3.283 you look one decimal place to the right which is an 8. Since this is greater than 5, the two in the thousandth place is rounded up to a three.
The answer is <span>a. T(n+1)=1/2n^2+3/2n+1
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T(n) = 1/2n² + 1/2n = 1/2(n² + n)
T(n + 1) = 1/2((n+1)² + (n+1))
(a + b)² = a² + 2ab + b²
(n + 1)² = n² + 2n + 1
T(n + 1) = 1/2(n² + 2n + 1 + n + 1) =
= 1/2(n² + 3n + 2) =
= 1/2n² + 3/2n + 1
Answer:
1/3
Step-by-step explanation:
Area of triangle is 36cm^2
Area of parallelogram is 45cm^2
The figure = 81cm^2
