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rosijanka [135]
3 years ago
14

You are standing next to a really big circular lake. You want to measure the diameter of the lake, but you don't

Mathematics
1 answer:
blagie [28]3 years ago
8 0
The diameter is about 1,275.4 because D=C/pi so 4007\pi=1275.4
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Hi there! please please help:)) have a good day
Elina [12.6K]

Answer:

b

Step-by-step explanation:

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3 0
3 years ago
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Kwans The Kenningy account balance was $20 his ending balance is zero dollars what integer represents the changing in his accoun
77julia77 [94]

The integer number that represents the changing in his account balance from beginning to end is of -20.

<h3>Which numbers belong to the set of integer numbers?</h3>

Non-decimal numbers, either positive or negative numbers, also zero, belong to the set, which can be represented by:

Z = {..., -3, -2, -1, 0, 1, 2, 3, ...}

A change can be represented by the <u>final value subtracted by the initial value</u>. For this problem, we have that:

  • The initial balance is of $20.
  • The final balance is of $0.

Hence the change in the balance is:

0 - 20 = -20.

And the integer is -20.

More can be learned about integer numbers are brainly.com/question/17405059

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6 0
1 year ago
What is the exact circumference of the circle?
fredd [130]
Data:

Formula: diameter = 2*radius

Formula: (<span>Circle length)
</span>C = 2* \pi *r
<span>
Solving: </span><span>Using the data
</span>diameter = 2*radius
20 = 2*r
2r = 20
r =  \frac{20}{2}
\boxed{r = 10\:ft}

<span>Now, replace in the circumference length formula
</span>C = 2 \pi *r
C = 2 \pi *10
\boxed{\boxed{C = 20 \pi \:ft}}\end{array}}\qquad\quad\checkmark

Answer:
<span>The exact circumference of the circle is </span>20 \pi \:ft
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3 years ago
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jeka57 [31]
Rhombus -> 2 equivalent obtuse angles, 2 equivalent acute angles

vs.

Rectangle -> 4 equivalent right angles. 
3 0
2 years ago
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MArishka [77]

Answer:

18$ each book

Step-by-step explanation:

7 0
2 years ago
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