HRS - Ask. Learn. Share Knowledge. Logo

Questions in mathematics

[Done] If [tex]f(x)=16 x-30[/tex] and [tex]g(x)=14 x-6[/tex], for which value of [tex]x[/tex] does [tex](f-g)(x)=0[/tex]?

[Done] Write or draw to explain why 1 hundred, 4 tens, and 14 tens name the same amount.

[Done] The volume of an oblique pyramid with a square base is [tex]$V$[/tex] units [tex]$^3$[/tex] and the height is [tex]$h$[/tex] units. Which expression represents the area of the base of the pyramid? A. [tex]$\frac{3 V}{h}$[/tex] units [tex]$^2$[/tex] B. ([tex]$3 V-h$[/tex]) units [tex]$^2$[/tex] C. ([tex]$V-3 h$[/tex]) units [tex]$^2$[/tex] D. [tex]$\frac{V}{3 h}$[/tex] units

[Done] $0.5(16-4x) = -0.25(6x-48)$

[Done] Solve the equation. Check the solution. [tex]$\frac{1}{4}(4 x-1)=-\frac{1}{7}-\frac{2}{7}$[/tex] [tex]$x=$[/tex] $\square$ (Simplify your answer.)

[Done] Problems 5-8: Find the complex zeros of each polynomial function. Use your results to write the polynomial as a product of linear factors. 5. [tex]$f(x)=x^3+2 x^2-7 x-14$[/tex] 6. [tex]$f(x)=x^4+6 x^2+8$[/tex] 7. [tex]$f(x)=x^4+4 x^2-32$[/tex]

[Done] For the function [tex]$f(x)=-3 x+3$[/tex] find [tex]$f(0)$[/tex].

[Done] The height of a rocket a given number of seconds after it is released is modeled by [tex]h(t)=-16 t^2+32 t+10[/tex]. What does [tex]t[/tex] represent? A. the number of seconds after the rocket is released B. the initial height of the rocket C. the initial velocity of the rocket D. the height of the rocket after t seconds

[Done] What number is $55 \%$ of 250?

[Done] Get a slanting crease on the paper. Now, try to get another crease that is perpendicular to the slanting crease. a. How many right angles do you have now? Justify why the angles are exact right angles. b. Describe how you folded the paper so that any other person who doesn't know the process can simply follow your description to get the right angle.