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olga_2 [115]
3 years ago
9

Sheyla goes shopping at the bookstore. She buys 2 DVDs for $8.25 each. Sheyla also buys two books at $5.00 each. How much change

will Sheyla get if she gives the clerk two $20 bills?
Mathematics
1 answer:
Olenka [21]3 years ago
3 0
$8.25x2=$16.50
$5x2=$10
$10+$16.50=$26.50
2x$20=$40
$40-$26.50=$13.50
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First five common multiples of 7and 20
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Of is directly proportional toy and x = 45 when
kompoz [17]

Answer:

if x=ky, where k is constant.

value of x

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x=ky

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x=80

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Solve the problem x/27=4/9 x=
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Answer: x=12

Step-by-step explanation:

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x=\frac{4}{9} *27\\\\x=\frac{4*27}{9} \\\\x=\frac{108}{9} \\\\x=12

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7 0
4 years ago
For the circle x^2 + y^2 = 100, a) State the radius at 6,8
alexandr1967 [171]

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8 0
3 years ago
Read 2 more answers
7. The manager of the soda shop decides that because you are a good customer, you may use a flavor as many times as you’d like.
Black_prince [1.1K]

The different possible mixtures can you make is 1716 .

<u>Step-by-step explanation:</u>

Given that,

  • The total number of flavors available in the shop = 13 flavors
  • The number of flavors you need to choose = 6 flavors

Here, we have to use  the formula for combination,

nCr = n! / r! × (n-r) !

where,

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  • r is the number of flavors you need to choose

⇒ 13C6 = 13 ! / 6! × (13-6)!

⇒ 13! / (6! × 7! )

⇒ 13 × 12 × 11 × 10 × 9 × 8 × 7! / (6! × 7! )

⇒ 13 × 12 × 11 × 10 × 9 × 8 / 6!

⇒ 13 × 12 × 11 × 10 × 9 × 8 / 6 × 5 × 4 × 3 × 2 × 1

⇒ 1716

Therefore, you can 1716 different possible mixtures.

3 0
3 years ago
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