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AveGali [126]
2 years ago
15

Please help me I’ll give who ever Anwswrs it brainliesst

Mathematics
2 answers:
VLD [36.1K]2 years ago
8 0

circumference: 12.56

area:50.27

hope this helps

:))

Kazeer [188]2 years ago
6 0
The circumference formula is 2 times pi times radius. In this case, we are substituting pi with 3.14. So, 3.14 times 2 times 4 (the radius) = 25.12. Therefore, the circumference is 25.12 m.

The formula for the area of a circle is pi times radius squared.

4^2 = 16.

16 times 3.14 = 50.24

So, the area of the circle is 50.24 squared, or 50.24^2.
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Which of the following exponential regression equation best fits the data shown below. Please help ASAP. ☺️
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Answer:

Option D [y=6.61\,*\,1.55^x] in the list of possible answers

Step-by-step explanation:

For this problem you are supposed to use a calculator that allows you to do an exponential regression. There are many tools that can help you with that, depending on what your instructors has assigned for your class.

I am showing you the results of a graphing tool I use, and which after entering the x-values and the y-values in independent "List" forms, when I request the exponential regression to fit the data, I get what you can see in the attached image.

Notice that the exponential of best fit with my calculator comes in the form:

y=A\,e^{k\, x}

with optimized parameters:

A \approx 6.6114\,\,\,and\,\,\, k=0.4378321

Notice as well that since:

e^{0.4378321} \approx 1.5490

the exponential best fit can also be written:

y=6.611403\,\,*\,e^{0.4378321\, x}=6.611403\,*\,1.549^{\,x}

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3 years ago
An equation that shows the relationship of 30% of x is 40
Tresset [83]
What do you mean? Try to explain
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Convert into metre 81Km 30 m​
aliya0001 [1]

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Explain why segments connecting any pair of corresponding vertices of congruent pentagons are congruent. make a sketch to suppor
Veronika [31]

Answer:

Congruence between pentagons

Step-by-step explanation:

The relationship occurs because having two congruent Pentagons and generating a segment within them (or outside), congruence is extrapolated to the triangles generated within them. Thus, if there is congruence among the pentagons, it will exist between the formed triangles. In other words since the two pentagons are congruent, the corresponding angle pair is congruent. also the two corresponding side pairs are also congruent.

In the attached image for example, the ABCDE and KLMNO pentagons are congruent, so all of their internal division lines are also congruent (AC and KM)

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*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: See graph below!

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

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