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Murrr4er [49]
3 years ago
13

Which number is a solution to

Mathematics
1 answer:
charle [14.2K]3 years ago
3 0

Answer:

B. -10

Step-by-step explanation:

4x + 5 > 7x + 35 \\  - 3x > 30 \\ 3x <  - 30 \\ x <  -  \frac{30}{3}  \\ x <  - 10

The first one has got a result different from -12 or -10

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What is $0.8\%$ of $125\%$ of $8128$? Express your answer as a decimal.
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Answer:

<h2>81.28</h2>

Step-by-step explanation:

To solve this kind of problem, we must remember that the word "of" means multiplication in math language, and all percentages numbers can be expressed as a fraction where the denominator is 100. Applying all this, we have

0.8\%\times 125\%\times 8128\\\frac{0.8}{100}\times \frac{125}{100} \times 8128\\ 0.008(1.25)(8128)=81.28

Therefore, all those percentages of 8128 results in 81.28

5 0
3 years ago
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Answer:

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Step-by-step explanation:

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\sqrt{10^{2}+{3^{2}-2(1) (3)cos(225-(-91))

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