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Illusion [34]
2 years ago
10

(LC)

Mathematics
1 answer:
serg [7]2 years ago
8 0
10

1240 x 10 = 12400
12400 = 12400
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Tanya walked for 17 minutes from her home to a friend that lives 1.5 kilometers away . d(t) models Tanya's remaining distance to
andrey2020 [161]

Answer:

Real numbers

0≤ t ≤17

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2 years ago
I need help with this problem and if you can help me I would definitely appreciate it :)
Georgia [21]

Answer:

a. x=2, y=13

b. x=14, y=25

c. x=−4, y=13

Step-by-step explanation:

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2 years ago
during a basketball practice mai attempted 40 free throws and was successful on 25% of them how many successful free throws did
arlik [135]

Answer:

10=25

Step-by-step explanation:

40=100

4=10

2=5

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2 years ago
Levi takes his friends on a boat ride.
melomori [17]

Answer:

The distance traveled in Duke Canal is one-fourth the distance traveled on Witham Lake

Step-by-step explanation:good luck

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3 years ago
A set of city temperatures in April are normally distributed with a mean of 19.7 degrees Celsius and a standard deviation of 2 d
Sati [7]

Answer:

19.77% of average city temperatures are higher than that of Cairo

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 question, we have that:

\mu = 19.7, \sigma = 2

What percentage of average city temperatures are higher than that of Cairo?

This is 1 subtracted by the pvalue of Z when X = 21.4.

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

Z = \frac{21.4 - 19.7}{2}

Z = 0.85

Z = 0.85 has a pvalue of 0.8023

1 - 0.8023 = 0.1977

19.77% of average city temperatures are higher than that of Cairo

6 0
2 years ago
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