Questions in mathematics

Questions in mathematics

[Free] Which of the following numbers are irrational? A. 0.3 B. $0.777 \ldots$ C. $\sqrt{5}$ D. $\pi$

[Free] The function $f(x)=68(1.3)^x$ represents the possible squirrel population in ark $x$ years from now. Each year, the expected number of squirrels is $\qquad$ umber the year before. A. 3 more than B. 1.3 times C. 3 times D. 0.3 times

[Free] Translation of 6 units to the right and 3 units down, translation of 6 units to the right and 3 units up, translation of 6 units to the left and 3 units up. [tex]m[/tex] the division: [tex]\frac{x^4-7 x^3-14 x^2-11 x+4}{x+1}[/tex] [tex]\begin{array}{l} 3-8 x^2-6 x-5+\frac{9}{x+1} \\ x^3-6 x^2-20 x-31-\frac{27}{x-1} \end{array}[/tex] B) [tex]x^3-8[/tex] D) [tex]x^3-[/tex]

[Free] Scientists studied a deer population for 10 years. They generated the function [tex]$f(x)=248(1.15)^x$[/tex] to approximate the number of deer in the population [tex]$x$[/tex] years after beginning the study. About how many deer are in the population 3 years after beginning the study? A. 251 B. 377 C. 856 D. 1,003

[Free] A parabola has the focus at $(4,6)$ and the directrix $y=-6$. Which equation represents this parabola? $(x-4)^2=24 y$ $(x-4)^2=\frac{1}{24} y$ $(x-4)^2=-24 y$ $(x-4)^2=-\frac{1}{24} y

[Free] What is the total profit that Mr. Brown's store made in 2012? A. $37,320.52 B. $37,324,46 C. $37,328.52 D. $37,329,46

[Free] For step 2: This means that $106 \%$ of the cost of the cooler is the total bill, $ \$7.95$. Now you can solve for the missing variable. (Divide the percent by 100 to get it in fraction form first.) $(106 / 100) \times 1=\$7.95$

[Free] Solve the system for $x$ and $y$. $\begin{array}{l} 8 x-y=48 \ 8 x-5 y=71 \end{array}$

[Free] Pattern Analysis: A sequence of numbers is formed by adding 3, then 5, then 7, and so on. If the sequence starts with 2, find the 10th term in the sequence. Explain your reasoning.

[Free] If the set of all a ∈ ℝ, for which the equation 3x² + (a - 6)x + (5/4)a = 3 has no real root, is the interval (α, β) and X = {x ∈ ℤ; α < x < β}, then \(\sum_{x \in X} x^2\) is equal to: