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Lena [83]
3 years ago
6

Write 81.9 as a mixed number.

Mathematics
1 answer:
Digiron [165]3 years ago
6 0

Answer:

81 9/10

Step-by-step explanation:

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A store buys frozen burritos from a supplier for $1.40 each. The store adds a markup of 80% to determine the retail price. This
boyakko [2]
$1.40  -  price from a supplier = 100%
100% + 80% = 180% = 1,8  -  the retail price

1,40 * 1,8 = $2,52 - the retail price 

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2,52 * 0,75 = $1,89  -   the sale price.


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3 years ago
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2 years ago
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Some farms use a hay elevator to move bales of hay to the second story of a barn loft. The bottom of the elevator is 9 meters fr
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Answer: The height is 6.07 meters

Step-by-step Explanation: The distance between the elevator and the bottom of the barn is given as 9 meters. Also for the hay elevator to move bales of hay to the second story of the barn lift it makes an angle of elevation of 34 degrees with the ground. With these we can derive a right angled triangle with the reference angle as 34 degrees, the side facing it which is the height or h (opposite) is yet unknown, and the side between the reference angle and the right angle (adjacent) is 9. We shall apply the trigonometric ratio as follows;

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Therefore the approximate height of the barn to the ground is 6.07 meters

3 0
3 years ago
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Suppose a deep sea driver dives from the surface to 248 feet below the surface. He then dives down 10 more feet. Use integers yo
Akimi4 [234]

Answer:

Initial dive: - 248 (below the surface which represents '0')

Second dive: -10

Present depth -248 + -10 = -258 feet below the surface

Step-by-step explanation:

We can use negative integers to represent real-world scenarios such as in elevation and descent, bank account balances and temperatures.  In this case, because a diver is descending below the surface of the water, the surface of the water represents the '0' and going down into the water would be negative integers.  So, his initial dive is 248 down, or negative 248 (-248), he then dives down an additional 10 feet, or negative 10 (-10).  Since the second dive is in addition to his initial dive, we add the two integers together:

-248 + -10 = -258 feet

5 0
3 years ago
Pls answer 10 and 12 show your work
LiRa [457]
14 is the answer to number 10

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3 years ago
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