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Snowcat [4.5K]
4 years ago
10

PLEASE HELP!!! 10 POINTS!!

Mathematics
1 answer:
Damm [24]4 years ago
4 0
Well I'm sorry if this isn't right but (a)
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What is the sum of ​​​​​​12,837.45 and 15,910.65? Enter your answer in the box below.
Minchanka [31]

Answer: 28748.1

Step-by-step explanation:

6 0
3 years ago
1/u+1/v=1/f solve for v<br><br>please show work/explain
Gala2k [10]

Answer would be


V= - uf/f-u


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6 0
4 years ago
An arithmetic sequence is given below.
Helga [31]

Answer:

n5 + 17

Step-by-step explanation:

They're asking for a pattern.

17 + 5 = 22

22 + 5 = 27

27 + 5 = 32

So it starts at 17 and increases by five each time.

The nth term increases by 5 each time and starts at 17. That means the nth term is multiplied by 5 each time, but you have to add 17 because that's where the pattern starts.

n5 + 17

6 0
3 years ago
Find a third-degree polynomial equation with the rational coefficients that has roots -3 and 1+i
jolli1 [7]

Answer:

x³ + x² − 4x + 6 = 0

Step-by-step explanation:

Imaginary roots come in conjugate pairs.  So if 1+i is a root, then 1−i is also a root.

(x − (-3)) (x − (1+i) (x − (1−i)) = 0

(x + 3) (x² − (1+i) x − (1−i) x + (1+i) (1−i)) = 0

(x + 3) (x² − x − ix − x + ix + 1 − i²) = 0

(x + 3) (x² − 2x + 2) = 0

x (x² − 2x + 2) + 3 (x² − 2x + 2) = 0

x³ − 2x² + 2x + 3x² − 6x + 6 = 0

x³ + x² − 4x + 6 = 0

3 0
3 years ago
How do write 125% as a decimal
castortr0y [4]

To convert to a decimal, you can do long division, dividing 5 into 4. Or, you can realize 5/4 = 1 and 1/4, = 1.25. 125/100 is easier to see as a decimal. 125/100 = 1 and 25/100.

8 0
4 years ago
Read 2 more answers
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