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Mathematics

2 answers:

aniked [119]3 years ago

8 0

A. 64 is the square of 8 and -8 .

C. 49 is the square of 7 and -7 .

D. 16 is the square of 4 and -4 .

s2008m [1.1K]3 years ago

3 0

Answer:

A, C, D

Step-by-step explanation:

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katrin [286]

B and D and C in that order

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3 years ago

Read 2 more answers

Henry knows that the circumference of a circle is 18mc006-1.jpg inches. What is the area of the circle?

lesantik [10]

The complete question is:
Henry knows that the circumference of a circle is 18π inches. What is the area of the circle?

Solution:
Circumference (C) of the circle can be written as:

$C=2 \pi r \\ \\ 18 \pi =2 \pi r \\ \\ r=9$

Using this value of radius, we can find the Area(A) of the circle.

$A= \pi r^{2} \\ \\ 
A= \pi (9)^{2} \\ \\ 
A=81 \pi$

Therefore, area of the circle having a circumference of 18π inches will be 81π inches²

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3 years ago

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Andrei [34K]

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3 years ago

|4| |-4|, greater than, less than, or equal to?

vovikov84 [41]

The absolute value is always positive, so the numbers would be 4 and 4.
Those are two equal numbers so it is: equal to
Hope this helps.

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3 years ago