Questions in mathematics

Questions in mathematics

📝 Answered - Meg pounded a stake into the ground. When she attached a leash to both the stake and her dog’s collar, the dog could reach 9 feet from the stake in any direction. Using 3.14 for π, what is the approximate area of the lawn, in square feet, that the dog could reach from the stake?

📝 Answered - Estimate the angle of elevation from the trailhead to the summit.

📝 Answered - A Midwestern music competition awarded 35 ribbons. The number of blue ribbons awarded was 3 less than the number of white ribbons. The number of red ribbons was 2 more than the number of white ribbons. How many of each kind of ribbon was awarded? - White ribbons: ? - Blue ribbons: ? - Red ribbons: ?

📝 Answered - If [tex]4x + 5y = 10[/tex] and [tex]x + 3y = 8[/tex], then [tex]\frac{5x + 8y}{3} = ?[/tex]

📝 Answered - When \( y = x^2 \), which of the following expressions is equivalent to \(-y\)?

📝 Answered - A pizza with 2 toppings from Maria's Pizza Place costs $11.00. A pizza with 5 toppings from Maria's Pizza Place costs $14.75. Each topping at Maria's Pizza Place costs the same amount. 1. What is the price per topping at Maria's Pizza Place? 2. Write an expression that represents the cost, in dollars, of a pizza at Maria's Pizza Place given the number of toppings (n).

📝 Answered - In the formula [tex]e = hf[/tex], if [tex]e[/tex] is doubled and [tex]f[/tex] is halved, what happens to the value of [tex]h[/tex]?

📝 Answered - How many prime numbers are there between 56 and 100?

📝 Answered - Natalie earns $2.50 for each CD she sells and $3.50 for each DVD she sells. Natalie sold 45 DVDs last year. She earned a total of $780 last year selling CDs and DVDs. Write an equation that can be used to determine the number of CDs ([tex]c[/tex]) Natalie sold last year. How many CDs did Natalie sell last year?

📝 Answered - Jim’s allowance is $1.20 per week. Stan’s is $0.25 per day. How long will they have to save, if they save both their allowances together, before they can get a model car set that costs $23.60?