Answer:x=9/34
Step-by-step explanation:
To find the value of x in 9/4x=8 1/2
Change 8 1/2 to improper fraction
17/2
9/4x=17/2
Cross multiply
18=68x
divide through by 68
x=9/34
Answer:
x=(-1+-√ 10)/3
Step-by-step explanation:
number in the square root is the discriminant
Answer:
x = 1
y = 2
Step-by-step explanation:
the intersecting point is (1,2)
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25 pairs of vertical angles are formed.
<u>Step-by-step explanation:</u>
Suppose there are N distinct lines, which produces N squared pairs of vertical angles.
If we have 2 distinct lines, then we have 4 pairs of vertical angles are formed.
2 distinct lines, then 2² = 4 pairs of vertical angles
3 distinct lines, then 3² = 9 pairs of vertical angles
4 distinct lines, then 4² = 16 pairs of vertical angles
Here we have 5 distinct lines, and these lines produces 5² pairs of vertical angles.
So here 25 pairs of vertical angles are formed by 5 distinct lines.