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stellarik [79]
3 years ago
8

Please help please explain it step by step please

Mathematics
1 answer:
VLD [36.1K]3 years ago
8 0

Answer:

1. 10 root 3

2.

A=30

B = 60

Step-by-step explanation:

In picture

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an ice fisherman wishes to cut a hole in the ice which has a diameter of 30 cm. How far around must he cut to create this hole?
olga55 [171]

Given:

Diameter of the hole = 30 cm

To find:

The area of the hole.

Solution:

The radius of a circle is always half of the diameter. It is given that the diameter of the hole is 30 cm. So, the radius of the hole is:

r=\dfrac{30}{2}

r=15

Area of a circle is:

A=\pi r^2

Putting \pi = 3.14 and r=15 in the above formula, we get

A=(3.14)(15)^2

A=(3.14)(225)

A=706.5

Therefore, the area of the hold is 706.5 square cm.

4 0
3 years ago
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Verizon [17]

Answer:

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Step-by-step explanation:

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2 years ago
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masya89 [10]

Answer:

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Step-by-step explanation:

6 0
3 years ago
What are the x-intercepts of the graph of the function f(x) = x2 4x – 12? (–6, 0), (2,0) or (–2, –16), (0, –12) or (–6, 0), (–2,
Sergio [31]
Xints are where y=0

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8 0
3 years ago
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Answer:

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Step-by-step explanation:

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