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

At a deli counter someone bought 0.125 pounds of roast beef for $5.00 How much will it cost per one pound

If f(x) = -3x + 5, find f(2).

I NEED HELP WITH TASK 2 IN THE DROP BOX BELOW

which one and explain why??/

Study the political cartoon from July 1914. A political cartoon from July 1914. Men with sashes label the country they are from and each have their hand on the

Help plsssssssssssss???

Explain the population distribution according to rural and urban areas.

Use chromosomes 11 and 17 to answer the following questions. Chromosome Map Chromosome 17 is made of over million base pairs. Approximately how many genes are f

SOMEONE PLSSS HELP ME ON NUMBER 7& 8 PLSSSSSS

MARKING PEOPLE AS BRAINLIST ALL DAY ONCE U ANSWER AND IS CORRECT :)