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Svetlanka [38]
3 years ago
14

Help me please with this question

Mathematics
1 answer:
serious [3.7K]3 years ago
8 0
The true statement is that the domain of the functions is all real greater than or equal to 0. This is 0 and all positive real numbers.

This is because the square root, in the set of the real nuimbers, is not defined for the negative numbers.

The range is also 0 and positive real numbers.
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HELP ME PLEASE I'll give brainless.
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MLJ is congruent to POL( corresponding angles)
POL= 59
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How do I divide with fractions?
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4/5 ÷ 5/3

4/5 * 3/5 

12/25




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ASAP WILL MARK BRAINLIEST
SashulF [63]
V=lengthxwidthxheight
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A student wants to construct the inscribed circle of a triangle. What is the first step he/she should take?
pantera1 [17]

The <em>correct answer</em> is:


d) Construct the angle bisector of each angle in the triangle


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3 years ago
Read 2 more answers
Assume that the heights of women are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. If
djyliett [7]

Answer:

Option a. 0.9811

Step-by-step explanation:

First, you need to use a normal distribution table to solve this. If you don't have it, then see the attached table so you can guide yourself.

Now, we want to know the probability of randomly select 75 women whose height have a mean between 63 and 65 inches, knowing that in general, the mean is 63.5 and standard deviation of 2.5

To do this, you should calculate first the Z score value for both heights, one for 63 inches and the other with 65 inches. Then, with those values, we'll look the table to get the area under the curve, and thus, the probability. To calculate Z use the following expression:

Z = x - μ / (σ/√n)

Where:

μ: mean height

σ: standard deviation

x: height required

n: sample population

We have all the data so let's calculate both values of Z:

Z1 = 63 - 63.6 / (2.5/√75) = -2.08

Z2 = 65 - 63.6 / (2-5/√75) = 4.85

With these Z score, let's watch the table, and see which area belongs to,

In the case of Z1, the area is 0.0188, while Z2 is 1.

To know the probability, all we need to do is substract those values:

P = 1 - 0.0188 = 0.9812

Option a) is the most accurate and closest result to this.

5 0
3 years ago
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