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lesantik [10]
3 years ago
9

Find the circumference of the circle in terms of pi. radius is 39 inches.

Mathematics
2 answers:
Alenkinab [10]3 years ago
5 0
78pi in is the answer.
Hitman42 [59]3 years ago
3 0
Pretty sure this is the answer: <span>24.8281711223</span>
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We gave a national verbal proficiency test that has a mean score of 500 with a standard deviation of 75. What raw score would co
charle [14.2K]

Answer:

519

Step-by-step explanation:

Let's assume that the scores for the national verbal proficiency test follow a normal distribution.

Mean score (μ) = 500

Standard deviation (σ) = 75

According to a Z-score table, the score for the 60th percentile is roughly z = 0.253

For any score "x", the z-score is given by:

Z=\frac{X-\mu}{\sigma}

For z = 2.53:

0.253=\frac{X-500}{75}\\X=519

The raw score to the 60th percentile is 519.

4 0
3 years ago
Which expression is equivalent to 16x +42y?
V125BC [204]

Find the Greatest Common Factor (GCF)

GCF = 2

Factor out the GCF (Write the GCF first. Then, in parentheses, divide each term by the GCF.)

2(16x/2 + 42y/2)

Simplify each term in parenthesis

<u>C. 2(8x + 21y) </u>

4 0
3 years ago
Veronica left school at 3:00 to get to her job on time. She started work at 3:20pm. She was there for four hours and twenty five
timama [110]

Answer: what they said

Step-by-step explanation:

6 0
3 years ago
Help, it's due today<br> :(
Alinara [238K]

Answer:The first 1 is 98

The second one I have no idea sorry-

Same with third one

and forth 1 sorry I cant help u with the last 3 I hope someone else does :)

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
What rational number, when multiplied by an irrational number, has a product that is a rational number? (1 point)
Evgesh-ka [11]

Answer:

<h2>It's 0</h2>

Step-by-step explanation:

Why?

Because if you multiplied any irrational number by 0 will be equal to 0 and 0 is rational number.

For example, 5.6371...... x 0 = 0

6 0
3 years ago
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