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3 years ago

Please help me with these and please have explanations

Mathematics

1 answer:

NeTakaya3 years ago

6 0

Answer:

1-B

2-C

3-D

Step-by-step explanation:

In the attached file

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3 years ago

If the base of a triangle is represented by 2x+5 and the height is represented by 4x which expression represents the area of the

madreJ [45]

Answer:

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Step-by-step explanation:

You use base times height

1/2bh

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3 years ago

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3 years ago

lukranit [14]

Answer:

12.56

Step-by-step explanation:

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3 years ago

David has 3 1/2 cups of blueberries. He uses 1/4 of a cup of blueberries to make a breakfast smoothie. He uses 1/2 of the remain

dusya [7]

Answer:

$1\frac{5}{8}$ cup of blueberries

Step-by-step explanation:

Since David starts out with 3 1/2 cups of blueberries and uses 1/4 cup to make a smoothie, we will need to subtract 1/4 from his starting amount of 3 1/2

$3\frac{1}{2}-\frac{1}{4} =3\frac{1}{4}$ David now has 3 1/4 cup of blueberries

David then uses half of this new amount of blueberries to make his pancakes. We will need to divide by 2 in order to figure out how much half is

First we can turn 3 1/4 into an improper fraction to make it easier to work with → 3 1/4 = 13/4
Now dividing 13/4 by 2 gives us $\frac{\frac{13}{4} }{2} =(\frac{13}{4})(\frac{1}{2}) = \frac{13}{8}$
David used 13/8 cups of blueberries to make his pancakes
Turning this back into a mixed number leaves him with 1 5/8 cup of blueberries

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3 years ago