daisy666
daisy666 daisy666
  • 02-10-2020
  • Mathematics
contestada

Evaluate the algebraic expression: (20 - (-2)) = 11

Respuesta :

natanyaatkinson
natanyaatkinson natanyaatkinson
  • 02-10-2020

Answer:

the answer is 22 not 11

Step-by-step explanation:

(20-(-2))

we change the sign of the number being subtracted and treat the operation as addition instead

so it's

(20+2)=22

Answer Link

Otras preguntas

Why does virgil compel dante to learn by doing and breaking off a twig?
Would the europeans have taken the same course in africa if the people there had been christian like themselves?
Explain why you can use πr2 to find the area of the base of a cone
Una empresa minera realiza actualmente el mantenimiento de la maquinaria pesada con recursos internos. en el proceso, utiliza tres activos más una serie de ins
The combination lock has three wheels, each numbered from 0 to 9. What is the probability that someone randomly guesses the correct combination in one attempt?
One rejects the null hypothesis only when the: a. sample mean is larger than the population mean. b. p value associated with the test statistic is greater than
In the diagram ,M//N . Identify all of the angles that are congruent to 2
if a friend comes to my house and they consume marijuana and then leave my house and get into an auto accident am i at fault?
Two infants of different ages, diego and hannah, are tested with the preferential-looking technique to determine their visual acuity. a series of black-and-whit
Why did the lincoln douglas debates and john brown's raid increase tensions between the north and south?