3 years ago

Is anyonee uppppppp or is it just me whats 4 + 4 because i dont know

Mathematics

2 answers:

zlopas [31]3 years ago

5 0

Answer:

Step-by-step explanation:

4+4

You can rewrite it as

2+2+2+2

IRISSAK [1]3 years ago

3 0

The answer is 8 lol

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Please help I will mark brainliest! For correct answers

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Answer:

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Step-by-step explanation:

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David is 4 times older than Adan. Adan is 2 times older than julio. Julio is 12, how old is David?

dem82 [27]

12 x 2 = 24 (Julio), 24 x 4 = 96 (David).

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3 years ago

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Jose asks his friends to guess the higher of two grades he received on his math tests. He gives them two hints. The difference o

AlekseyPX

Answer : 96

x – y = 16 --------> equation 1

$\frac{1}{8} x +\frac{1}{2} y = 52$

x is the higher grade and y is the lower grade

We solve the first equation for y

x - y = 16

-y = 16 -x ( divide each term by -1)

y = -16 + x

Now substitute y in second equation

$\frac{1}{8} x +\frac{1}{2} ( -16 + x ) = 52$

$\frac{1}{8} x - 8 + \frac{1}{2} x = 52$

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Take common denominator to combine fractions

$\frac{1}{8} x + \frac{4}{8} x -8 = 52$

$\frac{5}{8} x - 8 = 52$

Add 8 on both sides

$\frac{5}{8} x = 60$

Multiply both sides by $\frac{8}{5}$

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3 years ago

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What's equivalent to y^9 - y^3

Yuki888 [10]

Y^9-y^3 can also be written as y^9-y^3=x
so it is also equivalent to x+y^3=y^9
and x-y^9=-y^3

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SVETLANKA909090 [29]

Answer: 72/48 unless you have to simplify which would be 3/2 or do you want decimal?

Step-by-step explanation:

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