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Makovka662 [10]
3 years ago
13

Find the value of 9!/(9-2)!. a. 72 b. 36 c. 504 d. 63

Mathematics
2 answers:
emmasim [6.3K]3 years ago
6 0

Answer:

a. 72

Step-by-step explanation:

Factorial (!) means take that number and multiply by all the numbers below it to 1

9! = 9*8*7*6*5*4*3*2*1

(9-2)! = 7! = 7*6*5*4*3*2*1

9*8*7*6*5*4*3*2*1

------------------------------

7*6*5*4*3*2*1

Canceling common factors

9*8

------------------------------

1

72

joja [24]3 years ago
3 0

Answer:

a. 72

Step-by-step explanation:

9!/(9-2)!

= 9 x 8 x 7! / 7!

= 9 x 8

= 72

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In the complex number system, which of the following is equal to
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Answer:

C) 122+154i

Step-by-step explanation:

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Therefore, C is correct. Recall that i^2=-1

3 0
2 years ago
Read 2 more answers
Laurie buys four bags of candy with 10 pieces of candy in each bag. Her father then gives her 5 more pieces of candy. Laurie wan
Alborosie
Your Question:
<span>Laurie buys four bags of candy with 10 pieces of candy in each bag. Her father then gives her 5 more pieces of candy. Laurie wants to give as much of her candy as she can to each of her six friends, and she wants to make sure they each get an equal number of pieces. How many pieces will be left over, if any, after Laurie gives her friends the candy?
My Answer:
If Laurie has four bags with ten pieces in each bag, and if her father gives her five more pieces,  she would have forty-five pieces and if she has six friends and wants to share it equally with six friends. Each friend would get 7 pieces.
My Work:
<span>45 ÷ 6 = 7.5 
</span>Hope I helped
♥ James.</span>
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3 years ago
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A motorcycle zoomed along the freeway, traveling 10 meters in
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The speed of the motorcycle will be 30 meters per second.

<h3>What is speed?</h3>

The distance covered by the particle or the body in an hour is called speed. It is a scalar quantity. It is the ratio of distance to time.

We know that the speed formula

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The speed of the motorcycle will be 30 meters per second.

More about the speed link is given below.

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Answer:

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4x + 16 - x= 22 + 6

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