| Topic | Problem | Solution |
|---|---|---|
| None | Na figura abaixo, sabe-se que $|\overrightarrow{A… | First, we draw a diagram. We extend $\overrightarrow{CB}$ and $\overrightarrow{DA}$ to meet at $E$.… |
| None | The number 43210 contains the combination "32"; t… | Consider the possible positions of '32' in the 5-digit number and count the number of possibilities… |
| None | a) $\frac{3 x}{4}-\frac{2 x}{3}=\frac{1}{2}$ | Rewrite the equation with a common denominator of 12: \(\frac{9x}{12} - \frac{8x}{12} = \frac{1}{2}… |
| None | 2. What is the consumption burden for $Y=150$, $G… | Given the values for Y, G, I, X, and mpc: Y = 150, G = 10, I = 10, and X = 10. |
| None | Ex: The mean shelf life of a spice is 13.4 weeks … | Given: mean (\(\mu\)) = 13.4 weeks, standard deviation (\(\sigma\)) = 1.8 weeks |
| None | b) $0,028 \cdot 5+\sqrt{0,0016}-(-0,5)^{2}+2,4: 0… | \(0.028 \cdot 5 = 0.14\) |
| None | volume of a sphere $=\frac{4}{3} \pi r^{3}$, wher… | We are given the volume of the sphere and we need to find the radius. We can use the formula for th… |
| None | Write an equation for the sum of the angles in th… | \(x + 2x + 5x = 180^\circ\) |
| None | $\left[-4^{3}\right]^{-7}$ | \(-4^3 = -64\) |
| None | 11. Complete the table. [3] \begin{tabular}{|c|c|… | \(V(x) = 20(1.05)^x\) |
| None | 10. The graph of $y=f(x)=b^{x}$, where $b>1$, is … | First, let's understand the meaning of the problem. We are given a function $y=f(x)=b^x$, where $b>… |
| None | b) $\left(\frac{-64}{27}\right)^{-\frac{1}{3}}=$ | Find the cube root of the given fraction: \(\sqrt[3]{\frac{-64}{27}}\) |
| None | If it takes a crew of 5 workers 14 hours to clean… | Let the work done by 1 worker in 1 hour be \(x\). So, the work done by 5 workers in 14 hours is \(5… |
| None | Which equation is not an equation of a line? \[ 2… | Check each equation to see if it can be written in the form \(y = mx + b\), where \(m\) is the slop… |
| None | $M$ is directly proportional to $r^{2}$ When $r=2… | \(M = kr^2\) |
| None | Use of annuities Example 7 Jessica takes out a ca… | \(A = P(1 + \frac{r}{n})^{nt}\) |
| None | 2 Resolva as equações a) $\frac{3 x}{4}-\frac{2 x… | Find a common denominator for the fractions: \(\text{lcm}(4, 3) = 12\) |
| None | 12. Ashlley was asked by her Math teacher to find… | Let the two numbers be x and y, such that y - x = 8. |
| None | $y$ is inversely proportional to $x$. When $y=7, … | Since $y$ is inversely proportional to $x$, we have $y = \frac{k}{x}$ for some constant $k$. |
| None | (a) $\log 14$ | Find the logarithm of 14 with base 10: \(\log_{10}(14)\) |
Here you can find problems in different subjects and step-by-step solutions provided by Solvely, including problems from mathematics, physics, chemistry and other subjects, covering different knowledge points. These problems help you understand and learn knowledge points, such as geometry, algebra, equations, fractions, and exponents, etc. If you have problems that you want to solve, you can also download Solvely to get step-by-step answers.