Questions in mathematics

Questions in mathematics

[Jawaban] Barbara's goal is to practice piano 20 minutes for every 5 minutes of lessons she takes. If she takes a 20-minute piano lesson this week, how many minutes should she practice this week?

[Jawaban] A rectangular box has a square base. The combined length of a side of the square base and the height is 20 in. Let [tex]x[/tex] be the length of a side of the base of the box. Write a polynomial function in factored form modeling the volume [tex]V[/tex] of the box.

[Jawaban] Find integer problems that equal 36.

[Jawaban] The Lawn Order Lawnmower Factory can produce 12 lawnmowers in 8 hours. How many hours will it take the factory to produce 30 lawnmowers?

[Jawaban] How do you solve this problem: \[ \frac{W}{6} + \frac{5}{8} = -\frac{11}{8} \] I got this answer: -1 \(\frac{53}{64}\)

[Jawaban] An object is thrown upward at a speed of 121 feet per second by a machine from a height of 8 feet off the ground. The height \( h \) of the object after \( t \) seconds can be found using the equation: \[ h = -16t^2 + 121t + 8 \] 1. When will the height be 17 feet? 2. When will the object reach the ground?

[Jawaban] Four hundred grams of grass seed are used for every 100 m². Find the amount of seed needed, in kilograms, to cover 3000 m².

[Jawaban] What is the sum of \(\frac{3}{2}x\) and \(\frac{7}{4}x\)?

[Jawaban] What is the 10th term of the sequence: 5, 9, 13, 17?

[Jawaban] What is the fraction ten fourteenths in its simplest form?