Which of the following terms should not be used to describe a polygon?
A. convex

B. arc

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Mathematics, 21.05.2021 01:00 Blbyrd1287

# Which of the following terms should not be used to describe a polygon?
A. convex

B. arc

C. regular

D. concave

Answers: 3

Mathematics, 22.06.2019 00:00

Aspacecraft can attain a stable orbit 300 kilometers above earth if it reaches a velocity of 7.7 kilometers per second. the formula for a rocket's maximum velocity v in kilometers per second is vequalsminus0.0098tplusc ln upper r, where t is the firing time in seconds, c is the velocity of the exhaust in kilometers per second, and r is the ratio of the mass of the rocket filled with fuel to the mass of the rocket without fuel. find the velocity of a spacecraft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.1 km/s, and a firing time of 15 s. can the spacecraft achieve a stable orbit 300 km above earth?

Answers: 3

Mathematics, 22.06.2019 00:30

The high temp today was 62Â°. when nighttime comes, the temp will drop 40Â°. by 4am the temp will drop an additional 40Â°. what is the temp at 4am?

Answers: 2

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Identify all the cases where probability sampling is used. studies with specific goals randomly selected samples qualitative research studies targeting tiny populations randomly selected samples within boundaries of a population

Answers: 1

Mathematics, 22.06.2019 04:30

For which rational expression is -2 an excluded value of x

Answers: 1

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