gracibear gracibear

04-09-2019
Mathematics

contestada

Which expression is equivalent to √-80?
4√5
-4√5
-4i √ 5
4i √ 5

Respuesta :

sqdancefan sqdancefan

07-09-2019

Answer:

4i√5

Step-by-step explanation:

[tex]\sqrt{-80}=\sqrt{(-1)(16)(5)}=\sqrt{-1}\cdot\sqrt{16}\cdot\sqrt{5}=4i\sqrt{5}[/tex]

Answer Link

Otras preguntas

Help with 9 and 10 please?

Which of the following conditions may occur if a person often abruptly stops an intense cardio workout without cooling down? A . Hypertension and diabetes B. S

Which of the following conditions may occur if a person often abruptly stops an intense cardio workout without cooling down? A . Hypertension and diabetes B. S

20 over 6 equals what over 3

How are a ruler, a yardstick, and a measuring tape the same? How are they different?

write two expressions where the solution is 19

Which answer choice best corrects the punctuation errors in the sentence, if any errors exist? Is the dog chewing my sun hat, Grandma cried. A."Is the dog chew

What is the chemical equation of BaO+O2→BaO2 ?

express 245 as a product of its prime factors

Mr. Smith baked 144 blueberry pies, some strawberry pies, and some apple pies. The number of apple pies is 4\5 of the number of strawberry pies. There are 24