Simplify the following: 3^2 times 3^2 7 times 7^4 10^9 divided by 10^7 5^8 divided by 5

Mathematics

1 answer:

pochemuha2 years ago

7 0

Answer:

1. 140 times

Step-by-step explanation:

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What is the solution to this system of linear equations? y − 4x = 7 2y + 4x = 2

erik [133]

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▹ Answer

(-1, 3)

▹ Step-by-Step Explanation

y - 4x = 7

2y + 4x = 2

Substitute

y - (2 - 2y) = 7

Solve

y = 3

Substitute

4x = 2 - 2 * 3

Solve

x = -1

Final Answer

(x, y) = (-1, 3)

Hope this helps!

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3 years ago

Vita saved $72 last December. This amount represents 2/9 of the total amount she saved last year. What is the total amount Vita

GrogVix [38]

$\dfrac{2}{9} \text { of the saving} = \$72$

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Find 1/9 :
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$\dfrac{1}{9} \text { of the saving} = \$72 \div 2$

$\dfrac{1}{9} \text { of the saving} = \$36$

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Find 9/9 :
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$\dfrac{9}{9} \text { of the saving} = \$36 \times 9$

$\dfrac{9}{9} \text { of the saving} = \$324$

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Answer: The total amount is $324.
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How much tax is withheld from 53,620 if tax rate is 7%.?

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The withheld tax is 3753.4

To get this you do 53,620 x .07

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