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iren [92.7K]
3 years ago
14

A solid aluminum cube has sides each of length L . A second cube of the same material has sides four times the length of the fir

st cube; i.e., 4 L . Compared to the first cube, the total surface area of the second cube is
Mathematics
1 answer:
Alenkasestr [34]3 years ago
5 0

Answer:

Compared to the first cube, the total surface are of the second cube is 16 times larger.

Step-by-step explanation:

The first cube has L*L*6=6L²

The second cube has 4L*4L*6=14L²*6=84L²

Compared to the first cube, the total surface are of the second cube is 16 times larger.  (6*16=84)

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The sum of two numbers is 82. The larger number is eight less then five times the smaller number. What are the numbers?
bonufazy [111]

Answer:

The smaller Number = 15

The larger number = 67

Step-by-step explanation:

Let

The smaller number = x

The larger number = 5x - 8

The sum = 82

(5x - 8) + x = 82

5x - 8 + x = 82

6x - 8 = 82

Add eight to both sides

6x - 8 + 8 = 82 + 8

6x = 90

Divide both sides by 6

x = 90/6

= 15

Therefore,

The smaller number = x = 15

The larger number = 5x - 8

= 5(15) - 8

= 75 - 8

= 67

6 0
3 years ago
A rectangle sandbox has a width of 5 feet. Tbe sandbox is 5 times as long as it is wide. What is the perimeter of the sandbox?
NikAS [45]
The perimeter of the sandbox is 60 ft.
5x5=25
Two sides = 25, so 25+25 = 50.
Two other sides = 5, so 5+5=10
50+10 = 60, and that is the correct answer.
If you would like any more assistance with this type of questions, let me know and I will be able to further assist you. Thank you!
6 0
3 years ago
an outdoor deck is 7 feet wide the perimeter of the deck is 64 feet what is the length of the deck use the numbers to write an e
ycow [4]
Answer: 25

Equation:
2(7)+2(x)=64
14+2x=64
2x=64
X=25

Hope this helps :)
5 0
3 years ago
How many sucrose molecules are in 3.0 moles of sucrose
vredina [299]
3*6.022*10^23 no of molecules in 3.0 moles of sucrose
8 0
3 years ago
A door to a playhouse is 50 inches tall. Which of the following is another measure equal to the height?
sashaice [31]

Answer:

A. 4 ft 2 in.

Step-by-step explanation:

50/12 = 4.1666667. Round up, so 4.1666667 becomes 4.2.

8 0
3 years ago
Read 2 more answers
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