3 years ago

Which unit rates would be appropriate for describing the amount of rainfall over time? Choose two answers.

Mathematics

1 answer:

lesya [120]3 years ago

6 0

Inches per hour and centimeters per day I believe

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The difference of three times a number and 16 is at least 8

RoseWind [281]

3n-16<8
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4 0

3 years ago

A car is traveling up a steep ramp to a parking garage.the ramp is 445 feet long and rises a vertical distance of 80 feet. What

Alecsey [184]

With the information provided in the problem, we can create a right triangle with the ramp as its hypotenuse, and the vertical rise as its opposite side from its angle of elevation.
Let $E$ be the angle of elevation from the car to the end of the ramp. We now know that the hypotenuse of our triangle measures 445 feet, and the opposite side measures 80 feet, so we need a trig function that relates our angle of elevation with the hypotenuse and the opposite side. That function is sine:
$sine(E)= \frac{80}{445}$
$E=arcsine( \frac{80}{445} )$
$E=10.36$

We can conclude that the angle of elevation from the car to the end of the ramp is 10.36°.