Multiply 8.4 x 10.9 x 8.4 x 10.9 .. sorry if I’m wrong
Setup
0.8x + 0.4y = 50
0.1x + 0.2y = 10 - Multiply by -2 and add
get
0.6x = 30
x = 50 mg compound A
.1 (50) + .2y = 10
5 + .2y = 10
.2y = 5
y = 25 mg compound B
well, the movie lasted 1:38 so.... and she finished it at 1:10pm.
1:10pm minus 1 hour? 12:10pm.
12:10 pm minus 10 and minus 28 minutes? 12:10 - 00:10 = 12:00pm, 12:00 - 00:28 minutes = 11:32am.
D is the answer. Putting this because it has to be 20 characters
Answer:
The answer is 9(7x – 1).
Step-by-step explanation:
63x – 9
3 × 3 × 7 × x – 3 × 3
9(7x – 1)
Thus, The answer is 9(7x – 1).
<u>-TheUnknownScientist</u><u> 72</u>
