Answer:
several choices (see below and refer to attached))
Step-by-step explanation:
A chord is a straight line that have BOTH endpoints on the circumference
in our case, we have several chords, just pick one
RN
RP
MN
QN
PQ
If KJ = 33 and KN =
sqrt{10} " align="absmiddle" class="latex-formula"> , calculate the length of GJ.
1. 27
2.
3.
4. 54
also please show work on how you found your answer
1. 27
2.
3.
4. 54
also please show work on how you found your answer
1 answer:
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Answer:
15.
16. 10 ml of 20% saline and 40 ml of 10% saline
Step-by-step explanation:
A chemist takes x ml of 20% saline and y ml of 10% saline. In total, he takes
x + y ml that is 50 ml, so
There are ml of salt in x ml of 20% saline and
ml of salt in 10% saline. There are
ml of salt in 50 ml of 12% saline. Thus,
15. We get the system of two equations:
16. Solve this system. From the first equation:
Substitute it into the second equation: