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4vir4ik [10]
3 years ago
8

7.

Mathematics
2 answers:
AlladinOne [14]3 years ago
6 0

Answer: B

as 1000 metres = 1 km

fiasKO [112]3 years ago
4 0

Answer:

B. 7.735 km

Step-by-step explanation:

The height of a mountain is 7735 meters. What is its height in kilometers?

✓ It is: 7735/1000 = 7.735 kilometers

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Re write the equation in standard form y=8x+2
quester [9]

Standard form: 8x - y = -2

5 0
3 years ago
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

What is the probability that pledges are received within 40 days

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

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

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

Z = 1.71

Z = 1.71 has a pvalue of 0.9564

95.64% probability that pledges are received within 40 days

7 0
3 years ago
WILL PICK BRAINLIEST!!
juin [17]
The area of the triangle is 49 in2, so she can create only 2 triangles.
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3 years ago
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Anna is in a cave 50 feet below the cave entrance. She descends 12 feet, then ascends 15 feet. Find her new position relative to
Mademuasel [1]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Whts the factored answer
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Answer:

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Step-by-step explanation:

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