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Leona [35]
3 years ago
11

Each side of a cube is 39 meters long. What is the surface area of the cube? ​

Mathematics
1 answer:
fredd [130]3 years ago
5 0

Answer:

Cube surface area:

A= 9126 m^2

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2 years ago
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In a toy​ store, the ratio of the number of teddy bears to the number of dolls is 7:5. If the store has 140 teddy bears​, how ma
LiRa [457]

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there would be 100

Step-by-step explanation:

140:100=70:50=7:5

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How do you do this??
Alex777 [14]

The formula for the circumference of a circle = 2 x radius x pi

The radius is given as 21 cm and pi = 3.142

Circumference = 2 x 21 x 3.142 = 131.964 cm

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Which of the following expressions is equivalent to the one above? 42x + 21.
stiks02 [169]

Answer:

21(2x+1)

Step-by-step explanation:

42x+21=21(2x+1)

6 0
3 years ago
John has a map that shows a rectangular park with a circular pond. The scale on the map is 114 cm : 8 yd. On the map, the width
Ivenika [448]

Answer:

The area of the park is 119,966.14 cm if needed to round it would be 119,966 cm.

Step-by-step explanation:

first we would use A=length x width

so a = 614 cm x 212 cm = 130,168 cm

now we find the area of the pond using a= pi x r^2

the diameter is 114 cm so we cut that in half to find the radius which is 57 cm

a = pi x 57^2

a= 3.14 x 3249

a= 10201.86 cm

now we subtract the area of the pond from the whole area

130,168 - 10201.86 = 119,966.14 cm

The area of the park is 119,966.14 cm if needed to round it would be 119,966 cm

4 0
2 years ago
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