Answer:
Never
Step-by-step explanation:
If p is true and ~ q is false, then p -> ~ q is ____ false
This translates to:
true -> true
So it will never be false.
Answer: -3x^4-4
Step-by-step explanation: -3x^4+4-8 > =-3x^4-4
First one is 672 the second one is 1008 the third one is 1344 the last one is 1512
Answer:
The number is 8
Step-by-step explanation:
<em>2x +5 =21 </em>
2x= 21-5
2x=16
2x/2=16/2
x=8
To check
8×2=16
16+5=21
The area of a sphere: A = 4.π.R²
A= 5541.77 → 5541.77 = 4.π.R²
R² = (5541.77)/(4.π)
R² = 441; → R =√441; R = 21 cm