Register
Find the difference: square root20 - square root80
44.4k views
1 vote
Find the difference: square root20 - square root80

User Maryann
by
5.7k points

1 Answer

2 votes

Answer:

-2√(5)

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)

User Simbabque
by
5.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.8m questions

7.6m answers

Other Questions

Solve for y in terms of x. 2/3y - 4 = x y = x + 6 y = -x + 4 y = -x + 6 y = x + 4
Aliyah has $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?
Use the normal model ​n(11371137​,9696​) for the weights of steers. ​a) what weight represents the 3737thth ​percentile? ​b) what weight represents the 9999thth ​percentile? ​c) what's the iqr of the weights
Evaluate a + b when a = –16.2 and b = –11.4 A. –27.6 B. –4.8 C. 4.8 D. 27.6
What is the value of x? (-4) - x = 5
Link Copied!