Questions in mathematics

Questions in mathematics

[Done] How many minutes are there from 7:41 to 8:22?

[Done] How to solve using elimination: 1. \(9x - 2y = -21\) 2. \(2x + 3y = 16\)

[Done] How do you solve for the expression \((24a + 56b)\)?

[Done] In meters, the sides of a triangle measure 14, 18, and 12. The length of the longest side of a similar triangle is 21 meters. a. Find the ratio of similitude of the two triangles. b. Find the lengths of the other two sides of the larger triangle. c. Find the perimeter of each triangle. d. Is the ratio of the perimeters equal to the ratio of the lengths of the sides of the triangles?

[Done] Which is greater, and why: [tex]\frac{2}{3}[/tex], [tex]\frac{5}{6}[/tex], or [tex]\frac{7}{9}[/tex]?

[Done] Luke jogged a total of 56.5 miles last week. If he jogged the same distance, \(d\), each day for 3 days and half that distance on each of the remaining days, write an algebraic equation that can be used to determine how many miles he jogged each day.

[Done] What is the mean value of 268, 1258, 900, and 654?

[Done] Marisol is painting on a piece of canvas that has an area of 180 square inches. The length of the painting is [tex]\frac{11}{4}[/tex] times the width. What are the dimensions?

[Done] Please help me solve these 2-step equation problems: 1. \(\frac{V}{4} - 3 = 5\) 2. \(\frac{U}{5} + 3 = 1\) 3. \(6 + \frac{z}{9} = 9\) 4. \(-7 + \frac{f}{2} = -1\) 5. \(9 + \frac{w}{4} = -5\) 6. \(\frac{e}{7} - 3 = -5\) 7. \(-8 + \frac{d}{5} = 2\) 8. \(\frac{U}{5} + 3 = 6\) 9. \(\frac{F}{-3} + 5 = 8\)

[Done] Simplify this expression: \(\frac{x^2+6x+5}{x^2-25}\)