Questions in mathematics

Questions in mathematics

[Done] A survey conducted in a school showed that 65% of the students walked to school. The remaining students took buses to school. The ratio of students who took buses to those who took public buses was 4:3. There were 360 more students who walked than those who took buses. How many students took public buses to school? Please explain your solution or write your equations.

[Done] What is [tex]5r^2 = 80[/tex]? Solve each equation using the quadratic formula.

[Done] What percent is equal to [tex]\frac{3}{10}[/tex]?

[Done] What is the slope of the line with the equation \(2x + 3y + 6 = 0\)?

[Done] What is 75 degrees Fahrenheit in the Celsius and Kelvin scales?

[Done] A certain bean plant grows 15% of its height each day. a. Express this percent as a decimal. b. Today, after 10 days, the plant is 27 inches tall. How tall was it yesterday?

[Done] Simplify the following expression: \[ 5^3 \times 25 \]

[Done] Show how you convert 1,910 mL to liters.

[Done] Of 60 students in a class, \(\frac{2}{3}\) are girls, and \(\frac{2}{5}\) of the class are taking music lessons. What is the maximum number of girls that are not taking music lessons?

[Done] A number has 6 hundreds, 7 tens, and 34 ones. What is the number?