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2 answers:
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Equation has no true solutions.
Given:
squaring both sides
=-2y-3
+ 2y = -2y - 3
+ 2y + 4 = 0
(y+2)(y+2) = 0
y = -2
TO VERIFY:
The law cos(x+90⁰)=-sin(x) can be proved by putting y=90⁰ in the following
Formula,
cos(x+y)=cos(x).cos(y)-sin(x).sin(y)
substitute value of y in equation
gives:
-1 = 1 which is incorrect.
Therefore, There are no solutions to the equation.
Alternatively,
If (a1/a2) = (b1/b2) ≠ (c1/c2), then there will be no solution. This type of system of equations is called an inconsistent pair of linear equations. If we plot the graph, the lines will be parallel and system of equations have no solution.
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Ok, so we do pythagoran theorm so
assume that jason is to the left or right of the anchor
ok
the boat anchor is 172.22 feet so 20 feet above that is 152.22 feet
then the other leg or distance to jeff is 188.82
a²+b²=c²
152.22²+188.82²=c²
23170.9284+35652.9924=c²
58823.9208=c²
sqrt both sides
242.53643190251=c
the distance is about 242.5ft
assume that jason is to the left or right of the anchor
ok
the boat anchor is 172.22 feet so 20 feet above that is 152.22 feet
then the other leg or distance to jeff is 188.82
a²+b²=c²
152.22²+188.82²=c²
23170.9284+35652.9924=c²
58823.9208=c²
sqrt both sides
242.53643190251=c
the distance is about 242.5ft