H2GM - Every Question Matters.

Recent Questions

In **Physics** / **High School** | 2025-07-03

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

In **Mathematics** / **College** | 2025-07-03

[Open]Which exponential function is represented by the table? A. [tex]f(x)=0.2(0.5^x)[/tex] B. [tex]f(x)=0.5(5^x)[/tex] C. [tex]f(x)=0.5(0.2^x)[/tex] D. [tex]f(x)=0.2(0.2^x)[/tex]

In **Mathematics** / **College** | 2025-07-03

[Open]If [tex]f(x)=\frac{x}{3}-2[/tex] and [tex]g(x)=3 x^2+2 x-6[/tex], find [tex](f+g)(x)[/tex] A. [tex]3 x^2+\frac{7}{3} x-8[/tex] B. [tex]3 x^2+\frac{5}{3} x+4[/tex] C. [tex]x^2+12[/tex] D. [tex]3 x^2+\frac{2}{3} x-8[/tex]

In **Mathematics** / **High School** | 2025-07-03

[Open]Solve for $x$ in the equation $x^2+2 x+1=17$ A. $x=-1 \pm \sqrt{15}$ B. $x=-1 \pm \sqrt{17}$ C. $x=-2 \pm 2 \sqrt{5}$ D. $x=-1 \pm \sqrt{13}$

In **Engineering** / **College** | 2025-07-03

[Open]When you use an energy-absorbing lanyard, the deceleration distance is increased, and the impact force is: A. Reduced B. Extended C. Increased D. Unaffected

In **Chemistry** / **College** | 2025-07-03

[Open]A beaker contains a solution of calcium hydroxide $\left( Ca ( OH )_2\right)$ in water. A student places a straw in the beaker and then breathes into the solution through the straw. As the student breathes into the solution, a white precipitate forms. What is the most likely composition of the precipitate? A. $H _2 O$ B. $CaCO _3$ C. $CH _3 OH$

In **Mathematics** / **High School** | 2025-07-03

[Open]Solve this simultaneous equation: $\begin{array}{l} 5 x+3 y=9 \ 7 x-4 y=14 \end{array}$

In **Mathematics** / **High School** | 2025-07-03

[Open]Express the recurring decimal $0.1 \dot{3} \dot{6}$ as a fraction in its simplest form. Use $x$ in your working.

In **English** / **College** | 2025-07-03

[Open]Read the excerpt from Julius Caesar, act 2, scene 2. CALPURNIA. When beggars die there are no comets seen; The heavens themselves blaze forth the death of princes. What does the symbol of comets represent in this excerpt? A. war B. glory C. evil D. faith

In **Business** / **College** | 2025-07-03

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