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AveGali [126]
2 years ago
14

What does similar figures mean?

Mathematics
1 answer:
Sidana [21]2 years ago
5 0

Answer:

A. Figures with the same shape, but not necessarily the same size

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The distribution of the number of transactions performed at a bank each day is approximately normal with mean 478 transactions a
jolli1 [7]

Answer:

e. 0.977

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 = 478, \sigma = 64

Which of the following is closest to the proportion of daily transactions greater than 350?

This is 1 subtracted by the pvalue of Z when X = 350. So

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

Z = \frac{350 - 478}{64}

Z = -2

Z = -2 has a pvalue of 0.023

1 - 0.023 = 0.977

So the correct answer is:

e. 0.977

6 0
3 years ago
What is the largest number that can go into all three of these numbers:
mario62 [17]
The correct number is 12
3 0
2 years ago
Read 2 more answers
What is the square root of 160
adelina 88 [10]

Answer:

The square root is 12.649.....

5 0
3 years ago
Explain each step of how to solve this: -1 2/3 divided by 3/5
Tatiana [17]

Answer:

11 2/3 or 11.6667

Step-by-step explanation:

Hope this helps and have a great day.

8 0
2 years ago
The value of x is ___, and the value of y is ___. <br><br> Please help me out! Thanks! <br> :)
vagabundo [1.1K]
The value of x is 60, as you wrote. The sum of all angles in a triangle is 180°.

The sum of all angles on a straight line is also 180°. So to find y, solve for the third angle of the triangle on the left.

50 + 60 = 110. 180-110 = 70°.

Now we know 2 of the 3 angles along the line (70° and x, 60°)

70 + 60 + y = 180
130 + y = 180
y = 50

Hope this helps. LMK if you have questions.
5 0
3 years ago
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