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Ainat [17]
3 years ago
9

3 1/4 + 4 3/8 - 5= ? Please show work

Mathematics
1 answer:
Snezhnost [94]3 years ago
5 0

Answer:

Step-by-step explanation:

3 1/4+4 3/8-5=

Convert the mixed number to an improper fraction

13/4+4 3/8-5

Convert the mixed number to an improper fraction

13/4 +35/8 -5

-5 +61/8

21/8

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Please help. I don’t understand how to do this
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Greetings from Brasil...

Let's apply the given formula:

A = (1/2)·B·H

The base of this polygon (in this case, the triangle) is B

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H = X + 4

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A = (1/2)·B·H

A = (1/2)·(X² - 2X + 6)·(X + 4)

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