a) Find a formula for the height of the printed area (h) in terms of its width (w). b) Show that the total area (A) of the entire notice board (including the margins) is given by: 8000 A = 820 + 20w +9 W c) Find the dimensions of the entire board (including the margins), which minimizes the quantity of board required. d) Check that these dimensions indeed give a minimum value as opposed to a maximum. h W

Q: Solve x^2 +6x ≤ -5. Show your work

A: Solution of equations

Q: Find Tim -5 lim-p 5 X ← √x² +9 2 x² +9

A:

Q: solve 5x^3-12x^2\le 11x-6 use interval chart

A: To solve the inequality using interval chart, rewrite the inequality of the form fx≤0. Factorize the…

Q: Solve x^2 + 3 x - 9 =0

A: The given equation is,

Q: Is equation, odd, even or negative?

A:

Q: I put 2 solution but I could be wrong

A: Number of solution is 2..

Q: the product of seven less than a number and eight in varibale expression form, not simplified and…

A: We find veriable expression of this given problem. The product of seven less than a number and…

Q: Write all solutions to x^2 = -100

A: x^2=-100 x=+-sqrt(-100) x=+-10sqrt(-1) we know that i=sqrt(-1) then value of x given by- x=10i and…

Q: -8 ventex= X -int=

A: The given quadratic function,   f(x)=2x2+6x-8

Q: Evaluate: 6x -8x +18x-27 x* +9x?

A: This integral can be solved by the method of Partial fractions. The process is explained in step 2.

Q: Replace the question mark with either> or <. 1 5x + 4y[?]20 and 2x - 6y[ ]12

A: To replace the question mark with either &gt; or &lt;. 5x+4y?20 and 2x-6y?12