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Makovka662 [10]
2 years ago
9

Circle O has a circumference of approximately 250(pie) ft.

Mathematics
1 answer:
cluponka [151]2 years ago
7 0

try 80 its the only one that makes a fleas wing of sense

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Is he square root of -144 rational or irrational?
gladu [14]

Answer:

Step-by-step explanation:

Neither.

It is a complex number. The - sign is the culprit. sqrt(-144) = i * sqrt(144) = 12 i

The "i" is an imaginary representation for the square root of -1. It is a definition for sqrt(-1). So a new category of number has been created. The ancients would have been profoundly surprised to learn that such a thing existed.

3 0
2 years ago
A factory makes car batteries. The probability that a battery is defective is 1/4. If 400 batteries are tested, about how many a
notka56 [123]

Answer:

100 batteries would be defective

8 0
3 years ago
A lumberjack can cut a log into 5 pieces in 20 minutes. How long does it take to cut a log of the same size and shape into 7 pie
Nitella [24]

Answer:

28minutes

Step-by-step explanation:

Use this simple trick, it can be used almost everywhere

Time taken pieces

20mins 5

? 7

An x shape is always multiply and straight line is divide

So (7 x 20) ÷5

If u still don't understand, just comment again

8 0
2 years ago
Steven is walking around the perimeter of a circular swimming pool
Archy [21]

Answer:

62.83

Step-by-step explanation:

Circumference=2 pi r

diameter=20

20*pi= about 62.83

so it sould be around 62.83

4 0
2 years ago
Read 2 more answers
B-c,when b=8 and c=7
elixir [45]
If I understand your question correctly then it's simple all you have to do is use the numbers in the place of the b and c so the question would be what is 8-7 which equals 1 
8 0
3 years ago
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