3 years ago

Find the explicit formula for the nth term of the 2/9,0,2/9,0,......

1 answer:

8 0

The odd-numbered terms are $\dfrac19+\dfrac19$ , while the even-numbered terms are $\dfrac19-\dfrac19$ , so one formula for the sequence is

$a_n=\dfrac19\left(1+(-1)^{n+1}\right)$

where $n\ge1$ .

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Find indicated values: m AB = m ABC = m BAC = m ACB =

FinnZ [79.3K]

AB
It is indicated in the figure and is valid:
m AB = 49
m ABC
Angle resulting from the following subtraction:
m ABC = 360-107 = 253
m BAC
Angle resulting from the sum of the two angles shown in the figure:
m BAC = 107 + 49 = 156

m ACB
Angle resulting from the following subtraction:
m ACB = 360-49 = 311

5 0

3 years ago

Read 2 more answers

The perimeter of triangle ABC is 54. the triangle has side lengths AB=3x, BC=4x, AC=5x. Find the length of each side.

elena-14-01-66 [18.8K]

The perimeter of a triangle is the sum of its sides. So, we have

$P = \overline{AB}+\overline{BC}+\overline{AC}$