Answer:
B.)8ft
Step-by-step explanation:
Set up a proportional to the roof slope:
2/5 = x/20
Cross multiply:
40/5 = 5x/5
x=8ft
Answer:
£22
Step-by-step explanation:
Area to be painted
4walls - door
a = 4(2.6 * 3.5) - 2.2 * 0.8
a = 34.64 m²
Paint needed
p = 34.64 / 8
p = 4.33
Must round up
p = 5 liters
Tins needed
t = 5/2
t = 2.5
must round up
t = 3
Cost
since 1 is free with 2 will pay for 2
c = 11 * 2
c = 22
£22
Answer:
4.77
if u use 3 for pie its 5
Step-by-step explanation:
formula is d=c/pie
so d=15/pie
d=4.77
Answer:
Step-by-step explanation:
-8x^2 - 12 + 7x^2 - 9x + 3
-x^2 - 9x - 9