Answer:
pre-image also means domain
so the value of X is 5
so 5x = 5×5
the answer is 25
Answer:
3
Step-by-step explanation:
If 6 numbers have a mean value of 10, it means that the sum of the numbers divided 6 is equal to 10. This can be expressed as:
x÷6=10
x=60
The new number added will be the 7th number and now the mean is 9. You have to ask what number divided by 7 is equal to 9? This can be expressed as:
y÷7=9
y=63
63-60=3
So the new number added is 3
Answer:
4(6y + 22x)
Step-by-step explanation:
not sure if thats what you were looking for
Answer:
6.19
Step-by-step explanation:
I hope this helps you