1 year ago

URGENT!! ILL GIVE BRAINLIEST! AND 100 POINTS The answer is not D

Mathematics

1 answer:

Verdich [7]1 year ago

3 0

Answer:

Step-by-step explanation:

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Using the pleading the square method find the vertex of the function f(x)=5x^2+10x+8

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The operation manager at a tire manufacturing company believes that the mean mileage of a tire is 48,637 miles, with a variance

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Answer:

$P(x < -778) = 0$

Step-by-step explanation:

Given

$\bar x = 48673$

$\sigma^2 = 11282880$

$n = 143$

Required

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First, we calculate the z score

$z = \frac{x}{\sqrt{\sigma^2}/n}$

So, we have:

$z = \frac{-778}{\sqrt{11282880}/143}$

$z = \frac{-778}{3359.0/143}$

$z = \frac{-778}{23.49}$

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So:

$P(x < -778) = P(z < -33.12)$

From z score probability, we have:

$P(x < -778) = 0$

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3 years ago

Evaluate the following expression.<br> 1/5^-2

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This is how the whole equation goes:
1/x^-a = x^a
So, 1/5^-2 is the same as 5^2, which is 25.

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In an election the winning candidate receives 60% of the votes what precent of the votes does the other candidate receive

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A linear function contains the following points. (-2,8) (0,6) What are the slope and y-intercept of this function?

zaharov [31]

Answer:

slope= -1

y-intercept is 6

Step-by-step explanation:

slope = y2-y1/ x2-x1

slope = 6-8/ 0-(-2) = -1

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