2.5 is the geometric mean
Answer:
16.2
Step-by-step explanation:
r = k/x
72 = k/9
k = 72*9
When r = 40 ,
x = k/r
x = 72*9/40 = 16.2
<span>A. -2.6 > 2.521 false
B.-0.4 > -0.004 false
C.-8.0329 > -8.045 true
D.-36.5 > -36.07 false
answer
</span>C.-8.0329 > -8.045
Answer:
x² + 7x + 12
Step-by-step explanation:
1. (x +3)(x+4) - Distribute
2. x² + 4x +3x + 12 - Add like terms
3. x² +7x + 12