The diameter of a circle is 12 kilometers. What is the circle's circumference? Use 3.14 for ​.

Answers

Answer 1
CIRCUMFERENCE

» The diameter of a circle is 12 kilometers. What is the circle's circumference? Use 3.14.

[tex]\blue{\bold{37.68 \: \:kilometers}}[/tex]

— — — — — — — — — —

Step-by-step explanation:

To find the circumference, use pi (π), a mathematical constant. Its value is approximately equal to 3.14.

— Multiply the diameter with π in order to get the circumference of a Circle.

[tex] \tt \: d = 12 km \\ \tt \: \: C = π × d \tt \\ \tt \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 3.14×12 \: km \\ \tt \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \underline{ \boxed{ \purple{ \bold{ 37.68 \: km}}}}[/tex]

Therefore, the circumference of the circle is 37.68 kilometers.

_______________∞_______________

The Diameter Of A Circle Is 12 Kilometers. What Is The Circle's Circumference? Use 3.14 For .
Answer 2

Answer:

37.68km

Step-by-step explanation:

c=2πr

thus

2×3.14×6= 37.68

alternative

c= πDc= 3.14×12= 37.68km
The Diameter Of A Circle Is 12 Kilometers. What Is The Circle's Circumference? Use 3.14 For .

Related Questions

If someone has two bottles (12 fl. oz. each) of 7.7% beer AND 3 fl. oz. of vodka, how many standard drinks has that person consumed? Select the most accurate answer.

about 2

about 3

about 4

about 5

about 6

Answers

Answer:

about 5

Step-by-step explanation:

One 12 fl oz bottle of 7.7% beer ≈ 1.5 standard drinks

1.5 fl oz vodka ≈ 1 standard drink

Therefore,

Two 12 fl oz bottle of 7.7% beer ≈ 3 standard drinks

3 fl oz vodka ≈ 2 standard drinks

So, 2 bottles of beer and 3 fl oz of vodka ≈ 3 + 2 = 5

Steve Rogers invested $2400 in an account tht pays 4% compounded continuously and how has $3500. How long did it take Steve's money to grow that much?

Answers

Answer:20years

Step-by-step explanation:

two nimbers have a product of 90 and a sum of 19. What are the two numbers?​

Answers

Answer:

9 + 10 = 19 product is 9 x 10 = 90 9^2 + 10^2 = 181

An individual head of a sprinkler system covers a circular area of grass with a radius of 25 feet. The yard has 3 sprinkler heads that each cover a circular area with no overlap. What is the approximate total area that will be watered? 1963. 5 ft 1963. 5 ft² 5890. 5 ft 5890. 5 ft².

Answers

The total area covered by the yard by the 3 sprinkler heads such that each covers a circular area with no overlap is 5892.857 ft².

What is the area of a circle?

The area of a circle is the area covered by the circle with radius r. It is given by the formula,

[tex]\text{Area of circle} = \pi r^2[/tex]

As it is given that the area covered by a single sprinkler system is of the radius of 25 feet, therefore, the area covered by a singular sprinkler system can be written as,

Area of sprinkler = Area of a circle with radius 25 feet

 [tex]\begin{aligned}\text{Area of sprinkler}&= \pi r^2\\&=\pi (25^2)\\&= 1964.2857 \approx 1964.286\rm\ ft^2\end{aligned}[/tex]

Now, as we know that the yard has three such sprinkler systems, therefore, the area covered by the sprinkler will be thrice the area covered by a single sprinkler,

The total area covered by the sprinkler = 3 x Area of sprinkler

                                                                   = 3 x 1964.286

                                                                   = 5892.857

Thus, the total area covered by the yard by the 3 sprinkler heads such that each covers a circular area with no overlap is 5892.857 ft².

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The derivation for the equation of a parabola with a vertex at the origin is started below. = startroot (x minus 0) squared (y minus p) squared endroot = startroot (x minus x) squared (y minus (negative p)) squared endroot (x)2 (y – p)2 = (0)2 (y p)2 x2 y2 – 2py p2 = y2 2py p2 if the equation is further simplified, which equation for a parabola does it become? x2 = 4py x2 = 2y2 2p2 y2 = 4px y2 = 4py

Answers

The equation of parabola it becomes will be x²= 4py.The y-axis passes through (0, -a), and the directrix of the parabola x² = 4ay has the equation y + a = 0

What is a parabola?

A parabola is a curve in which all points are at the same distance from two fixed points: the focus and a fixed straight line (the directrix ).

The given expression in the problem is;

[tex]x^2 +y^2-2py +p^2= y^2+2py+p^2[/tex]

On simplifying the gIven expression we get;

[tex]x^2- 2py = 2py \\\\ x^2= 2py+2py \\\\x^2=4py[/tex]

The y-axis passes through (0, -a), and the directrix of the parabola x²= 4ay has the equation y + a = 0. The y-axis passes through (0, a), and the center of the parabola x2 = -4ay has the equation y - a = 0.

Hence the equation of parabola it becomes will be x²= 4py

To learn more about the parabola refer to the link;

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Find the area of the rectangle. ​

Answers

The area of the rectangle is the length times the width.

Now let's convert all these fractions into improper fractions to make it easier to multiply

  [tex]4\frac{3}{4} =\frac{19}{4} \\1\frac{1}{6} =\frac{7}{6}[/tex]

Now let's multiply them for the area = [tex]\frac{19}{4} *\frac{7}{6} =\frac{133}{24} =5\frac{13}{24}[/tex] square feet.

Hope that helped!

hello people ~
What's the area of a rectangle whose width is 13cm & length is 7cm?​

Answers

Answer: The area of the rectangle is 91cm

Answer:

91cm²

Step-by-step explanation:

area of rectangle = width × length

13 × 7 = 91cm²

Please help just this anyone who answers this gets their answer marked brainliest​

Answers

Answer:

It's the third option . it's the right ans .

pls mark my ans as brainliest.

Answer:

Option C.

Step-by-step explanation:

Let us begin by redrawing the quadrilaterals so that the congruent sides and angles become more obvious in the attachment:

From the diagrams, we have the congruent angles to be:

∠F, ∠K, ∠S

∠ I, ∠L, ∠T

∠G, ∠N, ∠R

∠H, ∠M, ∠Q

We can conclude that the correct option is:

∠M and ∠Q

what would you use to measure the wieght of a block of cheese

Answers

Answer:

You can use a measuring cup to estimate how many ounces of cheese you have.

Step-by-step explanation:

For soft or crumbly cheeses, 1 cup is equivalent to 6 ounces. For semi-hard cheeses like cheddar, 1 cup is equivalent to 4 ounces.

how do you find the measure of angle b with only angle c and the outside of angle a

Answers

Step-by-step explanation:

straight angle a + 117 = 180

a = 180 - 117

= 63

total angle in triangle = 180

63 + b + 81 = 180

b = 180 - 63 - 81

= 36

Answer:

b = 36°

Step-by-step explanation:

the exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

117° is an exterior angle of the triangle , then

b + 81° = 117° ( subtract 81° from both sides )

b = 36°

1. The height of five players are 153 cm,140 cm,148 cm,150 cm, and in the average height?

Answers

[tex] \pmb{average = \frac{sum}{no. \: of \: terms} }[/tex]

[tex] \\ [/tex]

[tex] \pmb{average = \frac{591}{4} }[/tex]

[tex] \\ [/tex]

[tex] \pmb{average = 147.75}[/tex]

helppppppppppp please

Answers

Answer:

Ride a rollercoaster and Zendaya

Step-by-step explanation:

Coefficients are the number in front of the variable and constants are just plain old whole numbers. Terms are separated by signs.

Have a good one! Hope this answer helps you!

please help!!!!!!!!!!!!
Will mark brainliest

Answers

Answer:

○ [tex]\displaystyle 25[/tex]

Step-by-step explanation:

[tex]\displaystyle 4 = 2\sqrt{25} - 6 \\ 4 = 2[5] - 6 \\ \\ 4 = 10 - 6[/tex]

I am joyous to assist you at any time.

What are the slope and y-intercept of the linear function shown in the grid?

Answers

Answer:

C Slope = -4/3, Y-Intercept = 4
Step-by-step explanation:

The Y- Intercept is where the line contacts the Y-Axis (the vertical line)
Since the line is going down, the slope is going to be negative. You fine the slope by finding a point the line goes through perfectly and then since its negative, go down however many it is until the line goes through another point perfectly, then go right and how many points it takes to get to the point is your denominator. (so your slope is -4/3)

The function f(x) represents the time it takes an airplane to travel east. The function g(x) represents the time it takes an airplane to travel west. Given f(x) = 4x 13 and g(x) = 10x − 2, solve for (f g)(x) to determine the total roundtrip time. (f g)(x) = 14x 15 (f g)(x) = 14x 11 (f g)(x) = 6x 11 (f g)(x) = 6x 15.

Answers

The total time taken for round trip will be  (f+g)(x) = 14x+11

We have given that

f(x)=4x+13and g(x)=10x-2

What is the round trip time?

In order to find the round-trip time, we have to add both functions to represent the time taken to travel east and the time taken to travel to west.

Therefore we get,

[tex](f+g)(x)=f(x)+g(x)\\ =(4x+13)(10x-3)\\ =4x+13+10x-2\\ =4x+10x+13-2\\ =14x+11[/tex]

Hence,The total time taken for round trip will be: (f+g)(x) = 14x+11

To learn more about the function visit:

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I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS PLEASE

Answers

Answer:

∠SDA, ∠ADS

Step-by-step explanation:

In Chicago, there is a 30% chance that Memorial Day will have a high temperature in
the 70s. What is the probability that next Memorial Day will not have a high
temperature in the 70s in Chicago?

Answers

Answer:

70%

Step-by-step explanation:

the key word is not. it says there is a 30 percent chance of it being 70. the question asks what is the percent that it is - not - 70. the equation will be 100 - 30 = 70

eden has a part time job
she gets paid £7.20 per hour
this week she works 18 1/2 hours

work out eden's total pay this week

Answers

Answer:

$133.20

Step-by-step explanation:

Since the amount of hours she worked isn't a whole number, we can first separate 18 and 1/2 and work the problem out one at a time.

1. Multiply 7.20 by 18 to get 129.60

2. Multiply 0.50 by 7.20 to get 3.60.

3. Add 129.60 and 3.60 together to get the answer, 133.20.

Two functions are defined as follows: f : x → 2x - 3 and g : x → x2 - 1
(i) Calculate f(5)
(ii) g( - 3) =
(iii) fg(x)=
(iv)gf(x)=
(v) f-1(x)=

Answers

f(5) = 2(5)-3 = 7
g(-3) = (-3)2-1 = -7
fg(x) = f(2x-1) = 2(2x-1)-3 = 4x-2-3 = 4x-5
gf(x) = g(2x-3) = 2(2x-3)-1 = 4x-6-1 = 4x-7

let y=f(x)
y=2x-3
make x the subject,
2x=y+3
x = (y+3)/2
f-1(y) = (y+3)/2
f-1(x) = (x+3)/2

( 10 - y ) ( 10 + y ) = ?

Pa answer po please

Answers

Let's factorise it :

[tex]\: {\qquad \dashrightarrow \sf ( 10 - y ) ( 10 + y) }[/tex]

[tex]\: {\qquad \dashrightarrow \sf 10(10 + y) + [ - y(10 + y)] }[/tex]

Using distributive property we get :

[tex]\: {\qquad \dashrightarrow \sf {10}^{2} + 10y+ (- 10y - {y}^{2} ) }[/tex]

[tex]\: {\qquad \dashrightarrow \sf {10}^{2} \: \cancel { + 10y }\: \: \cancel{ - 10y } - {y}^{2} }[/tex]

[tex]\: {\qquad \dashrightarrow \sf 100 - {y}^{2} }[/tex]

Therefore,

[tex] {{{\qquad \dashrightarrow \sf ( 10 - y ) ( 10 + y) = 100 - {y}^{2}}}}[/tex]

In which quadrant does the point (-2,5) lie?

A. Quadrant I

B. Quadrant ll

C. Quadrant lll

D. Quadrant lV

Answers

A. Quadrant I
Because negative 2 goes to the left and positive five goes up

27 added to the product of 68 and 32

Answers

Answer:

2203

Step-by-step explanation:

product of 68 and 32

= 32× 68

= 2176

adding 27

=2176 + 27

= 2203

Answer:

(68 x 32) + 27

2203

Step-by-step explanation:

(68 x 32) + 27

2176 + 27

2203

Have an amazing day!

PLEASE RATE!!!

4 divided by 3678 pls help

Answers

Answer:

0.00108754758 If 4/3678 and 919.5 if 3678/4

Step-by-step explanation:

Answer:

Answer: 2/1839

Step-by-step explanation:

4 ÷ 3678 = 0.00108754758 or 2/1839

Carol bought 360g of flour. 8.5 of it was lost when she transferred the flour to a container. what was the amount of flour lost?

Answers

Answer:

8.5g

Step-by-step explanation:

13. Complete the paragraph proof.
Given: 21 and 22 are supplementary, and 22 and 23 are supplementary.
Prove: 21223
By definition of supplementary angles, m_1 = m22 = (a) and m22 - mz3 = (6)
Then, m_1 - m42 = m_2 + m23 by the
(c). Subtract mZ2 from each side. You
get m2l= (d), or 21 (e)

Answers

The complete paragraph proof is explained below.

What are supplementary angles?

Two or more given angles are said to be supplementary when on adding there individual measure, it produce the sum of angles on a straight line i.e. 180^o.

To complete the paragraph proof, we have;

m<1 + m< = 180^o (definition of supplementary angles)

m<2 - m<3 = m<2 - m<1

m<1 + m<2 = m<2 + m<3  (by the addition property of supplementary angles)

subtract m<2 from each side,

m<1 + m<2 - m<2 = m<2 + m<3 - m<2

you will get;

m<1 = m<3

Therefore, m<1 ≅ m<3

Learn more about supplementary angles at https://brainly.com/question/12919120

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A group of friends were working on a student film that had a budget of $640. They
spent all their budget on equipment and props. They used 15% of their budget on
props. How much
money did they spend on equipment?

Answers

15% was spent on props, rest on equipment 100 - 15 = 85% on equipment

.85 * 640 = $544 spent on equipment

Answer:

$544

Step-by-step explanation:

15% of 640

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

0.15 x 640

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

640 - 96

= 544

−3z−(−z−2) what is the answer for this

Answers

Answer:

[tex]-2z+2[/tex]

Step-by-step explanation:

Start by taking the terms out of the parentheses:

[tex]-3z-(-z-2)[/tex]

[tex]-3z-(-z)-(-2)[/tex]

Please note that two negatives make a positive:

[tex]-3z+z+2[/tex]

Combine like terms:

[tex]-2z+2[/tex]

Alfie has two sticks he puts the end to end in total it equals 80cm one stick is 10cm longer than the other stick how long is the longest stick

Answers

Solving


Alright so we know there are two sticks and that one is 10cm longer than the other. Knowing this information we can start off by dividing the total to make the sticks equal in length.

80cm ÷ 2 = 40cm

^ So currently each stick is 40cm

From here we have to make one stick 10cm longer so we would subtract 10cm from one and add that 10cm to the other one.

Stick 1:  40cm - 10cm = 30cm
Stick 2: 40cm + 10cm = 50cm


Answer

This means that the longest stick is 50cm in length

The length of the longest stick is 45cm.

What is an equation?

An equation contains one or more terms with variables connected by an equal sign.

Example:

2x + 4y = 9 is an equation.

2x = 8 is an equation.

We have,

Let's call the length of the shorter stick "x".

According to the problem, the longer stick is 10cm longer than the shorter stick, so its length is x + 10.

Now we know that when the two sticks are put end to end, the total length is 80cm.

Therefore, we can write the equation:

x + (x + 10) = 80

Simplifying the equation, we get:

2x + 10 = 80

Subtracting 10 from both sides:

2x = 70

Dividing both sides by 2:

x = 35

The length of the shorter stick is 35cm, and the length of the longer stick is:

x + 10 = 35 + 10 = 45

Therefore,

The length of the longest stick is 45cm.

Learn more about equations here:

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Someone help with this please

Answers

Answer:

looks like a 54 degree angle

Step-by-step explanation:

factroise
w² - 5w
I'm looking for the explanation for this equation please help me out.​

Answers

Step-by-step explanation:

Nun much take "w"outside from dis equation

w²-5w= w(w-5)

Answer:
w (w - 5)

Step-by-step explanation:
w² - 5w
Factorise the common factor out; w.
w (w - 5)
It can't be further simplified.

=》Answer: w (w - 5)


__________
Hope it helps ⚜

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