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Yanka [14]
3 years ago
8

Kristian ordered 3 DVDS by mail each dvd cost the same amount with a $6 shipping charge the total cost was $42 how much did each

dvd cost?
Mathematics
1 answer:
Natasha2012 [34]3 years ago
7 0

Answer:

$12

Step-by-step explanation:

42 - 6 = 36

36/3

12

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A deck of ordinary cards is shuffled and 13 cards are dealt. What is the probability that the last card dealt is an ace?
alexandr1967 [171]

Answer:

The probability that the last card dealt is an ace is \frac{1}{13}.

Step-by-step explanation:

Given : A deck of ordinary cards is shuffled and 13 cards are dealt.

To find : What is the probability that the last card dealt is an ace?

Solution :

There are total 52 cards.

The total arrangement of cards is 52!.

There is 4 ace cards in total.

Arrangement for containing ace as the 13th card is 4\times 51!.

The probability that the last card dealt is an ace is

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P=\frac{4}{52}

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Therefore, the probability that the last card dealt is an ace is \frac{1}{13}.

4 0
3 years ago
At the movie theatre, child admission is $5.60 and adult admission is $9.50. On Saturday, four times as many adult tickets as ch
romanna [79]

Answer:

-6.20x-6.20y=-948.6

add this to equation 2

6.20x-6.20x +9.30y-6.20y=1125.30-948.60

3.10y= 176.70

/3.10

y=176.70/3.10

y = 57 number of adult tickets

153-57=96 child tickets

Step-by-step explanation:

child admission is $6.20 : x numbers

adult admission is $9.30 : y numbers

153 tickets were sold  

sales of $1125.30 .  

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3 years ago
I WILL GIVE BRAINLIEST
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Step-by-step explanation:

9/8 × (-7/3) =

9 × -7 = -63

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-21/8

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3 years ago
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