Questions in mathematics

Questions in mathematics

[Free] Write an equation with the solution \( x = 25 \). The equation should have the variable on both sides, a decimal coefficient on the left side, and a decimal anywhere on the right side. One of the decimals should be written in tenths, and the other in hundredths. Example: \( 0.5x = 2.75 + 0.01x \)

[Free] Fifteen children voted for their favorite color. The votes for red and blue together were double the votes for green and red. How did the children vote?

[Free] Find the slope in the equation \( y = mx + b \) form and the midpoint of the points (3, -5) and (8, 10).

[Free] The rental fee for jet skis varies directly with the number of hours they are rented. Fun Vacation Rentals charges $140 for 4 hours. Suppose you rent a jet ski for only 3 hours. Write and solve a direct variation equation to determine your rental fee.

[Free] The amount Ben earns, [tex]y[/tex], varies directly with the number of hours he works, [tex]x[/tex], as shown in the graph. 1. Write a direct variation equation. 2. Identify the constant of variation and interpret its meaning.

[Free] A bathroom has a length of 3 feet and total area of 27ft what is the width of the bathroom

[Free] A pineapple costs $5.04. Together, one banana and one pineapple cost the same as 13 bananas. What does one banana cost? Please show your work.

[Free] One bus leaves a stop every 9 minutes. A second bus leaves the stop every 15 minutes. If they both leave at 1:25 p.m., at what time will they next leave together?

[Free] Given the function \( y = 8x - 2 \), which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs? A. \{(0, -2), (1, 6), (2, 14)\} B. \{(0, -2), (2, 13), (-5, -40)\} C. \{(1, 7), (2, 7), (3, 7)\} D. \{(1, 6), (2, 13), (3, 24)\}

[Free] About 13 out of 20 homes have a personal computer. On a street with 60 homes, how many would you expect to have a personal computer?