abominatrix158p6bb73 abominatrix158p6bb73

01-06-2018
Mathematics

contestada

Simplify the expression 2 square root 20 - 3 square root 7 - 2 square root 5 + 4 square root 63

Respuesta :

Аноним Аноним

01-06-2018

2 sqrt 20 - 3 sqrt 7 - 2 sqrt 5 + 4 sqrt 63

= 2 sqrt4 sqrt 5 - 3 sqrt 7 - 2 sqrt 5 + 4 sqrt 9 sqrt 7

= 4 sqrt 5 - 2 sqrt 5 + 12 sqrt 7 - 3 sqrt 7

= 2 sqrt 5 + 9 sqrt 7 (answer)

Answer Link

Otras preguntas

Which research question would be most appropriate for a four- to five-page research paper? A. How many children between the ages of 5 and 10 acted out in school

What is the area of the rectangle? _________ un2

is it possible for ones persons weight to be 200% more than another persons weight

teams of four are competing in a quarter mile relay. each runner must run the same exact distance. what is the distance each teammate runs?

Name the lengths of the sides of three rectangles that have a perimeter of 14 units

An experiment produced 0.10 g CO2, with a volume of 0.056 L at STP. If the accepted density of CO2 at STP is 1.96 g/L, what is the approximate percent error?

Which nuclear emission has the greatest mass and the least penetrating power? (1) an alpha particle (3) a neutron (2) a beta particle (4) a positron

Which of the following is NOT true concerning the Green Revolution? (A) It has been highly ineffective in increasing agricultural yields. (B) It has reinforced

Match the following items. 1. French nobleman who served in the Continental Army 2. military commander who also had experience in government affairs Marquis de

what is 4.5 meters in centimeters