Answer:

Step-by-step explanation:
Since the foci are at(0,±c) = (0,±63) and vertices (0,±a) = (0,±91), the major axis is the y- axis. So, we have the equation in the form (with center at the origin)
.
We find the co-vertices b from b = ±√(a² - c²) where a = 91 and c = 63
b = ±√(a² - c²)
= ±√(91² - 63²)
= ±√(8281 - 3969)
= ±√4312
= ±14√22
So the equation is

You are basically finding the hypotenuse of a triangle with side lengths of 120 yards and 120 yards.
Using the equation a^2 + b^2 = c^2, solve for c (hypotenuse) where a and b are the side lengths (120 yards).
a^2 + b^2 = c^2
square root(a^2 + b^2) = c
square root (120^2 + 120^2) = c
square root (120^2 + 120^2) = c
square root (14400 + 14400) =c
square root (28800) = 169.7, rounded up to 170 yards of fencing needed.
Answer:
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Step-by-step explanation:
Answer:
48
Step-by-step explanation:
First, get a total of the ration so 3+4=7
Then 112/7=16
So there is 16 times he puts 3 ounces of red and 4 ounces of blue.
3x16 = 48 (red)
4x16 = 64 (blue)
4+48=112
Answer:
An Isosceles has 2 equal sides of the same length while a Scalene triangle doesn't have any equal sides
Step-by-step explanation:
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