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expeople1 [14]
3 years ago
9

The box for the cake in the shape of a cube with edges 9 inches in length .How many square inches of cardboard are needed to mak

e the box ?
Mathematics
1 answer:
Rasek [7]3 years ago
5 0

Answer:

486²in

Step-by-step explanation:

9×9=81 (gives you one face of the cube)

81×6=486 (there are 6 faces on a cube)

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$30,000/year with a 10% bonus

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2 years ago
Given the data presented in the bar graph, which age group represents 25% of the people at the family reunion? A) 10−19 B) 20−29
Dmitriy789 [7]

Answer:

B

Step-by-step explanation:

First you find the amount of people at the reunion which was 80. Then you find 25% of 80. 25% of 80 is 20. The only age group with 20 people is the 20-29 year olds.

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3 years ago
Three cube shaped boxes are stacked one above the other the volumes of two of the boxes are 1331 m³ each and the volume of the t
Pepsi [2]
So to find out the answer, you need to find out the dimensions of each cube. So for the 1331, it's 11 x 11 x 11. So you know that would be 11 meters high. Now the next cube. Then there's another 1331, so that would be another 11 meters high. Then 729, also 9 x 9 x 9, so that's going to be 9 meters high. Then add all the cube square roots. 11 + 11 + 9 = 31. So the height of the stacked boxes will be 31 meters.
5 0
3 years ago
Convert the following numbers of calories or
kap26 [50]

Answer:

  • 32.823 kJ
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  • 260.00 kJ
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Step-by-step explanation:

The conversion factor for food energy or thermochemical calorimetry* is ...

  1 calorie = 4.184 J

  1000 calorie = 4.184 kJ

__

a. 7845 cal = 7845·4.184 J = 32,823 J = 32.823 kJ

b. 4.55·10^4 cal = 4.55·10^4·4.184 J = 1.904·10^5 J = 190.4 kJ

c. 62.142 kcal = 62.142·4.184 kJ = 260.00 kJ

d. 43,024 cal = 43,024·4.184 J = 180,012 J = 180.012 kJ

_____

* The thermochemical calorie is defined in terms of the heat capacity of water. An international calorie of 4.1868 J is defined in terms of energy, without respect to the heat capacity of water.

6 0
3 years ago
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