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frosja888 [35]
3 years ago
5

Write formula for arithmetic sequence when first term is not given

Mathematics
1 answer:
SashulF [63]3 years ago
8 0
An<span> = am</span><span> + (n – 1)d.
i feel like this can work</span>
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Help pls!!!!!!<br> Brainiest goes to first answer
Viktor [21]
3x+1 djdjdjdjdidjdjdjfjdjdjdj
8 0
2 years ago
Find the exact area of the circle with the given radius. r = 4.5 m
Alexus [3.1K]
The area of a circle is Pi * R^2 (or R * R).
Since we have our radius, R, we can solve.
With our given answer choices, we do not need to multiply R by Pi, instead we will square R, as that's our only option.
4.5 x 4.5 = 20.25.
Our area is now 20.25Pi.
Your answer is C.) 20.25Pi.
I hope this helps!
4 0
3 years ago
Can you guys answer this ?​
nika2105 [10]

Answer:

-7

...................

7 0
3 years ago
Read 2 more answers
8 and 1/4 + 3 and 5/6
k0ka [10]

Answer:

12 1/12

Step-by-step explanation: so, we have to make the bottom number the same as eachother or we will not be able to add effectively. So the first number that both 4 and 6 go into is 12, as you can see if we count by the numbers to get to the answer

4,8,12

6,12

So, now that we have that part figured out we would then have to multiply the top the same amount as we multiplied the bottom. So 1/4x3 and 5/6x2

So we would multiply both the top and the bottom the same amount.

1/4x3=3/12

5/6x2=10/12

So now that we have that figured out everything else is pretty straight forward.

We would add the whole numbers with eachother and the fractions with eachother.

8+3=11

3/12+10/12=13/12


so we can see that it would equal, 11 and 13/12 or 12 and 1/12

8 0
2 years ago
-8+(-4)+(-2)+(-1)+(-1/2)+.... what is the sum of the first 7 terms of the geometric series
likoan [24]
Your answer is 15.875

-8+(-4)+(-2)+(-1)+(-1/2)+(-1/4)+(-1/8)
you half the previous vaule to find the next value

8 0
3 years ago
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