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Reil [10]
3 years ago
10

X - 4y = 15 a = b= C=

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
3 0

Answer:

use something called tiger algerbra

Step-by-step explanation:

You might be interested in
1.How many combinations are possible from the letters HOLIDAY if the letters are taken?
Lesechka [4]

Using the combination formula, it is found that:

1. A. 7 combinations are possible.

B. 21 combinations are possible.

C. 1 combination is possible.

2. There are 245 ways to group them.

<h3>What is the combination formula?</h3>

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by:

C_{n,x} = \frac{n!}{x!(n-x)!}

Exercise 1, item a:

One letter from a set of 7, hence:

C_{7,1} = \frac{7!}{1!6!} = 7

7 combinations are possible.

Item b:

Two letters from a set of 7, hence:

C_{7,2} = \frac{7!}{2!5!} = 21

21 combinations are possible.

Item c:

7 letters from a set of 7, hence:

C_{7,7} = \frac{7!}{0!7!} = 1

1 combination is possible.

Question 2:

Three singers are taken from a set of 7, and four dances from a set of 10, hence:

T = C_{7,3}C_{10,4} = \frac{7!}{3!4!} \times \frac{10!}{4!6!} = 245

There are 245 ways to group them.

More can be learned about the combination formula at brainly.com/question/25821700

6 0
2 years ago
If you know how to solve this, Please answer it. Thank You
bulgar [2K]
The answer would be 10
6 0
2 years ago
Read 2 more answers
The table shows how much each fift grade room earned from a bake sale.The money is going to be given to 6 charities.If each Char
finlep [7]
I can't see the table, but you find the total amount that the entire fifth grade made and divide it by six. I would round it to the nearest hundredth.
6 0
3 years ago
Solve for the variable x - 9 = 11
Strike441 [17]

Answer:

20

Step-by-step explanation:

x - 9 = 11

+9         +9

x = 20

3 0
3 years ago
Read 2 more answers
I don't know how to do this
Pavlova-9 [17]
The sad thing is, I don't know either.
8 0
3 years ago
Read 2 more answers
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