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3 years ago

12

In 1985, American swimmer Tom jager completed a 50- meter freestyle swim in 22.40 seconds. In 1990, he was able to complete the

swim in 21.2 miles long. How many seconds slower was his 1985 swim?

1 answer:

puteri [66]3 years ago

6 0

Tom was slow by 1.2 seconds

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Joan found a large metal bar that weighed 36 grams. Joan was also able to determine that the bar had 18 grams of zinc. What perc

tatiyna

Answer:

The weight of the zinc in the metal bar was 50% of the weight of the metal bar .

Step-by-step explanation:

Weight of the metal bar ,M= 36 g

Weight of the zinc in the metal bar , m= 18 g

Percentage of zinc in the metal bar :

$=\frac{m}{M}\times 100$

$=\frac{18 g}{36 g}\times 100=50\%$

The weight of the zinc in the metal bar was 50% of the weight of the metal bar .

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4 years ago

What are the values of x for which the denominator is equal to zero for y = x+3/x²+4x

Arisa [49]

Answer:

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x² + 4 x = 0

x ( x + 2 ) = 0

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3 years ago

Andy has $261.81 left in his bank account after buying a tennis racquet and a can of tennis balls. The racquet cost $76.58 and t

marta [7]

Answer:

B. $352.00

Step-by-step explanation:

76.58+13.61=90.19

261.81+90.19=352

Answer: $352

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3 years ago

Savannah sets her watch 10.03 seconds behind and it falls behind another 1.09 seconds everyday. How many days has it been since

m_a_m_a [10]

Answer:

24

Step-by-step explanation:

36.19=10.03+1.09x

36.19-10.03=1.09x

26.16=1.09x

x=26.16/1.09

x=24

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3 years ago

Which type of stored energy is released when something burns?

krek1111 [17]

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Step-by-step explanation:

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3 years ago