Questions in Grade High-school

Questions in Grade High-school

📝 Answered - What is the difference in the charges on a balloon rubbed in your hair and a glass rod rubbed with silk? Why?

📝 Answered - Use elimination to solve this system of equations: 1. \( x - 4y = -11 \) 2. \( 5x - 7y = -10 \)

📝 Answered - What was the Columbian Exchange?

📝 Answered - If a runner covers 400 meters in 50 seconds, what is the runner's average speed? What if the runner takes 60 seconds to cover the same distance?

📝 Answered - Use elimination to solve this system of equations. \[ 2r + 3s = 9 \] \[ 3r + 2s = 12 \]

📝 Answered - What is the Puritan Revolution?

📝 Answered - If a heterozygous plant with seed color (Rr) is crossed with a homozygous recessive plant (rr), what is the probability of each seed color being produced?

📝 Answered - Which of the following is an example of a simile? A. He had big feet. B. His feet were huge dolphins. C. His feet were like baby dolphins. D. His feet looked enormous.

📝 Answered - An investment of $2000 in a bank account doubles every five years. The function that models the growth of this investment is [tex]f(x) = 2000 \cdot 2^x[/tex], where \(x\) is the number of doubling periods. How many years correspond to one doubling period?

📝 Answered - Gravity and friction are two kinds of A. inertia B. forces C. masses D. gravity