Questions in Grade High-school

Questions in Grade High-school

[Done] During World War II, Germany, Italy, and Japan were best known as the: A. NATO B. Allied forces C. Axis Powers D. 38th Parallel

[Done] \( y \) varies inversely as \( x \). If \( y = 5 \) when \( x = 3 \), what is the relationship between \( y \) and \( x \)?

[Done] Two welders working together can complete a job in 6 hours. One of the welders, working alone, can complete the task in 15 hours. How long would it take the second welder, working alone, to complete the task?

[Done] A manufacturer of prefabricated homes has employees work in teams. Team 1 can erect the Silvercrest model in 15 hours. Team 2 can erect the same model in 10 hours. How long would it take for Team 1 and Team 2, working together, to erect the Silvercrest model home?

[Done] What is the quotient of 77.14 divided by 38?

[Done] What is the molarity of 5.00 g of NaOH in 750.0 mL of solution?

[Done] It takes Doug 6 days to reroof a house. If Doug's son helps him, the job can be completed in 4 days. How long would it take Doug's son, working alone, to do the job?

[Done] Work out: \(\frac{3}{5}\) of 7 kg.

[Done] What does probability have to do with heredity?

[Done] Challenge: Human cells have 46 chromosomes. Each chromosome consists of a pair of identical chromatids attached together by a structure called a centromere. At the end of cytokinesis, how many chromatids will be found in each daughter cell? Explain.