Answer:
See below
Step-by-step explanation:
You could leave 47:3 as the improper fraction
or the mixed number
.
5/x = -9
5 = -9x (we have multiplied x out from the denominator)
5/-9 = x (divided by -9 to isolate x)
Answer:
3 to 9
second is 2.5 to 15
Step-by-step explanation:
Pythagorean theorem - a^2 + b^2 = c^2
2^2+3^2 = d^2
d^2 = 13
d= square root of 13
It would be the last one to add up to 180 witch is a triangle or supplementary
<span />