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SOVA2 [1]
3 years ago
15

A white label is wrapped around a rectangular box with square bases covers 80 percent of the lateral surface area of the box. Fi

nd the length x of the box.

Mathematics
1 answer:
Scrat [10]3 years ago
3 0

Answer:

The box is 7.5 in long.

Step-by-step explanation:

Calculate the total surface area of the sides of this box (neglecting the ends).

If the base is 3" by 3" and the length of the box is 6", then the total surface area (without ends) is 4 times 3" by x, or  12x in².  80% of this "lateral surface area" is 0.80(12x in²), or 9.60x in° and this 9.60x in² represents the surface area covered b y the label.  That label surface area is 4(3 in by 6 in), or 72 in²

Equating 9.60x in² and 72 in² and solving for x yields  x = (72 in²) / (9.60 in²:

x = 7.5 in

The box is 7.5 in long.

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Answer:

Yes

Step-by-step explanation:

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This relation is a function.

6 0
2 years ago
A coffee table is on sale for 20% off the original price of $115. If there is 7.5% sales tax, what is the final price of the cof
alekssr [168]

Answer:

98.9

Step-by-step explanation:

115 - 20% = 92
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7 0
2 years ago
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Find the area of a parallelogram that has a base of 24 feet and a height of 12 feet. A) 18 ft2 B) 36 ft2 C) 64 ft2 D) 288 ft2
Shkiper50 [21]

Answer:

D) 288 ft.

Step-by-step explanation:

To find the area of a parallelogram, multiply the base times the height.

A=bh

A= 24 x 12

A= 288

5 0
3 years ago
The temperature of a city changed -24 degrees Celsius over a 6 week period. Write an expression the show the average change in t
Ne4ueva [31]

Answer:

The expression is (-24) / 6 = -4degrees which means that in each week the average change in temperature was -4 degrees Celsius.

Step-by-step explanation:

Change in a quantities can as well be interpreted as rate of change which is used in many everyday problems, such as weather forecast, traveling , in science and so on.When we are talking about rate of change it's is usually in ratio such as Miles per hour or feet per second can be used in calculation involving rates of speed. It is how one quality is changing with respect to time , for instance, rate equals distance divided by time: r = d/t.

In finance rate of change is also applicable we can have Unit price which is a particular rate that compares a price to some unit of measure. Example is $64 per dozen.

Therefore, Given from the question,

The temperature of a city changed -24 degrees Celsius ,

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Then change is r = d/t.

= (-24) / 6

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This means that each week the average change in temperature was -4 degrees Celsius.

3 0
3 years ago
Which shows the expression below in simplified form?
Misha Larkins [42]
The answer is
0.000005
4 0
3 years ago
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