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solmaris [256]
3 years ago
7

Help plz i dont understand

Mathematics
1 answer:
max2010maxim [7]3 years ago
4 0

Answer:

The answer is 90;

Step-by-step explanation:

since each variable has a given value, just plug the numbers into the equation.

3(6)5=90

Since there is no <em>d </em>in the equation, don't worry about it:)

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Order the numbers 0.64, 2/3 , 65%, and 7/10 from least to greatest.
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loris [4]

It can be helpful to remember that "%" is just a shorthand way to write "/100" (divided by 100, or per 100, or per cent). ("Cent" is often used to refer to 100 or 1/100. A "cent" is 1/100 of a dollar, or 1/100 of an acre, for example. A <em>cent</em>ury is 100 years.)

Make the denominator of your fraction be 100. Multiply numerator and denominator by 20/20.

(2/5)×(20/20) = 40/100 = 40%

You can also get there via decimals.

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Or, you can multiply by 100%.

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7 0
2 years ago
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beks73 [17]
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Josh can paint a whole room in m hours while Kevin can paint a whole room in n hours. How many parts of the room can they paint
Leona [35]
<h3>Answer: (m+n)/(mn)</h3>

Work Shown:

Josh:

1 room = m hours

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Kevin:

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We see that the rates for Josh and Kevin are 1/m and 1/n respectively. This is the amount of a room they paint in one hour. Combine the fractions

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The expression (m+n)/(mn) represents how much of the room they get painted in 1 hour. This is if they work together and it assumes neither worker slows the other one down.

7 0
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