3 years ago

Anyone Know The Answer?

Mathematics

1 answer:

solong [7]3 years ago

5 0

C and A ...................

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Write an expression to describe the sequence below. Use n to represent the position of a term in the sequence, where n = 1 for t

inessss [21]

Step-by-step explanation:

$a_1=6\\a_2=a_1+1\to a_2=6+1=7\\a_3=a_2+1\to a_3=7+1=8\\a_4=a_3+1\to a_4=8+1=9\\\vdots\\\\\text{The recursive formula}\\a_n=\left\{\begin{array}{ccc}a_1=6\\a_n=a_{n-1}+1\end{array}\right\\\\\text{It's an arithmetic sequence with}\ a_1=6\ \text{and difference}\ d=1\\\\\text{The explicit formula of an arithmetic sequence:}\\\\a_n=a_1+(n-1)d\\\\\text{Substitute:}\\\\a_n=6+(n-1)(1)\\a_n=6+n-1\\a_n=5+n\\\\a_n=n+5$

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3 years ago

C^2 = 27<br><br> Pls help me I’m doing my missing math work :,)

LekaFEV [45]

Answer c=5.196
c=sqrt(27)
c=5.196

8 0

3 years ago

Questione Simplify Cosa + 2Cos(a +240")

melamori03 [73]

Step-by-step explanation:

$\cos(a) + 2 \cos(a + 240)$

$\cos(a) + 2 \cos(a) \cos(240) - \sin(a) \sin(240)$

$\cos(a) + 2( - \frac{ \cos(a) }{2} + \frac{ \sqrt{3} }{2} \sin(a) )$

$\cos(a) - \cos(a) + \sqrt{3} \sin(a)$

$\sqrt{3} \sin(a)$

If you graph the new identity, and the og identiy, they will be conciding graphs, so they are the same identity.

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2 years ago

WHATS THE ANSWER?? answer ASAP NO FILE

Angelina_Jolie [31]

Answer:

Step-by-step explanation:

it is a because the shape is moving to the side

3 0

3 years ago

Read 2 more answers

I need help with Geometry

Bezzdna [24]

Answer:

angle 2 = 120 degrees

angle 3 = 30 degrees

Please let me know if you want me to add an explanation as to why this is the answer/how I got this answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

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3 years ago