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galben [10]
3 years ago
13

Edward wants to determine which skateboarder won a race. The actual time taken by four skateboarders to skate the same distance

is shown below:
Skateboarder A B C D
Time (in seconds) 4.28 4.24 4.26 4.25


If the stopwatch can measure to the nearest tenth of a second, which skateboarder will show as having a different time from the others?
Skateboarder A
Skateboarder B
Skateboarder C
Skateboarder D
Mathematics
2 answers:
ohaa [14]3 years ago
8 0

Answer:

skateboarder B

Step-by-step explanation:

Actual time taken by skateboards to skate are

4.28, 4.24, 4.26, 4.25 seconds.

If the stopwatch can measure to the nearest tenth of a second then the actual times will be recorded as

(A) 4.28 ≈ 4.3

(C) 4.26 ≈ 4.3

(D) 4.25 ≈ 4.3

(B) 4.24 ≈ 4.2

So skateboarder B will have different time from the others.

Leno4ka [110]3 years ago
3 0
Skateboarder B. 4.24 will show as a different time since the stopwatch rounds to the nearest tenth and to round up it has to be 0.5+ and to round down you need 0.4 or below and in this case Skateboarder B. has a time of 4.24 thus it has a different time than the other times.

I Hope this helped you!
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3 years ago
Norman and Suzanne own 42 shares of a fast food restaurant stock and 60 shares of a toy company stock. At the close of the marke
Ostrovityanka [42]

Answer: Restaurant: $34.50; Toy Company: $4.50

Step-by-step explanation:

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42r+60t=1719 represents the value of their stock portfolio.

r-t=30 represents that the restaurant stock was worth $30 more than the toy company stock.

We need to multiply the second equation by 60 to balance the terms out.  This gets us 60r-60t=1800.

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Now you need to divide both sides by 102 to remove the coefficient, getting you r=34.5.  This means that the price of the restaurant stock was $34.50.

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