I need help with this algebra question
2 answers:
Answer:
4.58258
Step-by-step explanation:
Pythagorean Theorem:
a² + b² = c²
Input:
2² + x² = 5²
Remember, c² is always the side opposite of the right angle...
4 + x² = 25
21 = x²
x = 4.58258
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-Chetan K
Answer:
Step-by-step explanation:
let the missing side be x , then
Using Pythagoras' identity in the right triangle.
x² + 2² = 5²
x² + 4 = 25 ( subtract 4 from both sides )
x² = 21 ( take the square root of both sides )
x = ≈ 4.6 ( to 1 dec. place )
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Answer:
28.26 
Step-by-step explanation:
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= 
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Seconds because one second is less than one minute
Answer:
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2y = x + 2
y = (x + 2)/2
Step-by-step explanation:
Here 6 - 8 = 4 - 6 = 2 - 4 = 0 - 2 = - 2
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Answer:
5x
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