The X values ( first number inside each set of parenthesis would be in the first group. The Y values ( second number in each set of parenthesis) would be in the second group.
The answer is the middle one.
Answer:
The answer for the question is E.
Ill Say Probably 49 Different Type Of Sums.
Answer:
The first one
Step-by-step explanation:
Because the lines will only meet on one specific point. The second image is parallel meaning there is no solution and the third image has both line overlaying on each other meaning they have multiple solutions. So because the first image shows that the line will end up meeting off the graph we can assume that it has one solution
Step-by-step answer:
Referring to the attached diagram, the resultant of two forces each with magnitude F and inclined to each other at 2a equals
Ra = 2Fcos(a) ..............................(1)
Similarly, the resultant of two forces each with magnitude F and inclined to each other at 2b equals
Rb = 2Fcos(b)..............................(2)
We are given that
Ra = 2Rb ....................................(3)
Substitute (1) & (2) in (3) gives
2Fcos(a) = 2(2Fcos(b))
Expand
2Fcos(a) = 4Fcos(b)
Simplify
cos(a) = 2 cos(b) QED
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