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Nana76 [90]
3 years ago
6

Which ordered pair is a solution to the system?

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
8 0

Answer:

A.

Step-by-step explanation:

5>4

6>2

5 is greater than 4, 6 is greater than 2

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Could you help me with my math homework? Pls
Svetradugi [14.3K]

Answer: i can try

Step-by-step explanation:

6 0
2 years ago
Runners race around a rectangular park during the city marathon. The length of the park is 6 miles. The width of the park is 7 m
Otrada [13]
Hi there! The answer is A. miles

We can find the miles someone would run during the marathon, by using the formula for the perimeter. This is:
2 × width + 2 x length.

Filling in this formula learns us that the distance that is run is measured in miles. The answer is A.
8 0
3 years ago
Which option best represents the Subtraction Property of Equality?
Nady [450]

Answer:

If a = b, then a - c = b - c

hope it helps

8 0
2 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
It snowed 875 inches last winter. This was 5 times the amount that it snowed the previous winter. How much did it snow the previ
Tomtit [17]
875/5=125

It snowed 125 inches the previous year. I hope I helped! :)
6 0
3 years ago
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