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Nitella [24]
3 years ago
10

Why is it important that everyone follow the same order of operations when evaluating expressions?

Mathematics
2 answers:
Arturiano [62]3 years ago
7 0
Because if not, different people would get different answers. If the expression is evaluated without using the order of operations, the answer won’t be the same. I hope this helps!
deff fn [24]3 years ago
4 0
As an example, let’s say we had 3+4x2
Without PEMDAS, we would add 3 and 4, then multiply by 2, getting 14 (the wrong answer).
With PEMDAS, we would multiply 4 and 2, then add 3, getting 11 (the correct answer!).
So if you don’t use PEMDAS, you’ll just get a different answer than you should’ve. Hope that helped!
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After reading a book foe English class, 100 students were asked whether or not they enjoyed it. Nine twenty-fifths of the class
Katena32 [7]

Answer:

The number of students who liked the book was 64.

Step-by-step explanation:

After reading a book for English class, 100 students were asked whether or not they enjoyed it.

Now, given that nine twenty-fifths of the class did not like the book.

So, \frac{9}{25} of the whole class did not like the book.

Then, the fraction of the class who did like the book was (1 - \frac{9}{25}) = \frac{16}{25}.

Therefore, the number of students who liked the book was (100 \times \frac{16}{25}) = 64. (Answer)

7 0
3 years ago
What is the value of x in the equation 2x+3y=36y when y=6?
jonny [76]

Answer:

y = 6 so

2x + 3y = 36y is equal to:

2x + 3*6 = 36*6

-> 2x + 18 = 216

We must now move 18 to the other side of the equation. As we do that, we also change it's sign to negative 18:

2x = 216 - 18

We simplify this

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Now, that we got to this point, we know that 2x is equal to 198. To find x we must divide the both sides of the equation by two:

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And we get that

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Step-by-step explanation:

7 0
2 years ago
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