Answer:
87.4 in
Step-by-step explanation:
Imagine a right triangle with one side the hight the other side half of the base side and the hypotenuse the slant height and use Pythagorean Theorem.
h² + (23.4/2)² = 88.2² solve for hight,
h=√88.2²- (23.4/2)² is about 87.4 in
2.5 obviously! Have a great day and good luck
Given:
center (7,-3)
radius = 9
Equation of the circle:
(x-h)² + (y-k)² = r²
(x-7)² + (y-(-3)² = 9²
(x-7)² + (y+3)² = 81 Last option.
The geometric mean 4.472135955 hope this helps
Answer:
Average rate of car: x+3
Walking rate: x
The equation is
10/15 = x/x+3
So
x = 6
So
Average rate of car: 9 mph
Walking rate: 6 mph
Step-by-step explanation: