Questions in Grade College

Questions in Grade College

[Answered] Which statement about the following equation is true? [tex]2 x^2-9 x+2=-1[/tex] A. The discriminant is less than 0, so there are two real roots. B. The discriminant is less than 0, so there are two complex roots. C. The discriminant is greater than 0, so there are two real roots. D. The discriminant is greater than 0, so there are two complex roots.

[Answered] In a group assignment, students are required to fill 10 beakers with [tex]$0.720 M CaCl _2$[/tex]. If the molar mass of [tex]$CaCl _2$[/tex] is 110.98 g/mol and each beaker must have [tex]$250 . mt$[/tex] of solution, what mass of [tex]$CaCl _2$[/tex] would be used? Use molarity [tex]$=\frac{\text { moles of solute }}{\text { Iters of solution }}$[/tex].

[Answered] A substance that has the capacity to inhibit the growth of or destroy bacteria and other microorganisms is

[Answered] Explain at least two quality indicators for the production and marketing functions and evaluate how these could have prevented the reputational and financial damage to House of Natural Butters.

[Answered] Convert the decimal $0.929292 \ldots$ to a fraction. A. $\frac{92}{99}$ B. $\frac{92}{999}$ C. $\frac{92}{100}$ D. $\frac{92}{1000}$

[Answered] Evaluate: [tex] \frac{-5-(x+y)}{2} [/tex], where [tex]x=3[/tex] and [tex]y=6[/tex] A. -5 B. -11 C. -7 D. -13

[Answered] The population (in millions) of a certain country can be approximated by the function: [tex]$P(x)=50 \cdot 1.02^x$[/tex] where [tex]$x$[/tex] is the number of years after 2000. Which of the following calculations will tell in what year the population can be expected to reach 100 million? A. [tex]$\frac{\ln (2)}{\ln (1.02)}+2000$[/tex] B. [tex]$\frac{\ln (2)}{\ln (1.02)}$[/tex] C. [tex]$\ln \left(\frac{2}{1.02}\right)$[/tex] D. [tex]$\ln \left(\frac{2}{1.02}\right)+2000$[/tex]

[Answered] In healthcare settings, diversion refers to: A. Distracting a resident who is receiving an injected medication B. Theft of prescribed medications C. Dividing tasks among staff members D. A resident refusing a medication

[Answered] Select all the correct answers. A sample of an unknown compound has a percent composition of $52.14 \%$ carbon, $13.13 \%$ hydrogen, and $34.73 \%$ oxygen. Which compounds could the sample be? $CH _3 CH _3 CH _2 O _2$ $C _2 H _5 OH$ $C _4 H _{10} O _2$ $C _4 H _{12} O _2$

[Answered] Use logarithms to solve the exponential equation. [tex]e^{5 x}=6[/tex] The solution is [tex]x =[/tex] $\square$ . (Type an integer or decimal rounded to three decimal places as needed.)