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4 years ago

14

In the 2010 Winter Olympics, the American speed skater Apolo Ohno won the silver medal in the 1,500 meter race. How many kilomet

ers was the race?
1.5 kilometers
15 kilometers
0.15 kilometers
150 kilometers

2 answers:

AnnyKZ [126]4 years ago

7 0

Answer: 1.5 kilometers

Step-by-step explanation:

Given : In the 2010 Winter Olympics, the American speed skater Apolo Ohno won the silver medal in the 1,500 meter race.

We know that 1 kilometer = 1000 meters

By UNITARY METHOD , $1\text{ meter}=\dfrac{1}{1000}\text{ kilometer}$

Then,

$1\text{ 1500 meter}=\dfrac{1500}{1000}\text{ kilometer}=1.5\text{ kilometer}$

Hence, the race was 1.5 kilometers.

bogdanovich [222]4 years ago

5 0

1000 meters= 1 kilometer so your answer is 1.5 kilometers

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The area of ABED is 49 square units. Given AGequals9 units and ACequals10 units, what fraction of the area of ACIG is represent

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Step-by-step explanation:

see the attached figure to better understand the problem

step 1

In the square ABED find the length side of the square

we know that

AB=BE=ED=AD

The area of s square is

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where b is the length side of the square

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substitute

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step 2

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step 3

Find the area of shaded rectangle DEHG

The area of rectangle DEHG is equal to

$A=(DE)(DG)$

we have $DE=7\ units$

$DG=AG-AD=9-7=2\ units$

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step 4

Find the area of shaded rectangle BCFE

The area of rectangle BCFE is equal to

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step 5

sum the shaded areas

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step 6

Divide the area of of the shaded region by the area of ACIG

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Simplify

Divide by 5 both numerator and denominator

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