2 years ago

What is the length of line segment BC?

1 answer:

7 0

Hi :)

the length of line segment BC is 14 units.

remember that one dash going through one segment and the same dash going through another segment signifies equality. in this case, segment AB and BC are equal due to the same amount of lines going through it. hard to explain online but hope this helps.

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J=b-q/g solve for b.

Zigmanuir [339]

Answer:

$j = b - \frac{q}{g} \\ j + \frac{q}{g } = b \\ b = \frac{gj + q}{g} \\ thank \: you$

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3 years ago

What is the slope m and the y-intercept b of the graph of 8x - 3y = 10?

Keith_Richards [23]

The slope-intercept form: y = mx + b

m - a slope
b - y-intercept

8x - 3y = 10 |subtract 8x from both sides

-3y = -8x + 10 |divide both sides by (-3)

y = 8/3 x - 10/3

Answer:
The slope: m = 8/3
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3 years ago

Find the margin of error for a 90% confidence interval when the standard deviation is LaTeX: \sigma= 50????=50 and LaTeX: n = 25

Murrr4er [49]

Answer:

The margin of error for a 90% confidence interval is 16.4

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 25

Standard deviation = 50

$z_{critical}\text{ at}~\alpha_{0.10} = \pm 1.64$