What are two possible solutions form in the inequality 7 + m < 20?
1 answer:
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Answer:
x ≈ 17.5
Step-by-step explanation:
using Pythagoras' identity in the right triangle.
the square on the hypotenuse is equal to the sum of the squares on the other 2 sides , that is
x² = 9² + 15² = 81 + 225 = 306 ( take square root of both sides )
x = ≈ 17.5 ( to the nearest tenth )