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Harlamova29_29 [7]
3 years ago
15

What is the circumference of a circle when the diameter is 3

Mathematics
2 answers:
Jlenok [28]3 years ago
7 0

Answer:

9.42 units (3 s.f.)

Step-by-step explanation:

Circumference of circle= 2πr

Radius

= diameter ÷2

= 3 ÷2

= 1.5

Circumference of circle

= 2(π)(1.5)

= 3π

= 9.42 units (3 s.f.)

yan [13]3 years ago
3 0

Answer:

C=3π OR around 9.42478...

Step-by-step explanation:

If the diameter is 3, then the radius is 1.5

C=2πr

C=2π(1.5)

C=3π      <em>[You can also see that you could find the circumference by multiplying the diameter to pi because 2r is diameter.]</em>

C= roughly 9.42478...

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Use the formula: (a - b)^2 = a^2 - 2ab + b^2.

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The list of options is mistyped, so you must use the right list of choices and find which is 25s^2 - 30s + 9.

Answer: 25s^2 - 30s + 9
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3 years ago
13.El alquiler de un coche cuesta 20 € al día, más 0'50 € por kilómetro recorrido. Halla la ecuación que calcula lo que se cobra
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Answer:

La función es: f(x) = 20+0.5x

Step-by-step explanation:

La función que representa la condición sería:

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Donde:

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Espero te haya servido!

7 0
3 years ago
Question 1 of 10
Vladimir [108]
Hyperbola is the answer
5 0
3 years ago
Maggie and her friends are each able to recruit a certain number of people each year to sample a product. The number of people p
sergeinik [125]

A function assigns the values. The number of people that were recruited in year 6 is 192.

<h3>What is a Function?</h3>

A function assigns the value of each element of one set to the other specific element of another set.

Given that the number of people per year is represented by the function f(t)=3(2)^t.

In the given function, t represents the number of years.

Now, the number of people that were recruited in year 6 can be calculated by putting the value of t as 6 in the given function,

f(t)=3(2)^t

f(6) = 3(2)⁶

     = 3(64)

     = 192

Hence, the number of people that were recruited in year 6 is 192.

Learn more about Function here:

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1 year ago
Emelio wants to solve this equation. x 5 = 35 Help him follow the steps to finish solving for x. 1. Multiplication property of e
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Answer: 175

Step-by-step explanation

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3 years ago
Read 2 more answers
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