Answer:
1.She used square units instead of cubic units.
2.In calculating the volume of the pyramid, she did not multiply by 1/3.
4.She subtracted the pyramid volume instead of adding it.
Step-by-step explanation:
because i got it right on my test.
Answer:
a) 
b) 
c) 
Step-by-step explanation:
Given the curve

a) If the x-coordinate of P is
, then the y-coordinate is
so point P has coordinates 
If the x-coordinate of Q is
, then the y-coordinate is
so point Q has coordinates 
b) The gradient of the secant RQ is

c) If
then the gradient 
Interest rate= 0.083%
Step-by-step explanation:
Principal= $5000 Amount= $10000 Time period= 12 years
A=Amount, P= Principal, I= Simple Interest r= Rate of interest t= Time period

Answer:
C. hyperbola; 
Step-by-step explanation:
The given conic has equation:

Divide through by 225.


This is a hyperbola centered at the origin.
The hyperbola has been translated from the origin to (0,5).
The translated hyperbola will have equation;

Multiply through by 225.

Expand


Rewrite in general form;

