Mike built a model of a 42 ft building using a scale of 2 cm = 3 ft. What is the height of the model?
1 answer:
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It is just the multiplication of vectors. We'll multiply corresponding pairs together. The general formula for the pairs of (
; 
) and (
; 
) is * + * = (-6)*(-3)+4*6=18+24=42
Answer:
(0, 1)
(4, 17)
Step-by-step explanation:
2x^2 - 4x + 1 = 4x + 1
2x^2 - 8x = 0
x(2x - 8) = 0
therefore either
x = 0
or
2x - 8 = 0
2x = 8
x = 4
(0, 1)
(4, 17)
