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4 years ago

10

Can you guys help me with number 6 and 7??????

1 answer:

Sergio039 [100]4 years ago

5 0

The formula to find area would be length times height times width. In number six, the prism is 12 cm in length, 9 cm wide, and 5 cm high. So your equation would be 12 x 5 x 9. Your answer would be 540 cm squared.

Don't know about number seven, though

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Step-by-step explanation:

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3 years ago

Professor J can grade an entire section of essays in 3 hours. His teaching assistant, M, can grade the same amount of essays in

hoa [83]

Answer:

The time it takes them to grade the essays if they work together is 1.857 hours

Step-by-step explanation:

Let t1 is time taken by Professor J = 3 hours
Let t2 is time taken by the assistant = 5 hours
Let tb is the time taken by both

The formula for “Work” Problems that involve two persons is

$\frac{1}{t1} + \frac{1}{t2} =\frac{1}{tb}$

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3 years ago

X^2 - 25 = (x + 5) (?)

mixas84 [53]

Answer:

(?) = (x-5)

Step-by-step explanation:

Use difference of squares:

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4 years ago

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