Answer:
7.1%
Step-by-step explanation:
Those that did not complete the race either gave up or were disqualified. This means that 18 + 3 = 22 people did not complete the race. The percentage is 22/310 × 100% = 7.1%
Answer:
hello!
Step-by-step explanation:
I say go for option B
hope it helps!
False. Perpendicular lines run beside each other not through each other.
Answer:
13,397 ft
Step-by-step explanation:
tan 15 = height/50,000
0.2679(50,000) = 13,397 ft
Answer:
The height of the arch 50ft from the center is 97ft
Step-by-step explanation:
A bridge over a gorge is supported by an arch in the shape of a semi-ellipse
The length of the bridge is 400 ft. and the maximum height is 100 ft
so, a=200ft
b=100ft
(a)
we can draw picture
(b)
now, we can use equation of ellipse formula

now, we can plug
a=200
b=100

we can plug x=50 and find y


