Mathematics, 10.10.2019 16:30 HealTheWorld
1. if f(x) varies directly with x, and f(x) = 12 when x = 8, write the direct linear variation equation.
a. f(x)=8x
b. f(x)=12x
c. f(x)=2/3x
d. f(x)=3/2x
2.which does not show a direct variation between x and y?
a. y=5x
b. y=6/x
c. y=0.7x
d. y=x/9
3.find the constant of variation for the relationship shown in the following table:
x 1 2 3 4
y 3 6 9 12
Answers: 2
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Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?
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How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142
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1. if f(x) varies directly with x, and f(x) = 12 when x = 8, write the direct linear variation equat...
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