Answer:

Step-by-step explanation:



Substitute
into second equation:




Substitute
and
into the third equation:



Substitute
into
:

Plug in y and z values into
:

To find the time in which all the bells ring together, we need to find the LCM of 36,40,48.
Prime factorization of 36=2×2×3×3
Prime factorization of 40=2×2×2×5
Prime factorization of 48=2×2×2×2×3
Hence, LCM of 36,40,48=2×2×2×2×3×3×5=720 seconds.
720seconds=
60
720
minutes=12minutes
Hence, all the bells will ring together after 12 mi
Answer:
-3/2
Step-by-step explanation:
Answer:
mean 11.14
Median 10
mode 10.
Explanation
Mean is sum of data divide by number of data.
Mode is the most appearing number.
Can salvage 15c+ -15c is 0 + 8 is still 0