4 years ago

Which division problem does the model below show?

Mathematics

1 answer:

denis-greek [22]4 years ago

6 0

Answer:

Step-by-step explanation:

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If sin ⁡x=7/25, and 0 < x < π/2, what is cos⁡(x−3π/2)?

Likurg_2 [28]

Answer:

$Cos(x-\frac{3\pi}{2})=-\frac{7}{25}$

Step-by-step explanation:

Remember that $cos(x-y)=cos(x)cos(y)+sin(x)sin(y)$

Then,

$cos(x-\frac{3\pi}{2})=cos(x)cos(\frac{3\pi}{2})+sin(x)sin(\frac{3\pi}{2})\\$

But $cos(\frac{3\pi}{2})=0$ and $sin(x)=\frac{7}{25}$

Then

$cos(x-\frac{3\pi}{2})=cos(x)*0+\frac{7}{25}*sin(\frac{3\pi}{2})\\=\frac{7}{25}*(-1)=\frac{-7}{25}$

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3 years ago

Write each fraction or mixed number as a desimal. 7/8 7/15 4 3/25

gtnhenbr [62]

Answer:

4 3/25 = 4.12

7/8 = 0.875

7/15 = 0.467

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3 years ago

Can someone please help I’ll give you whatever points and mark u

rewona [7]

Answer:

what dose it say

Step-by-step explanation:

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3 years ago

Read 2 more answers

Need help for these two questions, any help is appreciated

kherson [118]

Answer:

I believe the answer is C

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3 years ago

solong [7]

Answer:

It’s not c on Plato

Step-by-step explanation:

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4 years ago