Mathematics

Circles

100

What is the formula for the circumference of a circle?

3.14d or 3.14(2r)

200

What is the circumference of a circle in which: 1.5r=6 is true.

25.12 (rounded)

300

What is pi-37 degrees?

What is 143 degrees

400

What is the circumference of a circle in which its diameter equals the equations' answers: sqrt(x)+2=x

{3.14,12.56}

500

Circle O has triangle OPQ within it. Points OP and OQ both represent the radius of circle O. Points PQ measures 50 degrees, and point P measures x degrees. If point O of triangle OPQ represents the radius-point of circle O, What is x?

65 degrees

Story Problems

200

To reach the roof of the house, a 35 foot long ladder was used, touching ground 21 feet away from the base of the house. How high up the building would the ladder reach?

What is 28 feet

500

Joe is standing 6 miles from a rocket launchpad. If Joe saw the rocket at a 16 degree angle of elevation, how high was the rocket? Round your answer to the nearest hundreth.

What is 1.72 miles.

General Algebra

100

-2(x+4)=3(2x-3)

What is 1/8

500

(x-2/4) + (1/1)= 12/x

What is {-8,6}

General Math

100

6'1/3'-8'5/7'

What is -_'_/21

500

Simplify 5/(2+sqrt(7))

What is 10-5(sqrt(7))/-3

Random

400

Define cos, sin, and tan

cos=adj/hyp sin=opp/hyp tan=opp/adj

500

Nucular Physics-Cerenkov Radiation: The mass of an electron rounded to the nearest hundreth is 0.51MeV/c^2 if the refractive index of its medium is 1.4, and the particles kinetic energy equals 0.8MeV's. If these are true, what is the velocity of the particle in medium.

What is 214,137km/s