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inysia [295]
3 years ago
9

Select the correct answer. Lyra and Donna are testing the two-way radios they built for their high school science project. Lyra

goes to the top of a building that is 22 meters high with one of the radios and stands directly above the building’s entrance. Donna walks out of the entrance, perpendicular to the building, with the other radio. If Donna is more than 50 meters from the entrance, the connection between the radios breaks. What is the range of communication for the two radios to the nearest meter? A. 50 meters B. 55 meters C. 62 meters D. 72 meters
English
1 answer:
ikadub [295]3 years ago
7 0

Answer:

yra is 22 meters above the entrance.

The radios work until Donna is 50 meters away from the entrance.

At that moment, Lyra, Donna, and the entrance form a right triangle.

The hypotenuse is the actual distance between Lyra and Donna.

          Distance  =  √ (22² + 50²)

                        =   √ (484 m² + 2,500 m²)

                        =    √ (2984 m²)

                        =        54.63 meters.

Rounded to the nearest meter,    Distance = 55 meters.

THAT's the maximum point-to-point range of the radios

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Have you ever had to move schools? After moving schools multiple times, you might learn to get used to new things, but if you haven't, I've got some advice for you. I was always shy and rarely interacted with others on my own. But when others talked to me, especially the teacher, they were nice. The other kids played and talked to me as if I was always there, making me feel welcomed, and soon I warmed up to them as they warmed up to me. Everything is better once you are familiar with the people around you, so you should talk to them. Some of the most important things in getting used to a new school is being confident, raising your hand a lot, and trying to make some friends.

Explanation:

Have you ever had to move schools? (hook)

After moving schools multiple times, you might learn to get used to new things, but if you haven't, I've got some advice for you. I was always shy and rarely interacted with others on my own. But when others talked to me, especially the teacher, they were nice. The other kids played and talked to me as if I was always there, making me feel welcomed, and soon I warmed up to them as they warmed up to me. Everything is better once you are familiar with the people around you, so you should talk to them. (background information)

Some of the most important things in getting used to a new school is being confident, raising your hand a lot, and trying to make some friends. (thesis statement)

Hope it helps!!

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