Gloria works at least 10 hours per week but no more than 25 hours each week. She earns 9.00 an hour. Her weekly earnings depend
1 answer:
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Answer:
x= -1, x=1 and x=2
Step-by-step explanation:
The equation is;
Using a graph tool to graph the equation and identify the solution you will have;
x= -1,
x=1
x=2
Check answers
when x=2
Answer:
(a) 0.023%
Step-by-step explanation:
Fill in the given number and do the arithmetic.
A(12) = 0.23·12·e^(-0.4·12) ≈ 0.0227 ≈ 0.023
The percentage of alcohol in the blood 12 hours after the drink is about 0.023.
