3 times the sum of a number and 5 (Write this word expression as an algebraic expression. Use x as your variable.
1 answer:
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To find the distance between her home and her latest position:
According to the question, the diagram is,
Consider the right triangle,
AB=120 km
BC=50 km
To find AC:
Using Pythagoras theorem,
Hence, the distance between the new position and her home is 130 km.
