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densk [106]
3 years ago
14

How many squares (think about the faces) are painted on a tower that is 99 cubes tall?

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
3 0

Answer: 348 squares

Step-by-step explanation:

99-2=97

97x4=338

2x5=10

338+10=348

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The area of a circle is 39.62cm2.<br> Find the length of the radius rounded to 2 DP.
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Using the formula for area of a circle:

Area = pi x radius^2

Replace area with the given value:

39.62 = pi x radius^2

Divide both sides by pi

Radius^2 = 39.62/pi

Radius^2 = 12.62

Solve for radius by taking the square root of both sides

Radius = sqrt(12.62)

Radius = 3.55 cm

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What is the length of a rectangle when the perimeter is 72
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21

Step-by-step explanation:

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A painting measures b meters by 4 meters. a frame shop charges $10 per meter for a wooden frame. how much would it cost to buy a
hammer [34]

$ (20b + 80) is the cost to buy a frame for the panting given that measures b meters by 4 meters and charges $10 per meter for a wooden frame. This can be obtained by finding the perimeter of the painting and multiplying with the cost of wood per meter.

<h3>What is the cost of buying a frame for the painting?</h3>

Given that,

length of the painting (l) = b meters

width of the painting (b) = 4 meters

Perimeter of the painting = 2(l+b)

                                          = 2(b+4)

                                          = 2b + 8

Cost of the frame = (2b + 8)× $10 per meter

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Hence $ (20b + 80) is the cost to buy a frame for the panting given that measures b meters by 4 meters and charges $10 per meter for a wooden frame.

Learn more about finding cost of frame:

brainly.com/question/16757070

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4 0
2 years ago
Find the missing side round your answer to the nearest tenth
MissTica

Answer:

x=13.2

Step-by-step explanation:

cos(43)=x/18

x=18×cos(43)

x=13.2

Answered by GAUTHMATH

3 0
3 years ago
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