11.3x + 7.2 = 86.3
11.3x + 7.2 (-7.2) = 86.3 (-7.2)
11.3x = 79.1
11.3x/11.3 = 79.1/11.3
x = 7
7 is your answer
hope this helps
Answer:
with what? do you need help with?
Answer:
you find the sum by adding a "0" at the end of "4.2" and the stack add them (or however you can add them).
Step-by-step explanation:
4.20
+ 2.14
= 6.34
The problem ask to calculate the size of the sample space of this two-stage experiment. Base on the data given and with my calculation. I came up with an answer of that the sample space is 2 times 26 and the size if 52. I hope this helps
The answer would be better D.