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lidiya [134]
3 years ago
9

Find the Area of the circle. Use 3.14 for π. Round your answer to the nearest tenth.

Mathematics
2 answers:
Zanzabum3 years ago
5 0

Answer:

1, 385.4 mi

Step-by-step explanation:

A = pi(r^2)

A = 3.14 x 21^2

A = 1385.44 mi

n200080 [17]3 years ago
3 0

Answer:

Area = 1384.7 square miles

Step-by-step explanation:

Area = \pi r^2 = 3.14 \times 21^2 = 3.14 \times 21 \times 21 = 1384.74 = 1384.7 \ mi^2

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If ice tea is lets say y (ice tea = y) and water is x (water = x) then the answer is 
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8 0
2 years ago
4) The area of a piece of pie in the shape of a sector is 7.1 in. The angle of the sector is 40°. Find the diameter of
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Answer:

Step-by-step explanation:

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4 0
3 years ago
Human blood has an approximate pH of 7.3. Which substance is more basic than human blood?
ratelena [41]


so, 7 is neutral anything past 7 is considered basic.

answer: <em>a water and ammonia solution with a pH of 11 (very basic).</em>

<em />any number under 7 is acidic and of course there are different degrees of acidic just like there are different degrees of basicity.   

______________________________________________________________

- stomach's digestive juices, would be considered very acidic

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- grape juice, is becoming less acidic.

________________________________________________________________

Hopefully this helped and good luck.

5 0
2 years ago
Which value of X is a solution of x&lt;-2<br><br> A.-3<br> B.-2<br> C.-1<br> D.0
iren [92.7K]

Answer:

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Step-by-step explanation:

-3 is less than -2 therefore, it fits the answer.

8 0
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3 years ago
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