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Elenna [48]
3 years ago
12

A arithmetic sequence has a common ??????

Mathematics
1 answer:
klasskru [66]3 years ago
5 0
Difference
1 2 3 4 5 ... n
difference is 1
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Give the value of x .<br><br> A. 60 degrees<br> B. 180 degrees<br> C. 120 degrees<br> D. 45 degrees
Harrizon [31]

Answer:

x=120°

Step-by-step explanation:

sum of all angles in a triangle is equal to 180

let the unknown angle be

\alpha

60 + 60 +  \alpha  = 180 \\  \alpha  = 180 - 60 - 60 \\  \alpha  = 60 \\

\alpha  + x = 180 \\ x = 180 -  \alpha  \\ x = 180 - 60 \\ x = 120

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2 years ago
In Diagram 6, JCK is a tangent to the circle ABC
Igoryamba

Answer:

C

Step-by-step explanation:

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2 years ago
Determine the nature of the roots:
malfutka [58]

Answer:

A.  2 distinct roots.

Step-by-step explanation:

2x^2 + 8x + 3 = 0

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=  64 - 24

= 40

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5 0
3 years ago
I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS PLEASE
kotykmax [81]
The answer is 1,2,4,6,8 because the circle has a circumference of 9
4 0
2 years ago
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Airida [17]
A+s=496

s=496-a

and we are also told that:

s=3a

Since s=s we can say:

3a=496-a  add a to both sides

4a=496  divide both sides by 4

a=124

So 124 adult tickets were sold.
3 0
3 years ago
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