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3 years ago

5

How can a decimal be converted to a percentage?

2 answers:

Tju [1.3M]3 years ago

8 0

Simple...

let's say you have-->>

0.50 to convert this into a percentage you move the decimal 2 places over to the right-->>

50%

Let's say 0.2->>>

Move it over twice..

20%

As we can easily tell you multiply the decimal by 100

Thus, your answer, B.

Stells [14]3 years ago

3 0

B. multiply by 100 and you move the decimal two spaces to the right

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How many times can 42 go into 400?

ki77a [65]

400 divided by 42 = 9.523809

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2 years ago

Read 2 more answers

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dolphi86 [110]

Answer:

The correct option is 1.

Step-by-step explanation:

It is given than the area of the triangle ABC is 46cm².

Area of a triangle is

$A=\frac{1}{2}\times base\times height$

Base of the triangle is AB and height of the triangle is CD.

$A=\frac{1}{2}\times AB\times CD$

$A=\frac{1}{2}\times AB\times 8$

$A=4\times AB$

The area of the triangle is 46cm².

$46=4\times AB$

$AB=\frac{46}{4}$

$AB=11.5$

Therefore the length of side AB is 11.5 cm. Option 1 is correct.

4 0

3 years ago

Last week, Peter ran 3 1/5 laps around the lake. Isaac ran 1 1/4 times as many laps around the lake as Peter did. How many laps

vlabodo [156]

Answer:

4 laps

Step-by-step explanation:

$3 \frac{1}{5} * 1 \frac{1}{4} =$

$\frac{16}{5} * \frac{5}{4} = \frac{80}{20} =4$

Isaac ran 4 laps.

4 0

3 years ago

The population of a strain of bacteria doubles in a culture. At noon there were 80 bacteria present and by 4:00 PM there were 20

Nastasia [14]

Answer:

t = 1/2 hour

Step-by-step explanation:

20480 = 80 $x^{t }$

20480 = 80 $x^{4 }$

20480/80 = $x^{4 }$

256 = $x^{4 }$

x = 4

doubling period

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t = 1/2 hour

3 0

2 years ago

Use a property of equality to solve this equation:<br> 4.5x=18 <br> x=?

vesna_86 [32]

Answer:

$x = 4$

Step-by-step explanation:

$4.5x = 18 \\ \\ \frac{4.5}{4.5} x = \frac{18}{4.5} \\ \\ x = \frac{18}{4.5} \\ \\ x = \frac{180}{45} \\ \\ x = 4$

I hope I helped you^_^

8 0

2 years ago