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

The study of quality of life began with a branch of psychology called
Bias or personal opinions never influence scientific results
Which ordered pair minimizes the objective function C = 60x + 85y?. (0, 160). (55, 70). (80, 50). (170, 0)
I need help??? f(x) = 3x + 10x and g(x) = 4x – 2, find (f – g)(x)
Which was a weakness of the Articles of Confederation? a. Congress did not have the power to create a military. b. Congress did not have the power to tax the st
The vessels that carry blood away from the heart are _____. capillaries veins arteries valves
When do you need to compare real-world numbers?
Which of the following is a solution for the inequality 2x < 9?
Every line of Java code must end in a(n)
What is social justice and how does it relate to public health?