Answer:
given the equation y=3x-5 the slope would be 3
Step-by-step explanation:
looking at the equation you can see it is in y=mx+b form. this means that the coefficient next to the x is the slope
I know that x is equal to 11 and i hope it helps you
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Answer:
true
Step-by-step explanation:
4(2)=8, and 4 times 2 =8
The 1st graph is the answer.
Square both given expressions and add them together. Make use of trig identities.
(sin(a) +sin(b))^2 = sin(a)^2 +2sin(a)sin(b) +sin(b)^2 = 5/3
(cos(a) +cos(b))^2 = cos(a)^2 +2cos(a)cos(b) +cos(b)^2 = 1
Adding, we have
sin(a)^2 +cos(a^2) +2(cos(a)cos(b) +sin(a)sin(b)) +sin(b)^2 +cos(b)^2 = 2 2/3
Of course, the first and last pairs of terms are 1 and 1, and the middle product is 2cos(a-b), so you have
1 + 2cos(a-b) +1 = 2 2/3
cos(a-b) = 1/3
