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stira [4]
3 years ago
8

Is this complementary, supplementary or neither? Pleasee helppp

Mathematics
1 answer:
Alexeev081 [22]3 years ago
4 0
Supplementary angle
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Which is equivalent to 5(a + 6)?<br><br> 1. a+30<br><br> 2. 5a-30<br><br> 3. 5a+6<br><br> 4. 5a+30
Afina-wow [57]

Answer:  the answer is number four.

Step-by-step explanation:

<h2>because when you take five multiply by A (5*a) you will get 5a and when you take five multiply by six (5*6) you will get 30 and there is positive sign so the plus (+) stays the same and your will be (5a+30) that is your answer. good luck.</h2>
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Is 0.7 a rational number
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If sinA =3/5 and A+B =90 find cosB
-Dominant- [34]

A+B=90^o\to B=90^o-A\\\\\cos B=\cos(90^o-A)=\cos90^o\cos A+\sin90^o\sin A\\\\=\cos A+1\cdot\dfrac{3}{5}=0+\dfrac{3}{5}=\dfrac{3}{5}\\\\\boxed{\cos B=\dfrac{3}{5}}

Used:\\\\\cos(x+y)=\cos x\cos y+\sin x\sin y\\\\\cos90^o=0,\ sin90^o=1

Other method:

Look at the picture.

\sin\theta=\dfrac{opposite}{hypotenuse}\\\\\sin A=\dfrac{3}{5}\to opposite=3\ and\ hypotenuse=5

\cos\theta=\dfrac{adjacent}{hypotenuse}\\\\adjacent=3\ and\ hypotenuse=5\to\cos B=\dfrac{3}{5}

8 0
3 years ago
I need help!!!! I don’t understand and it’s very confusing
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Answer:

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Step-by-step explanation:

I explained in my last answer but someone deleted it

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2 years ago
How did the National Woman Suffrage Association (NWSA) differ from the American Woman Suffrage Association (AWSA)?
horrorfan [7]

Answer:

The National Woman Suffrage Association advocated for a range of reforms to make women equal members of society, such as the right to own property, etc. The American Woman Suffrage Association lobbied state governments to enact laws granting or expanding women's right to vote in the United States.

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3 years ago
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