Answer:
8 hours
Step-by-step explanation:
it says: The half portion stays in her body for 8 hours.
Answer:
84
Step-by-step explanation:
is x 140
---- SO ... ------- = --------
of 60 100
(hit like pls)
60*140=100x
8400=100x
/100 /100
-------------------
84 = x
Answer:
25
Step-by-step explanation:
(6^2+4)−15
(36+4)−15
40−15
25
21/50
21/50 is in its most simple form because it cannot be broken down any further.
Answer: 21/50
3<em>x</em> ² - 2<em>x</em> + 1 = 2<em>x</em> ² - 3<em>x</em> + 7
<em>x</em> ² + <em>x</em> - 6 = 0
(<em>x</em> + 3) (<em>x</em> - 2) = 0
<em>x</em> + 3 = 0 <u>or</u> <em>x</em> - 2 = 0
<em>x</em> = -3 <u>or</u> <em>x</em> = 2
