Answer:
4, 7, 12, 19 and 103
Step-by-step explanation:
Substitute n = 1, 2, 3, 4, 10 into the n th term formula, that is
1² + 3 = 1 + 3 = 4
2² + 3 = 4 + 3 = 7
3² + 3 = 9 + 3 = 12
4² + 3 = 16 + 3 = 19
Thus the first 4 terms are 4, 7, 12, 19
10² + 3 = 100 + 3 = 103
Thus the 10 th term is 103
Answer:
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Step-by-step explanation:
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Answer:
1. x + y = 180
2. x = 50 y= 130
Step-by-step explanation:
They're parallel.
We can label the unamed angle z.
So z = y
and 50 = x
There's 360 degrees in a circle, so x + y= 180 because it's half 360 and half a circle.
x=50
so 50 + 50 = 100.
360 - 100 = 260
so 260 ÷ 2 = 130
y = 130 because y and z are equal so they're the same number
Answer:
3.8
Step-by-step explanation: