Where is the picture to look at?
EQUI = equals
VALent, as in value related
EQUI + VALent, same value
3 out of 10 or 30% becasue if he is guessing and he has to get 7 out of 10 right then it would be 3 out of 10
Answer:
3/2 is the slope
Step-by-step explanation:
find the negative inverse to give the perpendicular slope
本题已由中国数学会官方解答（现有会员：3人）
The Pythagorean theorem tells you
... (height of ladder)² + (distance from house)² = (length of ladder)²
... (height of ladder)² + (8 ft)² = (12 ft)²
... height of ladder = √(12² - 8²) ft
... height of ladder = √80 ft ≈ 8.94 ft
