A ladder is 12 feet long. The base of the ladder is placed 3 feet away from a wall and the top of the ladder rests against the w
2 answers:
Answer:
Step-by-step explanation:
pythagorean theorum = a suqared plus b squared equals c squared. a= 3 and c = 12 so b is unknown in this case. 12 squared is 144 and then you subtract 3 squared which is 9 which is 135 so idk radical form but the answer of the equation is the square root of 135 which is approximately 11.619.
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Given equation : .
Strategy 1: We can cross mutiply both sides remove fraction form.
On cross multiplication, we get
x * 7 = 3 * 42
7x = 126.
Dividing both sides by 7, we get
<h3>x = 18.</h3>Strategy 2: We can find least common denominator(lcd) of both sides and multiplying both sides by that lcd to get rid denominators from both sides.
LCD of 42 and 7 is 42.
Therefore, multiplying both sides by 42, we get
x = 6 * 3
<h3>x = 18.</h3>