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Marta_Voda [28]
3 years ago
9

How to find a circumference of a circle​

Mathematics
2 answers:
Dahasolnce [82]3 years ago
8 0

Answer:

2πr is the formula to calculate

Step-by-step explanation:

GarryVolchara [31]3 years ago
3 0

Suppose you want to know the distance around a circle. That distance is called the circumference. If you know the distance across a circle which is called the diameter, then you can find the circumference by multiplying the diameter by π.

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Write<br> 9/18<br> in lowest terms
kogti [31]

Answer:

1/2

Step-by-step explanation:

7 0
2 years ago
The amount of money in a saving account increase from $250 to $270 what is the precent increase of the money in the savings acco
saveliy_v [14]

Answer:

8%

Step-by-step explanation:

percent increase = [ (difference between initial value and final value) ÷ initial value] x 100

⇒ percent increase = [ (270 - 250) ÷ 250] x 100 = 8%

7 0
2 years ago
Read 2 more answers
Let FICA tax rates be 7.65% on the first $127,200 of income from wages, and 1.45% on any income from wages in excess of $127,200
malfutka [58]

Answer:

The tax is split between employers and employees. They both pay 7.65% (6.2% for Social Security and 1.45% for Medicare) of their income to FICA, the combined contribution totaling 15.3%. The maximum taxable earnings for employees as of 2020 is $137,700.

<em>Correct </em><em>me </em><em>if</em><em> </em><em>you </em><em>want</em><em> </em><em>If </em><em>its </em><em>wrong</em>

5 0
3 years ago
two friends, Bob and Ben , each buy one lottery ticket. Each ticket contains six numbers from a total of 100 numbers (0-99). But
Anastaziya [24]
I would say Ben because the chance of the numbers being 1,2,3,4,5, 6 would be extremely low
7 0
3 years ago
(x-1)(x-3)(x+5)(x+7)=297
mihalych1998 [28]

First simplify the expression into polynomial form,

(x-1)(x-3)(x+5)(x+7)=297

x^4+8x^3-10x^2-104x+105=297

x^4+8x^3-10x^2-104x-192=0

Now factor into,

(x-4)(x+8)(x^2+4x+6)=0

Which means the solutions are,

x-4=0\implies\boxed{x_1=4}

x+8=0\implies\boxed{x_2=-8}

and then two complex solutions because determinant of the third factor D\lt0,

x^2+4x+6=0

x^2+4x+4=-2

(x+2)^2=-2\implies\boxed{x_3=i\sqrt{2}-2},\boxed{x_4=-i\sqrt{2}-2}

Hope this helps :)

5 0
3 years ago
Read 2 more answers
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