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3 years ago

10

the volume of this triangular prism is ….. cubic inches. please someone help, will give brainliest asap just explain how❤️❤️❤️❤️

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2 answers:

Andreas93 [3]3 years ago

7 0

Answer:

278.85

Step-by-step explanation:

KengaRu [80]3 years ago

4 0

Answer:

I think the answer is 278.85

Step-by-step explanation:

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At Elisa's printing company, there are two kinds of printing presses: Model A, which can print 70 books/ day, and model B, which

Dmitrij [34]

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9 Model As.

Step-by-step explanation:

Let A represent Press A and let B represent Press B.

So, they own 14 total presses. This means that:

$A+B=14$

They can print 905 books per day, in other words, since A prints 70 per day and B prints 55 per day:

$70A+55B=905$

This is now a system of equations. Solve by substitution. From the first equation, subtract B from both sides:

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First, we can divide everything by 5 to simplify things:

$14(14-B)+11B=181$

Distribute the left:

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Combine like terms:

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Divide both sides by -3

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So, the company has 5 Model B presses.

Which means that the company has 14-5 or 9 Model A presses.

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3 years ago