Questions in mathematics

Questions in mathematics

[Answered] Larry and Steve have 171 marbles in total. The number of marbles Larry has is 39 fewer than [tex]\frac{3}{7}[/tex] of the number of marbles Steve has. How many marbles does Steve have?

[Answered] In scientific notation, what is the sum of [tex]2.3 \times 10^{-3}[/tex] and [tex]5.4 \times 10^{-4}[/tex]?

[Answered] If \(\cos(2x - 1) = \sin(3x + 6)\), then what is the value of \(x\)?

[Answered] How do you find the missing measurement for a parallelogram given that \( A = 34 \, \text{in}^2 \), \( b = 17 \, \text{in} \), and \( h = ? \)?

[Answered] Find the circumference of a circle whose radius is 15.4 cm.

[Answered] Jasmine's CD collection is composed of: - [tex]\frac{3}{8}[/tex] jazz - [tex]\frac{1}{4}[/tex] rap What fraction of her collection is rock music?

[Answered] A drawing of a surfboard in a catalog shows its length as \(8 \frac{4}{9}\) inches. Find the actual length of the surfboard if \( \frac{1}{2} \) inch length on the drawing corresponds to \( \frac{3}{8} \) foot of actual length.

[Answered] You have a piece of wood that is 7 3/4 feet long. You want to cut one piece that is 3 7/12 feet long and one piece that is 4 1/12 feet long. Do you have enough wood? Explain.

[Answered] All of the following expressions have a value between 0 and 1, except: a. \(\frac{(-3^{7})}{(-3)^9}\) b. \(4^{-10} \times 4^{6}\) c. \(\frac{(8^3)^3}{8^{-4}}\) d. \(\left( \frac{2}{5} \right)^{8} \times \left( \frac{2}{5} \right)^{5}\)

[Answered] In the step-by-step simplification of the expression below, which property is not used? 1. \(3(1+x)\) 2. \(3(x+1)\) 3. \(3(x) + 3(1)\) 4. \(3x + 3\) A. Associative B. Commutative C. Distributive D. Identity