1003055201
Level:
B
In \( 12 \) hours (from \( 0\!:\!00 \) am to \( 11\!:\!59\!:\!59 \) am), how many times do the minute and the hour hand make an angle of \( 0 \) rad ?
\( 11 \)
\( 22 \)
\( 12 \)
\( 24 \)
B
1103049506
Level:
B
Which graph shows in red the solution set of the following inequality? (Note: If the graph does not show in red any interval, then it means that the inequality has no solution.)
\[ \frac x3-\frac{2x+1}6 < 4 \]
1103049505
Level:
B
Which graph shows in red the solution set of the following inequality?
\[ 2x \geq \frac{6-4x}2 \]
1103049504
Level:
B
Which inequality has the solution set graphed in red in the picture?
\( \frac{5-2x}2 < \frac 72 \)
\( \frac{5-2x}2 > \frac72 \)
\( \frac{5-2x}2 > 4 \)
\( \frac{5-2x}2 < 7 \)
1103049503
Level:
B
Identify a picture that shows the correct solution set of the following inequality. The solution set is marked in red.
\[ 2x-\frac{1+4x}4\geq-2 \]
1103049502
Level:
B
Find the linear inequality of which the solution set is shown in red in the graph below.
\( 2x+2 < \frac x4-\frac 12 \)
\( 2x+2 > \frac{x-2}4 \)
\( 2x+2 < -\frac x2+2 \)
\( \frac x2+2 < \frac x4-\frac12 \)
1103049501
Level:
B
Find the linear inequality of which the solution set is shown in red in the graph below.
\( x+2\geq\frac{2-x}2 \)
\( x+2\leq-\frac x2+1 \)
\( x+2>\frac{2-x}2 \)
\( x+2 < -\frac x2+1 \)
1003055110
Level:
B
How many times in \( 12 \) hours (from \( 0\!:\!00 \) to \( 11\!:\!59\!:\!59 \)) will the minute hand and the hour hand make an angle of \( 1 \) degree?
\( 22 \)
\( 11 \)
\( 12 \)
\( 24 \)
1003055109
Level:
B
What is the maximum error that can be obtained by adding four angles, if the size of each of them is rounded to the nearest degree before the addition?
\( 2^{\circ} \)
\( 0^{\circ} \)
\( 3^{\circ} \)
\( 4^{\circ} \)
1103055108
Level:
B
The figure shows a directional rosette that can be used to determine a marching angle. (The initial arm always faces north and the terminal arm determines the direction of the march, so the measure of the angle increases from north to east.) Give the radian measure of the marching angle if the march is directed southeast.
\( \frac34 \pi \)
\( \frac54 \pi \)
\( -\frac34 \pi \)
\( -\frac54 \pi \)