Answer:
You don't need to create 3 posts for a single question. I already answered it in your most recent one.
Step-by-step explanation:
<em>x² - 49 = 0 </em>
<em>or, x² - (7²) = 0</em>
<em>or, ( x + 7 ) ( x - 7 ) = 0</em>
<em>hope</em><em> </em><em>this</em><em> </em><em>answer</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>you</em><em>. </em>
Answer:
The number of dimes is 3n - 8
Step-by-step explanation:
Here, we are interested in writing an expression for the number of dimes.
We proceed as follows;
Now, there are n nickels with the number of dimes been 8 less than 3 times the number of nickels
That would be;
3(n) -8 = 3n -8
If the total area of the painting and the frame is 58 sq ft, we have the equation:
(8 + 2x)(7 + 2x) = 58
Expanding the equation,
56 + 30x + 4x^2 = 58
Combining like terms and arranging the equation, we have:
4x^2 + 30x - 2 = 0
Therefore, the answer is
C. 4x2 + 30x − 2 = 0
