Questions in mathematics

Questions in mathematics

[Jawaban] A checking account is set up with an initial balance of $4800, and $400 is removed from the account each month for rent (no other transactions occur on the account). a. Write an equation that shows the amount of money in the account as the months pass. b. Make a table of values and a graph of what is happening to the money over time.

[Jawaban] A motorboat heads upstream a distance of 24 miles on a river whose current is running at 3 miles per hour. The trip up and back takes 6 hours. Assuming that the motorboat maintained a constant speed relative to the water, what was its speed?

[Jawaban] Melinda paints \(\frac{7}{8}\) of a wall in \(\frac{7}{6}\) hours. What part of a wall does Melinda paint in 1 minute?

[Jawaban] The quotient of two numbers is 20, and their sum is 84. What are the two numbers?

[Jawaban] If $8 is \(\frac{3}{5}\) of the bill, how much was the bill?

[Jawaban] The African bush elephant weighs between 4.4 tons and 7.7 tons. What are its least and greatest weights, rounded to the nearest ton?

[Jawaban] What is the answer and the work for the expression \(10 + 3(2v - 3)\)?

[Jawaban] What is the perimeter of a rectangle whose length is 2 m 10 cm and width is 45 cm?

[Jawaban] Carrie and Krystal are taking a road trip from Greenville to North Valley. Each person has her own map, and the scales on the maps are different. a. On Carrie's map, Greenville and North Valley are 4.5 inches apart. The scale on her map is 1 inch = 20 miles. b. The scale on Krystal's map is 1 inch = 18 miles. How far apart are Greenville and North Valley on Krystal's map?

[Jawaban] How many solutions are there for the equation \(8x + 11 = 8x + 8\)?