By the Pythagorean theorem
50^2 = x^2 +(x +34)^2
2500 = 2x^2 +68x + 1156
x^2 +34x -672 = 0
(x -14)(x +48) = 0
x = 14 or -48
The distance from the wall to the base of the ladder is 14 ft.
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7-24-25 is a Pythagorean triple. The dimensions here are double those values. It can be handy to know a few of the Pythagorean triples, as that can let you write down the answers to problems without having to go through the equations.
Answer:
I think your answer would be B. let me double check
Answer:
D ≈ 0.925926 g/cm³
Step-by-step explanation:
Density = Mass / Volume
Step 1: Define
M = 25 g
V = (3 cm)³ = 27 cm³
D = ?
Step 2: Substitute and Evaluate for Density
D = 25g / 27 cm³
D = 25/27 g/cm³
D ≈ 0.925926 g/cm³
Answer:
-8 hours/week
Step-by-step explanation:
Erik = 4 hours/week
Little Brother = 12 hours/week
How many more hours does Eric ride his bike during the week than his little brother?
Erik - Little Brother = (4 hrs/wk - 12 hrs/wk)
Erik rides his bike -8 hours/week more than his little brother.
Answer:
21
Step-by-step explanation:
The height is 21 because it says it right there on the right.
