Slope: y=3/4x - 7 Can you show me step by step how to find slope?? Thank you!
1 answer:
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C.
First you must divide, 650/10. Which will equal to 65. Subtract 65 from 650. You will end up with 585. To represent the amount that is left would be 9/10,
Answer:
#1) 4; #2) 12 inches; #3) (-0.8, 2.4); #4) (3.5, 8.75); #5) 32 inches by 64 inches
Explanation:
#1) To get the image points, each pre-image point was multiplied by 4. This means that the scale factor is 4.
#2) The perimeter of GAME is 177. We know that three of the sides are 35, 56 and 56. This means the fourth side, GA, would be
177-(35+56+56) = 177-147 = 30 inches
This means that GA to G'A' would have the same ratio as ME to M'E'; this gives us the proportion
Cross multiplying, we have
35(x) = 14(30)
35x = 420
Divide both sides by 35:
35x/35 = 420/35
x = 12
#3) To find the coordinates of I', we multiply the coordinates of I by the scale factor:
I' = (-2(2/5), 6(2/5)) = (-4/5, 12/5) = (-0.8, 2.4)
#4) To find the coordinates of S', multiply the coordinates of S by the scale factor:
S' = (2(7/4), 5(7/4)) = (14/4, 35/4) = (3.5, 8.75)
#5) The generic version is 3/8 the size of the brand name version. This means that the brand name version is 8/3 of the generic version. To find the dimensions of the brand name version, we multiply the dimensions of the generic version by 8/3:
12(8/3) = 96/3 = 32
24(8/3) = 192/3 = 64
The dimensions of the generic version are 32 by 64.