Questions in mathematics

Questions in mathematics

[Free] Solve this equation: \[5x - 3 = 7 - 3x\]

[Free] Help solve these equations: 1) \( 3y + 1 = 16 \) 2) \( 18 = 4k + 6 \)

[Free] Name two different numbers that round to 8.21 when rounded to the nearest hundredth.

[Free] Find the slope of the line passing through the points (-3, -2) and (3, 4).

[Free] Calculate the percentage decrease from 5.71 to 0.08.

[Free] Fiona and Camilla took a load of peaches to the farmer’s market. - During the first hour, they sold \(\frac{1}{2}\) of the peaches plus \(\frac{1}{2}\) of a peach. - In the second hour, they sold \(\frac{1}{3}\) of the remaining peaches plus \(\frac{1}{3}\) of a peach. - In the third hour, they sold \(\frac{1}{4}\) of what was left plus \(\frac{3}{4}\) of a peach. - During the final hour, they sold \(\frac{1}{5}\) of the peaches that were left plus \(\frac{1}{5}\) of a peach. Fiona and Camilla went home with 19 whole peaches. How many peaches did they take to the market?

[Free] Tickets to a play cost $5 for adults and $2 for children. If 1,750 tickets were sold for a total of $7,100, how many children's tickets were sold?

[Free] Simplify: \[ \frac{x^{-2} - y^{-2}}{x^{-1} - y^{-1}} \]

[Free] What is this equation? \[14y - 51 = 187 + 4y\] Is \(y = 17\) the solution to the equation? You need to show or explain how you know.

[Free] It takes Paul [tex] m [/tex] minutes to mow the entire lawn. After he works [tex] k [/tex] minutes, what part of the lawn is still unmowed?