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2 years ago

8

A package of 50 blank CDs costs $25 however the store has run out of 50-packages. the manager agrees to sell your packages of 12

at the same unit price. How much should a 12 package of CDs coats?

1 answer:

frosja888 [35]2 years ago

8 0

Answer:

$6

Step-by-step explanation:

$25 divided by 50 = 50 cents a CD

50 cents = 0.5

Now do,

$12 x 0.5 = $6

$6

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is picking out some movies to rent, and he has narrowed down his selections to 5 documentaries, 7 comedies, 4 mysteries, and 5 h

pogonyaev

Answer: 91

Step-by-step explanation:

Given : The number of documentaries = 5

The number of comedies = 7

The number of mysteries = 4

The number of horror films =5

The total number of movies other than comedy = 14

Now, the number of possible combinations of 9 movies can he rent if he wants all 7 comedies is given by :-

$^7C_7\times^{14}C_2\\\\\dfrac{7!}{7!(7-7)!}\times\dfrac{14!}{2!(14-2)!}\\\\=(1)\times\dfrac{14\times13}{2}\\\\=91$

Therefore, the number of possible combinations of 9 movies can he rent if he wants all 7 comedies is 91 .

5 0

3 years ago

Molly works at an electronics store. Her last customer purchased a DVD player for $67.65 and five DVDs for $57.93, including tax

ra1l [238]

67.65 + 57.93 = 125.58

200.00 - 125.58 = $74.42 change back

3 0

2 years ago

What is the area of this partial circle with a radius of 14 inch

AveGali [126]

Step-by-step explanation:

Since this circle is partial we will divide the area of the whole circle by 2

the area of a circle is expressed by $\pi r^2$ so insert 14 for the radius.

$14^2\pi$

$196\pi$

divide the area by 2

$98\pi=307.876$

Hope that helps :)

6 0

2 years ago

The temperature was -13 and then rose 9. What is the temperature now?

gulaghasi [49]

Answer:

-4

Step-by-step explanation:

bro thats 6th grade math lol and its SO easy just need to try

4 0

2 years ago

if alyssa plans to run 7/8 mile on a trail at one point she sees that she is at mile maker 0.3 How much farther does she have to

Sever21 [200]

Rewrite 7/8 as a decimal by dividing 7 by 8:

7/8 = 0.875

Now to find how much further she has to run subtract where is now from the total distance:

0.875 - 0.3 = 0.575

She needs to run 0.575 miles more

6 0

2 years ago