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cupoosta [38]
2 years ago
12

Find the value of x please

Mathematics
1 answer:
dexar [7]2 years ago
4 0

Answer:

x=21°

Step-by-step explanation:

in the isosceles triangle, if two sides are equal,then the angles opposite those sides are equal.

so, 2x=42° ( exterior angle of a triangle is equal to the sum of the two opposite interior angles)

x=21°

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5% of what number is 10
Umnica [9.8K]

Answer:

its 0.5

Step-by-step explanation:

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Bonus: Find the measure indicated. *
velikii [3]

Answer:

AC = 16 in.

Step-by-step explanation:

AD = CD = 10 in.

BD = 6 in.

AC = 2(AB) = ?

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AB² = AD² - BD²

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2 years ago
The length of human pregnancies from conception to birth varies according to an approximately normal distribution with a mean of
Varvara68 [4.7K]

Answer:

A) 68.33%

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Step-by-step explanation:

We have that the mean is 266 days (m) and the standard deviation is 16 days (sd), so we are asked:

A. P (250 x < 282)

P ((x1 - m) / sd < x < (x2 - m) / sd)

P ((250 - 266) / 16 < x < (282 - 266) / 16)

P (- 1 < z < 1)

P (z < 1) - P (-1 < z)

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P (-1 < z) = 0.1587

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replacing

0.8413 - 0.1587 = 0.6833

The percentage of pregnancies last between 250 and 282 days is 68.33%

B. We apply the experimental formula of 68-95-99.7

For middle 95% it is:

(m - 2 * sd, m + 2 * sd)

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we replace

266 - 2 * 16 <x <266 + 2 * 16

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That is, the interval would be (234, 298)

6 0
2 years ago
Find cos theta if sin theta=3/4 and theta lies in quadrant 2
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7 0
2 years ago
Please please help! I will mark you brainliest thank you math experts
TEA [102]

Answer:

Right skewed Histogram.

Explanation:

As the peak of the graph lies to the left side of the centre.

6 0
2 years ago
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