Questions in mathematics

Questions in mathematics

[Answered] The larger of two numbers is 1 more than twice the smaller. The sum of the numbers is 20 less than three times the larger. Find the numbers.

[Answered] Evaluate the expression \( \frac{z}{3} - 5z + 4(z - 2) \) when \( z = 12 \).

[Answered] Why are 1, 4, 9, 16, and 25 sometimes called perfect squares?

[Answered] Write 6.25 as a fraction.

[Answered] What is the answer to this problem? \[\frac{7.5}{12} = \frac{4.2}{x}\]

[Answered] Find the slope of the line \(7x - 9y = 5\).

[Answered] Estimate the sum of 6416, 5734, and 4912 to the nearest thousand.

[Answered] How many triangles are in an octagon?

[Answered] What is 49% as a fraction?

[Answered] Jamal used \( \frac{1}{3} \) yard of ribbon to tie a package and \( \frac{1}{6} \) yard of ribbon to tie a bow. How many yards of ribbon did Jamal use in total?