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3 years ago

Three singers are chosen at random from a group of 5 Chinese, 4 Indians and 2 British singers.

Mathematics

1 answer:

slega [8]3 years ago

6 0

<h2>Answer:</h2><h3>14 ways.</h3>

Please see the attached picture for full solution..

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Ccompares 3.67（）36.7

GalinKa [24]

Answer:

36.7 > 3.67

Step-by-step explanation:

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3 years ago

Kareem is putting 8 books in a row on his bookshelf. He will put one of the books, Pride and Prejudice, in the first spot. He wi

loris [4]

Answer:

6 different ways? because theres only 6 books left to put on the shelf

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3 years ago

Consider the two lines l1:x=−2t,y=1+2t,z=3tl1:x=−2t,y=1+2t,z=3t and l2:x=−8+4s,y=0+5s,z=5+1sl2:x=−8+4s,y=0+5s,z=5+1s find the po

seraphim [82]

At the point of intersection, the coordinates are the same:

... (x, y, z) = (-2t, 1+2t, 3t) = (-8+4s, 5s, 5+s)

We only need two of the coordinates to solve for the values of s and t. Using the x- and y-coordinates, we have

... 4s + 2t = 8 . . . . . . x2 - x1 = 0, in standard form

... 5s -2t = 1 . . . . . . . y2 - y1 = 0, in standard form

Adding these equations gives 9s=9, so s=1. Substituting into either equation gives t=2.

Using the expression for l1 with t=2, the point of intersection is

... (-2·2, 1+2·2, 3·2) = (-4, 5, 6).

_____

We could have stopped after finding the value of s, because that defines the point. By finding the value of t, we can check the solution to make sure that l1 and l2 both give the same point for the respective values of s and t. (They do.)

8 0

4 years ago

Complete the work shown to answer the question.

blagie [28]

Answer:

Since 7 and 11 are both rational, the sum and difference are rational.

Step-by-step explanation: It's A

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3 years ago

2 sin theta – 3 sin theta cos theta=0.425

bekas [8.4K]

Mark brainliest please

Hope this helps you

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3 years ago