Answer:
true
Step-by-step explanation:
1/2 (sin(x+y)+sin(x-y))
= 1/2 (sin x cos Y + cos x sin y + sin x cos y - cos x sin y)
= 1/2 * 2 sin x cos y
= sin x cos y
The expression is true.
Answer:
The correct answer is that there will be 45 remaining apples.
Step-by-step explanation:
So, you start off with 89 and then you take 72 away, that leaves you with 17 apples. Then, you buy 14 more which brings it up to 31. After that, you give 12 more away which brings your total down to 19. Next, you go out and buy 42 more, which adds up to 61 remaining apples. Finally, you give away 16 more, which brings you to a grand total of, 45 apples left.
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Answer:
65 degrees
Step-by-step explanation:
Break the parallelogram up into two triangles. Angle E is 70 degrees and 45 degrees because of the property of equal opposite angles. So E 45 degrees Y 70 degrees and if you add the two up you get 115 degrees. There are 180 degrees in a triangle, so 180-115=65.
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To graph such function we need only 2 points that their coordinates verify the equation y=1+0.5x then we link them with a line.
Look at the photo below for the graph.
:)
Answer:
-1.8
Step-by-step explanation:
