Questions in Grade College

Questions in Grade College

[Terjawab] Which of the following potentially cancerous compounds are found in AFFF? A. Primary carbons B. Perforated carbons C. Purified carbons D. Perfluorinated carbons Foam prevents potential flammable sources from igniting and extinguishes already burning fuel so A. reducing fuel temperature B. suppressing flammable vapors C. preventing oxygen from contacting the fuel source D. forming a blanket layer over the combustible liquids E. reacting with the fuel source to change its chemical composition

[Terjawab] Which of the following correctly shows an ion pair and the ionic compound the two ions form? A. [tex]$Sn ^4, N^3: Sn _4 N_3$[/tex] B. [tex]$Cr ^{3+}, 1$ : Cr1[/tex] C. [tex]$Cu ^{2+}, O ^{2-} ; Cu _2 O _2$[/tex] D. [tex]$Fe ^{3+} \cdot O ^{2-}: Fe _2 O _3$[/tex]

[Terjawab] Select the most likely product for this reaction: [tex]KOH ( aq )+ CO _2(g) \rightarrow[/tex] ? A. [tex]K _2 CO _3( aq )+ H _2 O ( l )[/tex] B. [tex]K ( s )+ H _2(g)+ O _2(g)[/tex] C. [tex]K ( s )+ CO _3(g)+ H _2[/tex]

[Terjawab] Which hormones are produced by the pancreas? A. epinephrine and norepinephrine B. oxytocin and ADH C. calcitonin and PTH D. insulin and glucagon

[Terjawab] Which of the following mechanisms of culture change is related to a situation of social face problems? A) Indirect diffusion B) Acculturation C) Globalization D) Direct Diffusion E) Invention

[Terjawab] What is the midpoint of a line segment with the endpoints (8,-3) and (-5, -9)? A. (-6, 1.5) B. (1.5, -6) C. (2.5,-7) D. (-7, 2.5)

[Terjawab] Arc CD is $\frac{2}{3}$ of the circumference of a circle. What is the radian measure of the central angle? A. $\frac{2 \pi}{3}$ radians B. $\frac{3 \pi}{4}$ radians C. $\frac{4 \pi}{3}$ radians D. $\frac{3 \pi}{2}$ radians

[Terjawab] Select the correct answer. Justin and Kira use functions to model the heights, in centimeters, of two sunflower plants [tex]$x$[/tex] weeks after transplanting them to the school garden. Function [tex]$J$[/tex] models the height of Justin's plant: [tex]$J(x)=18+6 x$[/tex] Function [tex]$k$[/tex] models the height of Kira's plant: [tex]$k(x)=12+4 x$[/tex] Which function correctly represents how much taller Justin's plant is than Kira's plant, x weeks after they were transplanted to the school garden? A. [tex]$(J-k)(x)=30+10 x$[/tex] B. [tex]$(J-k)(x)=6+10 x$[/tex] C. [tex]$(J-k)(x)=30+2 x$[/tex] D. [tex]$(J-k)(x)=6+2 x$[/tex]

[Terjawab] Solve the following equation for c. [tex]10^{7 c-3}=d[/tex] c =

[Terjawab] Which of the following is a monomial? A. [tex]$2 x-y z$[/tex] B. [tex]$2+x y z$[/tex] C. [tex]$2 x y z^2$[/tex] D. [tex]$2 x+y z$[/tex]