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mel-nik [20]
3 years ago
11

5. What is the value of x? A)15 Square root 3 B)15/2 C)5 Square root 3 D)15 Square root 2/2

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
7 0

Answer:

5√3

Step-by-step explanation:

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Miriam is picking out some movies to rent, and she is primarily interested in comedies and foreign films. She has narrowed down
Keith_Richards [23]

Answer:

There are 795 combinations.

Step-by-step explanation:

The number of ways or combinations in which we can select k element from a group of n elements is given by:

nCk=\frac{n!}{k!(n-k)!}

So, if Miriam want to choose 3 movies with at least two comedies, she have two options: Choose 2 comedies and 1 foreign film or choose 3 comedies.

Then, the number of combinations for every case are:

1. Choose 2 Comedies from the 10 and choose 1 foreign film from 15. This is calculated as:

10C2*15C1=\frac{10!}{2!(10-8)!}*\frac{15}{1!(15-14)!}

10C2*15C1=675

2. Choose 3 Comedies from the 10. This is calculated as:

10C3=\frac{10!}{3!(10-3)!}=120

Therefore, there are 795 combinations and it is calculated as:

675 + 120 = 795

8 0
3 years ago
Given the equation −4x + 10 = 2, which order of operations completely solves for x?
hammer [34]
Hi there!

Answer:
The answer is "<span>Subtract 10, then divide by −4"

Explanation:
To solve a linear equation (for x) we need to isolate the variable (x). First we need to bring the variables to the left side (in this case, it is already on the correct place). Next up is bringing all the integers to the right side. Therefore, we must first subtract 10. Our final step is dividing by the number that is placed in front of x (in this case divide by </span><span>−4)
</span><span>
Solving the equation:
</span><span>−4x + 10 = 2
First subtract 10 (from both sides of the equation)

</span>−4x  = −8
Divide by −4

x = −8 / −4 = 2
Therefore, the solution is x = 2

I hope this anwer helps you!

4 0
2 years ago
684,658 round to the nearest hundred thousand
OverLord2011 [107]
700,000 is the answer I believe
8 0
3 years ago
Read 2 more answers
In the following questions, look at different ways to represent the relation given by the equation y = x2 - 1. The table below s
Nady [450]

Answer:

a= 3

b= 0

Step-by-step explanation:

4 0
2 years ago
A store manager receives a delivery of 2 boxes of light bulbs.Each box contains 25 lightbulbs.The store manager tests all the li
kolezko [41]

Answer:

Step-by-step explanation:

A delivery of 4 boxes will contain 2 more defective lightbulbs than a delivery of 2 boxes.

7 0
2 years ago
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