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V125BC [204]
3 years ago
9

Using addition formulas for sine and cosine to simplify the expression:

Mathematics
1 answer:
luda_lava [24]3 years ago
6 0
Are these the answer choices. If so I would say D
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If u are smart answer this plz!! i need you, i need a CORRECT answer plz not a wrong answer plz,i cant afford to mess up
Stolb23 [73]
I Think It Is 3 x 8 x 4 = 96 But I Am Completely For Sure I Would Wait A Bit For Someone Else To Comment! Hope That Helps!!
8 0
3 years ago
Determine
Luden [163]

Answer:

\mu_{x} = 64, \sigma_{x} = 12.83

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, the sample means with size n of at least 30 can be approximated to a normal distribution with mean \mu_{x} = \mu and standard deviation \sigma_{x} = \frac{\sigma}{\sqrt{n}}

In this problem, we have that:

\mu = 64, \sigma = 77, n = 36

So

\mu_{x} = 64, \sigma_{x} = \frac{77}{\sqrt{36}} = 12.83

7 0
3 years ago
Paisley works on her drawings for 2 hours. She spends 1/6 hour on each drawing. How many drawings does she work on in 2 hours? H
sertanlavr [38]

Answer:

1/12

Step-by-step explanation:

1/6 divided by 2 = 1/12

5 0
2 years ago
The ratio of pants to shots that John has is 3:7. If John has 12 pairs of pants then how many pants and shorts does he have?
madam [21]

Answer:

John has 12 pairs of pants and 28 pairs of shorts.

Step-by-step explanation:

Given that the ratio of pants to shorts that John has is 3: 7, if John has 12 pairs of pants, to determine then how many pants and shorts does he have the following calculation must be performed:

(12/3) x 7 = X

4 x 7 = X

28 = X

Therefore, John has 12 pairs of pants and 28 pairs of shorts.

6 0
2 years ago
A mountain road is 5 miles long and gains elevation at a constant rate. After 2 miles, the elevation is 5500 feet above sea leve
Mama L [17]
The answer is b ok bro it is 7x plus 8
7 0
1 year ago
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