100% correct 2025/2026
For a normal distribution graph ____ of the data is contained within one standard deviation from the
mean - correct answer ✔68%
For a normal distribution graph ____ of the data is contained within two standard deviations from the
mean - correct answer ✔95%
For a normal distribution graph ____ of the data is contained within three standard deviations from the
mean - correct answer ✔99%
A special isosceles right triangle has angles 45, 45 and 90 with sides of what length? - correct answer
✔1, 1, and sqrt2 (hypotenuse)
.What is the formula for the sum of internal angles of polygon? - correct answer ✔180(n-2) where n = #
of sides
180(n-2)/n = ______ - correct answer ✔each internal angle measurement
What is the formula for a rate equation using 3 variables where two complete a task at different rates
individually and a certain rate when they work together? - correct answer ✔1/(person A) + 1/(person
B) = 1/(person A + person B)
Formula for surface area of a cylinder - correct answer ✔2pi*r^2 + 2pi*r*h
Formula for surface area of a cube - correct answer ✔A = 6s^2
, If B>C then B-C = ? - correct answer ✔always positive number
On the DAT if you have two possible answers for the square root of x, one is negative and one is positive
are both correct answers or only one? - correct answer ✔Only the positive answer
Write 0.005% in decimal form - correct answer ✔0.00005
What is a chord? - correct answer ✔A line segment joining two points on a circle
Midpoint formula - correct answer ✔(xm, ym) = (x1+x2)/2, (y1+y2)/2
Distance formula - correct answer ✔d = sqrt[(x2-x1)^2 + (y2-y1)^2]
Distance formula is equivalent to ______ - correct answer ✔one side of a square, so s = d
radius formula of a circle - correct answer ✔r^2 = (x-h)^2 + (y-k)^2
How many feet in a meter? - correct answer ✔3.28 ft
How many feet in a yard? - correct answer ✔3 ft
Area of ellipse - correct answer ✔A = pi*A*B
Volume of cylinder - correct answer ✔V = pi*r^2*h
Volume of sphere - correct answer ✔V = 4/3pi*r^3