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loris [4]
1 year ago
7

the formula for the circumference (c) of a circle is c= 2πr. calculate c if r=0.8695 mm, keeping the highest possible number of

significant figures in your answer
Mathematics
1 answer:
Marianna [84]1 year ago
6 0

The value of the circumference (C) of a circle, having a radius (r) = 0.8695 mm, using the formula C = 2πr, is calculated to be <u>5.4632296245926504416865368435231‬ mm</u>.

A circle is a shape formed by all points in a plane that are at a particular distance from the center.

The linear distance around a circle is defined as its circumference. In other words, if a circle is opened to produce a straight line, the length of that line equals the circumference of the circle.

The formula for the circumference of a circle is given:

C = 2πr,

where C is the circumference of the circle, r is its radius, and π is a constant.

We are asked to find the circumference of the circle (C), given its radius (r) = 0.8695 mm.

Using the formula of the circumference C = 2πr, we can find the circumference as:

C = 2*π*(0.8695) mm,

or, C = 5.4632296245926504416865368435231‬ mm.

Thus, the value of the circumference (C) of a circle, having a radius (r) = 0.8695 mm, using the formula C = 2πr, is calculated to be <u>5.4632296245926504416865368435231‬ mm</u>.

Learn more about the circumference of a circle at

brainly.com/question/12823137

#SPJ1

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2 years ago
Y + 0.5xy = x + 2; x = 1<br> How do you solve for y
vfiekz [6]

Step-by-step explanation:

replace the value of x with 1

y + 0.5 × 1 × y = 1 + 2

do the maths

y + 0.5y = 3

here the value of y is equal to 1. same goes for x, if we have no given value for them.

1.5y = 3

y = 3/1.5

y = 2

6 0
3 years ago
Which of the following is a solution of the inequality? -3 less than 2x+ 1 less than 5
Serhud [2]

Answer:

- 2 < x < 2

Step-by-step explanation:

Given

- 3 < 2x + 1 < 5 ( subtract 1 from each interval )

- 4 < 2x < 4 ( divide each interval by 2 )

- 2 < x < 2

7 0
3 years ago
Among the licensed drivers in the same age group, what is the probability that
Yakvenalex [24]

Answer:

The probability that a 57-year-old was involved in an accident is 0.0656.

Step-by-step explanation:

We are given the data for the drivers involved in an accident of different age groups.

And we have to find the probability that a 57-year-old was involved in an accident.

From the table given to us, it clear that a 57-year-old driver will lie in the age group of 55 - 64.

Now, the number of licensed drivers in the age group of 55 - 64 are 30,355 (in thousands).

The point to be noted here is that the data given of drivers in accidents (thousands) will include the data of drivers in fatal accidents.

So, the number of 57-year-old drivers involved in accidents are 1990 (in thousands).

The probability that a 57-year-old was involved in an accident is given by;

                        = \frac{1990}{30,355}

                        = \frac{398}{6071} = <u>0.0656 or 6.56%</u>

3 0
3 years ago
Read 2 more answers
Plz just help me i'll mark brainlest...................................
Snezhnost [94]

Answer:

6

Step-by-step explanation:

      90

-------------------

10 + (3^2 - 4)

first we look at the parenthesis. take 3 to the second power, and it equals 9

     90

------------------

10 + (9 - 4)

next, still in the parenthesis you subtract 4 from 9

   90

--------------

10 + (5)

next add 10 plus 5

90

-------   =       6

 15

now divide 90 by 15 and you get your answer, 6

7 0
3 years ago
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