3 years ago

12^5 times 12^7 over -12^4

Mathematics

1 answer:

sdas [7]3 years ago

4 0

Answer:

-12.3428571429

Step-by-step explanation:

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I don’t understand the question 2 for this math equation.

hichkok12 [17]

Answer:

Step-by-step explanation:

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1 year ago

1). Solve for n n - 63 = 126 *

Zinaida [17]

Answer:

n=189

Step-by-step explanation:

$n-63=126\\n=126+63\\n=189$

I hope this helps! :)

Brainliest? ✨

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3 years ago

The volume of a? cone-shaped hole is 49 pi ft cubed . If the hole is 3 ft? deep, what is the radius of the? hole?

lidiya [134]

$\bf \textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ h=3\\ V=49\pi \end{cases}\implies 49\pi =\cfrac{\pi r^2(3)}{3}\implies 49\pi =\pi r^2 \\\\\\ \cfrac{49\pi }{\pi }=r^2\implies 49=r^2\implies \sqrt{49}=r\implies 7=r$

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3 years ago

-8x^2-3x+5+2x^2+7x-5

denis-greek [22]

-6x^2+4x

my reasoning:
eliminate the opposites (5 & -5)
collect the like terms (-8x^2 & + 2x^2)
collect the like terms again (-3x &+7x)

8 0

3 years ago

Sinplify this expression -3(10x+4y)+6(6x-2y)

ad-work [718]

Answer:

6x-24y

Step-by-step explanation:

Step 1: -30x-12y+36x-12y

Distribute-3 to 10x and 4y

Then distribute 6 to 6x and -2y

Step 2: 6x-24y

After that add up like terms

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4 years ago