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Mnenie [13.5K]
3 years ago
15

A cup of coffee cost $2.75. If the total cost is $16.50, then how many cups of coffee were purchased? Choose the correct equatio

n and constant of proportionality. *
Mathematics
1 answer:
Colt1911 [192]3 years ago
4 0

Answer:

6

Step-by-step explanation:

16.50=2.75x

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I'm not sure if there are options to your question, but this equation is complicated. It can only be graphed, not simplified, you can't find x or y, and cannot be written in slope-intercept form. Remember when I said it could only be graphed, well heres the info.

The slope is -2/3

The y-intercept is 0

and heres a little chart

X      Y

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The points on the graph are

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For 4 weeks in June, Cameron biked 3 1/4 miles each week and swam 2 1/2 miles each week. For 3 weeks in July, he biked 4 3/4 mil
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Step-by-step explanation:

Given that,

For 4 weeks in June, Cameron biked 3 1/4 miles each week and swam 2 1/2 miles each week.

For 3 weeks in July, he biked 4 3/4 miles each week and swam 3 1/2 miles each week.

We need to find how much greater was the total distance Cameron bike and swim in July compared to the total distance he bike in swim in June.

In July, total distance is ,

4\dfrac{3}{4}\times 3+3\dfrac{1}{2}\times 3\\\\= \dfrac{19}{4}\times 3+\dfrac{7}{2}\times 3\\\\=24.75\ \text{miles}

In June, total distance is :

=4\times 3\dfrac{1}{4}+4\times 2\dfrac{1}{2}\\\\=\dfrac{13}{4}\times 4+\dfrac{5}{2}\times 4\\\\=23\ \text{miles}

Hence, in June total distance is 23 miles and in July total distance is 24.75 miles.

7 0
3 years ago
How can you use a distance time graph to compare the motion of two different object
tia_tia [17]

Answer:

If an object moves along a straight line, the distance traveled can be represented by a distance-time graph. In a distance-time graph, the gradient of the line is equal to the speed of the object. The greater the gradient (and the steeper the line) the faster the object is moving.

Step-by-step explanation:

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<span>2. Cars. Suppose you like a specific type of brand car. Then there are many cars of this brand. You want to buy one of that car, so you decide to go to a concessionaire. One concessionaire has that car and its cost is $2000. Another one has the same car, it is a similar one, same color, same year, but at a price of $1900, so obviously you choose the less expensive.</span>
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