The number 3.14 is a rounded value of the mathematical quantity pi. If you replace 3.14 with pi what is the exact formula for the circumference in terms of the diameter d and in terms of the radius, r?

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Answer 1

C = πd ( in terms of the diameter ), C = 2πr ( in terms of the radius )



Related Questions

N is the midpoint of MO. If MN = 4x - 5 and NO = 2x + 1 , find MO.

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the answer is 10 that's my answer

what is the equation of the product of three more than a number and eight is fourteen

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First, we start with the product

so _________ * _________


Now, the first part of the product is 3+ (a number), n

so (3+n)*___________


And the other side is 8

(3+n)*8

or 8(3+n) =14


Let the number is x

Three more than a number: x  + 3

so the product of three more than a number and eight : 8(x + 3)

Now you can write he equation of the product of three more than a number and eight is fourteen

8 (x + 3) = 14

Hope that helps

I need help PLEase (if you have the time)
im just not very smart

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the answer to the question is b

write an equation involving absolute value for graph

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1 < x < 11, because the graph tells us our number is between 1 and 11 which both have to be an absolute value as they are positive and everything inbetween.

The absolute value inequality which illustrates the information on the number line is 1 ≤ X ≤ 11

The use of thick shaded dots on a number line represents the or notation.

The value of X could be any value in between the dotted point. This means the value could be any value between 1 and 11 (With 1 and 11 inclusive).

Since, the we have a shaded dot, then 1 ≤ X ; similarly X ≤ 11.

Combining the two conditions ; we obtain 1 ≤ X ≤ 11.

Therefore, the expression depicted by the absolute value graph is 1 ≤ X ≤ 11

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If two numbers represented 2m+1 and 2m+5 have a sum of 74 find m

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(2m + 1) + (2m + 5) = 74

4m + 6 = 74

4m = 74 - 6

4m = 68

m = 17

The number of men aged 25-34 is (type an expression using x as the variable)

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Since x=228 and the next age group count (men) is 309, expressed as a sum: x+81


Use the corresponding angles diagram to answer the question. If m angle 5=42 degrees, what is m angle 4?

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I believe it's 138°, don't quote me on this
Final answer:

The measure of angle 4 will be 42 degrees because corresponding angles are equal when two lines are cut by a transversal, and in this case, angle 5 and angle 4 are corresponding angles.

Explanation:

The concept involved here is that corresponding angles are equal when two lines are cut by a transversal. In the given problem, angle 5 and angle 4 are corresponding angles because they occupy the same relative position at an intersection of a transversal and two lines. Therefore, if the measure of angle 5 (m angle 5) is 42 degrees, then the measure of angle 4 (m angle 4) will also be 42 degrees.

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Find the percent of the number. What is 256% of 75

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192 is the percent of 256 of 75

It is 192.

75 is 100%  so we can write it down as 75=100%.

75=100%  x=256%

CROSS MULTIPLY, proportions.

75/100     X/256

19200/100 equals 192

What are the closest integers that the square root of 300 is in between?

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They are 17 and 18! The square root of 300 is 17.32 (rounded to the nearest tenth). The integer (or whole number) below that is 17. The whole number above it is 18. Therefore, the square root of 300 is between them.
Hope that helps! :)

The square root of 300 is approximately 17.32, placing it between the integers 17 and 18. The square of 17 is 289, and 18 is 324, confirming this placement.

The square root of 300 falls between two consecutive integers. To find the closest integers, we can estimate the square root's value. The square root of 300 is approximately 17.32, as 17 squared is 289 and 18 squared is 324. Therefore, the square root of 300 is greater than 17 but less than 18.

In terms of integers, the square root of 300 is between 17 and 18. These are the closest integers that the square root of 300 falls between.

To further validate this, we can square both 17 and 18. The square of 17 is 289 (less than 300), and the square of 18 is 324 (greater than 300). This confirms that the square root of 300 indeed lies between 17 and 18.

In summary, the closest integers that the square root of 300 falls between are 17 and 18.

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-6x-11x=68 HEEEEEEEEEEELP

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Answer:

The correct answer would be 4. Explanation below

Step-by-step explanation:

-6x-11x = 68

-6x-11x = -17x

-17x = 68

68/-17 = 4

Hope this helps!

~Starr


Answer:

Hey there! The correct answer would be x=-4.

Step-by-step explanation:

To start, you would first need to combine your like terms, terms that are not only raised to the same power but also have the same exact variables. In this case, your like terms are -6x and -11x:

-6x-11x=68 --> -17x=68

Now, divide both sides by -17 in order to isolate your variable term:

-17x/-17 = 68/-17

x=-4

Therefore, your answer would be x=-4.

To check to make sure this answer is right, plug -4 in for x and see if the result is 68=68:

-6(-4)-11(-4)=68

24+44=68

68=68


Hope this helps! :)

If one bottle of the national brand of cough medicine costs $12, what is the cost of a bottle of the store brand if its 2/3 of the national brand

Answers

The answer is $8, sense 12÷3×2=4×2=8.


Final answer:

To find the cost of the store brand cough medicine, which is 2/3 the cost of the national brand priced at $12, you multiply $12 by 2/3, resulting in the store brand costing $8.

Explanation:

The question asks: If one bottle of the national brand of cough medicine costs $12, what is the cost of a bottle of the store brand if it's 2/3 of the national brand? To find the answer, you multiply the cost of the national brand by 2/3, since the store brand costs 2/3 of the national brand's price.

Here's the calculation:

Cost of national brand = $12Cost of store brand = $12 × (2/3) = $8

Therefore, the cost of a bottle of the store brand cough medicine is $8.

Please help don't guess.

Answers

The easy way to do this is:

Since the radius of the second circle is exactly 6 times the radius of the first circle, you could just multiply the circumference by 6:

9.42 x 6 = 56.52!  But let's double-check.

9 x 2 = 18    So, the diameter is 18.

18 x 3.14 = 56.52!     So, 56.52 is the correct answer!

Remark

The formula you should be using is

C = k*r because this is a variation question. There are ways of doing this without solving for k, but it is a good idea to solve for k first.

Givens

C = 9.42

r = 1.5

k = ??

K =

C = k*r

9.42 = k * 1.5

k = 9.42/1.5

k = 6.28 which is what it should be given that pi = 3.14. But you must check.

r = 9

C = k*r

C = 6.28 * 9

C = 56.52 which rounded = 57 to the nearest inch

57 Answer

The equation of the graphed line is x + 2y = 5. What is the x-intercept of the graph?


The x-intercept is

Answers

If you have to find x-intercept, then you have to equate y to 0. Thus,

when y=0, x+2·0=5 and x=5.

Point (5,0) is x-intercept.

Answer: (5,0)

Answer:

The x-intercept of the graph is:

                                5

and the point where it is obtained is (5,0)

Step-by-step explanation:

We know that the x-intercept of a graph is the x-value of the point where it's y-value is zero.

Similarly the  y-intercept of a graph is the y-value of the point where it's x-value is zero.

We are given a equation of a line as:

             [tex]x+2y=5[/tex]

Hence, when y=0 in the equation we get:

 [tex]x=5[/tex]

Hence, the point where the x-intercept is obtained is: (5,0)

and the x-intercept of the graph is: 5

What property of numbers is demonstrated in the equation (10 + 7) × 9 = (10 × 9) + (7 × 9)?

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This is the distributive property because you are distributing the 9 into both terms of the parenthesis.

(10 + 7) x 9  = 10(9) + 7(9)

Answer: Distributive Property

i believe its distributive property

Please send out a step by step solution

Answers

the picture is blurry

In one weekend,a theatre sells 74,877 tickets to a new movie. Write the values for each of the 7s in 74,877

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60 seconds = 1 minit
60 minutes = 1 hour
24 hours = 1 day
48 hours = 2 days
2880 minutes = 2 days
172800 seconds = 2 days

_______________________________

74877 ÷ 172800 = 0.4333159722
0.4333159722 × 7 = 3.0332118056

_______________________________

they sold 3 tickets each 7s

The values for each of the 7s in 74,877 can be expressed as ;

The first 7 from the left means thousands,  which is express in the value of 7,000.The middle 7  means hundreds, with a value of 700.The last 7  from the right means ones,  with the value of 7.

What is Ones Tens Hundreds Thousands?

The rank or position of a digit in a huge number is one tens hundred thousand. It establishes the place value where the digit is located. The value a digit in a number represents based on where it is in the number is known as place value.

For instance, 700 is the place value of 7 in 3,743. Nevertheless, 7,000 or 7,000 is the place value of 7 in 7,432.

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Help!!! On geometry all help is appreciated

Answers

(1)

we are given two points

A=(-3,-4)

B=(2,0)

and point P [tex](-1, -\frac{12}{5} )[/tex] partitions AB

Let's assume it partitions into m:n

so, we get

[tex]\frac{AP}{PB}=\frac{m}{n}[/tex]

so, we can write our point as

[tex](-1,-\frac{12}{5} )=(\frac{2m-3n}{m+n},\frac{0m-4n}{m+n})[/tex]

now, we can set x-value to x-value

and y-value to y-value

and then we can solve for m and n

[tex]-1= \frac{2m-3n}{m+n}[/tex]

[tex]-\frac{12}{5} =\frac{0m-4n}{m+n}[/tex]

now, we can solve for m/n

[tex]-m-n=2m-3n[/tex]

[tex]3m=2n[/tex]

[tex]\frac{m}{n} =\frac{2}{3}[/tex]

so, option-C.........Answer

(2)

we are given points as

J=(10, -2)

N=(-4 ,6)

Let's assume mid-point between J and N as M

so, we get

[tex]M=(\frac{10-4}{2},\frac{-2+6}{2})[/tex]

[tex]M=(3,2)[/tex]............Answer



Meredith Pick 4 times as many green peppers as red peppers if she picked a total of 20 peppers how many green peppers does she pick

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she picks 16 green peppers

Does anyone know the answer to this question? Or at least a way to solve it?

Answers

Since angle A = Angle B, I believe you would write it out like this:
6x+12=3x+63
subtract 3x from both sides, then subtract 12 from both sides.
3x=51
divide 51 by 3 to find x.
x=17
Now to find the measure of angle A.
A = 6(17)+12
A = 102+12
A = 114, angle A is 114 degrees.

From the fact that the two horizontal lines are parallel, you can deduce <A=<B

so you can equate the two right-hand sides of the equations:

6x+12=3x+63 and solve for x

3x = 51

x= 17 degrees is the measure <A (and <B as well)

Jenny's frog made one jump of 2.34 meters. Christina's frog made jumps of 1.22 meters and 0.89 meters.

How much further did Jenny's frog jump in one jump than Christina's frog in two jumps combined?

Answers

Lets go through the steps

1) 1.22 + .89 = 2.11

2) 2.34 - 2.11 = .23

Jenny's frog jumped .23 meters further than Christina's frog.

I hope this helped!

Have a fantastic day!

Jenny's: 2.34

Chistina's: 1.22+0.89

The first thing you want to do is add 1.22 and 0.89 which is 2.11

Then too find how much further Jenny's frog jumped you subtract 2.34 and 2.11 which is 0.23.

Therefore your answer would be:0.23


can anyone help me on these questions?
the image is below;

many thanks,sam...

Answers

Answer:

a)

[tex] {( \sqrt{5}) }^{2} \times {( \sqrt{3}) }^{2} = 5 \times 3 = 15[/tex]

b)

[tex]( { \sqrt[3]{9} )}^{3} \times ( { \sqrt{30} )}^{2} = 9 \times 30 = 270[/tex]

y=5x-6 and -15x+3y=-18

Answers

Infinitely many solutions.

Mia says in 5,555 all the digits have the same value. Is MIA correct? Explain

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no because the first five equals 5000

the second 5 equals 500

the third 5 equals 50

and the fourth 5 equals 5.

mr. Russell owes 1235 shares of XYZ stock. On Monday, the start decreased by $0.67 a share. On Tuesday, decreased by $0.53 a share. What is the change in the value of stock shares for their two days?

Answers

loss of $1,482.00 is the answer

What is the slope and y-intercept of the equation 3(y − 2) + 6(x + 1) − 2 = 0? A. slope = -2, y-intercept = B. slope = 2, y-intercept = C. slope = -2, y-intercept = D. slope = 2, y-intercept = E. slope = -2, y-intercept =

Answers

3(y − 2) + 6(x + 1) − 2 = 0

3y - 6 + 6x + 6 - 2 = 0

3y + 6x - 2 = 0

3y = -6x + 2

 y = -2x + 2/3

 Slope = - 2

Y intercept = b - 2/3

Answer

A. slope = -2, y-intercept = B

slope = -2

Y-intercept= 2/3

You dont have the Y-intercept numbers so i cant say if its A,B,C, or D.

Need help with this can you tell me exactly where I’m supposed to place the dot plz and plz get me this answer fast thank you

Answers

The answer is -2.2 and you place the dot between -2.5 and -2.

How many times greater is the value of 5.3 than the value of 0.53

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To find the number of times greater, let us divide 5.3 by 0.53.

Number of times greater = [tex]\frac{5.3}{0.53}[/tex]

[tex]=\frac{5.3}{0.53}(\frac{100}{100} )[/tex]

[tex]=\frac{530}{53}[/tex]

= 10

Hence, 5.3 is 10 times greater than 0.53.

The figures below have the same perimeter determine if each statement is true or false

Answers

the answer is true I think

how can graphing help solve a problem involving ratios

Answers

Graphing can help solve a problem involving ratios by showing you the rate of 2 different ratios. You can then see the difference of each ratio based on the unit rate.

To solve a problem involving ratios:

The higher the ratio, the line will seem steeper.

What is ratio?

The ratio is a numerical relationship between two values that demonstrates how frequently one value contains or is contained within another.

To solve a problem that has ratio:

We can solve by graphing.

Ratios can be compared using tables and graphs.

The higher the ratio, the line will seem steeper.

Therefore, the line will seem steeper.

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what is the answer to 2 2/7

Answers

A little more specific? So i could help out, thanks

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