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Alborosie
3 years ago
15

Three coins are tossed in the air, one at a time. What is the probability that the third coin will be heads?

Mathematics
2 answers:
marishachu [46]3 years ago
8 0

Answer:

1/2

Step-by-step explanation:

We only care about the third coin

we could get heads or tails on the third flip

P (third coin will be heads) = outcome heads / total

                                            =1/2

lina2011 [118]3 years ago
8 0

Answer:

½

Step-by-step explanation:

Trials are independent

If the coin is unbiased,

P(T) = P(H) = ½ for every trial

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Points race! What is 4+4+7? Then add 1. Best answer gets brainliest, which rewards the whole 40 points.
UNO [17]

Answer:

16

Step-by-step explanation:

4+4+7. Based on PEMDAS, this contain only addition, so go from left to right

4+4 = 8. Continue +7

8+7= 15. Then add 1.

15+1= 16.

4 0
3 years ago
What is a quartic function with only two real zeros at x = 7 and x = 13
Fittoniya [83]

Zeros be a and b

  • a=7
  • b=13

Function

\\ \sf\longmapsto y=x^2-(a+b)x+ab

\\ \sf\longmapsto y=x^2-(7+13)x+(7)(13)

\\ \sf\longmapsto y=x^2-20x+91

Option B

3 0
3 years ago
If u do 3 I’ll mark Brainlynest u don’t have to do 3 it depends but also 14 points
Helen [10]

Answer:

Step-by-step explanation:

A(-5,-2),B(-2,-2), C(-5,2)

find distance first:d=√(x2-x1)^2+(y^2-y1^2)

AB: 3

BC: 5

AC: 4

perimeter of triangle=3+5+4=12

compliment angle=90

90+34=124

5x+17+x+19=180

x=24

4 0
4 years ago
(plz help with all steps)!!!!
Trava [24]

Answer:

I am sorry but if this is wrong but i think it is either 21,because it is divisible by 3 and 12 / 3 = 4 which is a denominator

Step-by-step explanation:

21 because it is divisible by 3 and 12 / 3 = 4 which is a denominator.

6 0
3 years ago
Read 2 more answers
What is the answer?<br> Thanks if you know it!
alukav5142 [94]
The answer would be 3

g(a)=3^3a-2 and find g(1)

3^3(1)-2

equal: 3
6 0
3 years ago
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