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Mnenie [13.5K]
2 years ago
5

Read and solve quickly please

Mathematics
2 answers:
REY [17]2 years ago
4 0
I believe the answer is 21
max2010maxim [7]2 years ago
3 0
Answer: 69

Explanation: funny number
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Step-by-step explanation:

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A scale has a percent error of 7%. The scale reads the mass of a book as 450g. Which statement describes what the actual mass of
ozzi

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The actual mass of the book is between  481 . 5 g and 418 . 5 g.

Step-by-step explanation:

The mass of the book on the scale = 450 g

The percentage error in the scale = 7%

So, the actual mass of the book is 450 g ± 7%

Now, 7 % of  the mass 450 g = \frac{7}{100}  \times 450 = 31.5

⇒ 7% of 450 g = 31.5 g

Now, the Actual mass of the book =  450 g ± 31.5 g

450 g + 31.5 g   = 481 . 5 g

450 g - 31.5 g    = 418 . 5 g

Hence the actual mass of the book is between  481 . 5 g and 418 . 5 g.

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3 years ago
A prism is completely filled with 3996 cubes that have edge lengths of 13 in.
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