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Furkat [3]
3 years ago
10

Joianie beleives that you cannot use cross products to solve the proportion 50/3 = 75/x for x. She says

Mathematics
1 answer:
BigorU [14]3 years ago
6 0

Answer:

4.5 It doesn't come out evenly, but cross products do work.

Step-by-step explanation:

She is not correct.

50 * x = 3 * 75              Combine the right

50x = 225                    Divide by 50

x = 225/50

x = 4.5

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What point would be reflected across the y-axis to ( − 3, − 9) ?
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Answer:

(-3, 9)

Step-by-step explanation:

If a point was reflected across the y-axis, then the y-coordinate would change signs (from negative to positive or from positive to negative). Using this, we could find the original point by changing the sign of the y-coordinate. As you may already see, this is really just reflecting the point across the y-axis again. By doing this, you get the point (-3, 9).

The point would be (-3, 9).

I hope this helps. :)

5 0
3 years ago
The perimeter of a rectangular pool is 306m. If the length of the pool is 87m, what is its width?
s344n2d4d5 [400]

Answer: the width is 66

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4 0
3 years ago
Its #4 help please <br> question 4
sasho [114]

Answer:

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4 0
3 years ago
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4 0
2 years ago
Tickets for a county fair are $8 for an adult and $5 for a child. If you have a 15% discount card, how
FrozenT [24]

Answer:

$21.25

Step-by-step explanation:

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The cost of the 2 child tickets before the discount is $5 * 2 = $10

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