Questions in Grade College

Questions in Grade College

[Jawaban] Solve for $x$ in the equation $x^2-12 x+36=90$. A. $x=6 \pm 3 \sqrt{10}$ B. $x=6+2-\sqrt{7}$ C. $x=12+3 \sqrt{22}$ D. $x=12 \pm 3 \sqrt{10}$

[Jawaban] A student takes a measured volume of 3.00 M HCl to prepare a 50.0 mL sample of 1.80 M HCl. What volume of 3.00 M HCl did the student use to make the sample? Use [tex]M_i V_i=M_f V_f[/tex]. A. 3.70 mL B. 16.7 mL C. 30.0 mL D. 83.3 mL

[Jawaban] Identify the base in this acid-base reaction: [tex]2 HC_2 H_3 O_2+Mg(OH)_2 \rightarrow Mg\left(C_2 H_3 O_2\right)_2+2 H_2 O[/tex] A. [tex]HC _2 H _3 O _2[/tex] B. [tex]Mg ( OH )_2[/tex] C. [tex]Mg \left( C _2 H _3 O _2\right)_2[/tex] D. [tex]H _2 O[/tex]

[Jawaban] Propane burns in air to produce carbon dioxide and water. What is this type of chemical reaction called? A. synthesis B. combustion C. decomposition D. single replacement

[Jawaban] Use a calculator to evaluate: [tex]$\frac{1.5 \times 3 \div 2.4 \times 0.6+2.44}{1.2 \div 12}$[/tex]

[Jawaban] Después, nosotros (abrir) los libros de química. a. abren b. abre c. abres d. abrimos Please select the best answer from the choices provided

[Jawaban] Use synthetic division and the Remainder Theorem to find the indicated function value. [tex]f(x)=7 x^4+10 x^3+6 x^2-5 x+53 ; f(2)[/tex]

[Jawaban] $\log \left(10^{6 x}\right)=?$ A. $x$ B. $10^6$ C. 60 D. $6 x$

[Jawaban] Which country was the last to join the Allied Powers? A. Great Britain B. France C. United States D. China

[Jawaban] Eliminate the parameter $t$ to find a Cartesian equation in the form $x=f(y)$ for: $\left\{\begin{array}{l} x(t)=-2 t^2 \\ y(t)=1+3 t \end{array}\right.$ The resulting equation can be written as $x=$