Questions in Grade High-school

Questions in Grade High-school

📝 Answered - Which list shows the lengths of three line segments that could not form a triangle? A. 6 cm, 8 cm, 10 cm B. 5 cm, 6 cm, 7 cm C. 4 cm, 7 cm, 13 cm D. 3 cm, 6 cm, 6 cm

📝 Answered - Solve the system of linear inequalities: 1. \(-2 \leq y \leq 6\) 2. \(3y \leq 4x + 26\) 3. \(y \leq -2x + 2\) Objective function: \(f(x, y) = -3x - 6y\)

📝 Answered - Model how to factor the polynomial \(2x^3 - 8x^2 + 3x - 12\) step by step.

📝 Answered - Solve the following system of linear equations: \[ 3x + 2y = 11 \] \[ 7x - y = 3 \]

📝 Answered - The primary building blocks of a DNA molecule are: A. nitrogenous bases, phosphates, and ribose sugar. B. nitrogenous bases, phosphates, and deoxyribose sugar. C. phosphorous bases, nitrogen, and ribose sugar. D. phosphorous bases, nitrogen, and deoxyribose sugar. E. carbon, nitrogen, oxygen, phosphorous, and deoxyribose sugar.

📝 Answered - For carbon monoxide poisoning, the treatment involves the administration of oxygen at high pressure, which increases the amount of oxyhemoglobin in the bloodstream. Using Le Chatelier's Principle, completely explain why this treatment is effective.

📝 Answered - How can you tell when a solution is formed?

📝 Answered - If snow is falling at a rate of \(\frac{1}{4}\) inch every 30 minutes, how much snow will fall in \(4 \frac{1}{2}\) hours?

📝 Answered - A worker is hired for $80 a day on the condition that if business is slow, the worker will only receive half pay. At the end of 20 days, the worker receives $1,320. On how many days was business slow?

📝 Answered - Determine whether these functions are invertible. Find inverses of the invertible functions. (a) \( f(x) = x - 2 \). (b) \( f(x) = x^{2} \), where \( x \in \mathbb{R} \). (c) \( f(x) = x^{2} \), where \( x \in (2, 5) \). (d) \( f(x) = x^{3} \).