Prove This :
sin(A+B)+sin(A−B)=2sinA⋅cosB...
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Mathematics, 21.06.2019 18:00
The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?
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Mathematics, 22.06.2019 00:40
The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.
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Mathematics, 22.06.2019 01:00
Pentagon abcde is dilated according to the rule do,3(x,y) to create the image pentagon a'b'c'd'e', which is shown on the graph. what are the coordinates of point a of the pre-image? a) (-1, 1)b) (-1, 2)c) (-9, 6)d) (-9, 18)
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Mathematics, 22.06.2019 02:30
Using the rise/run counting method, the slope of the line is
Answers: 1
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