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emmainna [20.7K]
3 years ago
15

What would happen if the order of operations did not exist?

Mathematics
2 answers:
Flauer [41]3 years ago
8 0
Calculating could be confusing and leading to an incorrect answer.
valina [46]3 years ago
3 0
If the order of operations didn't exist they way of multiplying, dividing, adding, and subtracting in equations would be totally different answers than everyone else like some people would get negative numbers and others wouldn't . Some people often get wrong answers because of the order of operations. For example, people think that it doesn't matter what way you put the parentheses but it actually does! An example of a math problem that people would get confused with is        3 x (56÷7) - 3              The answer is 21 
but always remember the order of operations is PEMDAS! :)
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B.


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3 years ago
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What is the value of x in the figure at the right?
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Answer:

b 12

Step-by-step explanation:

62=5x+2(opposite angle are equal)

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7 0
2 years ago
Which of the following sets of numbers between 12 and 20 contains only prime numbers
kotykmax [81]
There is nothing "following", so an accurate answer is:. There's no such set on the list of choices you provided.

The prime numbers between 12 and 20 are 13, 17, and 19.
3 0
4 years ago
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There is 2 and 3/4 punds of roast beef and 1 and 7/8 pounds of turkey and 2 1/16 pounds of salami if you must put 1/4 of pound o
rosijanka [135]
<span>2 and 3/4 punds of roast beef   2  3/4 =  (4x2) + 3 /4=  11/4 roast beef

</span><span>1 and 7/8 pounds of turkey     1  7/8 =  15/8 </span>turkey 

2 1/16 pounds of salami     2 1/16      33/16 <span>salami

</span><span>if you  put 1/4 of pound of meat 
</span>then 11/4 roast beef   divided by 1/4 = 11/4 x4 = 11 sandwiches roast beef 

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</span>
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8 0
3 years ago
One positive number is 9 more than twice another. If their product is 95, find the numbers.
mafiozo [28]

Answer:

The numbers are 19 and 5

Step-by-step explanation:

Given

Let the numbers be x\ and\ y.

So:

x = 9 + 2y --- First statement

x*y = 95 --- second statement

Required

Find x and y

Substitute x = 9 + 2y in x*y = 95

(9 + 2y) * y = 95

9y + 2y^2 = 95

Rewrite as:

2y^2 + 9y - 95 = 0

Expand

2y^2 -10y +19y- 95 = 0

Factorize

2y(y -5) +19(y- 5) = 0

(2y  +19)(y- 5) = 0

Solve for y

2y + 19 =0 or y - 5 = 0

2y = -19 or y = 5

y = -\frac{19}{2} or y=5

Since the numbers are positive, we take only:

y=5

Substitute y=5 in x = 9 + 2y

x = 9 + 2 * 5

x = 9 + 10

x = 19

<em>The numbers are 19 and 5</em>

5 0
3 years ago
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