3 years ago

Penny reads 14 pages in 1/2 hour. What is the unit rate for pages per hour? For hours per page

Mathematics

1 answer:

Alexus [3.1K]3 years ago

8 0

28 pages an hour ggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg

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Solve by factoring, help

zubka84 [21]

Answer:

$x = - 4 \\ x = - 7$

Step-by-step explanation:

$x {}^{2} + 28 = - 11x \\ x {}^{2} + 11x + 28 = 0 \\ x {}^{2} + 7x + 4x + 28 = 0 \\ x(x + 7) + 4(x + 7) = 0 \\ (x + 4)(x + 7) = 0 \\ \\ x = - 4 \: \: \: \: \: \: \\ \: x = - 7$

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Step-by-step explanation:

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diamong [38]

Answer:

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Step-by-step explanation:

The circumference is 3/2 pi

The circumference is given by

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A = pi r^2

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12a^3b^2c

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Step-by-step explanation:

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