3 years ago

Please quick ???!!!!!!

Mathematics

1 answer:

harina [27]3 years ago

3 0

The third one I think I’m sorry if I get this wrong

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What is the percentage of 15 out of 75

Archy [21]

$\frac{15}{75}= \frac{3}{15}= \frac{1}{5}= \frac{20}{100}$

The answer is 20%

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3 years ago

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Jason inherited a piece of land from his great-uncle. Owners in the area claim that there is a 45% chance that the land has oil.

inn [45]

P ( A ) = 0.45 - probability that the land has oil,
P ( B ) = 0.8 - probability that the test predicts it
P ( A ∩ B ) = P ( A ) · P ( B ) = 0.45 · 0.8 = 0.36
Answer: The probability that the land has oil and the test predicts it is 36 %.

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3 years ago

Simplify 15(5b+3)<br> Please help me I don't understand at all

melamori03 [73]

$15(5b+3) \\ \\ 15 \times 5b + 15 \times 3 \ / \ distribute \\ \\ 75b + 15 \times 3 \ / \ simplify \\ \\ 75b + 45 \ / \ simplify \\ \\$

The final result is: 75b + 45.

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2 years ago

Based on the pattern shown, what is 46?<br> 41 = 4<br> 42 = 16<br> 43 - 64

Tomtit [17]

Answer: 44 equals 128

Step-by-step explanation: This is because you do 16 times 4 to get 64, then you double that to 8, so you do 16 times 8 and get your answer 128

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3 years ago

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