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3 years ago

Write an equation of a line that passes through each pair of points. (-2,6) (0,0)

1 answer:

6 0

Answer: y= -3x

(there is no y-intercept in the points you listed so if you can find one on a picture of your question, do so. but since i do not see a given y-intercept, i assume it is 0)

To find the slope, use the two points given.

1st: subtract the y-values. 0-6= -6.

2nd: subtract the x-values. 0-(-2)= 2

3rd: you have -6/2.

4th: simplify to get a slope of -3.

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Calculating the degrees of freedom, the sample variance, and the estimated standard error for evaluations.

ki77a [65]

Answer:

The variance is $\sigma ^2 =25$

Step-by-step explanation:

From the question we are told that

The sample size is n = 21

The sum of squares is $SS = 500$

Generally the variance is mathematically represented as

$\sigma ^2 = \frac{SS}{n- 1}$

substituting values

$\sigma ^2 = \frac{ 500}{21- 1}$

$\sigma ^2 =25$

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3 years ago

a news paper carrier has 10.30 in change. he has two more quarters than dimes but three times as many nickles as quarters. how m

Karolina [17]

A) .05n + .10d + .25 q = 10.30
B) d +2 = q
C) n = 3q
Substituting equations B and C into A
A) .05*3q + .10(q-2) + .25 q = 10.30
A) .15q + .1q -.2 + .25q = 10.30
A) .50q = 10.50
21 quarters

C) n = 3q
C) n = 3*21
63 nickels

B) d +2 = q
d + 2 = 21
19 dimes

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3 years ago

If 5 is added to twice a number, the result is 29. Find the number.

Lelechka [254]

Answer:

Step-by-step explanation:

12 times 2 = 24 + 5= 29

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3 years ago

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Natasha_Volkova [10]

Answer:

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Step-by-step explanation:

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3 years ago

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san4es73 [151]

The answer is 949.355

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