mariahval99 mariahval99

13-04-2019
Mathematics

contestada

Which expression is equal to 4√20 - 3√45

A.11√5

B.−11√5

C.√5

D.−√5

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

13-04-2019

Answer:

D.−√5

Step-by-step explanation:

4 sqrt(20) -3 sqrt(45)

We know that sqrt(ab) = sqrt(a) sqrt(b)

4 sqrt(4) sqrt(5) - 3 sqrt(9) sqrt(5)

4 *2 sqrt(5) - 3 *3 sqrt(5)

8 sqrt(5) - 9 sqrt(5)

- sqrt(5)

Answer Link

Otras preguntas

The tax owed is SU (Simplify your answer. Round to the nearest dollar as needed.) Use the marginal tax rates in the table below to compute the tax owed in the f

Which of these was not a cause of recent conflict in the Balkans? a. economic alliances b. feelings of loyalty anger c. over past conflicts d. religious differe

Using the data you have on each of your contacts—such as when they open, click, and convert—and scheduling your emails to send when your contacts are mostly lik

Which of the following is a commercially used method for harvesting trees and is most likely to lead to a fragmented landscape with serious impacts on biodivers

A box of mass 6 kg is lifted 7.4 meters to a shelf. How much work is done on the box?

are there any solutions

Codes of conduct (ethics) are formalized rules and standards that describe what the company expects of its employees in terms of ethical behavior. 1. True 2.

Barry and Micah are enthusiasts of mixed martial arts. They regularly tape their punch ups and post them online. On one such occasion, they are arrested and cha

A client with a diagnosis of colon cancer has required the creation of an ostomy following bowel surgery. What factor is most likely to influence the client's a

PLEASE HELP ME!!!!!! What function equation is represented by the graph? f(x)= 3x + 4 f(x)=2x +4 f(x)=3x +5 f(x)=2x +5