I need help with #66 and #68
1 answer:
Step-by-step explanation:
66. Δy = -3.4 Δx
Δy/Δx = -3.4
The slope of the line is -3.4. Slope-intercept equation of the line is:
y = -3.4x + b
Plug in the given point to find b:
2 = -3.4(4) + b
b = 15.6
Therefore, the equation is y = -3.4x + 15.6.
Use the equation to find the y coordinates.
68. Repeat the same steps as 66.
Δy = -1.7 Δx
Δy/Δx = -1.7
The slope of the line is -1.7. Slope-intercept equation of the line is:
y = -1.7x + b
Plug in the given point to find b:
3 = -1.7(-7) + b
b = -8.9
Therefore, the equation is y = -1.7x − 8.9.
Use the equation to find the x or y coordinates.
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Answer:
Percentage of free time Gary spends on playing video games and using internet = 54.29%
Step-by-step explanation:
Given:
Gary spends 10 hours per week on the internet.
Gary spends 9 hours per week on video games.
Gary has 5 hours free time per day.
To find the percentage of free time Gary is using to play video game and use the internet.
Solution:
Total number of hours of free time Gary has per week =
<em>[As there are 7 days in a week so we multiply by 7]</em>
Total number of hours of free time Gary spends on playing video games and using internet per week =
Percentage of free time Gary spends on playing video games and using internet per week can be calculated as :
⇒
⇒
⇒ 54.29% (Answer)