Answer:
the probability is 2/24 or 8.3%
Step-by-step explanation:
-6x + 3 + x - 7...when ur adding expressions such as this, and there is a plus sign in between them, the parenthesis are not needed.
we now combine like terms...
-6x + x = -5x
3 - 7 = -4
and we are left with : -5x - 4 <==
No because they 90 to 200 is 110 but 200 to 325 is 125
110 obviously does not equal 125
Answer:
1/4
Step-by-step explanation:
i think i might be wrong but im trying im not the best at this but there you go
Answer: 0.87 times per second (Or 52.2 times per minute)
Step-by-step explanation:
You need to make the conversion from minutes to seconds.
Remember that 1 minute has 60 seconds. Then 20 minutes to seconds is:

Find the number of times the heart beats in 1 second when it is rowing:

Find the number of times the heart beats in 1 second when it is resting:

Then the difference is:

(Or 52.2 times per minute)