| Topic | Problem | Solution |
|---|---|---|
| None | Find the exact solution of the equation. \[ 20 \c… | Given the equation \(20 \cos ^{-1} x-4 \pi=4 \cos ^{-1} x\). |
| None | Score on last try: 0 of 1 pts. See Details for mo… | First, we need to calculate the mean of the distribution. The mean is calculated as \( \mu = \sum x… |
| None | A wooden artifact from an ancient tomb contains 5… | Given that the wooden artifact from an ancient tomb contains 50 percent of the carbon-14 that is pr… |
| None | Let $g(x)=\frac{1}{8} x^{3}+\frac{1}{2} x-\frac{1… | Let \(g(x)=\frac{1}{8} x^{3}+\frac{1}{2} x-\frac{1}{4}\) and let \(h\) be the inverse function of \… |
| None | Find the exact value of the expression. \[ \cot ^… | The problem is asking for the exact value of the expression \(\cot ^{-1}(0)\). |
| None | (15) The time $t$ taken to buy fuel at a petrol s… | Given that the time $t$ taken to buy fuel at a petrol station varies directly as the number of vehi… |
| None | What are the zeros of the function $f(x)=x^{2}+2 … | The zeros of a function are the x-values for which the function equals zero. In other words, they a… |
| None | Question For positive acute angles $A$ and $B$, i… | We are given that \(\tan A = \frac{9}{40}\) and \(\cos B = \frac{28}{53}\). |
| None | Use a calculator to evaluate the expression. \[ \… | The question is asking to evaluate the expression \(\frac{\ln \frac{61}{14}}{0.08}\). |
| None | Use a calculator to evaluate the expression. \[ \… | Calculate the natural logarithm of 10 and multiply it by 2, which gives \(2 \ln 10 = 4.605170185988… |
| None | If $-k+78=98-20$, then what is the value of $k ?$… | Understand the problem. The problem is asking us to solve for the variable 'k' in the equation \(-k… |
| None | Qulz Activo Which could be used to evaluate the e… | Distribute -6 to both 4 and \(\frac{2}{3}\), which gives us \((-6)(4)+(-6)\left(\frac{2}{3}\right)\… |
| None | Solve the equation for x: 2) $-7 x+5 x-3=3 x$ | The given equation is \(-7x + 5x - 3 = 3x\). |
| None | The radioactive substance uranium- 240 has a half… | The radioactive substance uranium-240 has a half-life of 14 hours. The amount \(A(t)\) of a sample … |
| None | Complete the sentence below. The sine, cosine, co… | The sine, cosine, cosecant, and secant functions are periodic functions with a period of $2\pi$. Th… |
| None | Use the fact that the trigonometric functions are… | \(\sin(x + 2\pi) = \sin(x)\) for any real number \(x\) |
| None | Let $f(x)=\frac{20}{x^{2}+1}$. Enter an antideriv… | Let \(f(x)=\frac{20}{x^{2}+1}\). |
| None | Is the cosine function even, odd, or neither? Is … | The cosine function is an even function, which means that \(\cos(x) = \cos(-x)\) for all x. |
| None | Linear Equations and Inequalities Finding the mul… | Given that the house was initially valued at $261,000 and the value decreased by 8%, we need to fin… |
| None | you are orderning shirts for the math club at you… | First, we need to understand the given equation \(8x + 20y = 200\), where \(x\) is the number of sh… |
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