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3 years ago

10 times 10 = ? 100 times 100 = ?

Mathematics

2 answers:

Gre4nikov [31]3 years ago

5 0

Answer:

10×10=100

100×100=10000

lubasha [3.4K]3 years ago

3 0

Answer:

10 times 10 = 100

100 times 100 = 10000

Step-by-step explanation:

10 times 10

= 10 x 10

= 100

100 times 100

= 100 x 100

= 10000

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Part 1: The speed of the boat traveling downstream is $(18+w)$ miles per hr.

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Part 2: The speed of the current is 4 miles per hour.

Explanation:

Part (1): The motorboat travels 18 miles per hour in still.

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When the boat travels downstream, the speed of the current will get added to the speed of the boat.

Thus, the expression can be written as $(18+w)$ miles per hr

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When the boat travels upstream, the speed of the current will get subtracted to the speed of the boat.

Thus, the expression can be written as $(18-w)$ miles per hr.

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The distance formula is given by $distance $=$ speed $\times$ time$

Substituting, we have,

$49=(18-w)t\\49=18t-wt$ ---------------(1)

$77=(18+w)t\\77=18t+wt$ ---------------(2)

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Dividing both sides by 36, we have,

$t=3.5$

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Thus, the speed of the current is $w=4$ miles per hour.

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