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Amanda [17]
2 years ago
11

What is the value of z? 117°

Mathematics
1 answer:
mario62 [17]2 years ago
6 0
Hi I would love to help but the picture is black
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I need help with this practice problem solving This is trigonometry from my ACT prep guide
Novay_Z [31]

Take into account, that in general, a cosine function of amplitude A, period T and vertical translation b, can be written as follow:

f(x)=A\cos (\frac{2\pi}{T}x)+b

In the given case, you have:

A = 4

T = 3π/4

b = -3

By replacing you obtain:

\begin{gathered} f(x)=4\cos (\frac{2\pi}{\frac{3\pi}{4}}x)-3 \\ f(x)=4\cos (\frac{8}{3}x)-3 \end{gathered}

Hence, the answer is:

f(x) = 4cos(8/3 x) - 3

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1 year ago
Sam deposits the same amount of money,every week,for 71 weeks in his checking account.At the end of 71 weeks,he has $6,015 in th
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What is the rest of the problem? I can help you!
3 0
3 years ago
Would Y be the same as 146
Dima020 [189]

Answer:

Yes, y = 146

7 0
3 years ago
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I need help please, i’m stuck i don’t get it
Mumz [18]

Answer:

I am not sure but I think it is 3

Step-by-step explanation:

2x+29=5x+20

5x-2x+29=20

3x=-9

1x=3

3 0
3 years ago
Smart about slopes help pls
Zielflug [23.3K]

Answer:

Step-by-step explanation:

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