Heart of Algebra Passport to Advanced Math Problem Solving and Data Analysis Additional Topics Miscellaneous
What is 50%
If the sum of 50% of "m" and 50% of "n" is 75% of "m", "n" is what percent of "m"
What is 36
What is a random sample
The best way to collect a sample
What is 1/3(pi)(r^2)(h)
Volume of a cone
Who is Herrick of course
Herrick or Hannah
What is 1/2
4x-y=3y+7
x+8y=4
Value of the product of xy is
What is 9
x^2+y^2=153
y=-4x
If (x,y) is a solution to the system of equations above, x^2=
What is 10
A study finds that a species of wren spends on average one hour in order to catch six insects. A female wren must catch 20 insects for herself and 8 insects for each of her chicks every day. If she has 5 chicks, number of hours she spends catching insects to feed herself and her chicks is
What is 1
tan(45)
What is 20
Herrick's age
What is 24
If 1/2x+1/3y=4, value of 3x+2y is
What is 10
If a^2+14a=51 and a>0, the value of a+7 is
What is 250
If a number half as big as x is subtracted from a number 3 times as big as x, the resulting value is what percent of x
What is 122+154i
(14-2i)(7+12i)=
Who is Jeff Bezos
The current richest person alive
What is 6
If the sum of 3 consecutive even integers is greater than 20, the smallest possible value for the first integer is
What is -15
y-3=2x+10
2x+3y=-1
If the two equations intersect at the point (p,q), value of p*q=
What is 5
In the time it takes Computer A to make 100 calculations, Computer B can make 140 calculations. If it takes Computer A 25 seconds to make 375 calculations, number of minutes it takes for Computer B to make 6300 calculations is
sin(pi/3)/cos(pi/3)
What is 3
Ten candles stand burning in a dining room. A strong breeze blows in through an open window and extinguishes two of them. Checking back in on the candles later, you see that one more candle has gone out, you shut the window. Assuming the wind doesn't extinguish any more candles, how many candles do you have left in the end?
What is 6
1/2x-1/4y=5
ax-3y=20
In the system of linear equations above, "a" is a constant. If the system has no solution, the value of a is
What is 2x+1
If the expression (4x^2)/(2x-1) is written in the equivalent form 1/(2x-1) + A, value of A in terms of x is
What is 10
A typical image taken of the surface of Mars by a camera is 11.2 gigabits in size. A tracking station on Earth can receive data from the spacecraft at a data rate of 3 megabits per second for a maximum of 11 hours each day. If 1 gigabit equals 1,024 megabits, what is the maximum number of typical images that the tracking station could receive from the camera each day?
What is 26
x^2+y^2-6x+8y=144
This is an equation of a circle in the xy-plane. Diameter of the circle is
What is January
Herrick's birth month is