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3 years ago

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5

1 answer:

nika2105 [10]3 years ago

8 0

Answer:

idk

Step-by-step explanation:

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Plz help multiply and divide one step

emmainna [20.7K]

Answer:

The value if y is -7

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4 0

2 years ago

Read 2 more answers

Sin(cos^-1 x)<br><br> how to solve?

tatiyna

Answer:

$sin(cos^{-1}x)=\sqrt{1-x^2}$

Step-by-step explanation:

let us assume

$cos^{-1} x=\theta\\x=cos\theta\\$

now

$sin(cos^{-1}x)$ can be written as $sin\theta$

we know $sin^2\theta+cos^2\theta=1$

so $sin^2\theta=1-cos^2\theta$

$sin\theta=\sqrt{1-cos^2\theta}$

now from above equation we can say that

$sin\theta=\sqrt{1-x^2}$

$sin(cos^{-1}x)=\sqrt{1-x^2}$

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3 years ago

Write an expression that shows how to use the halving and doublingto find 28 times 50

katen-ka-za [31]

Double of 50 is 100, so 28*100=2800, now half of the answer is 2800/2=1400
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3 0

3 years ago

What is 5/6 and 3/8 as an equivalent fraction

Veronika [31]

Answer:

5/6 - 10/12, 15/18, 20/24

3/8 - 6/16, 9/24, 12/32

Step-by-step explanation:

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3 years ago

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Please help!!! Find the area of the rhombus.<br> 13<br> 5

Vesna [10]

The correct answer 32.5 :)

6 0

3 years ago