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bonufazy [111]
3 years ago
15

Find the 43rd term of the sequence 13.1,3.1,-6.9,-16.9,

Mathematics
2 answers:
ale4655 [162]3 years ago
6 0
The best answer is -406.9
lilavasa [31]3 years ago
4 0
<span> Arithmetic sequence.
a</span>₁ = 13.1; a₂ = 3.1

d = a₂ - a₁ = 3.1 - 13.1 = -10
a₄₃ = a₁ + d(n-1) = 13.1 - 10(43-1) = 13.1 - 10 * 42 = 13.1 - 420 = -406.9

Answer: -406.9

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Work out the length of X.
vlabodo [156]

Answer:

By Pythagoras theorem

H^2=P^2+B^2

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625=x^2 + 576

625-576=x^2

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x^2=49

x=√49

x=7cm

Hope this helps uhh

6 0
2 years ago
Write the equation of a line that goes the through the point (4 , -2) and is parallel to the line y = 3x - 1/3.
nataly862011 [7]

Answer:

y = 3x - 14

Step-by-step explanation:

If a line is parallel to another, it will have the same slope

So, the line's slope will be 3

Plug in the given point and the slope into y = mx + b, and solve for b

y = mx + b

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Plug in the slope and b into y = mx + b

y = 3x - 14

So, the equation is y = 3x - 14

4 0
3 years ago
For a 30 sided polygon, what is the degree of rotation?
ratelena [41]


interior angle of n-gon formula: 180 - ( 360 / n) 
a 30 sided polygon, so in this case n = 30
so
interior angle = 180 - ( 360 / 30) 
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answer
168 degrees
3 0
3 years ago
Read 2 more answers
Answer answer answer answer
Mice21 [21]

Answer:

12 \leqslant x < 26

4 0
3 years ago
What is the value of for the following data to three decimal places?
Ilya [14]
Answer (B) is you answer
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