ACT
Simplify |3-11|+4 x 23
What is 40?
Pythagorean identity including only sin and cos.
What is sin2θ+cos2θ=1?
Using only addition, add eight 8s to get 1,000
What is 888+88+8+8+8?
The angle between 0° and 360° that corresponds with the point (-1,0).
What is 180° (or π)?
What baby parabolas drink.
What is the quadratic formula?
The ratio of boys to girls in a math class is 4 to 5. If there are 18 students in the class, find out how many boys there are.
Domain is (-∞,∞).
What is sin and cos?
Multiply this number by any number and the answer never changes.
What is 0?
The two degrees at which tan is undefined.
What is 90° and 270°?
What you call a teapot boiling water on top of a mountain.
What is a high-pot-in-use?
The value of x5 if x=-3.
What is -243?
The perimeter of a rectangle is 20 cm. If the width is 4 cm, find the length.
What is 6 cm?
Something that occurs twice a week, once a year but never in a day.
What is E?
The coordinates for an angle of π/4.
What is (√2/2, √2,2)?
What trig has in common with a beach.
What are tan-gents?
Five cans of tomatoes cost $6.50. The cost of nine cans would be..
What is $11.70?
Prove that cos(x+y)+cos(x-y)=2cosxcosy.
What is 2cosxcosy=2cosxcosy?
When my father was 31, I was 8. Now he is twice as old as me, my age is..
What is 23?
Radius of the unit circle.
What is 1?
The roundest knight at King Arthur's round table.
Who is Sir Cumference?
Approximate √37 times √125.
What is 66?
Adored by few, feared and hated by many. Mistress of the entire universal reason, master in the art or numbers. Some may have been solved, but there are still many to find.
What is mathematics?
The ages of a father and son add up to 66. The father's age is the son's age reversed. How old they could be is..(3 answers)
What is 42 & 24, 51 & 15 and 60 & 6?
5π/6 converted into degrees.
What is 150°?
The identity sin(2r)=2sin(r) got turned down for a loan because it needed...
What is a cosine(r)?