02-07-2019
Mathematics

contestada

Find the difference: square root20 - square root80

Respuesta :

mahmoudsamy93 mahmoudsamy93

02-07-2019

Answer:

-2√(5)

Step-by-step explanation:

√(20) = √(4*5) = √(4)*√(5) = 2*√(5) = 2√(5)

√(80) = √(16*5) = √(16)*√(5) = 4*√(5) = 4√(5)

therefore : √(20) - √(80) = 2√(5) - 4√(5) = (2 - 4) * √(5) = -2√(5)

Answer Link

Otras preguntas

Tina lost 3 pounds on the first week of her diet. She gained a pound on the second week, and then lost 2 pounds a week during every week afterwards. She has bee

The addition of which of the following sentences would create an effective paragraph? Dogs and cats are both fantastic pets. Dogs are loving and playful. Cats a

The acronym rice stands for

The "new immigrants" who immigrated to the United States after the Civil War primarily came from all of the following countries EXCEPT: A. Italy B. Poland C. Ir

Which number is 164,502,423 decreased you 100,000?

in the poem "laura" how was she described by the speaker

any notable feature of an organism is called

The main trade route that connected China with Rome was called the _____. Satin Road Silk Road Han Road Roman Road

Which statement is true about eating disorders?

whats 450/100 im simplest form