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melamori03 [73]
4 years ago
12

GUYS I REALLY NEED HELP!! THE STRUGGLE!!

Mathematics
2 answers:
Mazyrski [523]4 years ago
6 0

Answer:

Last option is the correct answer.

Step-by-step explanation:

Total number of movies = 9+7+4=20

The total number of combinations of choosing 3 movies from total 20 is represented by  20C3. Then there are 9 action movies and we're choosing 3, the number of combinations will be 9C3,

Now, the probability of choosing all action movies will be:

\frac{9C3}{20C3}

As we know that probability of something which is not happening is given as : 1 - probability of something happening, so the probability of not choosing all action movies is given by: 1-\frac{9C3}{20C3}

Hence, option D or last option is the right one.

AlekseyPX4 years ago
3 0

Answer:

The Answer Is D

Step-by-step explanation:

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There are 15 marbles in a bag. Three marbles are red, two marbles are blue, four marbles are green, and six marbles are yellow.
Vesnalui [34]

Answer:

6/15 is probability

Step-by-step explanation:

Three marbles are red

two marbles are blue

four marbles are green

six marbles are yellow

total 15

blue marbles plus green is 6

6/15

6 0
4 years ago
A warehouse contains 55 boxes. Then a truck delivers a number of boxes at 12:00 p.m. and the team begins to unload them immediat
ollegr [7]

Answer:

154 boxes

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The village basket shop has two types of basket available.One type holds 2 meals and one holds 4 meals.There are 25 basket in th
Mrrafil [7]

Using a system of equations, it is found that there are 10 baskets that hold 4 meals in the shop.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

In this problem, the variables are given by:

  • Variable x: Number of baskets that hold 2 meals.
  • Variable y: Number of baskets that hold 4 meals.

There are 25 baskets in the shop, hence:

x + y = 25 -> x = 25 - y

They can hold a total of 70 meals, hence:

2x + 4y = 70

2(25 - y) + 4y = 70

2y = 20

y = 10

There are 10 baskets that hold 4 meals in the shop.

More can be learned about a system of equations at brainly.com/question/24342899

#SPJ1

4 0
3 years ago
Which statements represent the relationship between y=2^x and y=log2 x?
laila [671]
Y = 2^x and y = log₂x

Exponents and logs (to the same base = 2) are inverses of each other.
All inverse functions are symmetric about line y = x

y = log₂x is NOT the logarithmic form of y = 2^x
The logarithmic form of y = 2^x is x = log₂y (NOT y = log₂x)

Answer: A, C
3 0
3 years ago
The size of a jar of coffee is increased by one 1/5. The new size is later reduced by 1/5
OlgaM077 [116]

Answer:

The new jar would be smaller than the original.

Step-by-step explanation:

First you would have to find one 1/5 of the original size. This gives you the increased size.

Then, you'd find 1/5 of the new size and subtract it from the increased size of the jar.

1/5 of the increased size is larger than 1/5 of the original size, so no matter what number it is, you'll always end up with a smaller-sized jar of coffee at the end.

6 0
3 years ago
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