Questions in mathematics

Questions in mathematics

[Done] How do you solve the proportion: \[ \frac{11}{5.9} = \frac{15}{x} \] (Note: To solve for \(x\), use cross-multiplication.)

[Done] In a game of checkers, there are 12 red pieces and 12 black pieces. Julio is setting up the board to begin playing. What is the probability that the first two checkers he pulls from the box at random will be two red checkers?

[Done] What is \(\frac{6 \times 3}{8}\) in a simplified fraction? How do you calculate it?

[Done] Rosa is thinking of a number between 9.04 and 9.15 that has a 6 in the hundredths place. What is the number? Explain.

[Done] What is the median of the following 7 scores? 42, 67, 33, 79, 33, 89, 21 Can someone explain how to find this step by step?

[Done] Simplify and identify the x-values for which the expression is undefined. \[ \frac{4x - 8}{x^2 - 2x} \]

[Done] Factor the expression with two variables: \[6w^4 - 54w^2\]

[Done] Solve [tex]x^2 - 14x + 21 = 0[/tex] by completing the square.

[Done] About \(\frac{7}{10}\) of the human body is water. How many pounds of water are in a person who weighs 120 pounds?

[Done] Find the constant of variation for this equation: \[ A = \frac{1}{2} \times b \times h \] Write your answer in decimal form.