How do you simplify 1/5x -3 =4

1 answer:

5 0

Answer:

Step-by-step explanation:

1/5x - 3 = 4

first move 3 to the other side with addition

1/5x = 7

then you can divide 7 by 1/5

7/1 • 5/1 (when dividing fractions the second one is always the opposite reciprocal)

=35/1 = 35

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Using cartesian coordinates concepts such as midpoint and distance between two points, it is found that:

Water ride is at point (3,8).
Roller coaster is at point (27,40).
The Ferris wheel is at the midpoint of the water ride and the roller coaster, thus it's coordinates are the mean of their coordinates.

$x = \frac{3 + 27}{2} = 15$

$y = \frac{8 + 40}{2} = 24$

The location point of the Ferris wheel is (15,24).

The distance between two points, $(x_1,y_1)$ and $(x_2,y_2)$ is given by:

$D = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

Here, Tiffany and her sister are at (15,24) while their parents are at (3,8). Thus, their distance is:

$D = \sqrt{(15 - 3)^2 + (24 - 8)^2} = 20$

They need to walk 20 units.

Hotdog stand is directly east of the water ride, thus, it has the same y-coordinate, while the x-coordinate is increased.
The distance is of 20 units, thus:

$(3 + 20, 8) = (23,8)$