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creativ13 [48]
3 years ago
11

Either enter an exact answer in terms of \piπpi or use 3.14, point, 14 for \piπpi and enter your answer as a decimal.

Mathematics
1 answer:
OverLord2011 [107]3 years ago
4 0

Answer:

49π sq. units

Step-by-step explanation:

Find the diagram attached

We can find the area of the given circle

Given

diameter of the circle d = 14

Area of the circle = πd²/4

Substitute the given diameter

Area of the circle = π(14)²/4

Area of the circle = 196π/4

Area of the circle = 49π sq. units

Hence the exact answer in terms of π is 49π sq. units

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Step-by-step explanation:

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There are 20 girls and 26 boys on the tennis team.
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The weights of cars passing over a bridge has a mean of 3550 lb and a standard deviation of 870 lb. Assume that the weights of t
elena-s [515]

Step-by-step explanation:

Note: Question does not indicate if probability required is for weight to exceed or below 3000 lbs.  So choose appropriate answer accordingly (near the end)

Using the usual notations and formulas,

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standard deviation, sigma = 870

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We calculate

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Answer:

Probability that a car randomly selected is less than 3000

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Probability that a car randomly selected is greater than 3000

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3 years ago
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Vasily states that−6(5g−7h+9−10g)
fredd [130]

Answer:

A. Vasily is not correct. He should have rewritten the original expression as −6(−5g−7h+9) and then as 30g+42h−54.

Step-by-step explanation:

Given the expression;

-6 (5g - 7h + 9 - 10g)

<em>Rearranging the above, we have;</em>

-6 (5g - 10g - 7h + 9)

<em>Simplifying, we have;</em>

-6 (-5g - 7h + 9)

<em>Multiply, to open the bracket;</em>

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<em>Therefore, Vasily should have rewritten the original expression as −6(−5g−7h+9) and then as 30g+42h−54.  </em>

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3 years ago
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