3 years ago

How to get 5% of 220 files

Mathematics

1 answer:

shtirl [24]3 years ago

8 0

Divide and then multiply by 100

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jek_recluse [69]

The percent of discount is 70%.

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3 years ago

The table shows the heights in inches of trees after they have been planted. Determine the equation which relates x and y.

fenix001 [56]

To get the that relates x and y, we choose two points on the table and use the equation of a straight line as follows:

Recall that the equation of a staight line is obtained from the formula
$\frac{y-y_1}{x-x_1} = \frac{y_2-y_1}{x_2-x_1}$

Using the points (30, 18) and (36, 24), we have
$\frac{y-18}{x-30} = \frac{24-18}{36-30}= \frac{6}{6} =1 \\ \\ \Rightarrow y-18=x-30 \\ \\ \Rightarrow y=x-30+18 \\ \\ \Rightarrow y=x-12$

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3 years ago

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inysia [295]

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C. chemical energy is what it's stored in the form of

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3 years ago

3x^2+24x+9=0 in vertex form (completing the square)

Drupady [299]

Answer:

I tried everything and either I'm doing it wrong or you wrote this wrong

Step-by-step explanation:

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3 years ago

What is the closest perfect square greater than 54

Anna35 [415]

Answer:

Step-by-step explanation:

Perfect squares are integers multiplied by themselves.

2 times 2 = 4
3 times 3 = 9
4 times 4 = 15

The closest perfect squares to 54 are 49 (7^2) and 64 (8^2).

49 is less than 54, so that's ruled out.

Therefore, the closest perfect square to 54 that is greater than it is 64.

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3 years ago