Questions in mathematics

Questions in mathematics

📝 Answered - [tex]\frac{4}{6} \div \frac{3}{12}[/tex]

📝 Answered - What is the following quotient? $\frac{\sqrt[3]{60}}{\sqrt[3]{20}}$

📝 Answered - Alejandro surveyed his classmates to determine who has ever gone surfing and who has ever gone snowboarding. Let A be the event that the person has gone surfing, and let B be the event that the person has gone snowboarding. Which statement is true about whether A and B are independent events? A. A and B are independent events because [tex]P(A | B) = P(A)=0.16[/tex]. B. A and B are independent events because [tex]P(A | B) = P(A)=0.75[/tex]. C. A and B are not independent events because [tex]P(A | B)=0.16[/tex] and [tex]P(A)=0.75[/tex]. D. A and B are not independent events because [tex]P(A | B)=0.75[/tex] and [tex]P(A)=0.16[/tex].

📝 Answered - On a number line, a number, $b$, is located the same distance from 0 as another number, $a$, but in the opposite direction. The number $b$ varies directly with the number $a$. For example $b=2 \frac{3}{4}$ when $a=-2 \frac{3}{4}$. Which equation represents this direct variation between $a$ and $b$? A. $b=-a$ B. $-b=-a$ C. $b-a=0$ D. $b(-a)=0$

📝 Answered - Factor the trinomial [tex]$20 s^2+31 s-7$[/tex] completely.

📝 Answered - Which of the following does the x-axis on a data graph usually represent? A. The independent variable B. The dependent variable C. Both the dependent and independent variables D. Neither the dependent nor the independent variables

📝 Answered - If the scale factor between two circles is [tex]$\frac{2 x}{5 y}$[/tex], what is the ratio of their areas? A. [tex]$\frac{2 x}{5 y}$[/tex] B. [tex]$\frac{2 x^2}{5 y^2}$[/tex] C. [tex]$\frac{4 x^2}{25 y^2}$[/tex] D. [tex]$\frac{4 x^2}{25 y^2}$[/tex]

📝 Answered - In which function is x = 2 mapped to 32? f(x) = -3x² - 4 g(x) = 4(x + 3)² - 68 h(x) = 3x j(x) = 2x - 62

📝 Answered - Write the square of numbers from 1 to 50 in your notebook. For example: 1² = 1 × 1 = 1 2² = 2 × 2 = 4 ......

📝 Answered - 1. 4 - 2 \frac{1}{2} = \frac{4}{1} - \frac{5}{2} = \frac{5}{2} - \frac{4}{1} - \frac{1}{2} 2. 6 - 3 \frac{1}{3} = \frac{6}{1} - \frac{10}{3} = \frac{10}{3} - \frac{6}{1} = \frac{4}{3} 3. 7 - 2 \frac{1}{4} 4. 5 - 4 \frac{1}{2} 5. 8 of 2 \times 4 \times 5 6. 2 \frac{2}{3} - 2 \frac{1}{4}