Answer:
x ≈ +15.3
Step-by-step explanation:
Because this is a right triangle, the Pythagorean Theorem applies:
8² + 13² = x² = 233, so that x = +√233, or approximately x ≈ +15.3
1) 2.4 · 103 = 247.2
2) 1.5 · 103 = 154.5
yes
no
20=0+5x
x=20/5
x=4
