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amm1812
3 years ago
14

What is 5 times 3 times 7 add 7

Mathematics
1 answer:
Nikitich [7]3 years ago
5 0

Answer:

5*3*7+7=112

Step-by-step explanation:

5*3*7=105+7=112

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6-
Veseljchak [2.6K]

Answer:

c=45 +679 =6y=8h

Step-by-step explanation:

8 0
3 years ago
Assume that the random variable X is normally distributed, with mean 60 and standard deviation 16. Compute the probability P(X &
elixir [45]

Answer:

P(X < 80) = 0.89435.

Step-by-step explanation:

When the distribution is normal, we use 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 = 60, \sigma = 16

P(X < 80)

This is the pvalue of Z when X = 80. So

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

Z = \frac{80 - 60}{16}

Z = 1.25

Z = 1.25 has a pvalue of 0.89435.

So

P(X < 80) = 0.89435.

5 0
3 years ago
True or false: the Pythagorean theorem can be applied to every triangle
Mnenie [13.5K]

Answer:

False

Step-by-step explanation:

The Pythagorean theorem can only be applied to right triangles.

4 0
3 years ago
Read 2 more answers
Is there enough information to prove that the triangles are congruent?
m_a_m_a [10]

Answer:

In triangle ABC and triangle CDA

AB=CD(given)

BC=DA(given)

AC=AC(common)

Thus triangle ABC and triangle CDA are congruent by SSS rule

3 0
3 years ago
Read 2 more answers
What are the solutions to x2 + 8x + 7 = 0?
nikitadnepr [17]

Answer:

x= -1 and x= -7

hope it helps.

5 0
3 years ago
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