Answer: (-4,9)
Step-by-step explanation:
Take the points and plot them on graph paper, revealing the midpoint
Answer:
Step-by-step explanation:
I'm fairly certain you have an error in your equation as the curve you suggests opens upward so has no maximum profit. Profit becomes positive on completion of the 7th unit. (curve crosses x axis at (6.056, 0))
I will GUESS that the equation should read
P(x) = - 2x² + 120x – 800
Maximum will occur when the derivative is zero (zero slope)
P(x) = -2x² + 120x – 800
P'(x) = -4x + 120
0 = -4x + 120
x = 30
P(30) = -2(30)² + 120(30) – 800
P(30) = $1000
The equation for perimeter is as following...
Perimeter = ∑ side lengths (sum)
26 = 12 + x + x - 4
∴ our answer is <span>x + x - 4 + 12 = 26</span>
Hello!
To find the height of a rectangular pyramid, you use the formula h=3(v/lw)
h= height (what we're trying to find)
v= volume
l= base length
w= base width
So, if you plug in everything, you'll see that the height is 14.
Want to check that you're correct? Use the formula V=lwh/3 to see if you get the same volume as before.
If you plug it in, you'll see that it's the same volume as before, so we have now found, checked, and proven the answer is 14!<span />
The perimeter of a shape is its length+width+length+width, or 2L+2W :).
So, in order to find the perimeter of Teresa's math book, she can add 2(28)+2(21).
Hope I helped! :)