liljay123 liljay123

12-01-2017
Mathematics

contestada

27-(63-8)and(72-63)-8 is it equivalent or not and why

Respuesta :

katiem320 katiem320

12-01-2017

They are not equivalent because 27-(63-8) is equal to -28 and (72-63)-8 is equal to 1.

Answer Link

LittlestRedTeal LittlestRedTeal

12-01-2017

For the first one is
27-(63-8)
27-55
28

The second one is (72-63)-8
9-8
1

They are not equivalent.

Answer Link

Otras preguntas

a capacitor uses an _____ field to store potential electric energy which can be used as a power source when connected to a network. fill in the blank.

2) Two triangles on the coordinate plane are shown below. C Part A. What transformation (s) could be applied to map triangle EBD onto triangle CBA? Part B. Once

Please help! The graph of an arithmetic sequence is shown. What is the value of the 12th term?

Matching. 1. a meeting of delegates for the purpose of preparing for an election campaign convention 2. Person wishes to be a candidate for the party, he will

Suppose that the scores of bowlers in a particular league follow a normal distribution such that the standard deviation of the population is 12 . Find the 95% c

Match each radius to the exact area of the circle with the radius

Graph the solution to the following system of inequalities. y≤2x+3 y> -3x+5

Correctly label the following internal anatomy of the heart.

List the significant events of the Electron Transport Chain. Include which reactants and products are involved. Highlight what will be released as a product. Be

what is the answer in decimal form?