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lara [203]
4 years ago
11

What is the exact circumference of a circle with a radius of 15 cm? 10πcm 15πcm 30πcm 60πcm WIIL GIVE BRAINLIEST

Mathematics
2 answers:
zhenek [66]4 years ago
7 0

Answer:

37 pi

Step-by-step explanation:

The circumference of a circle is equal to pi times the diameter.

The formula for the circumference of a circle is C=pi d,and since d = 37 ,we know that C=37 pi.

37 pi =116.238928183,but pi is irrational and the decimal will never end.

Thus,the most exact way to express the circumference is 37 pi.

ddd [48]4 years ago
5 0

Answer:

(C) 30πcm

Step-by-step explanation:

In order to find circumference you use the formula C (circumference)=2(pi)(r) in which r is the radius. In this case, two and 15 are thirty so to find the circumference all you have is the equation 30 times pi centimeters is equal to the Circumference.

You might be interested in
What is the surface area of the figure shown ?
AVprozaik [17]
A: 184

1.) find the area of the two sides (length*height)*2
5*8=40*2=80

2.) Find the area of the adjacent sides (Width*height)*2
5*4=20*2=40

3.) Find the area of the ends (length*width)*2
4*8 =32*2=64

4.) add the three areas together
40+80+64=184



6 0
3 years ago
A line’s equation is given in point-slope form:<br> y−6=(−23)(x+6)<br> This line’s slope is?
Nikolay [14]

The slope of the line is -23

<h3>How to determine the slope of the line?</h3>

The line’s equation is given in point-slope form:

y − 6 = (−23)(x + 6)

The line’s equation in point-slope is represented as:

y − y1 = m(x - x1)

Where

m represents the slope

By comparing y − y1 = m(x - x1) and y − 6 = (−23)(x + 6), we have

m = -23

Hence. the slope of the line is -23

Read more about slope at:

brainly.com/question/3493733

#SPJ1

6 0
2 years ago
Byron can fill a drying rack with dishes in 15 minutes. While Byron fills the drying rack, Emmitt takes dishes out of the drying
Olegator [25]

Answer:

Hi!

The correct answer is d) 1 over 15 minus 1 over x equals x over 35.

Step-by-step explanation:

We know the amount of time that Byron can fill a drying rack with dishes: 15 minutes.

We know the amount of time that Byron can fill a drying rack with dishes while Emmitt is taking dishes out of the drying rack: 35 minutes.

We don't know the amount of time that Emmitt can take dishes out of the drying rack: x minutes.

So, if Byron is filling the drying rack in 15 minutes and Emmitt is taking out the dishes at x minutes, it takes 35 minutes to fill the drying rack.

\frac{1}{15}-\frac{1}{x} = \frac{1}{35} <em>// multiply by 105x both sides.</em>

105x\frac{1}{15}-105x\frac{1}{x} =105x \frac{1}{35} <em>// simplifly</em>

7x - 105 = 3x<em> //substract 3x and add 105 in both sides</em>

7x - 3x - 105 + 105 = 3x - 3x + 105 <em>// solve</em>

4x =  105 <em>//</em> <em>divide by 4 in both sides</em>

\frac{4x}{4} =  \frac{105}{4} <em>// solve</em>

x =  26.25

It makes sense that Byron fills the rack faster than Emmitt empties the rack.

7 0
3 years ago
What is after 1 <br> A<br> B<br> c<br> dasdsadasdsadasdasdsad
HACTEHA [7]

Answer:

2??

Step-by-step explanation:

what is dasdsa like whattt???

8 0
3 years ago
What is the solution of the system of equations X plus 3Y equals seven, 3X plus 2Y equals 083, to be -2, 3C2, negative3D -3, 28
enot [183]

Answer:

B

Step-by-step explanation:

x + 3y = 7 → (1)

3x + 2y = 0 → (2)

Multiplying (1) by - 3 and adding to (2) will eliminate x

- 3x - 9y = - 21 → (3)

Add (2) and (3) term by term to eliminate x

0 - 7y = - 21

- 7y = - 21 ( divide both sides by - 7 )

y = 3

Substitute y = 3 into either of the 2 equations and solve for x

Substituting into (1)

x + 3(3) = 7

x + 9 = 7 ( subtract 9 from both sides )

x = - 2

solution is (- 2, 3 ) → B

7 0
3 years ago
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