Questions in mathematics

Questions in mathematics

[Jawaban] What is \(\frac{23}{4}\) on a number line?

[Jawaban] Is [tex]8x + 9y = 10[/tex] a direct variation?

[Jawaban] Simplify the expression: \[ 2((x+1)^3 - (x+1)^2 + (x+1)) + 3 \]

[Jawaban] Are the ratios 55:100 and 66:120 equivalent?

[Jawaban] Is Alex correct in saying that if he rolls an odd number on the first number cube, it is more likely that he will roll an even number on the second number cube? Explain.

[Jawaban] PLEASE HELP!!! THERE IS A PICTURE ATTACHED Francisco is playing a game with 3 green, 2 yellow, 4 red, and 3 black marbles in a bag. He has calculated the probability of drawing a yellow marble, not replacing it, and then drawing a red marble. Explain the error in his solution.(the picture is Fransisco's work)

[Jawaban] You must roll a total of 9 on two number cubes to win the game. Alex must roll a 6. Who is more likely to win the game on the next turn? Explain.

[Jawaban] What is the first step in solving the quadratic equation [tex]x^2 - 40 = 0[/tex]?

[Jawaban] Cecilia created 2.5 liters of a chemical mixture for an experiment. Saline solution accounted for 12.5% of the mixture. How many liters of saline solution were in the mixture?

[Jawaban] Please help with the math problem by showing the steps to solve it. Solve the equation: \[ x^2 - 13x = -36 \]