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Lemur [1.5K]
3 years ago
10

Help please, this is a math question. <3

Mathematics
2 answers:
AfilCa [17]3 years ago
6 0
Parenthesis first
11+4=15
division second
15/3=5
what is the square root of 64? 8!
8x5=40
Answer is 40
PtichkaEL [24]3 years ago
6 0
The answer is 40 hope I helped pls give brainliest
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What is the 10th term of the following geometric sequence?
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The answer is B if not sorry
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3 years ago
<img src="https://tex.z-dn.net/?f=%28%20%5Csin%5E%7B2%7D%20%28%20%5Cfrac%7B%5Cpi%7D%7B%204%20%7D%20%20-%20%20%5Calpha%20%29%20%2
guapka [62]

Step-by-step explanation:

\sin^2 (\frac{\pi}{4} - \alpha) = \frac{1}{2}(1 - \sin 2\alpha)

Use the identity

\sin^2 \theta = \dfrac{1 - \cos 2\theta}{2}

on the left side.

\dfrac{1 - \cos [2(\frac{\pi}{4} - \alpha)]}{2} = \frac{1}{2}(1 - \sin 2\alpha)

\dfrac{1 - \cos (\frac{\pi}{2} - 2\alpha)}{2} = \frac{1}{2}(1 - \sin 2\alpha)

Now use the identity

\sin \theta = \cos(\frac{\pi}{2} - \theta)

on the left side.

\dfrac{1 - \sin 2\alpha}{2} = \frac{1}{2}(1 - \sin 2\alpha)

\frac{1}{2}(1 - \sin 2\alpha) = \frac{1}{2}(1 - \sin 2\alpha)

4 0
2 years ago
Please help i will mark branliest
mafiozo [28]

Answer:

The answer is d

Step-by-step explanation:

4 0
3 years ago
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Evaluate the function for <br> f (2) = x^3 - 2<br><br> A.4 <br> B.6 <br> C.8<br> D.10
ElenaW [278]

Answer:

A. 4

Step-by-step explanation:

Hope this helps!

5 0
3 years ago
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Penny is counting the days until her grandma comes to visit. There are 98 days left. How many weeks are left until Penny's grand
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98 divided by 7

98/7 = 14

Answer: There are 14 weeks left.
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4 years ago
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