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qaws [65]
1 year ago
14

Rewrite the equation B - 11,015 = 2t as a function of t.

Mathematics
2 answers:
anygoal [31]1 year ago
7 0

Answer:

A.    B(t) = 2t + 11015

Step-by-step explanation:

Original equation:

B - 11015 = 2t

Add 11015 to both sides:

⇒ B = 2t + 11015

Write as function of t:

⇒ B(t) = 2t + 11015

Andreas93 [3]1 year ago
5 0

Answer:

A

Step-by-step explanation:

B - 11,015 = 2t ( add 11,015 to both sides )

B = 2t + 11,015 , that is

B(t) = 2t + 11,015

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Answer:

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3 years ago
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The head of the Westlane Cultural Center wants to get a sense of how quickly pledges from donors arrive at the center. It takes
Rzqust [24]

Answer:

95.64% probability that pledges are received within 40 days

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

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

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 28, \sigma = 7

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This is the pvalue of Z when X = 40. So

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Z = \frac{40 - 28}{7}

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Z = 1.71 has a pvalue of 0.9564

95.64% probability that pledges are received within 40 days

7 0
3 years ago
If 5^-x = 25, what is the value of 5^0.5x?
scoundrel [369]

Answer:

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Step-by-step explanation:

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Answer:

$2.50

Step-by-step explanation:

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3 years ago
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