HotelInfantesAgres - Tempat Tanya Jawab Pelajaran & Ilmu Pengetahuan Logo

Questions in Grade College

[Jawaban] Simplify a) $\left(3 d^2\right)\left(-9 d^2\right)(-5 d)$

[Jawaban] Select the correct answer. Which function is increasing on the interval $(-\infty, \infty)$? A. $g(x)=-4\left(2^x\right)$ B. $j(x)=x^2+8 x+1$ C. $h(x)=2^x-1$ D. $f(x)=-3 x+7$

[Jawaban] If a code block begins with the word "on," it will typically: A. run a function. B. specify a parameter. C. create a variable. D. cause an event.

[Jawaban] All freshmen, sophomores, juniors, and seniors attended a high school assembly. The total student attendance is shown in the table. | Class | Number of People | | ---------- | ---------------- | | freshmen | 31 | | sophomores | 10 | | juniors | 17 | | seniors | 22 | Twice during the assembly, a student is chosen at random to assist with the presentation. After the first student has finished assisting, the student returns to the group and can be chosen a second time. What is the probability that the first student chosen is a senior and the second student chosen is a sophomore? A. [tex]$\frac{11}{320}$[/tex] B. [tex]$\frac{-3}{80}$[/tex] C. [tex]$\frac{11}{40}$[/tex] D. [tex]$\frac{2}{5}$[/tex]

[Jawaban] Solve the equation on the interval [tex]$0 \leq \theta\ \textless \ 2 \pi$[/tex]. [tex]$\sin \left(2 \theta-\frac{\pi}{2}\right)=-1$[/tex]

[Jawaban] What is the sequencing of elements that allows infection to occur called? A. Chain of command B. Chain of infection C. Chain of distribution D. Chain of illness

[Jawaban] Select the correct answer. Vitellium (V) has the following composition: V-188: 187.9122 amu, 10.861% V-191: 190.9047 amu, 12.428% V-193: 192.8938 amu; 76.711% Based on this data, what can you predict about the average atomic mass of vitellium? A. It will be equal to the arithmetic mean of the masses of the three isotopes. B. It will be closer to the mass of Vi-188. C. It will be closer to the mass of V-193. D. It will be equal to the mass of Vi-193.

[Jawaban] Why is $\sqrt[3]{9}$ equal to $9^{\frac{1}{3}}$?

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Jawaban] A sample of 245 high school students from grades [tex]$9-10$[/tex] and [tex]$11-12$[/tex] were asked to choose the kind of band to have play at a school dance: rap, rock, or country. [tex]$51 \%$[/tex] of the sample is grades [tex]$9-10$[/tex]. From the sample, it is determined that [tex]$16.3 \%$[/tex] were students in grades [tex]$9-10$[/tex] who prefer a rap band and [tex]$22.4 \%$[/tex] were students in grades [tex]$9-10$[/tex] who prefer a country band. [tex]$14.3 \%$[/tex] were of students in grades [tex]$11-12$[/tex] who prefer a country band, while [tex]$10.2 \%$[/tex] were students in grades [tex]$11-12$[/tex] who prefer a rock band. The most popular choice was rap, with [tex]$40.8 \%$[/tex] of students making it their preferred option. Which of the following is a correct two-way relative frequency table for the data? School Dance Band Preference & Rap & Rock & Country & Row totals Grades 9-10 & 16.3 & 12.2 & 22.4 & 51 Grades 11-12 & 24.5 & 10.2 & 14.3 & 49 Column totals & 40.8 & 22.4 & 36.7 & 100 School Dance Band Preference & Rap & Rock & Country & Row totals Grades 9-10 & [tex]$16.3 \%$[/tex] & [tex]$12.3 \%$[/tex] & [tex]$22.4 \%$[/tex] & [tex]$51 \%$[/tex] Grades 11-12 & [tex]$24.5 \%$[/tex] & [tex]$10.2 \%$[/tex] & [tex]$14.3 \%$[/tex] & [tex]$49 \%$[/tex] Column totals & [tex]$40.8 \%$[/tex] & [tex]$22.5 \%$[/tex] & [tex]$36.7 \%$[/tex] & [tex]$100 \%$[/tex] School Dance Band Preference & Rap & Rock & Country & Row totals