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Answer:
B
Step-by-step explanation:
unit price is $3.50.
The graph should have the coordinate (1,3.5)
Answer:
( y - 3 )² = 8 ( x - 4 )
Step-by-step explanation:
The given vertex of Parabola is ( 4 , 3)
And Directrix is X = 6
The equation of parabola is
( y - k )² = - 4 ( P) ( x - h )
Now p = 4 - x = 4 - 6 = - 2
And given value of ( k , h) = ( 4 , 3)
Or ( y - 3 )² = - 4 ( - 2) ( x - 4 )
Or, ( y - 3 )² = 8 ( x - 4 )
Hence The equation of parabola with directrix x = 6 And
vertex ( 4 , 3 ) is ( y - 3 )² = 8 ( x - 4 ) Answer
Answer:
666.67 ft^2
Step-by-step explanation:
We start with a 4x5 scale room
We then use the 1:20 scale to multiply the 4 and the 5 by 20
4*20=80
5*20=100
We now have the dimensions of the actual room, 80in.x100in.
Area=length*width
A=100*80
A=8000 in^2
We are not done yet, though. To get feet, you convert inches to feet. 1 foot=12 inches.
8000/12=666.667, or 666.67, or 667, depending what you would round to
*Hint: The formula for finding the surface area of a rectangular prism is SA = 2 (wh + lw + lh).
Now, just plug in and solve.
SA = 2 [(10)(8) + (12)(10) + (12)(8)]
SA = 2 (80 + 120 + 96)
SA = 2 (296)
SA = 592.
The surface area of Rita's room is 592 feet squared.
