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Questions in Grade College

[Jawaban] Read the sentence. If writers want to reach more readers, you can write a blog. What should replace the underlined pronoun to correct the pronoun shift error? A. he B. they C. us

[Jawaban] According to research, stress levels in men tend to decline after age 50. Which factor is likely contributing to this trend? A. Improved physical health B. Pursuit of long-term goals C. Focusing on emotionally meaningful relationships D. Expanding their social networks

[Jawaban] Do you know what's meant by someone referred to as a "Mature Minor"?

[Jawaban] Given vectors $u =\langle-2,3\rangle$ and $v =\langle-6,9)$, what is the measure of the angle between $u$ and $v$? A. $0^{\circ}$ B. $86^{\circ}$ C. $91^{\circ}$ D. $180^{\circ}$

[Jawaban] a) Put the data in a frequency table. b) Draw a histogram for the data. c) Draw the corresponding frequency polygon. The ages in years of 50 teachers in a school are given as follows: | | 20-29 | 30-39 | 40-49 | 50-59 | |---|-------|-------|-------|-------| | | 8 | 5 | 21 37 49 27 49 42 26 33 46 40 50 29 23 24 29 31 36 22 27 38 30 26 42 39 34 23 31 32 41 46 46 31 33 29 28 43 47 40 34 44 26 38 34 49 45 27 25 33 39 40

[Jawaban] Assume that a procedure yields a binomial distribution with a trial repeated [tex]$n$[/tex] times. Use the binomial probability formula to find the probability of [tex]$x$[/tex] successes given the probability [tex]$p$[/tex] of success on a single trial. Round to three decimal places. [tex]$n=4, x=3, p=\frac{1}{6}$[/tex]

[Jawaban] Multiply these two fractions: [tex]$\frac{2}{7} \times \frac{3}{8}=?$[/tex]

[Jawaban] Given: [tex]CD=I[/tex], and [tex]C=\left[\begin{array}{ccc}-2 & 4 & 1 \\ 1 & 0 & 3 \\ -2 & 3 & -1\end{array}\right] \quad D=\left[\begin{array}{lll}a & b & c \\ d & e & f \\ g & h & i\end{array}\right][/tex] Find the elements of [tex]D[/tex]. [tex]a=[/tex] $\square$ [tex]b=[/tex] $\square$ [tex]c=[/tex] $\square$ [tex]d=[/tex] $\square$ e = $\square$ [tex]f=[/tex] $\square$ [tex]g=[/tex] $\square$ [tex]h=[/tex] $\square$

[Jawaban] Which of the following is not generally a reason why humans create boundaries? A. territoriality B. protection and security C. increased access to an area D. safety

[Jawaban] Which of the following is a degenerate circle? A. $x^2+y^2=-2$ B. $x+y=7$ C. $x^2+y^2=5$ D. $(x-5)^2+(y-3)^2=0$