Answer:
126.4 cm
Step-by-step explanation:
1. 15.8 * 3 = 47.4 (This is the length)
2. Find half of the rectangle
47.4 + 15.8 (width) = 63.2
3. Find the whole perimeter
63.2 * 2 = 126.4
Dr. Newton needs 5000 dollars, and 3000 dollars have already been saved. So, 2000 dollars remain.
If these 2000 dollars must be saved withint 8 months, we can divide the amount needed by the time given, to find out that Dr Newton needs to save

dollars each month.
Answer:
The figure above is congruent by SSS axiom.
AB=DE (S)
AC=EF(S)
BC=DF(S)
Hence the given triangle are congrent.SSS axiom is Side.Side.Side axiom.
I think it will help you.
Answer:
<u>3(x^3 + 5x)^2 - 4 </u> (please mark brainliest)
Step-by-step explanation:
plug g equation into x values of f equation
f equation = 3(x)^2 - 4
^g goes here
So....
3(x^3 + 5x)^2 - 4
^ g goes here