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Y_Kistochka [10]
3 years ago
15

Need help as soon as possible

Mathematics
1 answer:
LiRa [457]3 years ago
6 0

If the one side of the smaller polygon is 2 and the same side of the larger polygon is 5, than there is a ratio of 2 1/2. Meaning, that since the area of the small polygon is 20, the area of the larger polygon must be 50.

Reason:

20 x 2 1/2

20 + 20 + 10 = 50

Answer:

C) 50

Let me know if I'm wrong. I did the math in my head, so I'm not 100% positive. Sorry if this doesn't help :(

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DiKsa [7]

Answer:

To find the surface area of a cylinder add the surface area of each end plus the surface area of the side. Each end is a circle so the surface area of each end is π * r2, where r is the radius of the end. There are two ends so their combinded surface area is 2 π * r2.

Step-by-step explanation:

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3 years ago
Please help.. ty if you do
FromTheMoon [43]

Answer:B

Step-by-step explanation: x is less than 1 so it is a open circle on the graph and x is greater than or equal to -1 so it is a closed circle on -1, B has both of these so B is the answer

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Travka [436]

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Step-by-step explanation:

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3 years ago
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4) A garden is in the shape of a square with a perimeter of
Leni [432]

Answer:

It costs $154.88 to build the fences.

Step-by-step explanation:

Perimeter of square = 4 \times Side

We are given that A garden is in the shape of a square with a perimeter of  56 feet.

So,4 \times side = 56

Side =\frac{56}{4}=14 feet

So, Side of square park = 14 feet

One fence is around the perimeter of the garden, whereas the second fence is 2 feet from the first fence on the outside.

Outer length = 14+2+2=18 feet

So, Perimeter of outer fence = 4 \times side = 4 \times 18 = 72 feet

Cost of fencing 1 foot = $1.21

Cost of fencing 56 feet =56 \times 1.21=67.76

Cost of fencing 72 feet = 72 \times 1.21=87.12

Total cost = 67.76+87.12=154.88

Hence It costs $154.88 to build the fences.

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2 years ago
Two bulbs are rated '60 W, 220 V' and '60 W,
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