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3 years ago

Pls helppppp !!!!!!!!!!!!!

Mathematics

1 answer:

beks73 [17]3 years ago

6 0

What do you need help with

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Which expression is equivalent to (9x2y6)−1/2?

galben [10]

Answer:

B. 1/(3xy^3)

Step-by-step explanation:

The minus sign can be dealt with first, then the root taken.

$\left(9x^{2}y^{6}\right)^{-\frac{1}{2}}=\dfrac{1}{\sqrt{9x^{2}y^{6}}}\\\\=\dfrac{1}{\sqrt{9}\sqrt{x^2}\sqrt{y^6}}=\dfrac{1}{3xy^3}$

8 0

3 years ago

The perimeter of the square is 1 foot how many inches long is each sad

SpyIntel [72]

Im gonna asume you mean side, so 1 foot = 12 inches (:

3 0

3 years ago

Read 2 more answers

Montana is known for having very chilly winters. One night, the temperature was falling by 2 degrees Fahrenheit each hour. At su

Kipish [7]

Answer:

7 hours

Step-by-step explanation:

We are given that

At sunset, the temperature=-5 degrees Fahrenheit

Each hour, temperature falling=2degrees Fahrenheit

We have to find time taken to reach the temperature -19° F.

Let x be the time time taken to reach the temperature -19° F

According to question

$-5+x(-2)=-19$

Where we taking 2 negative because temperature decreases.

$-5-2x=-19$

$-5+19=2x$

$14=2x$

$x=\frac{14}{2}$

$x=7$

Hence, it will take 7 hours for the temperature to reach -19° F.

3 0

3 years ago

Would the answer be A ) 15 or B ) 18?

Stels [109]

Your answer is (A 15)

6 0

3 years ago

Can someone pls graph the picture below.

grin007 [14]

Answer:

see below

Step-by-step explanation:

This graphs as 3 horizontal lines. The open circles are at the ends of the interval where the function is undefined or is defined as a different value.

3 0

3 years ago