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melomori [17]
3 years ago
8

A group of eight grade 11 and five grade 12 students wish to be on the senior prom committee. The committee will consist of thre

e students. What is the probability that only grade 12 students will be elected, assuming that all students have an equal chance of being elected?
Mathematics
1 answer:
BaLLatris [955]3 years ago
7 0
5/13*4/12*3/11=5/143 I believe
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Explain why the negation of “Some students in my class use e-mail” is not “Some students in my class do not use e-mail”.
Olenka [21]

Answer with Step-by-step explanation:

Since we have given that

Some students in my class use e-mail.

It is a type of 'E' statements.

Its negation should be No students in my class use e-mail.

Because if we use "Some students in my class do not use e-mail”.

It also implies some students in my class still use e-mail.

But negation contains only opposite of given statement.

So, Some students in my class do not use e-mail” is not true.

6 0
3 years ago
On a game show, you get to throw a dart at a circle of radius 50 inches. If you miss, you get to throw again until you hit the c
ratelena [41]
There is a Math website that has a lot of Calculus story problems. He shows you how to solve problems.
patrickjmt.com
also on Youtube;
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5 0
3 years ago
Find the value of 7 Y if 3 bracket Y - 1 bracket is equal 21​
lawyer [7]

Answer:

7y = 56

Step-by-step explanation:

3(y - 1) = 21

Divide 3 on both sides:

y - 1 = 7

Add 1 to both sides:

y = 8

Multiply by 7 on both sides:

7y = 56

8 0
3 years ago
Toney tossed a coin off a bridge. The path of the coin's height can modeled by the equation below. h(t) = − 16 t^2 + 40 t + 20 W
Snowcat [4.5K]

Answer:80

Step-by-step explanation:

6 0
3 years ago
HELP PLEASE!!! THANKS!!
Sergeeva-Olga [200]

Answer:

C. 8x - 3y = 5

Step-by-step explanation:

7 - 3(x - y) = 5x + 2

Standard form: Ax + By = C

7 -3x + 3y = 5x + 2

7 -8x + 3y = 2

-8x + 3y = -5

Divide by -1 to each number

8x - 3y = 5

7 0
3 years ago
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