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2 years ago

Select all of the rational numbers. (there can be more than one)

Mathematics

2 answers:

nadya68 [22]2 years ago

7 0

Answer:

Rational numbers:

3^-1
pi
6.66... (The one that has a line above it)

An irrational number has endless non-repeating digits to the right of the decimal point.

kap26 [50]2 years ago

7 0

Answer:

3^-1, square root of 9, -0.25, and 0.6

Step-by-step explanation:

Rational numbers are numbers that you can turn into fractions.

3^-1 = 0.3333333333... which is also known as 1/3

square root of 9 = 3, which can be written as 3/1

-0.25 can be written as -1/4

0.66666666... = 2/3

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Rob peeled 125 oranges in 5 hours. At that rate, how many oranges<br> would he peel in 12 minutes?

marin [14]

Answer:

$\boxed {\tt 5 \ oranges}$

Step-by-step explanation:

Let's set up a proportion.

$\frac{oranges}{minutes} =\frac{oranges}{minutes}$

He can peel 125 oranges in 5 hours. First, let's find the minutes in 5 hours.

There are 60 minutes in 1 hour, so multiply 60 and 5 (60*5=300). There are 300 minutes in 5 hours.

$\frac{125 \ oranges}{300 \ minutes}=\frac{oranges}{minutes}$

We don't know how many oranges he can peel in 12 minutes. So we say he can peel x oranges in 12 minutes.

$\frac{125 \ oranges}{300 \ minutes}=\frac{x \ oranges}{12 \ minutes}$

$\frac{125 \ }{300 \ }=\frac{x \ }{12 }$

Solve for x by isolating it. x is being divided by 12. The inverse of division is multiplication. Multiply both sides of the proportion by 12.

$12*\frac{125 \ }{300 \ }=\frac{x \ }{12 \ }*12$

$12*\frac{125 \ }{300 \ }=x$

$12*0.416666667=x$

$5=x$

Rob can peel 5 oranges in 12 minutes.

6 0

3 years ago

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What is the ratio of 7/8

ch4aika [34]

Answer:

86.5%

Step-by-step explanation:

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2 years ago

Determine the correct equation for the following verbal sentence: The total distance traveled, d, at a constant speed of 45 mile

lidiya [134]

D=45h
It looks like that is option B

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3 years ago

What fraction has a decimal value between 1/2 and 3/4

andreyandreev [35.5K]

To find the decimal value, we must convert 1/2 and 3/4 into decimal.
1/2=0.5
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Now we just have choose a random decimal in between the decimal.
Let's choose 0.6
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0.6×100=60
Then we make the 60 into a fractions. 60/100
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There you go. You have your answer.

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3 years ago

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