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Fynjy0 [20]
3 years ago
8

What is the formula for the radius of a circle?

Mathematics
2 answers:
gizmo_the_mogwai [7]3 years ago
7 0
The radius is half the diameter, so the formula would be r=d divided by 2
sergij07 [2.7K]3 years ago
6 0
(2* Pi* R)    two * Pi * Radius = Circumference.
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Using the equation y = 3x – 5, what would the output be for an input of 2
Licemer1 [7]

Answer:

Step-by-step explanation:

y = 3x - 5.....input values are x and output values are y

so if ur input (x) is 2.....sub 2 in for x and find ur output (y)

y = 3x - 5

y = 3(2) - 5

y = 6 - 5

y = 1 <=== ur output value

3 0
3 years ago
Consider the expression 635 , 943 ÷ 77 635,943÷77. Complete the equation below by estimating the dividend and divisor in the exp
Margarita [4]

Answer:

See below

Step-by-step explanation:

<u>We can estimate the dividend and divisor as follows:</u>

  • 635943 ÷ 77 =
  • 636000 ÷ 80 =
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Estimate is 8000

5 0
2 years ago
According to the Sleep Foundation, the average night's sleep is 6.8 hours (Fortune, March 20, 2006). Assume the standard deviati
vivado [14]

Let X be the random variable for the time a given person from the population spends sleeping. With X\sim\mathcal N(6.8,0.4^2) we have

P(X>8)=P\left(\dfrac{X-6.8}{0.4}>\dfrac{8-6.8}{0.4}\right)=P(Z>3)\approx0.0013

where Z\sim\mathcal N(0,1^2).

P(X\le6)=P\left(\dfrac{X-6.8}{0.4}\le\dfrac{6-6.8}{0.4}\right)=P(Z\le-2)\approx0.0228

P(7

Rounded to the nearest whole number, that comes out to about 31%.

5 0
3 years ago
What is the value of Cos n 2π=???
faust18 [17]
If n is an integer, then cos(n(2<span>π))=1.

Take n=0, cos(2</span>π)=cos(0)=1, n=1, cos(2π)=1, n=2, cos(2(2π))=cos(4<span>π)=cos(0)=1...

If n is not an integer, well, ..... we don't know the value, which depends on the value of n.</span>
5 0
3 years ago
Is 5/6 and 25/30 equivalent
ratelena [41]
Yes they are you can put it in a calculator and see
7 0
3 years ago
Read 2 more answers
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