A bunch of folks have asked me if there’s a free trial for the new Math Guide Online. Well, at launch there wasn’t but now there is! You may now try before you buy: anyone can view the Quadratics chapter and take the quizzes therein. You still need to be registered for at least free (more…)
In the equation below, the angle measures are in radians and is a constant.
Which of the following could be the value of ?
For the past few months I’ve been working on an online, interactive version of PWN the SAT: Math Guide, and I’m excited to announce that subscriptions are available now in the PWN store!
The country hall charges a rental fee of $1000 and at least $3000 for food. Olivia is planning a class reunion. If she had chosen a buffet that costs $38.56 per person what is the minimum possible number of people who must attend to support the expense?
there are 50 questions on a quiz given to a class of a students. Only 20% of the class answered all the questions on the quiz. Of the remaining students, half answered two-fifths of the questions and the other half answered three-fifths. What was the average number of questions answered on this quiz?
38.In the sequence above, each term after the first is equal to 1/3 of the term immediately before it. what is the value of the first term in the sequence that is less than 1/20.
y > -½ x + a
y > 2 x – a
If the value of a is 7, which of the following is a possible solution to the system of inequalities above?
A) (2, 6)
B) (4, 5)
C) (5, 4)
D) (5, 3)
Is there a better way than plugging in the answers to solve this?