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stellarik [79]
3 years ago
7

Phil has 19 other students in his math class. During class one day, the teacher asks for a volunteer to come up to the board. If

no one volunteered, one would be chosen randomly. If everyone was in the class that day, and the teacher did pick someone at random, what is the probability that the teacher will choose Phil.
Select one:

1/19

19/20

20/1

1/20
Mathematics
2 answers:
Stolb23 [73]3 years ago
7 0

Answer:

1/20

Step-by-step explanation:

if you do all kids there is 20. you have a 1 out of 20 people change so plz give brainest answer

Yuliya22 [10]3 years ago
3 0

Answer:

1/19

Since there are 19 students in the class, and this is a question of Phil.

Since there is only 1 Phil, it will be 1/19.

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Determine whether the sequence is geometric. If so, find the common ratio. 3.0, 6.0, 12.0, 24.0
Luba_88 [7]

Answer:

The sequence <u>is</u> geometric and the common ratio is 2

Step-by-step explanation:

A sequence is geometric if each term  (after the first one) is equal to the term before it times some constant number, called the 'common ratio'.

Examples:  1, 2, 4, 8, 16, ... has a common ratio of 2 because 2*2 = 4, and 4*2 = 8, and so on.

                 Also, -->  4, 2, 1, 1/2, 1/4/ 1/8, ... has a common ratio of 1/2 because

4 * 1/2 =  the next term 2, and 2 * 1/2 = the next trem 1/4, and son on.

In this case, 3 * 2 = 6

                    6 * 2 = 12

                    12 * 2 = 24

The sequence <u>is</u> geometric and the common ratio is 2

6 0
2 years ago
A fair six-sided die is tossed. After it lands, the bottom face cannot be seen. What is the probability that the product of the
user100 [1]

Answer:

5/6

Step-by-step explanation:

Only 5 is not divisible by 12

5 0
3 years ago
What is the first term and explicit rule for the following geometric sequence? 3. 15,75,375, 1,875​
VARVARA [1.3K]

First term: 3

Exiplicit formula:

3/5*5^n or 3x5^n-1

Hope this helps!

7 0
3 years ago
I need help quick please
dsp73
96 ! If you get x on one side and the # on the other you get x=96
4 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B%281-x%5E%7B2%7D%29%5E%7B%5Cfrac%7B1%7D%7B2%7D%7D%20-x%5E%7B2%7D%20%281-x%5E%7B2%7D%
3241004551 [841]

Step-by-step explanation:

Hi, Hope this will help:)

6 0
3 years ago
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