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Mrac [35]
3 years ago
10

What’s the value of x

Mathematics
2 answers:
Readme [11.4K]3 years ago
8 0
10+2x = 18
2x = 8
x = 4

answer is B
x = 4
Jet001 [13]3 years ago
5 0
10+2x=18
2x=8
x=4
So the answer is 4
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What is the exact value of x?
Nadya [2.5K]
Exact value of x will be 8 x sin(60)

Exact value of sin 60 = √3/2

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Evaluate log 2 over 3
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3 0
3 years ago
Henry is staining the wooden floor of a court. The court is in the shape of a rectangle. Its length is 54 feet and its width is
tensa zangetsu [6.8K]

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Henry would need 12 cans to cover the court

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8 0
3 years ago
Suppose that the weights of 5400 registered female Labrador retrievers in the United States are distributed normally with a mean
Maurinko [17]

Answer:

N= 4543 Labrador retrievers

Step-by-step explanation:

We know that the mean \mu is:

\mu = 62.5

and the standard deviation \sigma is:

\sigma=2.5

The probability that a randomly selected Labrador retriever weighs less than 65 pounds is:

P(X

We calculate the Z-score for X =65

Z = \frac{X-\mu}{\sigma}\\\\Z =\frac{65-62.5}{65}=1

So

P(X

Looking in the table for the standard normal distribution we have to:

P(Z.

Finally the amount N of Labrador retrievers that weigh less than 65 pounds is:

N = P(X

N = 0.8413*5400

N= 4543 Labrador retrievers

6 0
3 years ago
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