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Serga [27]
3 years ago
5

The store has sold 90 notebooks which is 20% of all the notebooks they had how many notebooks did the store have at first

Mathematics
1 answer:
kirill115 [55]3 years ago
4 0
90 is 20% so

90 x 5 = 450 note books
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The slope of the line that contains the points (2, -7) and (-2, 5) is -3. What is the y-intercept?
kramer

Answer:

C. -1

Step-by-step explanation:

Find the y intercept by plugging in the slope and a given point into the equation y = mx + b. Then, solve for b:

y = mx + b

-7 = -3(2) + b

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The correct answer is C. -1

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Answer:

Mean:36

Median:27

Mode:27

Range:50

Step-by-step explanation:

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Mode: The number that appeared more than others which is 27

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5 0
2 years ago
Pls work out and give detail. Use the slope formula to determine the slope of each line.
kolbaska11 [484]

Answer:

m=0

Step-by-step explanation:

Given

See attachment

Required

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From the attachment, we have the following points

(x_1,y_1) = (-4,1)

and

(x_2,y_2) = (3,1)

The slope m is then calculated using:

m = \frac{y_2- y_1}{x_2 - x_1}

Substitute values for the x's and y's

m = \frac{1-1}{3 - (-4)}

m = \frac{1-1}{3 +4}

m = \frac{0}{7}

m=0

<em>Hence, the slope is 0</em>

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Answer:

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I believe the answer is H,
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