A = l × w. Substitute 72 into A and fill in the rest of the equation.
w = l - 1. Plug l - 1 into w
72 = l × (l - 1). Multiply l by (l - 1)
72 = l^2 - l. Subtract 72 from each side.
0 = l^2 - l - 72. Factor.
0 = (l + 8) (l - 9). Set each term equal to zero.
(l + 8) = 0. Subtract 8 from each side.
l = -8. Length cant be a negative number so let's try the other term.
(l - 9) = 0. Add 9 to each side.
l = 9. The length is 9.
Earlier we stated that the width is one less than the length, therefore, the width is 9 - 1 = 8.
The width is 8 units.
Answer:1/3
Step-by-step explanation:
gradient equals
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Answer:
Me
Step-by-step explanation:
What kind of food?
Answer:
tfrrbtrgt
Step-by-step explanation:
Answer:
C. $23 per day.
Step-by-step explanation:
The equation given is in slope-intercept form: y = mx + b, where m is the rate of change (slope).
In the given equation, m = 23, therefore, the rate of change is 23 units (in this case, dollars per day).
Hope this helps!
