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

• Rectangle ABCD has a length represented by the expression (-2x+4) and a width represented by the expression (x+3). Rectangle EFGH has a length represented by

Which equation models the total profit,y,based on the number of tickets sold,x?

Study the phase diagram of a saltwater solution compared to pure water.

3. A local baker orders 260 pounds of wheat flour, 120 pounds of barley flour and 90 pounds of almond flour each week for baking different types of breads. On t

How to solve this problem? (the answer is approximately 1.0 cm). i want to know the step by step on how to solve the equation given. if it helps, i am a grade 1

Name ALL of the angles that equal 90 degrees in this diagram.

Can you explain the second law of Kepler? Simple terms please

The prices of cell phone cases in a store are normally distributed.The mean of the prices is $22.90,and the standard deviation is $4.90.If you want to look at t

Erian's extended family is staying at the lake house this weekend for a family reunion. She is in charge of making homemadepancakes for the entire group. The pa

I need help with these 1&3 there one whole answer