3 years ago

6 is what percent of 8?

Mathematics

1 answer:

kvasek [131]3 years ago

8 0

6 is 75% of 8. 6/8 can be simplified to 3/4, which is easier to see as 75%.

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Why does totality during a lunar eclipse last longer than totality during a solar eclipse?

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Step-by-step explanation:

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3 years ago

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Answer:

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3 years ago

Read 2 more answers

The sum of two numbers is at most 12, and the sum of 3 times the first number and 8 times the second number is at least 48 selec

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(4,8)

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

1 + 5sin^2x= 7sin^2x solve trig equation. Can you show me how to solve this trig equation?

pantera1 [17]

Answer: $x = \frac{\pi}{4}\pm k\frac{\pi}{2}\,\,\,\,\,\,k=\{0,1,2,...\}$

Step by step:

$1 + 5\sin^2x= 7\sin^2x\\\sin^2 x\rightarrow z\\1 + 5z = 7z\\2z = 1\\z = \frac{1}{2}\implies \sin^2 x = \frac{1}{2}\\|\sin x| = \frac{1}{\sqrt{2}}\\\sin x = \pm\frac{1}{\sqrt{2}}=\pm\frac{\sqrt{2}}{2}\\\implies x = \frac{\pi}{4}\pm k\frac{\pi}{2}\,\,\,\,\,\,k=\{0,1,2,...\}$

(Used a table of common angles)

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3 years ago