Use Pythagoras theorem
11^2 = h^2 + 3^2 where h is the height of ladder agaianst the wall
h^2 = 11^2 - 3^2
=(11+3)(11-3) = 14 * 8 = 112
h = sqrt 112 = 10.58 ft
Answer:
72 trees.
Step-by-step explanation:
27 divided by 3 equals 9. so that means Matt can plant 9 trees in one hour so 9 is our unit rate ( what we multiply by) so now you multiply 9 by 8 and your answer is 72
Answer:
63
Step-by-step explanation:
Mean=Sum of all values/number of observation
=53+71+89+10+87/5
=310/5
=62