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lapo4ka [179]
3 years ago
10

What is 5c-4c+c-3c and 3a+6+5a-2 and 8b+8-4b-3?

Mathematics
1 answer:
ELEN [110]3 years ago
6 0

Answer: -c

8a+4

4b+5

Step-by-step explanation:

5c-4c+c-3c

c+c-3c

2c-3c

-c

3a+6+5a-2

8a+4

8b+8-4b-3

4b+5

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The area of a cross section through the center of a sphere is 46 square inches. Find the surface area of the sphere.
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Answer:

184 in.^2

Step-by-step explanation:

The cross section through the center of a sphere is a circle whose radius is equal to the radius of the sphere.

area of circle

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\pi r^2 = 46

r^2 = \dfrac{46}{\pi}

r = \sqrt{\dfrac{46}{\pi}}

r = 3.83 ~in.

surface area of sphere

SA = 4 \pi r^2

SA = 4 \times \pi \times (3.83)^2

SA = 184~in.^2

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A one-sided hypothesis test for the proportion for a random sample of 50 the z-score of the
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Using a z-distribution calculator, it is found that the p-value associated for a r<em>ight-tailed test with z = 2.115</em> is of 0.0172, hence, this is significant at the 5% level, but not at the 1% level.

More can be learned about p-values at brainly.com/question/16313918

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Which properties would you use to simplify the following expression? log (17x3)
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Answer:

Step-by-step explanation:

Did you mean log (17*3)?  If so, your log (17x3) becomes log 17 + log 3.

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Did you mean log 17*x*3?  If so, this equals log 17 + log x + log 3

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