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shutvik [7]
3 years ago
6

A student broke this trapezoid into two triangles. She says she has enough information to find the area of it. Is she correct? E

xplain your answer.

Mathematics
2 answers:
forsale [732]3 years ago
6 0
It depends on what measurements are given. Do you have a photo? Please revise your question
never [62]3 years ago
4 0

Answer:

For this picture below: Yes. The base and height can be determined for both triangles. Use the formula A = 1/2bh to find the area of each, then add them to get the area of the trapezoid. 10 + 15 = 25 in^2.

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Korolek [52]
5.12-1.30= your answer
7 0
3 years ago
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Assume that military aircraft use ejection seats designed for men weighing between 141.8 lb and 218 lb. If​ women's weights are
Mariulka [41]

Answer:

P(141.8

And we can find this probability with this difference and using the normal standard table:

P(-0.639

Then the answer would be approximately 55.3% of women between the specifications. And that represent more than the half of women

Step-by-step explanation:

Let X the random variable that represent the weights of a population, and for this case we know the distribution for X is given by:

X \sim N(173.6,49.8)  

Where \mu=173.6 and \sigma=49.8

We are interested on this probability

P(141.8

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(141.8

And we can find this probability with this difference and using the normal standard table:

P(-0.639

Then the answer would be approximately 55.3% of women between the specifications. And that represent more than the half of women

8 0
3 years ago
X to the 2nd power minus 6 equals 1
alexandr402 [8]

Answer:

2.646

Step-by-step explanation:

You have to 6 to the 1 and then take the square root of the number which is seven leaving you with 2.646

3 0
2 years ago
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A radioactive substance decays exponentially. A scientist begins with 100 milligrams of a radioactive substance. After 27 hours,
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