An example should help :-

Simplify sqrt 20:-

sqrt 20 = sqrt (4 * 5) = sqrt 4 * sqrt5 = 2 sqrt5

cube root of 54 = cube root 27 * cube root 2 = 3 cube root 2

The rule is to factor the number and look for perfect squares or cubes, etc.

6 0

3 years ago

What is the solution to 7 × p = -56? A. -49 B. -8 C. 8 D. 49

Serga [27]

Answer:

-8

Step-by-step explanation:

Hello!

What we do to one side of the equation we do to the other side

7 * p = -56

Divide both sides by 7

p = -8

The answer is -8

Hope this helps!

4 0

3 years ago

Graph the function f(x)=x^3-2x+7

jarptica [38.1K]

Answer:

The graph is down below and if that helps u out pls mark me as brainliest:)

Step-by-step explanation:

~Alex

6 0

3 years ago

A car rental company charges $56 per day plus $0.30 per mile driven. John paid $86 after renting a car for one day. What equatio

Masteriza [31]

Answer:

x + 56 = 86.

Step-by-step explanation:

6 0

3 years ago

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