The answer is B
15 L of pure water must be mixed with 10 L of a 25% acid solution to reduce it to a 10% acid solution
Answer:
Arithmetic sequence
Step-by-step explanation:
We are given that
A(1)=9
We have to find first three terms and identify the sequence is geometric or arithmetic.
Substitute n=1
Then, we get
For n=2
For n=3
When the difference of consecutive terms are constant then the sequence is arithmetic sequence.
Therefore, given sequence is arithmetic sequence.
Answer:
B
Because the right side is double the number on the left
The answer is the second option, <ACE = <ECA.
This is because C is in the middle of both, so it's referring to the same angle. The other options are all comparing different angles, that aren't congruent, so they're incorrect.
Answer:
452 km is 452,000 meters
Step-by-step explanation:
This question can be solved using a rule of three.
1 km is 1000 meters.
How many meters are 452 km?
1km - 1000m
452km - xm
x = 1000*452
x = 452,000
452 km is 452,000 meters
