Find the 8th term of the geometric sequence shown below. 6x,18x^4,54x^7 please help
1 answer:
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Answer:
Check Explanation
Step-by-step explanation:
The complete question plus diagram is presented in the attached image to this solution.
From the attached image, the dimensions of the playground drawn will be a bit variable now as zooming and some editing might have tampered with the original intended dimensions to be measured.
But still, let us assume that on measuring the rectangular playground shown, we obtain approximately that the length is 4.5 cm and the breadth is 2 cm.
The scale to convert to real life is 1;500 indicating that
1 cm on the drawing = 500 cm lenght units of the real playground.
So,
4.5 cm on the drawing = 4.5 × 500 = 2250 cm of the playground
2 cm on the drawing = 2 × 500 = 1000 cm of the playground.
Hence, the real life dimensions of the playground is 2250 cm by 1000 cm.
In meters, that is 2.25 m by 1 m
The perimeter of a rectangular figure is given as
Perimeter = 2(Length + Breadth)
= 2(2.25 + 1)
= 6.5 m
Hope this Helps!!!
Answer:
9. Perpendicular
10. neither
11. Perpendicular
12. neither
Step-by-step explanation:
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Slope Intercept Form: y = mx + b
* M is the slope
* B is the y intercept
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Lines are parallel if they have the same slope (ex. If two equations have a slope of 2)
Lines are perpendicular if they have the opposite and the reciprocal slope (ex. If 1 equation has a slope of 3 and another equation has a slope of - )
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9. Perpendicular: The slopes are reciprocal of each other and one of them is negative
10. Neither: The lines are not perpendicular because the slopes are both negative
11. Perpendicular: If you plot y=5 it is a horizontal line through 5. If you plot x=-3 it is vertical line through -3. These lines intercept and are perpendicular.
12. Neither: The slopes of both equations need to be the same to be parallel
- Put both equations into y=mx+b
- y = 1/2x -2 AND y = -1/2x -2