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2 years ago

Nadia thinks of a number.

Mathematics

1 answer:

kogti [31]2 years ago

3 0

let the num be a

/a÷5=20

/a=20×5

/a =100

square root of 100 is 10

so the number is 10

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2 years ago

at the same time a 15 foot pole casts a 7.5 foot shadow a nearby tree casts an 11 foot shadow how tall is the tree

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