2 years ago

Find all zeros f(x) = 3x^2+8x+7

Mathematics

1 answer:

Artemon [7]2 years ago

4 0

Answer:

Step-by-step explanation:

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How many hours does it take to get 5 miles?

Dmitry_Shevchenko [17]

Depends on MPH or Miles Per Hour.

Going 10 mph = 30 minutes

Going 50 mph = 10 minutes

Etc.

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2 years ago

How to write (1.5 x 10^-4) x (2.5 x 10^3) in scientific notation

maria [59]

<h2>Answer:</h2>

The answer to your question is: (4 x 10^-1)

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2 years ago

What is the unit rate of five and 15?

-BARSIC- [3]

For miles... 0.333333 Miles per Mile

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2 years ago

PLEASE ANSWER THIS ASAP

timurjin [86]

I would say no.
Let me know if you got it right

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2 years ago

A person gets on a Ferris wheel at the starting point. The starting point is 15 feet off the ground. The Ferris wheel has a radi

lisov135 [29]

<h2>Answer:</h2>

$\boxed{\frac{25}{2}(\sqrt{6}+\sqrt{2})+65}$

<h2>Explanation:</h2>

<em>The height of the rider from the ground after the Ferris wheel</em> equals <em>the starting point is 15 feet off the ground </em><em>plus </em><em>the radius of the Ferris wheel </em><em>plus </em><em>the opposite side of the triangle ΔABC </em>(See figure below).<em> </em>Hence our goal is to find this side. We have the angle $11\pi /2=165^{\circ}$ , therefore the angle ∠BAC = 165° - 90° = 75°. So this side can be found using trigonometry:

$\overline{BC}=\overline{AB}sin(75^{\circ})=50sin(75^{\circ})=\frac{25}{2}(\sqrt{6}+\sqrt{2})$

Finally, the height is:

$H=\frac{25}{2}(\sqrt{6}+\sqrt{2})+15+50 \\ \\ \boxed{H=\frac{25}{2}(\sqrt{6}+\sqrt{2})+65}$

6 0

2 years ago