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Ierofanga [76]
3 years ago
15

Write an expression equivalent to -9y + 2x + 3 - 7x + 4y.

Mathematics
1 answer:
inessss [21]3 years ago
6 0

Answer:

-5y - 5x + 3    EASY MATH

Step-by-step explanation: Because its just easy

GIVE BRAINLEIST WHEN U CAN PLEASE

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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)

8 0
3 years ago
If a prison deceased by 372 prisoners each month over one year what the monthy decrease
kozerog [31]

Answer:

31 deaths per month

Step-by-step explanation:

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ZanzabumX [31]

Given that a rectangle has an area of 345 square millimeters and a base of 15 millimeters, find the height.

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So, to find the height, we would reverse it by dividing the area by the base.

Work:

345/15 = 23

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Thus, the height of the rectangle is 23 millimeters.

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3 years ago
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