Chris walked the dog for 80 minutes or 1 hour and 20 minutes
Answer:
D
Step-by-step explanation:
using the rule of exponents
•
=
/
, hence
=
/
→ D
Answer:
The true answer is " -3 < -1.
Step-by-step explanation:
I say this because these numbers are negatives. If you put them on a number line you can see that the bigger numbers are farther from the postitives. Postitive numbers are bigger so whatever is close to them is bigger. So because (-1) is closer to them it would be greater, which is what the symbol "<' states.
Answer:
E
Step-by-step explanation:
is the same as
· 
This can be simplified to 9 · 
And the square root of -1 is i,
so this equals 9i
Take a look at the attachment below. It proves that the inverse of matrix P does exists, as <u><em>option c,</em></u>
<u><em /></u>
Hope that helps!