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dolphi86 [110]
2 years ago
12

How do you construct angle 22 and half ​

Mathematics
2 answers:
yaroslaw [1]2 years ago
4 0

Answer:

Below.

Step-by-step explanation:

First draw an angle of 90 degrees.

Then bisect it to give an angle of 45 degrees.

Finally bisect the 45 degree angle.

s344n2d4d5 [400]2 years ago
3 0

Answer:

  Construct a right angle and bisect it twice

Step-by-step explanation:

22 1/2° = 90°/4

To construct an angle with this measure, construct a right angle, then bisect it, then bisect one of the 45° angles that result.

Or, instead of bisecting the right angle, you can use it to create an isosceles right triangle, then bisect one of the 45° angles.

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Babies born after 40 weeks gestation have a mean length of 52.2 centimeters (about 20.6 inches). Babies born one month early hav
Sveta_85 [38]

Answer:

a) Z = -2.88

b) Z = -0.96

c) 40 weeks gestation babies

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

a. Find the standardized score (z-score), relative to all U.S. births, for a baby with a birth length of 45 cm.

Here, we use \mu = 52.2, \sigma = 2.5. So

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

Z = \frac{45 - 52.2}{2.5}

Z = -2.88

b. Find the standardized score of a birth length of 45 cm. for babies born one month early, using 47.4 as the mean.

Here, we use \mu = 47.4, \sigma = 2.5. So

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

Z = \frac{45 - 47.4}{2.5}

Z = -0.96

c. For which group is a birth length of 45 cm more common?

For each group, the probability is 1 subtracted by the pvalue of Z.

Z = -2.88 has a lower pvalue than Z = -0.96, so for Z = -2.88 the probability 1 - pvalue of Z will be greater. This means that for 40 weeks gestation babies a birth length of 45 cm is more common.

3 0
2 years ago
which of these is an example of a discrete random variable? A. Time worked on a job B. Weight of a child C. First digit of a pho
sergiy2304 [10]

es la c

agddfuygafgaufkgydkuyfegag

4 0
3 years ago
Read 2 more answers
In a large apartment building, 35 of the apartments have a balcony and 55 do not.
Masteriza [31]
Hello!

You first have to find the total amount of apartments

35 + 55 = 90

There are 90 apartments

Then you find the percentage of them have a balcony

You do this by taking the amount of apartments that have a balcony over the total amount of apartments

35/90 = 0.39

0.39 as a percent is 39%

The answer is 39/100 or 39%

Hope this helps!
5 0
2 years ago
Solve this equation 6(4.5y-12)=9
irinina [24]
6(4.5y - 12) = 9

(4.5y - 12) = 9/6

4.5y - 12 = 1.5

4.5y = 1.5 + 12

4.5y = 13.5

y = 13.5/4.5

y = 3 
6 0
3 years ago
−4(6) + 10 <br> Evaluate the expression
alexgriva [62]

Answer:

-4(6)+10= -14

Step-by-step explanation:

(-4 x 6) +10

-24+10=-14

7 0
2 years ago
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