ANSWERS WITH SOLUTIONS 2024
"salary increases" indicates what kind of problem? - ANSWER compound interest
impound interest formula - ANSWER final value= present value (1 + r/n) ^nt
Tom gets paid both a salary and a commission for his job as a car salesman. He receives a salary of
$1,500 a month + a commission of $350 for every car he sells. What is the least amount of cars Tom has
to sell to make a total of at least $40,000 every year? - ANSWER 1500 per month (12) = 18,000
40,000-18,000= 22,000 in commission
22,000/350- about *63* cars
compound interest formula - ANSWER Future value= present value (1 + r/n) ^nt
simple interest formula - ANSWER FV=PV (1+r) ^t
a normal distribution,___ of values are within 1 standard deviation of the mean, - ANSWER 68%
__ are within 2 standard deviations, - ANSWER 95%
___ are within 3 standard deviations - ANSWER 99.7%
median - ANSWER middle number
mode - ANSWER the most frequently occurring score(s) in a distribution
mean - ANSWER average
, "and" - ANSWER multiply
"or" - ANSWER to add
___ is a measure of variation in the data set and how far values are spread from the mean. - ANSWER
Standard deviation
"6 with a reminder of 7" is what:
a) 6.63
b)6.3 - ANSWER b)6.3
graphs on DAT are - ANSWER not draw to scale
A line that joins the midpoints of two sides of a triangle is both _________ to the third side and is half
the length of the third side. - ANSWER parallel
slope of perpendicular lines - ANSWER opposite reciprocal
concentraiton= - ANSWER acid/volume
1 mile = ___(m) meters - ANSWER 1610 meters (m)
circumference of a circle - ANSWER C=2πr
volume of cylinder - ANSWER V=πr²h
volume of sphere - ANSWER 4/3πr³