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Travka [436]
3 years ago
13

An office needs 300 envelopes. If there are 30 envelopes in each box, how many boxes should the office buy?

Mathematics
2 answers:
Mila [183]3 years ago
7 0

Answer:

they should buy 10 boxes

Step-by-step explanation:

300/30 = 10

Elanso [62]3 years ago
4 0

Answer: they should buy 10

Step-by-step explanation:

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Who’s right? And why?
kvasek [131]

Answer: Raymond is correct

The DJ charges $75 an hour.

=================================================

Explanation:

x = number of hours

y = total cost

The DJ does a 3-hour event for $275. This means one point is (x,y) = (3,275)

Another point is (5,425) because a 5-hour event costs $425.

Let's find the slope of the line through these two points.

(x_1,y_1) = (3,275) \text{ and } (x_2,y_2)  = (5,425)\\\\m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\m = \frac{425 - 275}{5 - 3}\\\\m = \frac{150}{2}\\\\m = 75\\\\

The slope is 75, meaning that each time y goes up by 75, x goes up by 1.

Flipped around it means each time x goes up by 1, y goes up by 75.

This means each time we add on an extra hour, the cost goes up by $75.

The DJ charges $75 an hour. Raymond is correct.

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2 years ago
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7. x=3 is the midpoint between the roots. The other root is x = 2*3 -(-5) = 11.

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Step-by-step explanation:

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in the wording, it was stated that the triangle was reflected then dilated.

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