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Natalka [10]
3 years ago
15

Let a be the event that the student takes statistics and b be the event tha the student is a senior. What is p(a or b)

Mathematics
1 answer:
IrinaK [193]3 years ago
8 0

Answer: P(a) + P(b) - P(a and b)

Step-by-step explanation:

Use set diagrams to show answer.

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The sides of a polygon are 3, 5, 4, and 6. The shortest side of a similar polygon is 9. Find the ratio of their perimeters.
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Step-by-step explanation:


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C

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Sergeeva-Olga [200]

Answer:

46

Step-by-step explanation:

Since B is the midpoint of AC, the segments AB and BC must have equal length. This means that x + 13 = 2x + 3. Solving this, we see that x = 10. By substituting 10 for x, we see that the length of AB is 23, so the length of AC is 2*23, which is 46.

5 0
3 years ago
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what is the mean round to the nearest tenth if needed value 1 2 3 4 5 frequency 7 1 3 2 2 please help?
Blizzard [7]

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6 0
4 years ago
188 is 150% of what number?
Aleksandr-060686 [28]
1 Answer


Don't Memorise
Feb 16, 2016
The number
=
125.33
Explanation:
Let the number be denoted as
x
:
As per the question:
188
=
150
%
×
(
x
)
188
=
150
100
×
(
x
)
188
×
(
100
150
)
=
x
125.33
=
x
6 0
3 years ago
Read 2 more answers
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