Interactive multiple-choice quiz: أسئلة وفق الهيكل الوزاري ريفيل

A

$x = -\frac{7}{3}$

B

x = 1

C

$x = \frac{5}{3}$

D

$x = \frac{7}{3}$

A

experiment

B

observational study

C

census

D

survey

A

sample: all young adults; population: 100 young adults

B

sample: the uniforms; population: all young adults

C

sample: 100 young adults; population: the research team

D

sample: 100 young adults; population: all young adults

A

$\frac{42}{200} = 21\%$

B

$\frac{8}{200} = 4\%$

C

$\frac{1}{8} = 12.5\%$

D

$\frac{1}{200} = 0.5\%$

A

$\frac{8}{42} \approx 19\%$

B

$\frac{42}{200} = 21\%$

C

$\frac{42}{158} \approx 26.6\%$

D

$\frac{1}{8} = 12.5\%$

A

$90^\circ$

B

$120^\circ$

C

$25^\circ$

D

$45^\circ$

A

24

B

30

C

36

D

40

A

$\mu = 55.05$

B

$\mu = 54.8$

C

$\mu = 55.1$

D

$\mu \approx 62.97$

A

$215^\circ, -145^\circ$

B

$395^\circ, -325^\circ$

C

$395^\circ, -35^\circ$

D

$325^\circ, -325^\circ$

A

$-300^\circ$

B

$60^\circ$

C

$420^\circ$

D

$300^\circ$

A

$\sin \theta = \frac{12}{13}, \cos \theta = \frac{5}{13}, \tan \theta = \frac{12}{5}$

B

$\sin \theta = \frac{5}{13}, \cos \theta = \frac{12}{13}, \tan \theta = \frac{5}{12}$

C

$\sin \theta = \frac{5}{13}, \cos \theta = \frac{12}{13}, \tan \theta = \frac{12}{5}$

D

$\sin \theta = \frac{5}{12}, \cos \theta = \frac{12}{13}, \tan \theta = \frac{5}{13}$

A

6

B

3

C

9

D

12

A

$100\pi$

B

$\frac{1}{50}$

C

$\frac{1}{100}$

D

50

A

$\frac{2\pi}{3}; x = \frac{\pi}{3}n$

B

$6\pi; x = 3\pi n$

C

$\pi; x = \frac{\pi}{3}n$

D

$\frac{2\pi}{3}; x = \frac{2\pi}{3}n$

A

$30^\circ, \frac{\pi}{6}$

B

$60^\circ, \frac{\pi}{3}$

C

$-30^\circ, -\frac{\pi}{6}$

D

$30^\circ, \frac{\pi}{3}$