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motikmotik
3 years ago
14

I need help NOW please and if you can, go to my other questions and try to help me out with those tooo!!!!!!!

Mathematics
1 answer:
kari74 [83]3 years ago
3 0

Answer:

B. y = sinx

Step-by-step explanation:

kasi yan ang "Tamang Sagot"

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Proof by mathematical induction
Ghella [55]

Answer:

See below.

Step-by-step explanation:

I will assume that 3n is the last term.

First let  n = k, then:

Sum ( k terms) =  7k^2 + 3k

Now, the sum of k+1 terms  = 7k^2 + 3k + (k+1) th term

=  7k^2 + 3k + 14(k + 1) - 4

=   7k^2 + 17k + 10

Now 7(k + 1)^2 = 7k^2 +14 k + 7 so

7k^2 + 17k + 10

=  7(k + 1)^2  + 3k  + 3

= 7(k + 1)^2 + 3(k + 1)

Which is the  formula for the Sum of k terms with the k replaced by k + 1.

Therefore we can say if the sum formula is true for k terms then it is also true for (k + 1) terms.

But the formula is true for 1 term because  7(1)^2 + 3(1) = 10 .

So it must also be true for all subsequent( 2,3 etc) terms.

This completes the proof.

5 0
3 years ago
I need help with this one
timama [110]

Answer:

A, it is the 3rd line in a set of 8. 1/8 equals .125 Multiply 3X.125 and it equals .375

Step-by-step explanation:

5 0
3 years ago
What % of $10 = $2??????
Len [333]

Answer:

20% of 10= 2 is the answer

hope this helps!

8 0
2 years ago
 is the diameter of a circle with center P. The coordinates of the endpoints of the diameter are (1, 3) and (6, 6). What are th
Oksana_A [137]
See picture for answer.

3 0
3 years ago
Read 2 more answers
C please I named it rn!! I CANT GRADUATE Without IT!
vazorg [7]
.05*2000=100 Non-Sporting
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Hope I didn't mess up for your sake
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3 years ago
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