Consider 8x-4 = 810 Because the are equal , the must also be equal. The solution to the equation is x = .
1 answer:
Answer:
x = 101.75
Step-by-step explanation:
We are given with an equation 8x-4 = 810. We need to find the value of x fi LHS is equal to RHS of the equation. It means,
8x-4 = 810
Adding 4 on both side of the equation such that,
8x-4+4 = 810+4
8x = 814
Dividing both sides by 8, such that,
So, the value of x is 101.75
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Answer:
The length of the track is 247 m.
The area enclosed by the track is 5391 . 76 sq m.
Step-by-step explanation:
The length of the rectangle = 88 m
The width of the rectangle = 44 m
Now, as we know the semicircles are at the end of rectangular track.
So, the diameter of semicircles = Width of the rectangle
⇒ The diameter of the semi circle = 44 m
⇒Radius of the semi circle = 44/2 = 22 m
TOTAL LENGTH OF TRACK
= 2 ( Length of rectangle) + 2 (Circumference of 1 semicircle)
= 2 x (88 m) + 2 ()
= 176 m + 2 (3.14)(22 m) = 176 + 71.08 = 247 m
Hence, the length of the track is 247 m
TOTAL AREA OF TRACK
= (Area of rectangle) + 2 (Area of 1 semicircle)
= (Length x Width) + 2 ()
= (44 m x 88 m) + (3.14)(22 m)(22 m) = (3872 + 1519.76) sq m
= 5391 . 76 sq m
Hence, the area enclosed by the track is 5391 . 76 sq m.
Answer:
The answer to your question is below
Step-by-step explanation:
Part A.
-3x + 7y = 13
Solve the equation for "y"
7y = 3x + 13
y =
Part B.
Two lines are parallel if their slopes are the same
Two lines are perpendicular if their slope are opposite reciprocals
Slope of the first line =
Slope of the second line =
Conclusion: the lines are parallel because their slopes are the same.