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3 years ago

HELP Simplify a^15/a^5 A) a^-3 B) a^-10 C) a^3 D) a^10

Mathematics

1 answer:

NemiM [27]3 years ago

6 0

the answer is in photo ma homie

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Can someone please help me out with this problem

GREYUIT [131]

8 x 8= 64 so 8 is your answer.

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3 years ago

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Marcos purchased a sail boat for $56,900. He anticipates each year the boat will decrease in value by 8.1% from the previous yea

Varvara68 [4.7K]

Answer: $56,900\left( 0.919\right)^x$

Step-by-step explanation:

Given

Marcos purchased a sailboat for $\$56,900$

Each year the boat will decrease in value by $8.1\%$

After 1 year it is

$\Rightarrow 56,900-56,900\times 0.081\\\Rightarrow 56,900\left( 1-0.081\right)\\$

after another year it becomes

$\Rightarrow 56,900\left( 1-0.081\right)-56,900\left( 1-0.081\right)\times 0.081\\\Rightarrow 56,900\left( 1-0.081\right)\cdot \left( 1-0.081\right)\\\Rightarrow 56,900\left( 1-0.081\right)^2$

After $x$ years it is

$\Rightarrow 56,900\left( 1-0.081\right)^x$

$\Rightarrow 56,900\left( 0.919\right)^x$

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2 years ago

I will give decent points if corrected

s2008m [1.1K]

Answer:

it's either a or b, but I would go with A

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2 years ago

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Matias preformed an operation with 7.6 and a number. He ended up moving the decimal point in 7.6 two places to the left. Matias

olga2289 [7]

Answer:

Matias divided 7.6 by 10 raised to the power of -2.

Step-by-step explanation:

Given : Matias preformed an operation with 7.6 and a number. He ended up moving the decimal point in 7.6 two places to the left.

To find : Matias divided 7.6 by 10 raised to the power of ?

Solution :

Matias preformed an operation with 7.6 and a number.

He ended up moving the decimal point in 7.6 two places to the left we have to multiply it with 0.01

i.e. $7.6\times 0.01=\frac{7.6}{100}=0.076$

So, Matias divided 7.6 by 10 raised to the power of -2.

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3 years ago

horace is running a race. he begins to wonder how fast he is running. which unit rates would be reasonable for horace to use to

tresset_1 [31]

<span>Horace is running a race. he begins to wonder how fast he is running.
</span>km/h will best describe how fast he is running.

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