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tia_tia [17]
3 years ago
15

Helpppp again plsss?!?!

Mathematics
1 answer:
Wittaler [7]3 years ago
4 0
X=12

Explanation: they are same side angles of the bisector, therefore they have the same measure
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Find the 6th term of the arithmetic sequence X – 9, -X – 11, -3.3 – 13, ...
MrMuchimi

Answer:

-13x-23

Step-by-step explanation:

Given sequence:  x-9, -x-11, -3x-13

Therefore,

  • a_1=x-9
  • a_2=-x-11
  • a_3=-3x-13

General form of an arithmetic sequence: a_n=a+(n-1)d

(where a is the first term and d is the common difference)

To find the common difference, subtract a term from the next term:

\begin{aligned}d & =a_2-a_1\\ & =(-x-11)-(x-9)\\ & = -x-11-x+9\\ & = -2x-2\end{aligned}

Therefore,

a_n & =(x-9)+(n-1)(-2x-2)

To find the 6th term, input n = 6 into the equation:

\begin{aligned}\implies a_6 & =(x-9)+(6-1)(-2x-2)\\ & = (x-9)+7(-2x-2)\\ & = x-9-14x-14\\ & = -13x-23\end{aligned}

3 0
3 years ago
What is the surface area of this cylinder ( rounded to nearest tenth)​
JulsSmile [24]

Answer:

Step-62.8m^2

Step-by-step explanation:

Surface area of a cylinder =  

r = 2m, h = 3m

= 62.83185

6 0
3 years ago
A coat that usually costs $120.00 is marked 1/3 off. What is the sale price of the coat?
dedylja [7]

If the coat is 120$ then 1/3 is taken off it would be 80$

Step-by-step explanation:

1/3 of 120 is 40. 40x 3 is 120.

7 0
3 years ago
Read 2 more answers
What is the value of C? <br><br> 55<br> 70<br> 95<br> 110
Lana71 [14]

Answer:

c°=70°

Step-by-step explanation:

taking that it would be an alternate interior totaling 180°

take the difference: 180°-110°=70°

4 0
3 years ago
If f(x) = 2 + 1, then f(3) =
Agata [3.3K]
F(3) is 3 since the equation of the line is f(x)=3
4 0
2 years ago
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