3 years ago

Plz tell the truth this is a test

Mathematics

1 answer:

Sati [7]3 years ago

6 0

Answer:

A. 45.28

Step-by-step explanation:

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There are 3 boys to every 5 girls in mrs. kennedy's class. if there are 40 students in the class, how many of those students are

Gala2k [10]

Ratio of girls to boys = 5/3

Number of girls in 40 students would be 3/5 * 40 = 24

4 0

3 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: