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3 years ago

What is 13/31 as a percentage? Give your answer rounded to one decimal place.

Mathematics

2 answers:

Novay_Z [31]3 years ago

5 0

Answer:.

0.419%

0.4

Step-by-step explanation:

Feliz [49]3 years ago

3 0

Answer:

$0.419\%$

Step-by-step explanation:

$\frac{13}{31} \times 100\% = 0.419\%$

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A car can travel 3/4 of a mile in 1/30 of an hour. What is the car’s speed in miles per hour?

IceJOKER [234]

Answer:

3.0 Miles per hour

Step-by-step explanation:

https://www.countcalculate.com/cars-and-speed/average-speed/result?r=jfqffaktat

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3 years ago

A truck is carrying 513 pounds. There are 27 boxes of chocolate in the truck. About how much does each box weigh?

Volgvan

Answer:

Step-by-step explanation:

To solve this, we must divide: 513/27= 19

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2 years ago

Find the ratio a:c if <br>a:b = 1:2, b:d = 4:5, d:c = 3:1<br>

Makovka662 [10]

Answer:

a : c = 6 : 5

Step-by-step explanation:

Expressing the ratios in fractional form, then

$\frac{a}{c}$ = $\frac{a}{b}$ × $\frac{b}{d}$ × $\frac{d}{c}$ = $\frac{1}{2}$ × $\frac{4}{5}$ × $\frac{3}{1}$ = $\frac{12}{10}$ = $\frac{6}{5}$

Thus a : c = 6 : 5

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3 years ago

For what values of a are the following expressions true?/a+5/=-5-a

katovenus [111]

Explanation:

The expression is given below as

$|a+5|=-5-a$

Concept:

We will apply the bsolute rule below

$\begin{gathered} if|u|=a,a>0 \\ then,u=a,u=-a \end{gathered}$

By applying the concept, we will have

$\begin{gathered} \lvert a+5\rvert=-5-a \\ a+5=-5-a,a+5=5+a \\ a+a=-5-5,a-a=5-5 \\ 2a=-10,0=0 \\ \frac{2a}{2}=\frac{-10}{2},0=0 \\ a=-5,0=0 \end{gathered}$

Hence,

The final answer is

$a\leq-5$

5 0

11 months ago

Mary has three baking pans. Each pan is 8" × 8" × 3". Which expression will give her the total volume of the pans?

klio [65]

The volume of one pan is 192 units cubed. The volume of the three pans is 576 units cubed.

7 0

3 years ago