What is a irrational number by a circumference

Answers

Answer 1

Answer: A real number is rational, if it is the ratio of two integers. Otherwise it is called irrational. If D is the diameter of circle, then C = π D is it's circumference.

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Which of the following rotations will produce a 12-sided polyhedron? ANSWERS: Rotating a 12-gon about a vertical axis running along one side Rotating a 12-gon about a vertical axis passing through the center No rotation will produce a polyhedron. The solids of rotation are non-polyhedral. Rotating a 12-gon about a horizontal axis passing through the center
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1. Delia brushes her teeth hour each day.Units of Time
1 week = 7 days
1 hour = 60 minutes
Part A
Write and solve an equation to find how
many hours Delia brushes her teeth in
1 week.

Part B
to find how
many minutes Delia brushes her teeth in
1 week.

Answers

Answer:

part A. 7

Part B. 420

Lynne used 3/8 cup of flour and 1/3 cup of sugar in a recipe. Which number below is a common denominator for 3/8 and 1/3 ?

Answers

3 and 8 have the common number or denominator 24 because 3 times 8 is 24

3/8 and 1/3 = 3/8+1/3 24 is the common denominator. 3x3=9 8x3=24 1x8 =8 3x8=24

9/24 + 8/24 = 17/24

Question 3, I give thanks and 5 stars :DJoshua has made 90% of the lay-up baskets he has attempted at basketball practice.

A. What is the probability that he will make the next three lay-up baskets he attempts? Express your answer as a decimal.

B. Write the equation you used to find this answer.

C. What does each piece of your equation represent?

Answers

A. So you know that he has a 0.9 chance of getting the basket each individual time. So just do 0.9^3 (0.9x0.9x0.9) which comes out as 0.729.

B. Oops. 0.9^3

C. The 0.9 represents the chance of getting it in the basketball net. The "cubed" represents that he attempts the shot three times.

Hope I helped!

What is the absolute deviation for the numbers: 112,145,108,160,122

Answers

Absolute deviation is 92.40

Rearrange numbers from least to greatest to avoid confusion.
108, 112, 122, 145, 160

Mean = (108 + 112 + 122 + 145 + 160) / 5
= 647 / 5
= 129.40

Absolute deviation : (number - mean)

*absolute means that a number is always treated as a positive number contrary to its actual value

  108 - 129.40 =   21.40
  112 - 129.40 =   17.40
122 - 129.40 =     7.40
  145 - 129.40 = 15.60
  160 - 129.40 = 30.60
total absolute deviation 92.40

Mean absolute deviation = 92.40 / 5 = 18.48

Simplify the ratio:26:65

Answers

$(26)/(25)$

Divide both numerator and denominator by "13", and you get,

= $(2)/(5)$

And thats your simplified answer

Final answer:

In order to simplify the ratio 26:65, we find the greatest common divisor of 26 and 65, which is 13. Dividing both numbers of the ratio by this divisor, the simplified ratio becomes 2:5.

Explanation:

To simplify the given ratio 26:65, we need to find the greatest common divisor (GCD) of the two numbers and divide each of them by this GCD. The GCD of 26 and 65 is 13. Hence, we divide both numbers of the ratio by 13.

26 ÷ 13 = 2

65 ÷ 13 = 5

Therefore, the simplified form of the ratio 26:65 is 2:5.

Learn more about ratio simplification here:

brainly.com/question/2804192

#SPJ12

Write a definition for the term perimeter

Answers

Perimeter is the distance around a two-dimensional shape.

Perimeter is the distance using units around a shape or polygon. Such as a square's side is 1. There are 4 sides. The perimeter would be 4units.

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During vacation, Dave and his brother, Scott, rode their bikes from their family's rental house to a pond to go fishing. Although they left the rental house together, Dave arrived at the pond a few minutes before Scott. This weekend, they plan to ride a nearby mountain trail and turn back after an hour if they can't complete it. Who will likely ride farther along the mountain trail?