Questions in mathematics

Questions in mathematics

📝 Answered - Write and solve an inequality to find how many messages Nadine can send and receive so that the unlimited plan is cheaper than paying for each message. Nadine can send or receive a text message for 15 cents each, or she can get an unlimited number of messages for 5 dollars. Let \( x \) represent the number of messages. Set up the inequality: \[ 0.15x > 5 \] Solve for \( x \).

📝 Answered - Solving systems by elimination: \[ 2x + 4y = -4 \] \[ 3x + 5y = -3 \] Please show your work.

📝 Answered - There is a turtle race that will last 2 minutes. Find the distance each turtle will be from the start at the end of the race. The speeds of the turtles (in inches per second) are: - Turtle 1: [tex]\frac{1}{6}[/tex] - Turtle 2: [tex]\frac{2}{3}[/tex] - Turtle 3: [tex]\frac{3}{5}[/tex] - Turtle 4: [tex]\frac{1}{4}[/tex] How do I solve this problem?

📝 Answered - At a store, 24 bottles of water and 6 bags of chips cost $23.40. Five bottles of water and two bags of chips cost $6.60. What is the cost of a single bottle of water?

📝 Answered - Use the order of operations and the digits 2, 4, 6, and 8 to create an expression with a value of 2.

📝 Answered - The length of a rectangle is 3 feet less than twice the width of the rectangle. If the perimeter of the rectangle is 324 feet, find the width and the length.

📝 Answered - What is 60 divided by 100, and why? (I got 0.6, but I'm not sure.)

📝 Answered - y varies directly as x. If [tex]x = 5[/tex] when [tex]y = 12[/tex], find [tex]x[/tex] when [tex]y = 30[/tex].

📝 Answered - List the perfect squares between 100 and 500 that are even numbers.

📝 Answered - What's an equivalent fraction for \(\frac{10}{15}\) by dividing?