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horrorfan [7]
3 years ago
13

I NEED HELP ON 9 and 10

Mathematics
1 answer:
myrzilka [38]3 years ago
3 0
9) is A
10) is B
Do you need an explanation
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I need help with 5! Please help!
Veseljchak [2.6K]

Answer:

X=3.666666666666667

Step-by-step explanation:

The way i did this is by putting

2/12=X/22.

You then cross multiply and get

12x= 44

And 44/12 = 3.666666666666667

Hope this helps!

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3 years ago
A right triangle has one side that measures 4 in. The angle opposite that side measures 80o. What is the length of the hypotenus
mojhsa [17]
In order to find the length of the hypotenuse, we use knowledge on trigonometric functions which would be sine and is expressed as:

sine (theta) = opposite side / hypotenuse

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8 0
4 years ago
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Debora [2.8K]

Answer:

-5

Step-by-step explanation:

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3 years ago
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Factor the polynomial: x(5x-8)-2(5x-8)
sertanlavr [38]
<span>x(5x-8)-2(5x-8) =(5x-8)(x-2)
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3 0
4 years ago
Please help<br><br> 9.4c−1.01*(22b−5.2c)+b
Masteriza [31]

Answer:

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Step-by-step explanation:

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9.4c-22.22b+5.252c+b

collect like terms

14.652c-21.22b

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