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pogonyaev
4 years ago
15

Help please I don't understand

Mathematics
2 answers:
Dennis_Churaev [7]4 years ago
4 0

Answer:

a52=64.4

Step-by-step explanation:

The formula for an arithmetic sequence is

an = a1+d(n-1)

a1 =3.2   (it is the first term)

We can find the common difference by taking the second term and subtracting the first term

4.4-3.2 =1.2

d=1.2

n = the term number we are looking for

an = 3.2 +1 .2(n-1)

We are looking for the 52nd term so n=52

a52 = 3.2 +1 .2(52-1)

    = 3.2 + 1.2(51)

    = 3.2+61.2

     = 64.4

dsp734 years ago
4 0

Answer:

  • 3.2,4.4,5.6,6.8,7.10,8.12,9.14.10.,6

Step-by-step explanation:

And so on, what you are gonna do is count like this:3,4,5,6,7,8

the 2nd # on all of them, u will have two add 2! I hope this helpssss!










                                         :)................................

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Cerrena [4.2K]

Answer:

Radius = 2.31 cm

Step-by-step explanation:

Area of circle = 16.71 square centimeters

\pi r^2 = 16.71 \\3.14r^2=16.71\\r^2=\frac{16.71}{3.14}\\r^2=5.32\\\sqrt{r^2}=\sqrt{5.32}\\r=2.306

Radius of circle = 2.31 centimeter

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| | Ghostgate | |
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