Answer:
a) 29.45 cm (2 dp)
b) 220.89 cm² (2 dp)
Step-by-step explanation:
<u>Formula</u>



<u>Calculation</u>
Given:
- r = 15 cm


Sphere surface area is A=4pi*r^2. So r is sqrt(A/4pi)
r=4cm. So d=8cm
A graph shows ...
... absolute minimum: 5, at x=-1 and x=1
... absolute maximum: 8, at x=2
Answer:
6x-9
the- sign makes it a difference and the two terms are 6x and 9
Answer:
-43/4
Step-by-step explanation:
-10+(-3/4)
-10-3/4
-43/4
demical form: -10.75