Questions in mathematics

Questions in mathematics

[Done] The Transamerica Pyramid in San Francisco is shaped like a square pyramid. It has a slant height of 856.1 feet, and each side of its base is 145 feet. Find the lateral area of the building.

[Done] Find the perimeter of a triangle with sides 2 ft 4 in, 3 ft, and 4 ft 6 in.

[Done] What is the simplified form of the following expression? \[ 6c^2 + 2.5d - d + 2c^2 - 3d \]

[Done] Write an equation for the line parallel to \( y = -2x - 5 \) that contains the point \( P(-8, 4) \).

[Done] Using quarters, dimes, nickels, and pennies, how can you make $1.53 using exactly 12 coins?

[Done] The number of professors in a college is \( p \), and the number of students is \( s \). There are 16 times as many students as professors. Write an algebraic expression that shows the relationship.

[Done] A football team gained 12 yards on one play, lost 40 yards on another, and gained 34 yards on the last play of the first half. They had already gained 345 yards during the half. What was the total yardage gain for the first half?

[Done] If \(\frac{3}{7}\) of a pizza is eaten for lunch and \(\frac{2}{5}\) is eaten for dinner, how much of the pizza is eaten in total?

[Done] Five books and nine magazines cost $150.50 altogether. Nine books and five magazines cost $175.70. How much does one book and one magazine cost?

[Done] The table shows the amount earned for washing cars. How much is earned for washing 25 cars? - 3 cars = $13.50 - 6 cars = $27 - 9 cars = $40.50 - 12 cars = $54