Answer:
D
Step-by-step explanation:
A) The dimensions are (x+10) by (x+10).
B) The perimeter is given by 4x+40.
C) The perimeter when x is 4 is 56.
The quadratic can be factored by finding factors of <em>c</em>, the constant, that sum to <em>b</em>, the coefficient of <em>x</em>. Our <em>c</em> is 100 and our <em>b</em> is 20; we want factors of 100 that sum to 20. 10*10=100 and 10+10=20, so those are what we need. This gives us (x+10)(x+10 for the factored form.
Since the dimensions are all (x+10), and there are 4 sides, the perimeter is given by 4(x+10). Using the distributive property we have 4*x+4*10=4x+40.
To find the perimeter when <em>x</em>=4, substitute 4 into our perimeter expression:
4*4+40=16+40=56.
If the radical, is the same in this case ✔️10, simply add or subtract the whole numbers or the coefficients of the radicals regularly, the solution would be 1✔️10 or simply ✔️10.
The last one
Step-by-step explanation:
the one with b=7 & h=5 because you have to multiply both numbers together , so you multiply and then see the smallest answer
I think the answer is 160, I'm not completely sure. Anyway, have a good day!
