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3 years ago

Evaluate the expression. 1 + |7|. The answer is probably really easy i'm just dumb-

Mathematics

2 answers:

sineoko [7]3 years ago

8 0

Answer: 8

Step-by-step explanation: The answer will be 8. Plus you're not dumb.

MatroZZZ [7]3 years ago

3 0

Answer:

Step-by-step explanation:

I'm sure you're still really smart, you just don't understand it :)

Those two bars mean the absolute value of whatever's inside of them. Absolute value is always positive, so if you had 34 inside of the bars, it would still be positive 34.

Now that we know what those bars mean, the expression is really this:

1 + 7

I'm sure you can solve that :)

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3 years ago

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Feliz [49]

Answer:

= 225

Step-by-step explanation:

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3 years ago

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Ymorist [56]

Answer:

a=54

Step-by-step explanation:

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3 years ago

sam had 70 erasers and rulers. after giving away 1/3 of his erasers and 10 rulers, he had an equal number of erasers and rulers

Radda [10]

Answer:

36 erasers

Step-by-step explanation:

Let number of erasers be e

let number of rulers be r

We can write:

e + r = 70

and

After giving away, he has

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Rulers: r - 10

These two are equal, so we can write and solve:

2/3e = r - 10

2/3e + 10 = r

Putting this in initial equation, we have:

e + (2/3e + 10) = 70

5/3e + 10 = 70

5/3 e = 60

e = 36

And rulers is:

r = 2/3(36) + 10 = 34

Hence, he had 36 erasers in the beginning

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3 years ago

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Gre4nikov [31]

Answer:

Step-by-step explanation:

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2 years ago

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