Answer:
With the increase of the value of a ,the value of the expression 20+a will also increase.
Step-by-step explanation:
Answer:
-41
Step-by-step explanation:
You would replace all x's with -9 and solve.
The general formula for the lateral surface area of a regular pyramid is:

Where:
p=perimeter of a base
l=slant height
a.
a=3ft
l=4ft
p=5*a=5*3=15ft

b.
a=2.5ft
l=4ft
p=6*a=6*2.5=15ft

c.
a=1.9ft
l=4ft
p=8*a=8*1.9=15.2ft

d.
Based on a lateral surface area the blue umbrella is best choice. But, the best umbrella overall is the one with the greatest base area. General formula for regular polygon is:

For pentagon:
A=15.48ft^2
For hexagon:
A=16.24ft^2
For octagon:
A=17.43ft^2
Blue umbrella is still best choice.
-24x + 8y = 16
+24x +24x
8y = 16 + 24x
8y/8 = 16/8 + 24x/8
y = 2 + 3x
Answer: y = 2 + 3x
Answer:
I don't think any of those answers represent pi
first of all the circumference of the circle is pi* diameter since the circumference of the circle is 43.96 feet and the diameter is 14 feet the equation would look like this 43.96=14*pi,pi=43.96/14,so that means the pi would obviously be 3.14
I´m pretty sure I´m correct.