HRS - Ask. Learn. Share Knowledge.

Recent Questions

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

[Done] A credit card-sized piece is needed for the base of a volcano model. The volcano is 46 centimeters tall and has a volume of 800 cubic centimeters. Which equation can be used to find the area of the circular base? [tex]$45=\frac{1}{3}(\xi)^2(800)$[/tex] [tex]$45=\frac{1}{3}(5)(300)$[/tex] [tex]$300=\frac{7}{3}\left(8^2\right)(45)$[/tex] [tex]$300=\frac{9}{3}(B)(-45)$[/tex]

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

[Done] A motorboat travels 9 miles downstream (with the current) in 30 minutes. The return trip upstream (against the current) takes 90 minutes. Which system of equations can be used to find $x$, the speed of the boat in miles per hour, and $y$, the speed of the current in miles per hour? Recall the formula $d=r t$. A. [tex] \begin{array}{l} 9=0.5(x-y) \\ 9=1.5(x+y) \end{array} [/tex] B. [tex] \begin{array}{l} 9=1.5(x-y) \\ 9=0.5(x+y) \end{array} [/tex] C. [tex]$0.5=9(x-y)$\\ $1.5=9(x+y)$[/tex] D. [tex]$1.5=9(x-y)$\\ $0.5=9(x+y)$[/tex]

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

[Done] A supervisor finds the mean number of miles that the employees in a department live from work. He finds [tex]$\bar{x}=29$[/tex] and [tex]$s=3.6$[/tex]. Which statement must be true? [tex]$z_{37}$[/tex] is within 1 standard deviation of the mean. [tex]$z_{37}$[/tex] is between 1 and 2 standard deviations of the mean. [tex]$z_{37}$[/tex] is between 2 and 3 standard deviations of the mean. [tex]$z_{37}$[/tex] is more than 3 standard deviations of the mean.

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

[Done] Consider the following function: [tex]q(x)=-x^2+6 x-8[/tex] Step 1 of 4: Find the vertex.

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

[Done] What did the Church designate for Black women? A. Pathways for citizenship and landownership B. Tithes aka a special tax C. The liberation of African/Black women

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

[Done] The cylindrical water tank on a semitrailer has a length of 20 feet. The volume of the tank is equal to the product of [tex]$\pi$[/tex], the square of the radius of the tank, and the length of the tank. Let [tex]$V$[/tex] represent the volume of the tank, [tex]$r$[/tex] represent the radius of the tank, and [tex]$h$[/tex] represent the length of the tank. Part A: Create an equation that could be used to find the volume, [tex]$V$[/tex], of the cylindrical tank.

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

[Done] Approximate the number using a calculator. [tex]e^{2.1}[/tex] [tex]e^{2.1} \approx[/tex] $\square$ (Round to three decimal places.)

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

[Done] What are the basic personal care activities residents complete daily?

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

[Done] Where in the Sun does the production of energy take place? A. the corona B. the photosphere C. the core D. the chromosphere

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

[Done] Two countries that have substantially increased forests are: A. Africa and Asia B. Philippines and Malaysia C. China and South Korea D. Brazil and Argentina