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photoshop1234 [79]

3 years ago

6

Anyone ?Math hw...........

1 answer:

Dovator [93]3 years ago

7 0

Both of these are linear functions:
Distance A is d=2.5h and is proportional to time because the distance is just 2.5 times however many hours you have traveled.
Distance B is d= 2(h-1) + 4. This is not proportional to time but it is a linear function.

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1<br> Write 60% as a simplified ratio.

ExtremeBDS [4]

Answer:

3:10

Step-by-step explanation:

3 0

3 years ago

If EF = 6 and EG = 21, find the value of FG. The drawing is not to scale.

insens350 [35]

EF = 6

EG = 21

You would subtract EF from EG to find FG:

21 - 6 = 15.

The answer is B.) 15

7 0

3 years ago

Please help me <br><br>If 180°<α<270°, cos⁡ α=−8/17, what is sin -α?

rewona [7]

Starting from the fundamental trigonometric equation, we have

$\cos^2(\alpha)+\sin^2(\alpha)=1 \iff \sin(\alpha)=\pm\sqrt{1-\cos^2(\alpha)}$

Since $180$ , we know that the angle lies in the third quadrant, where both sine and cosine are negative. So, in this specific case, we have

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

Plugging the numbers, we have

$\sin(\alpha)=-\sqrt{1-\dfrac{64}{289}}=-\sqrt{\dfrac{225}{289}}=-\dfrac{15}{17}$

Now, just recall that

$\sin(-\alpha)=-\sin(\alpha)$

to deduce

$\sin(-\alpha)=-\sin(\alpha)=-\left(-\dfrac{15}{17}\right)=\dfrac{15}{17}$

6 0

3 years ago

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If a man earns $200 for his first 40 hours of work in a week and then is paid one and one half times his regular rate for any ad

Luba_88 [7]

<span>200/40=5 5/2=2.5 2.5+5=7.5 30/7.5 = 4 hours</span>

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3 years ago

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ValentinkaMS [17]

4+4+6+6=12+8=20

hope this helps

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2 years ago

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