jbarbie3
24.10.2021 •
Mathematics
What is the mean for the data shown in the line plot? please help fast!
a. 10
b. 6
c. 4
d. 5
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Ответ:
D. 5
Step-by-step explanation:
read each number from the plot. remember each x represents one number so there are 11 numbers. you divide it then it gives you 5
Ответ:
Plasma models = 24
Step-by-step explanation:
Set the system of equation:
Let LCD models = x, and Plasma = y
x + y = 144
x = 5y
Plug in 5y for x in the first equation.
(5y) + y = 144
Simplify
6y = 144
Isolate the variable, y. Divide 6 from both sides
(6y)/6 = (144)/6
y = 24
Plug in 24 for one of the equations.
x + y = 144
x + (24) = 144
x + 24 (-24) = 144 (-24)
x = 144 - 24
x = 120
Plasma models = 24 ; LCD models = 120
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