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

Wave action and plate movement are significant factors in the formation of

What was President Taft's official attitude towards trusts? A. He refused to break up trusts. B. He broke up only half the number of trusts that R

11. This question has two parts: List some important ideas that Walk Two Moons includes. Why did you choose those ideas? Tell how using a Reading Role helpe

Pleas help 99 points and get brainliest Describe how the AutoSum feature works. What does it do? Give one example of when you might use AutoSum.

What is the forest vegetation ??? urgent? !!!

Jenna is a scientist in a chemistry lab. Her experiment did not support her current theory. What should she do next?

How is using a survey one way to determine experimental probability?

The remora fish attaches itself to sharks for transportation and access to food scraps. The shark is not harmed. What type of example is this? mutualism comme

Solve x^2 = –169 this is a question on square and cubed roots

There are 10 yellow, 6 green, 9 orange, and 5 red cards in a stack of cards turned facedown. Once a card is selected, it is not replaced. Find each probability.