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beks73 [17]
3 years ago
13

The diameter of a circle is 4 units. What is the radius of the circle? units

Mathematics
1 answer:
shtirl [24]3 years ago
6 0

Answer:

2 units

Step-by-step explanation:

the radius is always half the diameter

d = 2r

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Ok so the lines with two triangles are parralel to eachother. The lines with one are parallel to eachother.

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Since 109°, 33° and y° form a triangle, the sum of the angles will equal 180. Add 109 and 33 to get 142. Subtract 142 from 180 to get y°=38°.

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4/5 equivalent fraction?
Grace [21]
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each of the 20 balls is tossed independently and at random into one of the 5 bins. let p be the probability that some bin ends u
amm1812

if p is the probability that some bin ends up with 3 balls and q is the probability that every bin ends up with 4 balls. pq is 16.

First, let us label the bins with 1,2,3,4,5.

Applying multinomial distribution with parameters  n=20  and  p1=p2=p3=p4=p5=15  we find that probability that bin1 ends up with 3, bin2 with 5 and bin3, bin4 and bin5 with 4 balls equals:

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But of course, there are more possibilities for the same division  (3,5,4,4,4)  and to get the probability that one of the bins contains 3, another 5, et cetera we must multiply with the number of quintuples that has one 3, one 5, and three 4's. This leads to the following:

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In a similar way we find:

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To learn more about Probability visit: brainly.com/question/29508225

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