Mathematics, 06.11.2020 17:50 Cutiepie55561
Considering the following statements, what is X β Z?
X β Y: If the sum of the interior angles of a shape is 180Β°, then it's a triangle.
Y β Z: If a shape is a triangle, then it has three sides.
Question 6 options:
A)
X β Z: If a shape has three sides, then the sum of the interior angles of the shape is 180Β°.
B)
X β Z: If the sum of the interior angles of a shape is 180Β°, then it has three sides.
C)
X β Z: If the sum of the interior angles of a shape isn't 180Β°, then it doesn't have three sides.
D)
X β Z: If a shape has three sides, then it's a triangle.
Answers: 2
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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
Considering the following statements, what is X β Z?
X β Y: If the sum of the interior angles of a...
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