Answer:
casey's will beep at 5:45 and her brothers at 5:40
Step-by-step explanation:
its because you have all the numbers add the wach time to the clock and theres ur answer! hope i helped!
Step-by-step explanation:
with which problem....not visible
Answer:
x = 25
Step-by-step explanation:
Correct question
In a right triangle Sin (40-x)=cos(3x) what is the value of x
Since Sin theta = Cos(90-theta)
Sin (40-x) = Sin(90-3x)
40 - x = 90 - 3x
-x+3x = 90 - 40
2x = 50
x = 25
Hence the value of x is 25
The angle is in the second quadrant so only the sine is positive .
Length of the hypotenuse = sqrt (-1^2 + 3^2) = sqrt10
sine = 1/sqrt10 = 0.3162 to 4 dec places
tangent = 1 / -3 = -0.3333 to 4 d p's
cosine = -3/sqrt10 = -0.9487 to 4 d, p's.
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➷ tanC = 5 / 13
tanC = 0.3846
The answer would be C. 0.38
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