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Hoochie [10]
2 years ago
10

How to use oder of operations??

Mathematics
2 answers:
Ivahew [28]2 years ago
8 0
The Order of Operation can be remembered by PEMDAS

Parenthesis
Exponents
Multiplication and Division
Addition and Subtraction

and you follow it from left to right.
n200080 [17]2 years ago
3 0

Order of Operations is a very important math concept to understand. Order of Operations is a set of math rules that tell you which math operations like addition or multiplication to do first. If you always follow the rules that go along with Order of Operations, you will always get the same answer. They are 4 rules.

First: Parentheses and Brackets

Next: Exponents

Then: Multiplication and Division

Last: Addition and Subtraction

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ruslelena [56]
B = -4
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7 0
3 years ago
The conference will begin at 8:30 a.m. and will last 5 hours 45 minutes. What time will the conference be over?
Delicious77 [7]

Add the time to the start time:

8:30

1 hour: 9:30 am

2 hours: 10:30am

3 hours: 11:30am

4 hours: 12:30pm

5 hours: 1:30pm

Then 45 minutes makes the time 2:15pm

Answer: 2:15 pm

3 0
3 years ago
A triangle has sides 42, 4x, and 2x−6. What is the possible range of x? <br><br>? &lt; x &lt; ?
natulia [17]

Answer:

8\ units< x < 18\ units

Step-by-step explanation:

we know that

The <u>Triangle Inequality Theorem</u> states that the sum of any 2 sides of a triangle must be greater than the measure of the third side

so

Applying the Theorem

case 1) 42+4x > 2x-6

4x-2x > -6-42

2x > -48

x > -24\ units

case 2) 42+(2x-6) >4x

42-6 >4x-2x

36 >2x

18 >x -----> rewrite

x

case 3) 4x+(2x-6) > 42

4x+2x > 42+6

6x > 48

x > 8\ units

therefore

8\ units< x < 18\ units

7 0
3 years ago
Simplify the expression:<br> 8(-4 + 3) =
sashaice [31]

Answer:

- 8

Step-by-step explanation:

8( - 4 + 3)

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- 8

5 0
3 years ago
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There are two students Mark and John.
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Answer:

35% and 525

Step-by-step explanation:

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3 years ago
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