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vlabodo [156]
3 years ago
5

The point (8, –15) is on the terminal side of an angle θ. What is sin θ ?

Mathematics
1 answer:
Ne4ueva [31]3 years ago
4 0
The correct answer is 1517
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Straight line depreciation. A car has an initial value of 29,564 and depreciates 532 a year . V represents value of car after t
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What is the vertical distance from the origin to the point (2,9)
Arte-miy333 [17]

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3 years ago
An isotope decays at a rate of -0.0049% per year. Find the half life. (show the work)
cricket20 [7]

Answer:

  14,146 years

Step-by-step explanation:

The annual multiplier is (1 -0.0049%) = 0.999951. We want to find the number of times this needs to be multiplied to make the product 1/2.

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7 0
3 years ago
Describe a similarity transformation that maps △ABC
PIT_PIT [208]

Let's start with a picture.

We see RST is smaller, and BC is parallel to but in the opposite direction to its corresponding segment ST.  Both have slope -1.

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C-B=(-2,2)

T-S=(1,-1)

Without further calculation we can see T-S is half the length of C-B.

The problem asks for a dilation followed by a reflection.   We know the dilation scale is k=1/2 because the new triangle is half the size.  

After dilation we get A'B'C':

A'(3,2), B'(-1,0), C'(-2,1)

We see now we need a reflection that flips the coordinates x and y.  That's the +45° line through the origin, namely y=x.

Answer: k=1/2, y=x

7 0
3 years ago
Read 2 more answers
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