3 years ago

A pair of shoes was discounted 20% after the discount, the cost of the shoes is $100 what was the initial price

Mathematics

1 answer:

Lerok [7]3 years ago

8 0

It is $80 dollars I think

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3 quarters equals how many dimes

Veseljchak [2.6K]

1 quarter = 25 cents.

1 dime = 10 cents.

3 quarters = 3*25 = 75 cents.

10 cents = 1 dime.

75 cents = 75 / 10 dimes

= 7.5 dimes.

Therefore 3 quarters equal 7.5 dimes.

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2 years ago

My calculator wasn’t working for this I’m not sure how to solve it but help would be coolio

ziro4ka [17]

We know that:

$_nP_k = \dfrac{n!}{(n-k)!}$

so in this case $n = 5$ , $k=3$ and:

$_5P_3=\dfrac{5!}{(5-3)!}=\dfrac{5!}{2!}=\dfrac{5\cdot4\cdot3\cdot2\cdot1}{2\cdot1}=\dfrac{120}{2}=\boxed{60}$

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2 years ago

What is 5/6 + 3/8 in the simplest form

zlopas [31]

5/6 + 3/8

Convert to denominators of 24:

20/24 + 9/24

Add the numerators:

29/24

Convert to mixed number:

1 5/24

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3 years ago

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Jackson is playing a game of chance where he must randomly draw a marble out of a jar. He calculates the probability of drawing

madam [21]

Answer:

12/15

Step-by-step explanation:

If the probability of drawing a read marble is 3/15

Then that would just make the probability of NOT drawing a red marble 12/5

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2 years ago

Find two consecutive odd integers whose sum is 110

zhannawk [14.2K]

Answer:

99/11; 95/15

Step-by-step explanation:

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2 years ago