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Scilla [17]
3 years ago
15

Please help quickly ​

Mathematics
1 answer:
Nataly [62]3 years ago
6 0
A is the answer probably but not too sure
You might be interested in
In how many ways can we choose a 12 member jury from 30 possible people?
Pachacha [2.7K]
This is a problem dealing with permutations and combinations.
Order does not matter in this problem.
Since order doesn't matter, it is a combination.
Repetition matters, since you can't have the same person count as two people.

There are twelve slots.

_ _ _ _ _ _ _ _ _ _ _ _ 

Each slot needs to be multiplied by the next.

_*_*_*_*_*_*_*_*_*_*_*_

Now we have to fill in the slots.
Each slot will be filled with a number one less than the one before it. It has to be one less, since repetition matters.
The numbers will be decreasing from 30, since there are 30 possible people.

30 * 29 * 28 * 27 * 26 * 25 * 24 * 23 * 22 * 21 * 20 * 19

Multiply these numbers together and you get your answer.

41,430,393,164,160,000 ways
3 0
3 years ago
Is 1 1/2 greater than less than or equal to 16 in
BigorU [14]

Answer:

Less than

Step-by-step explanation:

3 0
3 years ago
Solve: VII multiplied by IX. Show your answer in standard form.
matrenka [14]
7*9
b. 63


v=5 i=1 
5+1+1= 7

x=10

10-1= 9

9*7= 63

8 0
3 years ago
I marked all 3 parts. I need to know part C (the shaded part). anybody mind helping?​
Mnenie [13.5K]

Answer:

Area of shaded part ABCEF = 66 sq.cm

Step-by-step explanation:

AB = 8cm

CD = 8cm

Let DE = x cm

CE = 3x cm

CD =  CE + DE = 8cm

        x + 3x = 8

4x = 8

x = 8/4 = 2 cm

DE = 2cm

CE = 3 * 2 = 6 cm

Area of triangle ADE = 1/2 * base * height

                                   = 1/2 * DE * AD

                                    = 1/2 * 2 * 11 = 11 sq. cm

Area of triangle AEF = Area of triangle ADE = 11 sq. cm

Area of Rectangle ABCD =  l * b = 8 * 11 = 88 sq.cm

Area of shaded part ABCEF =  Area of Rectangle ABCD - (Area of triangle AEF + Area of triangle ADE)

    = 88 - ( 11 + 11 )  = 88 -22 = 66 sq.cm

6 0
3 years ago
Find the nonpermissible replacement for y in<br> this expression.<br> y + 9<br> y+7
BigorU [14]

Answer:

idk

Step-by-step explanation:

3 0
3 years ago
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