Questions in mathematics

Questions in mathematics

📝 Answered - 1. 18 l = ... dm³ 2. 12 cm³ 1.2 mm³ = ... mm³ 3. 1 m³ 79 dm³ = ... dm³ 4. 52 l 36 cm³ = ... cm³ 5. 2 m³ 10 dm³ = ... l 6. 36000 cm³ = ... dm³ 7. 11 dm³ 365 cm³ = ... cm³ 8. 12 dm³ + ... cm³ = 15 dm³ 72 cm³ 9. 45 l - ... dm³ 320 cm³ = 19 dm³ 680 cm³

📝 Answered - A shoe manufacturer has 5510 shoes for men. In addition, he has 1220 shoes for women. How many shoes are available in all?

📝 Answered - Create your own word problem: Make a fun math word problem involving fruits! Example: "Lila had 12 apples. She sold 8 apples. How many apples are left?"

📝 Answered - Prepare a frequency distribution with class intervals: less than or equal to 90, 90-110, 110-120, more than or equal to 120.

📝 Answered - Factor the following expression: [tex]$\begin{array}{l} 7 x^2+15 x+2 \\ ([?] x+[])(x+[]) \end{array}$[/tex]

📝 Answered - The number of cars sold at a dealership over several weeks is given below: $14, 23, 31, 29, 33$ What is the standard deviation for this set of population data? Standard deviation: $\sigma=\sqrt{\frac{\left(x_1-\mu\right)^2+\left(x_2-\mu\right)^2+\ldots+\left(x_N-\mu\right)^2}{N}}$

📝 Answered - Which statement is true for $\log _3(x+1)=2$? A. $x+1=3^2$ B. $x+1=2^3$ C. $2(x+1)=3$ D. $3(x+1)=2$

📝 Answered - Select all the correct answers. Which statements are true about function [tex]$f$[/tex]? [tex]$f(x)=\left\{\begin{array}{ll}\left(\frac{1}{3}\right)^x, & x \leq 1 \\-x^2+2 x-1, & x \textgreater 1\end{array}\right.$[/tex] A. Function [tex]$f$[/tex] is continuous. B. Function [tex]$f$[/tex] is decreasing over the entire domain. C. As [tex]$x$[/tex] approaches positive infinity, [tex]$f(x)$[/tex] approaches positive infinity. D. The domain of function [tex]$f$[/tex] is all real numbers. E. The value of [tex]$f(1)$[/tex] is 2.

📝 Answered - $\left.\frac{ \pm i \sqrt{5}}{6}\right\}$ B) $\left{\frac{-8 \pm i \sqrt{5}}{3}\right\}$ C) $\left{\frac{-4 \pm i n}{3}\right. $ e equation. $\sqrt{m+6}+6=m$ ual the sum of the solutions. Find $S$. B) $S=7$ C) $S=$ =13

📝 Answered - A chef uses $4 \frac{3}{4}$ cups of broth for 10 servings of soup. How much broth is used in one serving of soup? Let $x$ represent the amount of broth. equivalent ratios: $\frac{4 \frac{3}{4}}{10}=\frac{x}{1}$