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Illusion [34]
2 years ago
12

>…_~§-+*First Answer Gets Brainliest*+-§~_…< Questions In the picture!

Mathematics
1 answer:
zysi [14]2 years ago
7 0

Answer:

1. If x=5, 3*5=15, 15*15=225 + y (3) = 228.

2. If y=4, then 10*4 = 40, 4^2 is 16, so 40 + 16 is 56.

I might be wrong, but the first one you answered, x^2, x= 1/2, I think that is wrong. when something is squared, you don't go, "Oh, well since 1/2 equals 1, that's the answer." The way to figure out something like this is... 1/2 times 1/2, which is .25, or 1/4. Another example: 3^5 . The way to find this out is 3*3*3*3*3 = 243. But  you don't go 3*5, because that answer would be 15, which is not correct.

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tatyana61 [14]

Answer:

x=12

Step-by-step explanation:

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plus 6 both sides

3x=36

divide 3 both sides

x=12

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Alex17521 [72]

Answer:

Its definitely B 84.5

I took the test

Step-by-step explanation:

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ziro4ka [17]

You can't really convert that becasue cups is a volume and pounds is a weight. If I have a cup of feathers and a cup of iron filings, then the iron filings will weigh much less than the feathers. A cup different items would not have the same weight - if you know what I mean.

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