Answer: x = 9
x = -5
Step-by-step explanation:
the first one! please let me know it its wrong
Answer:x=-8
Step-by-step explanation:
QUESTION
If x = 2n + 1, what is the value of x when n = 10?
EXPLANATION
To find the value of x when n is equal to 20, all you have to do is substitute n with 10 in the equation you are given.
<u>Substitute:
</u>
Your new equation is
Now you need to multiply the 2 and 10 to take out the parentheses.
Your new equation is
<u>Lastly, you have to add 20 and 1
</u>
That means your answer is x = 21
Answer:
I think is 8.787e+6 cubic inches.