Questions in mathematics

Questions in mathematics

📝 Answered - I am a number between 60 and 100. My ones digit is two less than my tens digit. I am a prime number. What number am I? Explain.

📝 Answered - Which expression is not equivalent to the others? Explain. A. \(-16x + 5(2x + 8) - 14\) B. \(26 - 2(3x)\) C. \(6x - 28x + 10(x + 4) - 14\) D. \(-6x + 26\)

📝 Answered - Action Wheels manufactures models of antique cars for collectors. In August, it manufactured 300 model cars. In September, Action Wheels manufactured 5% fewer model cars than in August. What was the difference in the numbers of cars manufactured in August and September?

📝 Answered - What is the term for the equation \(5x + 10 = 24 - 2x\)?

📝 Answered - If you are paid $23.25 per hour, what is your annual salary? (Assume you work 40 hours each week of the year.)

📝 Answered - A plastic box is 15.3 centimeters long, 9.0 centimeters wide, and 4.5 centimeters high. What is its volume? Include units in your answer.

📝 Answered - Christy drove 270 miles in 6 hours at a constant speed. How long would it take her to drive 405 miles at the same speed?

📝 Answered - Which value of \( x \) is in the solution set of \(\frac{4}{3}x + 5 < 17\)? A. 8 B. 9

📝 Answered - There were 75 pebbles in boxes A, B, and C. After moving 28 pebbles from A to B, 24 pebbles from B to C, and 19 pebbles from C to A, there was an equal number of pebbles in each box. How many pebbles were in box A at the beginning?

📝 Answered - What is the sum of three fours and four threes?