The area of a figure is the number of squares required to cover it completely, like tiles on a floor. Area of a square = side times side. Since each side of a square is the same, it can simply be the length of one side squared.
Answer:
The constant 2.2 in L(D) represent the brightness in lumens per square inch.
Step-by-step explanation:
Point -slope form of a straight:
we have a point (x₀,y₀) and the slope m.
y-y₀=m(x-x₀)
Given two points (x₁,y₁) and (x₂,y₂) the slope will be:
m=(y₂-y₁)/( x₂-x₁) or m=(y₁-y₂)/(x₁-x₂)
In this case:
(2,3)
(4,4)
m=(4-3) / (4-2)=1/2
we can choose the point (2,3) or the point (4,4); the result will be the same.
y-y₀=m(x-x₀)
y-4=1/2(x-4)
y=1/2 x-2+4
y=1/2 x + 2
Answer: the funciton passes through the poinsts (2,3) and (4,4) is:
y=1/2 x+2
Answer: 19 minutes
Step-by-step explanation:
22 - 3 = 19 miles/min. The cab company cab ride was 19 minutes long.
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