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natta225 [31]
2 years ago
15

What is the next number in the sequence?

Mathematics
1 answer:
charle [14.2K]2 years ago
8 0
Looks like the next term in the sequence is generated by multiplying the previous term by 3 and adding 1:

1\times3+1=4
4\times3+1=13
13\times3+1=40
40\times3+1=121

If the pattern holds, the next term is probably going to be

121\times3+1=364
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Answer and how to do it
ollegr [7]

Answer:

(x - 9)^2 + y^2 = 36

Step-by-step explanation:

The equation of a circle in standard form is

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You are given

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In order to put the equation in standard from, we need to complete the square. Since there is no y term, the y part is simply y^2, and there is no need to complete the square for y. For x, we do have an x term, so we must complete the square in x.

Start by grouping the x terms and subtracting 45 from both sides.

x^2 - 18x + y^2 = -45

Now we need to complete the square for x.

x^2 - 18x ~~~~~~+ y^2 = -45

The number that completes the square will go in the blank above, and it will also be added to the right side of the equation.

To find the number you need to add to complete the square, take the coefficient of the x term. It is -18. Divide it by 2. You get -9. Now square -9 to get 81. The number that completes the square in x is 81. Now you add it to both sides of the equation.

x^2 - 18x + 81 + y^2 = -45 + 81

(x - 9)^2 + y^2 = 36

Answer: (x - 9)^2 + y^2 = 36

6 0
3 years ago
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zimovet [89]
Step by Step:

(z^2 -2z)(10z-20)

z(z-2)+10(z-2)

(z+10)(z-2)

Hope this helps.
8 0
2 years ago
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