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

Suppose your top drawer contains different colored socks: 14 are white, 4 are black, 12 are pink, and 8 are blue. All socks in the drawer are loose (unpaired).

The polar bear population in the North Arctic in 1990 was about 150. Over the next 25 years, it increased by about 10%. What was the population in 2015?

explain two ways that animals can affect the rate of weathering

Are polar or nonpolar covalent bonds stronger?

Katrina paid $24.30 for a backpack that was marked down 10%. Find the original retail price of the backpack. The original retail price of the backpack was

What is the function of restriction endonucleases in bacteria? a.They allow bacteria to genetically recombine with other bacteria. b

A company normally sells its product for $20 per unit. However, the selling price has fallen to $15 per unit. This company's current FIFO inventory consists of

Name any three water pollutants

A) 35° B) 38° C) 33° D) 27°

safe motherhood is still a problem in Nepal. What can be the causes and preventive measures of maternal mortality in Nepal?