3 years ago

What operations are evaluated first

Mathematics

2 answers:

Anestetic [448]3 years ago

6 0

PEMDAS = parentheses, exponents, multiplication, division, addition, subtraction

jok3333 [9.3K]3 years ago

5 0

You can remember by the acronym: PEMDAS which stands for parenthesis, exponents, multiply, divide, add, subtract
So you start with anything in parenthesis

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kondor19780726 [428]

The correct answers are:

1. -13

2. 9

3. -2

4. $C.\:\sqrt{8}$

5. A. Rational Numbers

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3 years ago

Struct quadrilaterals for measurements given belo

Ierofanga [76]

I’m just trynna get points

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3 years ago

The time, t, required to complete a job

tigry1 [53]

Answer:

19 hrs

Step-by-step explanation:

t varies inversely with number of people p

t = k/p

If it takes 7.125 hrs for 8 workers to do the job

K = tp

= 7. 125 x 8

= 57

How many hours will it take if there are 3 workers .

Recall t = k/p

t = 57/3

= 19 hrs

Therefore, It’ll take 19 hrs to Complete the job if there are only three workers.

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3 years ago

Enter your answer and show all the steps that you use to solve this problem.

valina [46]

You will save $9

Convert 20% to decimal

Each % is 0.01 so 20×0.01=0.2

Then multiply

45×0.2=9

6 0

3 years ago

Does 4n = -20. = -24

Arada [10]

To solve 4n you need to divide both sides by 4

8 0

3 years ago