No because the sum could also be irrational number which for example it could be square root of 9 or 49
Hope this helps answer your question
If you are implying that the number is 15ft, yes. -15 would be 15 feet below.
Answer:
2x+10=-8
x=9
3x=9
x=3
2x=8
x=4
4x=20
x=5
Step-by-step explanation:
H = height of triangle
b = length of triangle base
A = area of triangle
Recall the formula for area of a triangle :
A = 1/2 bh
Plug in what was given in the problem :
h = b - 5
A = 42
A = 1/2 bh
42 = 1/2 b (b-5)
There the link %’sososksksks