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Yanka [14]
3 years ago
7

Please help me with my math I’m so bad at this

Mathematics
1 answer:
mojhsa [17]3 years ago
7 0

Answer:

9

Step-by-step explanation:

(-9)^1/3 * (-81)^1/3

We can rewrite -81 as 9 * -9

So it can be rewritten as:

(-9)^1/3 * (9*-9)^1/3

Since they are all raised to the 1/3, we can combine the bases:

(-9*9*-9)^1/3 =

(9*9*9)^1/3, because the two negatives turn into a positive:

So this is basically:

(9^3)^1/3 = 9^1 = 9

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aksik [14]

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5 0
3 years ago
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What does rationalize mean?
Lisa [10]

Answer:

it means moving the square root thats in the bottom of the fraction (the denominator) to the top of the fraction (the numerator)

Step-by-step explanation:

For example:

\frac{4}{\sqrt{x}} × \frac{\sqrt{x} }{\sqrt{x} } = \frac{4\sqrt{x} }{x}

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3 years ago
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How to round 7,298,341 to the nearest 10,000
yuradex [85]
You first look at the 10,000 places, in this number, the tens place is 90,000. Which is the 9. So you look at the thousands place and check of its 5 or more which means you have to change number or if its 4 or less than leave it. And the thousands place is 8,000 so the 9 has to become greater. So for my thinking, its 7,308,341. My best try
3 0
3 years ago
What is 1/8 divided by 2
erma4kov [3.2K]

Answer:

Divide: 2 : 1

8

= 2

1

· 8

1

= 2 · 8

1 · 1

= 16

1

= 16

Dividing two fractions is the same as multiplying the first fraction by the reciprocal value of the second fraction. The first sub-step is to find the reciprocal (reverse the numerator and denominator, reciprocal of 1

8

is 8

1

) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators.

In words - two divided by one eighth = sixteen.

SO FINAL ANSWER IS 16!!! HOPE THIS HELPS YOU mark me the brainliest if im correct

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