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2 years ago

Please answer quickly! An explanation is welcome but not required.

Mathematics

1 answer:

Tanzania [10]2 years ago

6 0

Answer:

Step-by-step explanation:

plz vote my answer the brainiest as i am trying to lvl up, hope this helps!

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Which expression is equivalent to

nirvana33 [79]

For this case, we must find an expression equivalent to:

$\frac {-9x ^ {- 1} y ^ {- 9}} {- 15x ^ 5y ^ {- 3}}$

By definition of power properties we have:

$a ^ {- 1} = \frac {1} {a ^ 1} = \frac {1} {a}$

Rewriting the previous expression we have:

The "-" are canceled and we take into account that:

$\frac {9} {15} = \frac {3} {5}$

So:

$\frac {3} {5x^5 * x ^ 1 *y ^ 9* y ^ {- 3}} =$

According to one of the properties of powers of the same base, we must put the same base and add the exponents:

$\frac {3} {5x ^ {5 + 1} * y ^ {9-3}} =\\\frac {3} {5x ^ 6 * y ^ 6}$

Answer:

$\frac {3} {5x ^ 6 * y ^ 6}$

Option B

3 0

3 years ago

Read 2 more answers

You’re in charge of your country currency which is backed by gold standard unfortunately gold production is dropping sharply and

Alex17521 [72]

Change the entire currency system

8 0

3 years ago

Can some please help with this? :)

den301095 [7]

Answer:

Step-by-step explanation:

The stuff that is yellow is the answer!

6 0

2 years ago

Please Please Please help me with the answer

Tems11 [23]

c = amount of chocolate donuts

m = amount of maple donuts.

so we know the total in all is 41 donuts, thus c + m = 41.

we also know that whatever c is, m is 25 fewer than that, m = c - 25.

$\bf \begin{cases} c+m=41\\ \boxed{m}=c-25\\ --------\\ c+\boxed{c-25}=41 \end{cases} \\\\\\ 2c-25=41\implies 2c=66\implies c=\cfrac{66}{2}\implies c=33 \\\\\\ \stackrel{\textit{since c = 33}}{m = c - 25}\implies m=33-25\implies m = 8$

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3 years ago

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A locker combination has four nonzero digits. If no digit can be repeated and the first three digits are 1-2-3, what is the prob

Elis [28]

The probability that the fourth digit is 4 is 1/6.

<h3>What is the probability?</h3>

Probability is used to calculate the odds that a random event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.

Probability the number is 4 = 1 / possible numbers

Possible numbers = 4, 5, 6, 7, 8, 9,

= 1/6

To learn more about probability, please check: brainly.com/question/13234031

#SPJ1

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2 years ago