 10-15 facts on Garrett Morgan, will vote brainliest.

Pls answer this is a khan academy question