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Questions in mathematics

📝 Answered - What is the solution to $4^{\log _4(x+8)}=4^2$? A. $x=-8$ B. $x=-4$ C. $x=4$ D. $x=8$

📝 Answered - What is the equation of a circle centered at the origin with radius [tex]$13$[/tex]? A. [tex]$x^3+y^3=13$[/tex] B. [tex]$x^2+y^2=13$[/tex] C. [tex]$x^3+y^3=169$[/tex] D. [tex]$x^2+y^2=169$[/tex]

📝 Answered - Approximate the integral with your calculator. Round the answer to the nearest thousandth. [tex]\int_1^4(\ln x)^3 d x \approx[?][/tex]

📝 Answered - Consider the function $f(x)=6(x-4)^{2 / 3}$. For this function there are two important intervals: $(-\infty, A)$ and $(A, \infty)$ where $A$ is a critical number. $A$ is $\square$

📝 Answered - What are the possible outcomes when flipping two coins? A. HH, HH, HT, TH, TT, TT B. HH, HT, TH, TT C. HH, HT, TT D. HH, TH, TT

📝 Answered - John had $2/3$ of his homework complete, Sarah had $5/10$, Alex $7/8$, and Michelle $1/2$. Who completed the most of the homework assignment?

📝 Answered - Consider two independent random samples and use the following results to find the $95 \%$ confidence interval for the true difference between the population proportions. $n_1=576, \hat{p}_1=0.53 \text { and } n_2=599, \hat{p}_2=0.62$ Step 1 of 3 : Find the point estimate that should be used in constructing the confidence interval.

📝 Answered - What is the value of $\log _{27} 9$?

📝 Answered - Which function represents exponential decay? $f(x)=0.5 e^x$ $f(x)=0.5\left(\frac{5}{4}\right)^x$ $f(x)=\frac{5}{4}(0.5)^x$ $f(x)=\frac{4}{5}(2)^x$

📝 Answered - Evaluate. [tex](-2-2)^2+\left(\frac{-4}{4}\right)^3[/tex]