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iren2701 [21]
3 years ago
5

Find the value of y. Round your answer to the nearest tenth.

Mathematics
2 answers:
saw5 [17]3 years ago
8 0
The statement is false for any value of y
answer:y∈∅
gavmur [86]3 years ago
3 0

Answer:

y = 0.9

Step-by-step explanation:

Given : Cos y = \frac{8}{13}.

To find : Find the value of y. Round your answer to the nearest tenth.

Solution : We have given

 Cos y = \frac{8}{13}.

On taking the inverse of cos both sides .

y = Cos^{-1}(\frac{8}{13})

y = 0.90792

Up to nearest tenth 0 .9

y = 0.9

Therefore, y = 0.9

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\left\{\begin{array}{ccc}y=2x-6\\y=-x-3\end{array}\right\\\\\text{These are linear functions. We only need two points to draw a graph.}\\\\\text{Choice two values of x, substitute to the equation,}\\\text{and calculate the values of y.}\\\\y=2x-6\\for\ x=0\to y=2(0)-6=0-6=-6\to(0,\ -6)\\for\ x=3\to y=2(3)-6=6-6=0\to(3,\ 0)\\\\y=-x-3\\for\ x=0\to y=-0-3=0-3=-3\to(0,\ -3)\\for\ x=-3\to y=-(-3)-3=3-3=0\to(-3,\ 0)\\\\\text{Look at the picture}

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