2 years ago

What is the first step in evaluating the expression shown below?

Mathematics

1 answer:

ser-zykov [4K]2 years ago

8 0

The first step would be to A. Subtract 7.4 - 3.6.

You use the PEMDAS rule

Steps:

1. Parenthesis

2. Exponents

3. Multiplication

4. Division

5. Addition

6. Subtraction

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s2008m [1.1K]

That would be 30 minutes since 2 1/2 hours equals 150 minutes, a fifth of 150 is 30.

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2 years ago

1. 12 = x + 3 2. b+0.6= -1 3. a+(-4)= -13 4. x+27= -12 5. a+(-1.2)= -5.5

Archy [21]

1. 12=x+3 12-3=9 now try 9+3 that is 12 so x=9
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2 years ago

Read 2 more answers

The high school graduating class of 2010 was 260 people. Five years later the high school graduating class was 320 people. By ap

jeka94

Answer:

The high school graduating class changed by approximately 23%

Step-by-step explanation:

we have

The high school graduating class of 2010 was 260 people

Five years later the high school graduating class was 320 people.

we know that

260 people represent the 100%

The difference is (320-260)=60 people

using proportion

Find out what percentage represent 60 people

Let

x ----> the percentage that represent 60 people

$\frac{260}{100\%}=\frac{60}{x}\\\\x= 100\%(60)/260\\\\x=23.1\%$

therefore

The high school graduating class changed by approximately 23%

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2 years ago

There are 1/3 gallon of water in a 3-gallon container. What fraction of the container is filled?

ivanzaharov [21]

Answer:

1/9 of a container

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