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ser-zykov [4K]
2 years ago
10

The formula c=2 pie r is used to calculate the circumference of a circle slice this formula for r

Mathematics
1 answer:
sergij07 [2.7K]2 years ago
6 0

Answer:

c = 2\pi \: r \\  \\ r =  \frac{c}{2\pi}

I hope I helped you^_^

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Convert 18 centimeters per second to meters per hour.<br> hint: 1 m = 100 cm
denis-greek [22]

Answer:

The answer to your question is 648 m/h

Step-by-step explanation:

           

                  \frac{18 cm}{s} \frac{1 m}{100 cm} \frac{3600 s}{1 h}

                  \frac{(18)(1)(3600)}{(1)(100)(1)}

                  \frac{64800}{100}

                          = 648 m/h

3 0
3 years ago
Read 2 more answers
what algorithm (rule) will produce the correct result for the sum "a+b" where a and b each represent any rational number.
Leokris [45]

Answer:

To find the sum of  a + b where a and b are rational number.

1. when a and b are natural numbers

just add them . for example a =3, b=8

then ,a + b = 11

2. When a and b  are whole numbers,

simply add them . for example a= 0, b=8

a+ b = 0 + 8= 8

3. When  a and b are integers

for example, a =-1 b=8,

a+ b= -1+ 8 =7,

a=-2, b= -8

a+ b= -2-8=-10

a= -6 , b=2

a+ b= -6 + 2= -4

a= 8, b= -2

a+ b= 8 +(-2) =6

I have written this because Rational number = [Integers{Whole number(Natural number)}]

now when a= Any fraction=\frac{p}{q} and b = Any fraction=\frac{u}{v}

now ,

\frac{p}{q} + \frac{u}{v}

Find L.C.M of q and v

= if q and v are Co-prime , just multiply them to find their  L.C.M.

For example 14,9. LCM=14×9=126

Otherwise, Find factors of q and v . Then take out common factors first and then multiply the remaining with with common factors.For example

q=12 and v=18

12 =2×2×3

18=2×3×3

common factor =2,3

non common=2,3

L.C.M= 2×2×3×3=36

Suppose LCM of q and v = r

then ,\frac{p}{q} + \frac{u}{v}

=\frac{{\frac{r}{q}}\times p+{\frac{r}{v}\times u}}{r}\\

= {{\frac{r}{q}}\times p+{\frac{r}{v}\times u}} = k

then ,

a + b=\frac{k}{r}





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The answer is b. Thank you
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Find the volume of the figure. Round to nearest hundredth. *
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