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3 years ago

9

How do you do percent

2 answers:

Veronika [31]3 years ago

7 0

Take the decimal and multiply it by 100.

Lynna [10]3 years ago

6 0

Divide the numerator (top number) by the denominator (bottom number) of a fraction.
For example:

1/2= 0.50= 50%

If this isn't what you are looking for just reply and I can help :)

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A customer gives you a $100 bill for a purchase that totals $22.75. What is the best money combination to give the $77.25 to the

Alinara [238K]

3, 20 bills 60 dollars add 1, 10 bill to get to 70 dollars add 1, 5 bill you get 75 dollars add 2,1 bills to get 77 dollars finaly 1 quarter to get 77 dollars and 25 cents

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2 years ago

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If the perimeter of the following triangle is 7x-2, what is the length of the unknown side?

Alinara [238K]

7x-2-(3x-9)-(x+7)

=7x-2-3x+9-x-7

=7x-3x-x-2+9-7

=3x

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2 years ago

Scott is on his school's academic team. On average, it takes Scott 4 minutes, with a standard deviation of 0.25 minutes, to solv

uysha [10]

Answer:

15.87% is the chance that Scott takes more than 4.25 minutes to solve a problem at an academic bowl.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 4 minutes

Standard Deviation, σ = 0.25 minutes

We standardize the given data.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P(more than 4.25 minutes to solve a problem)

$P( x > 4.25) = P( z > \displaystyle\frac{4.25 - 4}{0.25}) = P(z > 1)$

$= 1 - P(z \leq 1)$

Calculation the value from standard normal z table, we have,

$P(x > 4.25) = 1 - 0.8413 = 0.1587 = 15.87\%$

Thus,15.87% is the chance that Scott takes more than 4.25 minutes to solve a problem at an academic bowl.

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2 years ago

An item is regularly priced at $94. It is now priced at a discount of 30% off the regular price.

Vedmedyk [2.9K]

30% off an item would make that item valued at 70% of its original price

94 times 0.7 = 65.8

$65.80

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2 years ago

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2 years ago