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balandron [24]
2 years ago
8

Sin²A-cos²A=2sin²A-1​

Mathematics
1 answer:
svet-max [94.6K]2 years ago
4 0

Step-by-step explanation:

please mark me as brainlest

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Step-by-step explanation:

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Round this number to two significant figures. 8,468
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PLEASE HELP ME!!! <br> Solve in substitution form step by step please
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Write the rule for finding a point translated vertically k units up. 2. Use this rule to find the coordinates for (−3, −6) when
Alex17521 [72]

Answer:

Rule is (x, y+k)

New point is (-3,9)

Step-by-step explanation:

A point translated vertically k units up means the x coordinate remains the same in the translation but the y coordinate is increased by k units

This can be represented mathematically as;

Let;s assume the point to be A with coordinates (x,y) then to get the image of the point under  a vertical translation k units up you add k to the y coordinate value.

Given ;

A=(\frac{x}{y} )\\\\T=(0,k)\\\\A'=(\frac{x}{y} )+(\frac{0}{k} )=(\frac{0+x}{y+k} )\\\\A'=\frac{x}{y+k} =(x,y+k)

where T is the translation

In the question

Given (-3,-6) and T is (0,5) the new coordinate will be

=(\frac{-3}{4}) +(\frac{0}{5} )=\frac{-3}{9} =(-3,9)

8 0
3 years ago
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