VincenTragosta - Tanya, Jawab, dan Belajar Tanpa Batas Logo

Questions in mathematics

[Terjawab] Simplify [tex] \frac{x^2-6x}{x^2-36} [/tex]

[Terjawab] How much would $100 invested at 8% interest compounded continuously be worth after 15 years? Round your answer to the nearest cent. [tex]A(t)=P \bullet e^{rt}[/tex] A. $285.67 B. $332.01 C. $220.00 D. $317.22

[Terjawab] The volume of a fish tank is 40 cubic feet. If the density is [tex]$0.4 \frac{\text { fish }}{\text { feet }^3}$[/tex], how many fish are in the tank?

[Terjawab] Solve $x^2-24 x=-80$ by completing the square. What is the solution set of the equation? {2,40} {4,20} {5,16} {8,10}

[Terjawab] Find the domain and range of the function $\frac{-2 x(x+3)^2(x+2)}{3 x(x+2)(x+3)^2}$. A. $D:(-\infty,-3) \cup(-3,-2) \cup(-2,0) \cup(0, \infty) R:(-\infty, 0) \cup(0, \infty)$ B. $D:(-\infty,-3) \cup(-3,-2) \cup(-2, \infty) R:(-\infty, 0) \cup(0, \infty)$ C. $D:(-\infty,-3) \cup(-3,-2) \cup(-2, \infty) R:(-\infty, 2 / 3) \cup(2 / 3, \infty)$ D. $D:(-\infty,-3) \cup(-3,-2) \cup(-2,0) \cup(0, \infty) R:(-\infty,-2 / 3) \cup(-2 / 3, \infty)$

[Terjawab] Which statement describes how the graph of the given polynomial would change if the term [tex]$2 x^5$[/tex] is added? [tex]$y=8 x^4-2 x^3+5$[/tex] A. Both ends of the graph will approach negative infinity. B. The ends of the graph will extend in opposite directions. C. Both ends of the graph will approach positive infinity. D. The ends of the graph will approach zero.

[Terjawab] Which graph shows the solution to the system of linear inequalities? [tex]\begin{array}{l} 2 x-3 y \leq 12 \\ y\ \textless \ -3 \end{array}[/tex]

[Terjawab] Suppose that a certain car has the following average operating and ownership costs: | | | | | :--------- | :--------- | :---- | | | | | | Operating | Ownership | Total | | [tex]$0.26[/tex] | [tex]$0.72[/tex] | [tex]$0.98[/tex] | a. If you drive 30,000 miles per year, what is the total annual expense for this car? b. If the total annual expense for this car is deposited at the end of each year into an IRA paying [tex]8.2 %[/tex] compounded yearly, how much will be saved at the end of six years? Use the formula [tex]A =\frac{P\left[\left(1+\frac{r}{n}\right)^{n t}-1\right]}{\left(\frac{r}{n}\right)}[/tex]

[Terjawab] Which polynomial lists the powers in descending order? A. $x^8+10 x^2+8 x^3+3 x^6-2$ B. $x^9+3 x^6+8 x^3+10 x^2-2$ C. $3 x^6+10 x^2+x^8+8 x^3-2$ D. $10 x^2+8 x^3+x^8-2+3 x^6$

[Terjawab] Which addition expression has the sum $8-3 i$? A. $(9+4 i)+(-1-7 i)$ B. $(7+2 i)+(1-i)$ C. $(7+4 i)+(-1-7 i)$ D. $(9+2 i)+(1-i)$