gymbella7 gymbella7

11-09-2020
Mathematics

contestada

Which expression is equivalent to 21 - (-5)?
O A. -21 + 5
O B. 21 + 5
O C. -21 - 5
O D. 21 - 5

Respuesta :

jaydenmalaki jaydenmalaki

11-09-2020

The answer is 21+5. Since there are 2 subraction of a negative it becomes a positive

Answer Link

isaidiwooiknow isaidiwooiknow

11-09-2020

It’s 21+5 (which is letter B) You turn the two negative signs positive.

Answer Link

Otras preguntas

What was the law passed in 1765 requiring american colonies to provide lodging for british troops?

to create a nonlinear presentation that had external links the designer should

Exits on an interstate are numbered consecutively. The distance between Exit 12 and Exit 13 is 2.7 miles. The distance between Exit 13 and Exit 14 i

Synonym for palavering

In a laboratory activity, the density of a sample of vanadium is determined to be 6.9 g/cm3 at room temperature. What is the percent error for the determined

Solve X - 3/4 = 1 1/8

Henry is interested in studying the different techniques perching birds use to build their nests. What type of investigation would best help Henry learn more a

Which are steps that could be used to solve 0 = 9(x2 + 6x) – 18 by completing the square? Check all that apply. 18 +81 = 9(x2 + 6x +9) 18+9 = 9(x2 + 6x +9) 18+

DOES SOMEONE KNOW THE ANSWER?

This problem is taken from the delightful book "Problems for Mathematicians, Young and Old" by Paul R. Halmos. Suppose that 681 tennis players want to play an e