Questions in Grade High-school

Questions in Grade High-school

[Homework Help] 76 is 2% of what number?

[Homework Help] There are 77 students in the student council. The ratio of girls to boys is 7:4. How many girls are in the student council?

[Homework Help] You use a 1200-watt hair dryer for 10 minutes each day. a. How many minutes do you use the hair dryer in a month? (Assume there are 30 days in the month.) b. How many hours do you use the hair dryer in a month? c. What is the power of the hair dryer in kilowatts? d. How many kilowatt-hours of electricity does the hair dryer use in a month? e. If your town charges $0.15/kWh, what is the cost to use the hair dryer for a month?

[Homework Help] What is the two-word system for naming organisms called?

[Homework Help] A moving company had one-seventh of a ton of weight to move across town. If they wanted to split it equally among 8 trips, how much weight would they have on each trip?

[Homework Help] Kristine bought a vase that cost $5.99 and roses that cost $1.25 each. The total cost was $20.99. Write and solve the equation to find how many roses Kristine bought.

[Homework Help] A bag contains 10 marbles: 3 are green, 5 are red, and 2 are blue. Josh chooses a marble at random, and without putting it back, chooses another one at random. What is the probability that the first marble is red and the second is blue? Write your answer as a fraction in simplest form.

[Homework Help] What was Henri Becquerel studying when he accidentally discovered radioactivity?

[Homework Help] An equilateral triangle has an altitude length of 27 feet. Determine the length of a side of the triangle.

[Homework Help] Rewrite the equation [tex]y = \frac{2}{3}x + 5[/tex] in standard form.