Answer:
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Step-by-step explanation:
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Answer:
(a) (7, -3)
(b) (-7, 3)
Step-by-step explanation:
Answer: 5-2x=6-x, x= -1/3
Explanation:
“When I double it and subtract it from five it is the same as subtracting it from six”
So double means multiply by two, and the same as means equal. Use a variable to represent the number.
Therefore your equation is:
5-2x=6-x
So solving the equation would be:
-2x-x = 6-5
-3x = 1
x= -1/3
Answer:
60 degrees
Step-by-step explanation:
sorry if this is wrong
You start off with 4*(cos(x+(pi/3)))
Let's place the 4 aside for the time being:
Cos(u+j) = cos(u)*cos(j) - sin(u)*sin(j)
cos(x+(pi/3)) = cos(x)*cos(pi/3) - sin(x)*sin(pi/3)
cos(x+(pi/3)) = cos(x)/2 - (sqrt(3)/2)*sin(x)
Multiplying by the 4 we put aside:
4*cos(x+(pi/3)) = 2*cos(x) - 2*sqrt(3)*sin(x)
The correct answer is B
