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 Joseon Dynasty of Korea was one of the world’s longest lasting _____. monarchies dictatorships republics federations
What percent of Russians live between the Belarus and Ukraine borders and the Ural Mountains? a. 25 percent b. 50 percent c. 75 percent d. 90 percent
Which equation represents a double replacement reaction
If a fast-moving neutron were to hit an atomic nucleus and break it into smaller atomic nuclei, a ________ reaction would occur. a. fusion b. fission c. phys
Is conflict unavoidable between Israelis and Palestinians? Why or why not?
318.9 in scintific notation
Critically, evaluate the role of attitudes in initiating and building sustainable relationships
Mary says the pin for horses is an acute right triangle is it possible explain
What new weapon made allied leaders worry about the cost of invading the Japanese mainland
One complete revolution of Earth around the sun takes about