Questions in mathematics

Questions in mathematics

[Answered] A sailboat is approaching a cliff. The angle of elevation from the sailboat to the top of the cliff is 35 degrees. The height of the cliff is known to be about 2000 m. How far is the sailboat away from the base of the cliff? Round your answer to 1 decimal place.

[Answered] Which formula would you use to find the total number of shaded triangles in the first 10 Sierpinski triangles? [tex]S_n=\left(1-3^{10}\right) /(-2)[/tex] [tex]S_n=\left(1-3^{10}\right) /(2)[/tex] [tex]S_n=\left(1-3^{10}\right) /(3)[/tex]

[Answered] What is the value of the 4th iterate of [tex]f(x)=\frac{3 x-1}{x^2}[/tex] if [tex]x_0=-2[/tex]? Round to three decimal places. A. [tex]x_4=-1.659[/tex] B. [tex]x_4=-2.041[/tex] C. [tex]x_4=-1.75[/tex] D. [tex]x_4=-2.096[/tex]

[Answered] Which is the ordered pair for the point on the $x$-axis that is on the line parallel to the given line and through the given point $(-6,10)$?

[Answered] Solve the equation for $a$. [tex]g=\frac{5(-4 r-d)}{2 a}[/tex]

[Answered] Find the roots of [tex]$f(x)=x^2+4 x+4$[/tex]

[Answered] Two factors of -48 have a difference of 19. The factor with a greater absolute value is positive. What is the sum of the factors?

[Answered] How many real solutions does the equation $\sqrt{3 x-1}=2 x-5$ have? A. 0 B. 1 C. 2 D. cannot be determined from the graph

[Answered] One gallon of floor paint costs $22.99 and can cover a 20-foot by 20-foot floor. How much would the floor paint cost to paint a 60-foot by 60-foot floor?

[Answered] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?