daisy666 daisy666

02-10-2020
Mathematics

contestada

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

Respuesta :

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

Find the area of the circle with a diameter of 20.6 inches. Round your answer to the nearest tenth

What is the answers of this problem 9 1/10 - 8 7/10 =

Marcy is running for student body president. Which sentence in this excerpt from her campaign speech uses parallel structure? Hi, I’m Marcy! Many of you know me

How many steps are there in a HACCP plan

in 1810, Napoleon had signed alliance with Prussia, the Austrian empire, and the Russian empire. what countries shown on the map were not allied with Napoleon o

Name an element in the fifth period (row) of the periodic table with five valence electrons

State the range of the following relation and state if it is a function. (2, 4), (8, 6), (5, 5), (3, 7), (4, 5) A. {2, 4, 5, 8}; Yes B. {4, 5, 6, 7}; Yes C.

Which of the following is not

Briefly describe signal detection theory, and explain what influences our detection of stimuli.

An e-business revenue model that involves paying businesses that bring or refer customers to another business is called ________.