HRS - Ask. Learn. Share Knowledge.

Recent Questions

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

[Done] Determine the Laplace transform of: [tex]u(t-4)[t - 4]^2[/tex]

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

[Done] A man had 0.08 part of his wealth invested in stocks, 0.3 part in FDs, 0.4 part amounting to ₹ 2,400 as gold, and the rest in cash. How much total cash and stocks did he have? (1) ₹ 1,600 (2) ₹ 1,500 (3) ₹ 2,000 (4) ₹ 1,800

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

[Done] Calcium carbonate reacts with HCl to give CaCl₂ and CO₂ according to the reaction: CaCO₃(s) + 2HCl(aq) → CaCl₂(aq) + CO₂(g) + H₂O(l) What mass of 20% impure CaCO₃ is required to react completely with 250 ml of 0.50 M HCl? (1) 6.25 g (2) 5 g (3) 4.75 g (4) 7.8 g

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

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

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

[Done] (Choose the correct alternative to transform the sentence into a compound sentence.) (a) You must attend the classes so as to qualify for the examination. (b) You must attend the classes but qualify for the examination.

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

[Done] Give a reason to support your answer. In a parallelogram, one angle is three times its adjacent angle. Find all the angles of the parallelogram.

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

[Done] 9) $(17+4 \times 3=$ 5) $9+2 \times(8-2)-3=$

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

[Done] Which point-slope equation represents a line that passes through $(3,-2)$ with a slope of $-\frac{4}{5}$? A. $y-3=-\frac{4}{5}(x+2)$ B. $y-2=\frac{4}{5}(x-3)$ C. $y+2=-\frac{4}{5}(x-3)$ D. $y+3=\frac{1}{5}(x+2)$

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

[Done] Simplify this polynomial: $3 x^3+x+2 x^3-4 x^2+14 y-2(y+x)$ A. $3 x^3-3 x^2+14(-2 y+2 x)$ B. $5 x^3-3 x^2+14 y-2 y-2 x$ C. $3 x^3-x+4 x^2+12 y$ D. $5 x^3-4 x^2-x+12 y$

In **Social Studies** / **College** | 2025-07-03

[Done] What rights does the Declaration of Independence express? A) The right to citizenship B) The right to remain silent when interrogated by police C) Human rights of citizens, including life and liberty D) Legal rights of citizens