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lord [1]
3 years ago
11

Find the next 4 terms using inductive reasoning. 2, -6, 18, -54, 162

Mathematics
1 answer:
vova2212 [387]3 years ago
6 0

Answer:

-486, 1458, -4374, 13,122

Step-by-step explanation:

each number is multiplied by -3

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Find the area of this regular polygon (trigonometry) !!! Please and thank you !! Bogus answers reported
777dan777 [17]
If we join the Center with different corners of the polygon,we find 10 Isoceles triangle with equal side=9.14cm, Making an angle of 36° between the equal sides.

Area of 1 triangle= a*b*sinC/2
= 9.14*9.14*Sin36°/2
= 9.14*9.14*0.587/2
=24.51 cm^2

Area of 10 triangle= 24.51*10
= 245.1cm^2

6 0
4 years ago
Find the surface area of the regular pyramid. A triangular pyramid. The base triangle has a base of 9 yards and a height of 7.8
Anuta_ua [19.1K]

Answer:

You would multiply 90x7.8 to get the answer.

Step-by-step explanation:

9x10=90.

4 0
2 years ago
Resolve the expression <img src="https://tex.z-dn.net/?f=%5Cfrac%7B%28x-2%29%7D%7B%28x%5E%7B2%7D%20%2B1%29%28x-1%29%5E%7B2%7D%20
Llana [10]

The partial fraction expansion will look like

(<em>x</em> - 2)/((<em>x</em> ² + 1) (<em>x</em> - 1)²) = (<em>ax</em> + <em>b</em>)/(<em>x</em> ² + 1) + <em>c</em>/(<em>x</em> - 1) + <em>d</em>/(<em>x</em> - 1)²

Get everything in terms of a common denominator, and compare the numerators on both sides:

<em>x</em> - 2 = (<em>ax</em> + <em>b</em>) (<em>x</em> - 1)² + <em>c</em> (<em>x</em> ² + 1) (<em>x</em> - 1) + <em>d</em> (<em>x</em> ² + 1)

Expand the right side:

<em>x</em> - 2 = (<em>ax</em> + <em>b</em>) (<em>x</em> - 1)² + <em>c</em> (<em>x</em> ² + 1) (<em>x</em> - 1) + <em>d</em> (<em>x</em> ² + 1)

<em>x</em> - 2 = (<em>a</em> + <em>c</em>) <em>x</em> ³ + (-2<em>a</em> + <em>b</em> - <em>c</em> + <em>d</em>) <em>x</em> ² + (<em>a</em> - 2<em>b</em> + <em>c</em>) <em>x</em> + <em>b</em> - <em>c</em> + <em>d</em>

<em />

Match up the coefficients and solve the resulting system of equations:

<em>a</em> + <em>c</em> = 0

-2<em>a</em> + <em>b</em> - <em>c</em> + <em>d</em> = 0

<em>a</em> - 2<em>b</em> + <em>c</em> = 1

<em>b</em> - <em>c</em> + <em>d</em> = -2

==>   <em>a</em> = -1, <em>b</em> = -1/2, <em>c</em> = 1, <em>d</em> = -1/2

So the expansion into partial fractions is

(<em>x</em> - 2)/((<em>x</em> ² + 1) (<em>x</em> - 1)²) = (-<em>x</em> - 1/2)/(<em>x</em> ² + 1) + 1/(<em>x</em> - 1) - 1/(2 (<em>x</em> - 1)²)

… = -(2<em>x</em> + 1)/(2 (<em>x</em> ² + 1)) + 1/(<em>x</em> - 1) - 1/(2 (<em>x</em> - 1)²)

5 0
3 years ago
The product shown is a difference of squares. What is the missing constant term in the second factor?(–5x – 3)(–5x + )
dalvyx [7]

Answer:

3

Step-by-step explanation:

the missing no is 3

I have answered ur question

6 0
3 years ago
Read 2 more answers
Which ratio is NOT equal to 6/9?<br> A 2/3<br> B 8/12<br> C 12/18<br> D 18/24
Likurg_2 [28]

Answer:

18/24

Step-by-step explanation:

the second number is 2/3 of the first number

6 0
3 years ago
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