A roller coaster's height is given by the equation h= -0.46t^2+ 5t +75, where t represents the time in seconds. How long will it
take riders to pass over the hill and reach ground level? Hint: Set h = 0.
O 122.05 seconds
O 75.00 seconds
O 54.35 seconds
O26.71 seconds
O 122.05 seconds
O 75.00 seconds
O 54.35 seconds
O26.71 seconds
1 answer:
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The length of BC is .
Solution:
Given ABC is a right triangle.
AC is the hypotenuse and BD is the altitude.
AB and BC are legs of the triangle ABC.
AC = 16 and DC = 5
<u>Leg rule of geometric mean theorem:</u>
Do cross multiplication.
Taking square root on both sides.
square and square roots get canceled, we get
The length of BC is .