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Ivenika [448]
3 years ago
9

What is the value of x?

Mathematics
1 answer:
earnstyle [38]3 years ago
8 0
By observing the dash marks on each side we know that this is an equalateral triangle, meaning each angle is 60°. If X=32 then we can tell it does by solving this equation 2(32) - 4 =60 because 2(32)=64 and 64 - 4=60°.
Therefore X=32

Hope this helped!
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Write an equation of the line passing through point P (2,3) that is perpendicular to the time y-4=-2(x+3)
pshichka [43]
Perpendicular lines have a slope that is equal to the negative inverse.
Slope is m=-2 so the new slope would be m=-(-1/2)=+1/2

Then use point slope form y-y1=m(x-x1) to get

y-2=1/2(x-3)

y=1/2x+1/2
3 0
3 years ago
The beginning balance in a person's savings account was 3600 dollars. After making a withdrawal of 400 dollars but earning inter
serious [3.7K]

Answer:

The answer would be 3216.

Step-by-step explanation:

You subtract 400 from 3600 to get 3200. You add 16+ to the answer. Then you get 3216. Voila.

7 0
4 years ago
795 times 12 then add 6754 then divided by 7
FromTheMoon [43]
Answer ISSSSSSSSSSS

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3 0
3 years ago
Read 2 more answers
In the United States, the mean birth weight for boys is 3.41 kg with a standard deviation of 0.55 kg. Assume that the distributi
lyudmila [28]

Answer:

The proportion of baby boys in the United States that are born with low birth weight is 0.0495.

Step-by-step explanation:

Problems of normal distributions can be 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.

3.41 kg with a standard deviation of 0.55 kg.

This means that \mu = 3.41, \sigma = 0.55

What proportion of baby boys in the United States are born with low birth weight?

This is the pvalue of Z when X = 2.5. So

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

Z = \frac{2.5 - 3.41}{0.55}

Z = -1.65

Z = -1.65 has a pvalue of 0.0495

The proportion of baby boys in the United States that are born with low birth weight is 0.0495.

7 0
3 years ago
What would 3/4 - 3/4 be?
strojnjashka [21]
Anything subtracted by itself is 0

So, the answer is 0.

Hope this helped!
4 0
3 years ago
Read 2 more answers
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