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AVprozaik [17]
3 years ago
15

Which number produces a rational number when multiplied by 0.25?

Mathematics
2 answers:
storchak [24]3 years ago
5 0
0.45 * 0.25 = 0.1125

ur answer is : 0.45
** a rational number times a rational number = a rational number
Arlecino [84]3 years ago
4 0
D is the correct answer.

0.25 is rational because it can be represented as a ratio of integers (1/4).

0.45 is rational because it can also be represented as a ratio of integers (9/20).

When you multiply rational numbers, you always end up with a rational number.

0.25*0.45=0.1125 or 1125/10000
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Add. Express your answer as a fraction. Do not include spaces in your answer. <br><br>5 1/4 + 15.5​
exis [7]

Answer:

20 3/4

Step-by-step explanation:

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3 years ago
A salesperson at a car dealership has a base salary of $25,000 per year and earns 5% commission on total sales.
Effectus [21]

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5% is like saying 5/100. So $25,000 x 100/5 = $500,000

Or, to go from 5% to 100% you multiply by 20. Therefore your answer is $25,000 x 20= $500,000

8 0
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x-\ Karen's\ age\\\\&#10;y-\ Suzanne's\ age\\\\&#10; \left \{ {{x=y+7} \atop {x-4=2(y-4)}} \right.\\\\ \left \{ {{x=y+7} \atop {x-4=2y-8}} \right.\\\\ \left \{ {{x=y+7} \atop {x=2y-4}} \right.\\\\y+7=2y-4\ \ \ | subtract\ 2y\\\\&#10;-y+7=-4\ \ \ | subtract\ 7\\\\&#10;-y=-11\ \ \ | multiply\ by\ -1\\\\&#10;y=11\\\\&#10;x=11+7=18\\\\&#10;Now\ Karen\ is\ 18\ years\ old \ and\ Suzanne\ is\ 11\ years\ old.&#10;
7 0
3 years ago
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