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EleoNora [17]
3 years ago
10

Collinear points are two or more points that lie on the same _____.

Mathematics
2 answers:
lawyer [7]3 years ago
8 0
Collinear points are two or more points that lie on the same line.
rusak2 [61]3 years ago
7 0
<h2>Answer:</h2>

Collinear points are two or more points that lie on the same line.

<h2>Step-by-step explanation:</h2>

<u>Collinear Points--</u>

Two or more points are said to be collinear if they lie on the same line and if they don't lie on the same line then they are called non-collinear points.

( for example--

In a triangle all the three points do not lie in the same line.

Hence, they are non-collinear points)

( similarly we use the definition of coplanar.

Two or more points are said to be coplanar if they lie on the same plane)

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shepuryov [24]

Answer:

t-distribution should be used to construct a confidence interval.

Step-by-step explanation:

We are given that a random sample of 18 families, the average weekly food expense was $95.60 with a sample standard deviation of $22.50.

We have to determine whether a normal distribution (Z values) or a t- distribution should be used or whether neither of these can be used to construct a confidence interval.

<em><u>Since in this question we are provided with;</u></em>

Sample average weekly food expense, \bar X = $95.60

Sample standard deviation, s = $22.50

Sample of families, n = 18

The distribution that we will use here to construct a confidence interval will be <u>t-distribution</u> because in the question we don't know anything about population standard deviation (\sigma) .

Normal distribution is used when we know population standard deviation (\sigma).

So, the pivotal quantity for confidence interval that will be used is One-sample t-test statistics;

                P.Q. = \frac{\bar X -\mu}{\frac{s}{\sqrt{n} } } ~ t_n_-_1

Therefore, t-distribution should be used to construct a confidence interval.

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3 years ago
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ziro4ka [17]
(4x - y)/(2y + x) when x = 3 and y = 3 is
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10. The length of the radius of a bicycle wheel is 14 inches. Which of the following is closest to the circumference of the whee
Elina [12.6K]

Answer:

87.92

Step-by-step explanation:

you have your radius 14 inches  to get the  answer is

1: pie   is 3.14

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Dividing both sides by 5

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In second question, x intercept is 1, y intercept is -1 and z intercept is 2 .

So the correct option is the third equation , that is x-y+2z=4 .

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