Answer: 31.5
Step-by-step explanation:
9*3.5=31.5
Hopefully this is what they meant
5 5/6 well since this only lets me put 20 wars i had to make this sentence
Answer:
A-no solution
Step-by-step explanation:
There are no values of x that make the equation true.
A half-life of the isotope is 15 days and at start its mass is 32 g.
A table:
t: m:
0 32 g
15 16 g
30 8 g
45 4 g
60 2 g
75 1 g
In the first column is used an arithmetic sequence ( a 1 = 0, d = 15 ).
In the second column is used a geometric sequence ( a 1 = 32, r = 1/2 )
Answer:
A.

Step-by-step explanation:
First find the sum

Now, find the probabilities:
Hence, the frequency distribution table is
