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andrezito [222]
3 years ago
15

I need help with this.

Mathematics
1 answer:
Alla [95]3 years ago
4 0

Answer:

B

Step-by-step explanation:

3x + 15 = -4x + 8

7x = -7

x = -1

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Donato drinks more juice

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The force, F, needed to break a board in a martial arts class varies inversely with the length, L, of the board. If it takes 24
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Answer:

it would take 40 pounds of pressure to break the board.

Step-by-step explanation:

F = \frac{x}{L}

Now we plug in the numbers of force and length

24 =\frac{k}{2.5}

Now we multiply both sides by 2.5 to get rid of the fraction.

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Now we plug in our variation constant

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So we convert the length of 2.5 feet into inches. This is 18 inches. Since there are 12 inches in one foot, we have that 18 inches is equal to 18 divided by 12.

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Please explain your answer as well!
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Class A                                    Class B
1 2 3 4 5 6 7 8       4      1 2
            2 3 4 9       5      9
            1 1 4 8       6      2 4 9
                     1       7      1 5 7 8 8
                  2 5       8      0 3 4 4 6 6 7
                     0       9      2 2 5

<u>Mode and Mean for Class A</u>
Mode: 61
Mean: 57.8

<u>Range and Median for Class B</u>
Range: 54
Median: 78
7 0
4 years ago
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