3 years ago

The circumference of a circle is 10pi cm. What is the Radius of the circle?

Mathematics

2 answers:

olasank [31]3 years ago

8 0

Answer:

Radius=5cm

Step-by-step explanation:

Circumference=2πr

We are to determine r

So circumference=10π

Since circumference is given in the form of π so we will not convert the

r=?

So r=circumference/2π

=10π/2π

So the radius is 5cm

enot [183]3 years ago

6 0

Answer3:

Step-by-step explanation:

I do not know

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The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) →

Ket [755]

Answer:

x+2y=12-------(1)

x-2y=3---------(2)

Adding equations 1 and 2

we get

2x=18

x=9

Equation 1

9+2y=15

2y=15-9

2y=6

y=3

The solution of the given system is x=9, y=3

Step-by-step explanation

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2 years ago

I don’t know how you do 17.1 divided by 0.9.

andreyandreev [35.5K]

The answer is 19

work :

1-multiply the numbers by a submultiple of 10 to remove the decimal points.
$17.1 \times 10 = 171 \\ \\ 0.9 \times 10 = 9$

2-

now do the division :
$171 \div 9 = 19$

so the answer is 19

note: there is no need to get it back to decimal number unless you multiply just one of the numbers or multiply the numbers with different submultiples of 10

good luck

7 0

2 years ago

Read 2 more answers

Plz help i dont want to fail ill mark bainlist

mamaluj [8]

It’s C mate! Hope this helps! :))

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2 years ago

The following statement are true about complex fraction,except?

Paraphin [41]

You didn’t even put the choices...

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