How to find the pair solution to the equation
1 answer:
Answer:
To figure out if an ordered pair is a solution to an equation, you could perform a test. Identify the x-value in the ordered pair and plug it into the equation. When you simplify, if the y-value you get is the same as the y-value in the ordered pair, then that ordered pair is indeed a solution to the equation.
Step-by-step explanation:
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Answer:
A 20
Step-by-step explanation:
Given
Phone Battery Life (hours)
A 20
B 25
C 10
D 18
8.45% of the battery life of each mobile phone is used in a day by a typical user
Calculating Hours of battery life in a day for each mobile
A 20
Battery life for A = hours
B 25
Battery life for B = hours
C 10
Battery life for C = hours
D 18
Battery life for D = hours
Therefor Mobile phone A 20 uses a total of 1.69 hours of battery life in a day