| Topic | Problem | Solution |
|---|---|---|
| None | comparison of the masses (in $\mathrm{kg}$ ) of c… | Estimate the median of the masses from Box Plot A by finding the value that corresponds to the midd… |
| None | \[ w \propto d \] When $d=35$, the value of $w$ i… | Given that \(w \propto d\), which means \(w = k \times d\), where \(k\) is a constant of proportion… |
| None | $\log \left(x^{2}-7 x+11\right)<0$ | Rewrite the inequality as: \(x^2 - 7x + 10 < 0\) |
| None | Daisy and Harry have used different methods to sh… | Daisy's method: Round down both numbers: \(100 * 200 = 20,000\) |
| None | \begin{tabular}{|l|l|} \hline \multicolumn{2}{|l|… | Insufficient information provided to answer the question. |
| None | For the demand equation below, $x$ represents the… | Given the demand equation: \(2x + 4p - 32 = 0\) and \(p = 2\) |
| None | a) Show that $\angle D O A=105^{\circ}$ b) Show t… | \(\angle AOC = 180^\circ - \angle BOC = 180^\circ - 120^\circ = 60^\circ\) |
| None | 10. 2 different numbers are selected at random fr… | \(\binom{16}{2} = \frac{16 \times 15}{2} = 120\) |
| None | The next model of a sports car will cost $6.6 \%$… | Calculate 6.6% of the current price: \(0.066 \times 38,000 = 2,508\) |
| None | $2 x+1=4 x-7$ | Subtract 2x from both sides: \(4x - 2x = 2x + 1 - 2x\) which simplifies to \(2x = 1 + 7\) |
| None | QUADRATI(A) (Enem) No desenvolvimento de um novo … | Let $Q(t)$ be the quadratic function representing the quantity of the substance at time $t$. We hav… |
| None | 8.(8pts) Determine whether the series is absolute… | First, we will determine the convergence of each series using the appropriate tests: |
| None | 6. Two fishing boats have the same average speed … | Let the average speed of the boats in still water be x km/h. Since boat A is going downstream, its … |
| None | What is the common ratio and the ninth term for t… | Find the common ratio by dividing the second term by the first term: \(r = \frac{15}{5}\) |
| None | Name: 5. The function $Q=0.003 t^{2}-0.625 t+25$ … | \(Q = 0.003 t^{2} - 0.625 t + 25\) |
| None | Here is a set of data. \begin{tabular}{lll|l|l} 2… | Calculate the mean of the given data set: \(\frac{2.4 + 1.6 + 3.2 + 0.3 + 1.5}{5} = \boxed{1.8}\) |
| None | The Chocolate Dream store has just opened up and … | Given that the Chocolate Dream store sells 8 cakes in the first week and increases the number of ca… |
| None | Which term in the arithmetic sequence $9,4,-1, \l… | Given the arithmetic sequence: \(9, 4, -1, \ldots\) |
| None | $-5=-\frac{1}{x-1}$ | \( -5 = -\frac{1}{x-1} \) |
| None | 1. Determine vector and parametric equations of t… | Find the direction vector of the given line using the coefficients of the parametric equations: \((… |
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.