Bart lives 6 blocks from his grandparents. Melinda lives 8 blocks farther from her grandparents as bart does. How many blocks do
1 answer:
Answer: Melinda lives 14 blocks from his grandparents.
Step-by-step explanation:
Since we have given that
Distance at which Bart lives from his grandparents = 6 blocks
Distance at which Melinda lives from his grandparents as Bart does = 8 blocks
As we have given that Melinda lives 8 blocks farther than the Bart does from the grandparents ,
So, we use the addition operation to calculate the farther distance.
Total distance at which Melinda live from her grandparents is given by
Hence, Melinda lives 14 blocks from his grandparents.
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Answer:
The correct option is;
21 ft
Step-by-step explanation:
The equation of the parabolic arc is as follows;
y = a(x - h)² + k
Where the height is 25 ft and the span is 40 ft, the coordinates of the vertex (h, k) is then (20, 25)
We therefore have;
y = a(x - 20)² + 25
Whereby the parabola starts from the origin (0, 0), we have;
0 = a(0 - 20)² + 25
0 = 20²a + 25 → 0 = 400·a + 25
∴a = -25/400 = -1/16
The equation of the parabola is therefore;
To find the height 8 ft from the center, where the center is at x = 20 we have 8 ft from center = x = 20 - 8 = 12 or x = 20 + 8 = 28
Therefore, plugging the value of x = 12 or 28 in the equation for the parabola gives;
.