Questions in mathematics

Questions in mathematics

📝 Answered - Jalen bought 4 bottles of water, 2 bags of chips, and a fruit salad. The cost of the fruit salad was $5. This expression was used to represent the amount Jalen should pay: [tex]4 x+2 x+5[/tex] Based on the expression, the cost of each bottle of water is ______ the cost of each bag of chips. A. four times B. two times C. less than D. the same as

📝 Answered - If [tex]$f(x)=\frac{1}{9} x-2$[/tex], what is [tex]$f^{-1}(x)$[/tex]? A. [tex]$f^{-1}(x)=9 x+18$[/tex] B. [tex]$f^{-1}(x)=\frac{1}{9} x+2$[/tex] C. [tex]$f^{-1}(x)=9 x+2$[/tex] D. [tex]$f^{-1}(x)=-2 x+\frac{1}{9}$[/tex]

📝 Answered - What is the simplest form of [tex]$\sqrt[4]{81 x^8 y^5}$[/tex]?

📝 Answered - Calculate the value of the expression: 79 - 10 × [2 + 3 × {12 - 6 (6 - 5) × 2} ÷ 20] Options: 1. 55 2. 57 3. 63 4. 59

📝 Answered - Find the length of side b. Given: - Angle A = 23° - Angle C = 125° - Side length between B and C = 7 Find the length of side b. Round to the nearest tenth.

📝 Answered - Solve the following inequality for x: 2x² + 5x < 3 Without solving the equation 2x² + 5x = 3, how would you know that it has two rational solutions? Calculate the percentages to find out in which assignment Tebogo performed the best. She obtained 64/75 for Assignment 1, 62/80 for Assignment 2, and 56/65 for Assignment 3. Find the solution set of \(\sqrt{(x+1)^2 + 3x} = 0\).

📝 Answered - Which of the following is a radical equation? [tex]x \sqrt{3}=13[/tex] [tex]x+\sqrt{3}=13[/tex] [tex]\sqrt{x}+3=13[/tex] [tex]x+3=\sqrt{13}[/tex]

📝 Answered - Use the expression to solve the problems. [tex]$P(1+r)^t$[/tex] The amount that results when [tex]$4,000$[/tex] is compounded at [tex]$6 \%$[/tex] annually over seven years. The interest earned in this case. [ ]

📝 Answered - What is the solution of $\sqrt[3]{x+8}=-4$?

📝 Answered - Tim explained a function in words and Paul wrote an equation. Tim: The amount of money in a savings account increases at a rate of $225 per month. After eight months, the bank account has $4,580 in it. Paul: [tex]y-1,400=56(x+26)[/tex] Whose function has the smaller [tex]y[/tex]-intercept? A. Tim's with a [tex]y[/tex]-intercept of $2,700 B. Paul's with a [tex]y[/tex]-intercept of $2,856 C. Paul's with a [tex]y[/tex]-intercept of $2,800 D. Tim's with a [tex]y[/tex]-intercept of $2,780