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11111nata11111 [884]
3 years ago
12

120 books decreased by 55%

Mathematics
1 answer:
goldenfox [79]3 years ago
6 0

<em>*It's debatable that there are 2 answers to this question because of how it's worded*</em>

For the first answer:

There would be 66 books left.

To get this, you need to multiply the original amount (120) by the decimal form of the percentage.

So, to get the decimal form you need to divide by 100, which essentially means you move the decimal 2 places to the left.

55% then becomes .55

So, 120 * .55 = 66

For the second answer:

If the question means that you need to decrease 120 by 55% <em>of 120 </em>then the answer would be 54.

120 - 66 = 54

So, depending on the answer choices and how it's interpreted, do what you will with this information.

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posledela

(7,5)

Step-by-step explanation:

Let (12,5) = (x1,y1) and (2,5) = (x2,y2)

By using Midpoint formula,

(\frac{x1 + x2}{2} ) \:  \:  (\frac{y1 +y2 }{2})

( \frac{12 + 2}{2}) \:  \:  \:  (\frac{5 + 5}{2} )

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2 years ago
Alaina has $28 in her account.She wants to purchase a pair of shoes that costs $45.If Alaina makes the purchase,which integer wi
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3 years ago
How is 0.136¯¯¯¯ written as a fraction in simplest form?
drek231 [11]

Answer:

\frac{3}{22}

Step-by-step explanation:

the bar above 36 means that the digits 36 are being repeated

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let x = 0.13636.. ( multiply both sides by 10 and 1000 )

10x = 1.3636... (1)

1000x = 136.3636... (2)

subtract (1) from (2) thus eliminating the repeating digits

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x = \frac{135}{990} = \frac{3}{22} ← in simplest form

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