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Finger [1]
2 years ago
9

Which of the following numbers is rational?

Mathematics
1 answer:
anygoal [31]2 years ago
4 0

Answer:

4/5

Step-by-step explanation:

It's rational because it terminates

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Midpoint R(-4,6) and S(2,7)
shusha [124]

To find the midpoint, Add the two X coordinates together then divde by two and then to the same with the Y coordinates:


X = -4 + 2 = -2 / 2 = -1


Y = 6+7 = 13/2


Midpoint = (-1,13/2)



5 0
3 years ago
Read 2 more answers
In a popular tale of wizards and witches, a group of them finds themselves in a room with unmarked doors which change position,
SSSSS [86.1K]

Answer:

Expected number of hours before the the group exits the building = E[Number of hours] = 3.2 hours

Step-by-step explanation:

Expected value, E(X) is given as

E(X) = Σ xᵢpᵢ

xᵢ = each variable

pᵢ = probability of each variable

Let X represent the number of hours before exiting the building taking each door. Note that D = Door

D | X | P(X)

1 | 3.0 | 0.2

2 | 3.5 | 0.1

3 | 5.0 | 0.2

4 | 2.5 | 0.5

E(X) = (3×0.2) + (3.5×0.1) + (5×0.2) + (2.5×0.5) = 3.2 hours

Hope this Helps!!!

7 0
3 years ago
miss watson runs a distance of 200m in 25 seconds work out the average speed of miss watson in metres per second
Kobotan [32]

Answer:

8 meters per second

Step-by-step explanation:

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4 0
2 years ago
Find ,H assuming the triangles formed are similar.
Murljashka [212]

Answer:

15

Step-by-step explanation:

if you divide 20 by 8, then you get 2.5. multiply that by six, and you get your answer.

6 0
3 years ago
What happens to the value of the expression 3 y over <br> 2 y as y increases
vladimir1956 [14]
It starts becoming bigger :)
8 0
3 years ago
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