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USPshnik [31]
3 years ago
5

In your own words,define a system of equations

Mathematics
1 answer:
lesya692 [45]3 years ago
8 0
First you solve for X then substitute the number you got for X and then solve for Y.
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What is the distance between points (-3 -5) and (-3 -7)?<br> Please help I’m tryna bring up my grade
Ahat [919]

Answer:

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5 0
3 years ago
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HELP ME PLEASE
olga_2 [115]

Answer: A (5, -5.5)

Step-by-step explanation: To find the midpoint of a line segment, you must know the formations of points. Two coordinates are made up of (x1, y1)(x2, y2). Now, to find the answer, you have to add the two x's (which is 4 and 6 = 10) and divide by 2 which equals 5. Now to find the y point, add both y's together. -5 + -6 = -11, and dividing by 2 gives you -5.5

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2 years ago
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A sample of 1000 college students at NC State University were randomly selected for a survey. Among the survey participants, 102
cupoosta [38]

Answer:

The upper endpoint of the 99% confidence interval for population proportion is 0.13.

Step-by-step explanation:

The confidence interval for population proportion is:

CI=\hat p\pm z_{\alpha /2}\sqrt{\frac{\hat p(1-\hat p)}{n}}

<u>Given:</u>

<em>n</em> = 1000

\hat p = 0.102

z_{\alpha /2}=z_{0.01/2}=z_{0.005}=2.58

*Use the standard normal table for the critical value.

Compute the 99% confidence interval for population proportion as follows:

CI=\hat p\pm z_{\alpha /2}\sqrt{\frac{\hat p(1-\hat p)}{n}}\\=0.102\pm 2.58\times\sqrt{\frac{0.102(1-0.102)}{1000}}\\=0.102\pm0.0248\\=(0.0772, 0.1268)\\\approx (0.08, 0.13)

Thus, the upper limit of the 99% confidence interval for population proportion is 0.13.

6 0
3 years ago
A square tile has an area of 121 square inches what is the length of one side of the tile
Grace [21]
11 in
For a square, you need to find the length of one of the sides multiply by itself to find the area<span>.</span>
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3 years ago
Which of the following expressions represents the distance between -\dfrac34−
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Answer: it's the second option, so B.

Step-by-step explanation:

Trust me, it's correct. (This answer for is Khan)

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3 years ago
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