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melomori [17]
2 years ago
7

Please help me idk this

Mathematics
1 answer:
krok68 [10]2 years ago
6 0

Answer:

A=π*r²

r = 18/2 = 9

r² = 9*9 = 81

π = 3.14

A = 3.14*81=254,34

Area = 254,34 inches²

Step-by-step explanation:

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What is the minimum number of angles required to determine the Cartesian components of a 3D vector and why?
Reika [66]

Answer: 3

Step-by-step explanation:

The 3D vector consists of 3 axes, let's say x, y and z.

Now, a vector P lies in all of them.

So, the angle it makes with x axis is α

The angle it makes with y axis is β

The angle it makes with z axis is γ

So, to determine the Cartesian components or to resolve the vector into it's Cartesian components we need 3 angles with each axis.

4 0
2 years ago
Need help please guys
Ierofanga [76]

Answer:

B.

Explanation:

π ≈ 3.142

22/7 ≈ 3.143

square root of ten ≈ 3.162

7 0
2 years ago
Read 2 more answers
Bo
Elenna [48]
If you use the scientific notation to simplify these bigger numbers it will make it easier
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2 years ago
Plzzzzzz someone help I keep on getting a decimal answer that is 100% wrong. Please do number 14
ANEK [815]
Im sorry number 14 of what?
6 0
2 years ago
Three ounces of cinnamon cost 2.40 if there are 16 ounces in 1 pound how much does cinnamon cost per pound
loris [4]
The cinnamon would cost $12.80 per pound.
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