habtoms28 habtoms28

15-03-2022
Mathematics

contestada

Are 5n + 9 + n and 3(2n + 9) equal expressions use substitution to take your answer

Respuesta :

Heather Heather

15-03-2022

Answer: They are not equal expressions

Since this asks to solve by substitution, I will substitute with the number 2:

5n + 9 + n

5(2) + 9 + (2)

10 + 9 + (2)

21

-

3(2n + 9)

3(2(2) + 9)

3(4 + 9)

3(4 + 9)

39

The answer is no, because 21 ≠ 39

Answer Link

Otras preguntas

Paul had 48 fliers to post around town. Last week, he posted 13 of them. This week, he posted 14 of the remaining fliers. How many fliers has he still not

HELP You plan to borrow $625 for 2 years at 10% simple interest. How much interest will you pay on the loan? A. $6.25 B. $12.50 C. $62.50 D. $125.00

pathogens are A. disease causing organisms B. Stressors C. Factors that may eliminate stress D. diseases that predispose people to stress

The European state model includes all of the following except

4) Stan owns 4 5 of an acre of land. Of that, 2 3 of the land is fenced. How many acres of land is fenced? A

To construct an inscribed circle of the ΔABC, how would you find the incenter of ΔABC? construct the angle bisectors for ∠A and ∠B only construct the angle bi

What impact did the magna carta have on western history?

A circular racetrack has a radius of 500 m. what is the displacement of a bicyclist when she trave

Please help! I can't figure out the answer!

draw each figure. be sure to do the following: label the requested parts of the figure classify the figure A closed figure with at least 1 obtuse angle My figu