Questions in mathematics

Questions in mathematics

[Done] Ron painted part of a tiled section of his bathroom floor. The whole section was shaped like a rectangle. There were 35 square tiles in the section. How many tiles were in each row if there are 7 rows?

[Done] A helicopter blade spins 775 times in 3 minutes. Find the rate of revolutions per second.

[Done] Sunshine Honda sold 112 cars this month. If that is 40% greater than last month, how many cars were sold last month?

[Done] If Julie needs \(3 \frac{1}{4}\) cups of oatmeal, how many \(\frac{1}{4}\) cups of oatmeal will she use?

[Done] Cynthia ate [tex]\frac{1}{4}[/tex] of the pizza. If the pizza has eight slices, how many slices are left?

[Done] Could -2 be used as a base to rewrite 32? 64? Why or why not?

[Done] Solve the following system of equations using the substitution method: 1. \(5x - 6y = -9\) 2. \(3x + 4y = 25\)

[Done] How do you work out 450 divided by 600?

[Done] Simplify the expression: \(\ln 24 - \ln 6\)

[Done] Find the volume of the cylinder. Use 3.14 for [tex]\pi[/tex]. The diameter of the cylinder is 34 m, and the height is 27 m.