Set the expressions equal to each other:
2x + 3 = 3x + 1
x = 2
Answer:
146.63 grams.
Step-by-step explanation:
The mass percent that remains after every minute is 100%-18.8 = 81.2% of the initial mass. This means after 1 minute the mass remaining is
After 2 minutes, the mass reaming is
After 3 minutes
so we see the general pattern: the grams remaining after minutes are
Now after 7 minutes the grams remaining are
146.63 grams.
Answer:
13
Step-by-step explanation:
If 169 m² is the area of a square, then the length of the side is
√(169 m²) = 13 m
Answer:
5h
Step-by-step explanation:
If Sarah has five times the amount of homework as yesterday,
the expression will be set up as
5 times (The amount of homework yesterday) - also known as h
<em>Therefore, the expression is simplified as</em>
5h
Answer: 5; PO
6; PM
7; MNO
8; QN
9; OQ
10; PQO
Step-by-step explanation: