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wel
2 years ago
8

In the state of Pennsylvania 12% of students submit box tops for education to their school. A large school district in western P

ennsylvania runs a contest to see if they can increase participation. The superintendent takes a random sample of 210 students from the district and finds that 35 have submitted box tops this year. Do these data provide convincing evidence that the contest has increased participation in the box tops for education programs
Mathematics
1 answer:
Eddi Din [679]2 years ago
3 0
Add more information
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A box in the shape of a triangular prism has a height of 9 feet. The base of the box has a length of 3 ft and a width of 7ft wha
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Solve the equation in two different ways. Choose one method of solving in detail 5x+7(x+1) = 5x - 21
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Answer:

METHOD 1:

5x+7(x+1)=5x-21

5x+7x+7=5x-21

12x+7=5x-21

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x=28/7

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METHOD 2:

5x+7(x+1)=5x-21

5x+7(x+1)=5x-21-5x

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7x=-28

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Step-by-step explanation:

METHOD 1:

5x+7(x+1)=5x-21

5x+7x+7=5x-21

12x+7=5x-21

12x-5x=-21-7

7x=-28

x=28/7

x=4

METHOD 2:

5x+7(x+1)=5x-21

5x+7(x+1)=5x-21-5x

7(x+1)=-21

7x+7=-21

7x=-28

x=4

6 0
3 years ago
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39×2÷6=13
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=1/2×13×6
=39 square mm. Hope it help!
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3 years ago
What is the slope and y intercept of y=3x+4
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y=mx+b
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2 years ago
Read 2 more answers
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