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shepuryov [24]
3 years ago
15

The denominator of a rational number is greater than its numerator by 5. If 5 is subtracted from the numerator and 4 is added to

its denominator, the new number is ⅛ . Find the rational number.
Mathematics
1 answer:
nasty-shy [4]3 years ago
4 0

Answer:

7/12.

Step-by-step explanation:

=x/x+5.

x-5/x+5+4=⅛

x-5/x+9=⅛

x-5=⅛(x+9)

x-5=⅛x+1⅛

x-⅛x=1⅛+5

⅞x=49/8

7x=49

x=7

thus the initial fraction is x/x+5= <u>7</u><u>/</u><u>1</u><u>2</u>

A rational number is a fraction

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A blazer cost $38 and you pay $39.90. how much is the sales tax rate
geniusboy [140]
To find the percentage, you divide the new price ($39.90) by the original price ($38), and the multiply it by 100 to change the answer from a decimal to a percentage:

39.90 / 38 x 100 = 105

So 39.90 is 105% of 38

To get our final answer, subtract this by 100%

105 - 100 = 5%

ANSWER: So the percentage increase of the price is 5%  ($1.90)

5 0
2 years ago
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4 0
3 years ago
Malia did push-ups and pull-ups in her physical education class. She did 24 push-ups and pull-ups combined, with each push-up ta
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Answer:

12 pull

As 48 seconds + 20 seconds push = 68 seconds

Step-by-step explanation:

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We then find a divider of 68 and know that

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6 0
3 years ago
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A) Write down the mathematical name of this shape.
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2 years ago
How do I solve for x? (the picture has the problem)
max2010maxim [7]

Answer:

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