What prism I think you forgot something
100+x (s)+68.25(t)=a
S=shirts
T=trophies
A=amount paid
Answer:
x = 5
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of squares on the other 2 sides, that is
x² + 12² = 13²
x² + 144 = 169 ( subtract 144 from both sides )
x² = 25 ( take the square root of both sides )
x =
= 5
You would need to do 10.5/3.5. This equals 3ft