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rusak2 [61]
3 years ago
12

Davon is picking out some movies to rent, and he has narrowed down his selections to 4 children's movies, 3 documentaries, 6 com

edies, and 5 mysteries. How many different combinations of 9 movies can he rent if he wants all 6 comedies?
Mathematics
1 answer:
earnstyle [38]3 years ago
8 0

Answer:

220

Step-by-step explanation:

There are 6 comedies and 12 non-comedies.  He wants all 6 of the comedies, and 3 of the non-comedies.

The number of ways he can choose 6 comedies from 6 is ₆C₆ = 1.

The number of ways he can choose 3 non-comedies from 12 is ₁₂C₃ = 220.

So the total number of combinations is 1 × 220 = 220.

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4/5 of a number is 32<br><br> Find the number.
nalin [4]

Answer: The number is 40

Step-by-step explanation:

We will set up an equation where 4/5 is being multiply by the number to get 32. we will represent that number  by x

4/5 * x = 32    solve for x

4/5x = 32  

0.8x = 32

 x = 40  

7 0
4 years ago
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A rectangle has an area 12cm². If the length of the rectangle is ( x + 1 )cm and the width is x cm, find the possible value(s) o
Komok [63]
X can be 3 because:
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I believe that is the only possible value for x.
Good luck to you!
5 0
3 years ago
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5. What is an equation of the line in slope-intercept form?
777dan777 [17]

Answer:

y = (2/7)x -12

Step-by-step explanation:

y = mx + b is the standard form of an equation of a straight line in which m is the slope and b is the y-intercept (the value of y when x is zero)..

<u>m</u>=(2/7) and <u>b</u> = -12

y =   <u>m</u>x  + <u>b</u>

y = (<u>2/7</u>)x <u>-12</u>

8 0
3 years ago
What is the answer to the problem
Tanya [424]

Answer:

a - 8

b - 20

c - 40

answer - 40% of 20 is 8

Step-by-step explanation:

20 x .4 = 8

.4 is found by the 40 / 100

8 0
3 years ago
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11111nata11111 [884]

Answer:

6 and 11

Step-by-step explanation:

n1 = n + 5

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3 0
2 years ago
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