Find the length of the unknown side of the right triangle. In each case, a and b represent the lengths of the legs and c represents the length of the hypotenuse.
a = 
, b = 
; find c
A. 25
B. 5
C. 
D. 533
Answer: B
Mathematics
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The magnitude M of a star is a measure of its brightness, and it is related to the relative intensity I of light reaching Earth from the star. The relationship is
.
Express relative intensity as a function of magnitude.
?
A. 
B. 
C. 
D. 
Mathematics
Determine the value of a that makes F(x) an antiderivative of f(x).f(x) = 90x1/9, F(x) = ax10/9
A. 9 B. 90 C. 81 D. 10
Mathematics
Solve the equation.|4s - 2| = |s + 4|
A. ?
B. {2, - 
}
C. 
D. {- 2, 
}
Mathematics
Find the vertices of the hyperbola.25(y - 2)2 - 4(x + 6)2 = 100
A. (6, 0) and (6, -4) B. (1, -2) and (11, -2) C. (-6, 4) and (-6, 0) D. (-11, 2) and (-1, 2)
Mathematics