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Alex
3 years ago
6

Solve the equation for the variable.

Mathematics
1 answer:
Flura [38]3 years ago
3 0
1/4x -2 = -6 + 5/12x
3x - 24 = -72 +5x
3x -5x = -72 +24
-2x = -48
x = 24
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Suppose we want to choose 5 objects, without replacement, from 13 distinct objects. (a) How many ways can this be done, if the o
Arisa [49]

Answer:

A. 1, 287 ways

B. 154,440 ways

Step-by-step explanation:

A. We want to choose 5 objects from a total 13, without considering the order in which they are chosen.

The correct way to do this is by using the combination formula since order is not considered;

Thus we have ; 13 C 5 read as 13 combination 5;

Mathematically, n C r is ; n!/(n-r)!r!

Thus, we have ;

13!/(13-8)!8! = 13!/5!8! = 1,287 ways

B. By considering order, we shall be using the permutation formula;

Mathematically n P r = n!/(n-r)!

Read as n permutation r;

Using the numbers involved, we have ; 13 P 5

= 13!/(13-5)! = 13!/8! = 154,440 ways

8 0
3 years ago
How can you isolate the variable in this inequality?
Ierofanga [76]

Answer:

C- Divide both sides by 3.

Step-by-step explanation:

In order to isolate the variable, we will have to remove all non-1 coefficients from the variable. Since 3b can be written as 3(b), b is being multiplied by 3. So the only way to isolate the variable is to do inverse operations, which would be to divide both sides of the inequality by 3.

Hope this helped!

3 0
3 years ago
Read 2 more answers
Consider f(x) = -(x+7)^2 +4. check all that apply
kirill [66]

-the equation is a quadratic

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-the graph has a relative maximum

5 0
3 years ago
Plz help me I reaallllly neeed it plz Thank you I need to finish it Today
jek_recluse [69]
Picture please because I can’t help without a picture or something
6 0
3 years ago
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sorry, i could not put in the or equal to signs
                       
4 0
3 years ago
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