Ann and tom are in a 10-week reading program. ann reads 3 books each week. tom reads 4 books each week. how many more books does tom read at the end of 10 weeks than ann reads

step-by-step explanation:

this can be solved first with pythagorean theorem, which tells us to square both legs of the triangle and sum it. this will be equal to the square of the hypotenuse.

the hypotenuse is the side "opposite" the 90 degree angle, which is x.

so we can write using pythagorean theorem,

simplifying:

to further simplify this radical, we need to use the property  

thus

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