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

Once defining stress as an inability to cope, stress expert joan borysenko now defines stress as

Can a tooth infection cause sinus problems

Which one of these foods must be cooked to at least 165°f?

X°,Y° and Z° are three angles lying on a straight line.If X°=2y° and Z°=3y°,find he value of y

In most instances, the solubility of solids in liquids __________ as temperature increases. decreases stays the same increases solids are insoluble

Read this line from a poem by Emily Dickinson. That never wrote to Me— What is this an example of? iambic trimester iambic pentameter iambic tetrameter

What was The practice of appointing non-clergy members to high church positions was called?

Which of the following types of information can you obtain from reading a map? regions of warmer and cooler temperatures average rainfall by month temperature c

Why is it impossible for a function to have fewer values in its domain than in its range?

The polynomial 6x2 + 9x has factors of 3x and which of the following? A. 2x + 3 B. x + 6 C. x + 3 D. 2x + 6