Ma7ggiebearonya Ma7ggiebearonya

01-10-2016
Mathematics

contestada

Which has an identity
a. 8 - (5x 2) = -5x - 6
b. 7z 10 - 2 = 8z - 2 (z - 5)
c. 8m - 4 = 5m 8 - m
d. 6y 5 = 6y - 5?

Respuesta :

nobillionaireNobley nobillionaireNobley

09-10-2016

7z + 10 - z = 8z - 2(z - 5)
6z + 10 = 8z - 2z + 10
6z + 10 = 6z + 10
0 = 0

Therefore, option b has an identity.

Answer Link

Otras preguntas

2(x + 3) = 3(2x - 2)

Judy wanted to figure out the mass of her backpack. She put the pack on a balance and added 3, 6, and 4 kg weights so that the balance was even. What is the mas

Don't buy or use old infant cribs or other infant sleep equipment A. without first checking that they meet the CPSC standards. B. unless a family has given it t

How do dilations change or preserve the properties of the original figure ?

What do you know about healthcare workers and the coronavirus pandemic?

Describe the physical characteristics of the Belgian blue cow how does this cow compare to the more common type of cow that we see on farms or commercials

WILL GIVE BRAINLIEST. Lizzy’s cell phone plan charges 5 cents per message for in-network text messages and 10 cents per message for out-of-network text messages

Smithville is 30 miles due south of Jonestown, and Brighton is 72 miles due east of Smithville. What is the distance from Jonestown to Brighton in miles?

Which might be included in a critical annotation? A. a complete list of the author's writings B. a description of additional resources in the text C. definition

Which of the following statements best describes the term "suffragist" during the late 1800's and early 1900's? Please select the best answer from the choices p