Answer:

Step-by-step explanation:

To solve for the following substitute the value of x in the brackets into the above formula and solve for the value of x
<u>NB</u><u>:</u><u> </u> Absolute value of a negative number is the same number but positive.
So we have

Hope this helps you
Answer:
21 cm
Step-by-step explanation:
25-4=21
The explicit formula of the arithmetic sequence:

d - common difference
We have the recursive formula of an arithmetic sequence:

Therefore we have:

Substitute:

<h3>Answer: aₙ = 7 - 3n</h3>
Answer:
No
Step-by-step explanation:
How to solve :
(a-4)/(a^2+8a+12)*(a^2-2a-48)/(a^2+4a-32)
Factor:
a^2+8a+12 = (a+6)(a+2)
a^2-2a-48 = (a-8)(a+6)
a^2+4a-32 = (a+8)(a-4)
simplify a+6, and a-4
you are left with (a-8)/(a+2)(a+8) = (a-8)/(a^2+10x+16)