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masya89 [10]
3 years ago
11

Solve the system of equations by graphing. x+y=3y=2x−15

Mathematics
1 answer:
Lunna [17]3 years ago
6 0
\left[x \right] = \left[ 2\,y\right][x]=[2y] totally answer. graphic do ur sheets
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If sin (x-3)° = cos (2x + 6)°, then what is the value of x?
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Answer:

if sin (x-3) degrees = cos (2x+6) degrees, find the value of x.

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Note: sin and cos are complementary functions....

sin(x) = cos (90-x)

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Your Problem:

sin(x-3) = cos(90-(x-3))

Equation:

90-[x-3] = 2x+6

90-x+3 = 2x+6

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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then,

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