, 03.08.2020 14:01 babyshazi

# WILL MARK BRAINLIEST If Alan and Zack can clean a room in 30 minutes when working together, and Alan cleans twice as fast as Zack, how long would it take Alan to clean the room by himself?

### Another question on Mathematics

Mathematics, 21.06.2019 18:30
Iam being ! sally is a company set up for a show. they start setting up the set on a monday and then keeps setting everything up throughout that next week until everything is ready for the show to begin. the graph below shows sally’s setup time on different days (a) write the equation of the line in slope intercept form, show your work! (b) using the graph, predict how long sally worked to set up the show on the day the show set came, day 0. approximately how much did her set up time for the show set up increase or decrease per day? show your work.
Mathematics, 21.06.2019 20:40
Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.
Mathematics, 21.06.2019 21:10
If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52