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PtichkaEL [24]
3 years ago
6

Can someone explain step by step how to do #16?

Mathematics
1 answer:
bekas [8.4K]3 years ago
8 0
You want to make the denominator of the fractions to be equal to each other.

(2/n+8)+(4/n+1) multiply n+1 by n+8, and multiply n+8 by n+1

(4n+32/n^2+8)+(2n+2/n^2+8) Now that the denominators are equal we can solve the numinator by adding like terms.
4n+2n=6n, 32+2=34

Your final answer is 2(3n+17)/n^2+8

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The sum of all but one interior angle of a heptagon is 776°. The final angle must have a measure of
shutvik [7]
A heptagon has 7 sides.

Sum of all interior angles = (7 - 2) x 180 = 900°

900 - 776 = 124°

Answer: The final angle must be 124°
5 0
3 years ago
Read 2 more answers
I don’t know how to solve this.
aev [14]

Answer:

24

Step-by-step explanation:

put 2 over 3 and then simplify it then add the answer with 24

8 0
3 years ago
2) Unit rate is the price, or quantity, or distance of many items<br> O True<br> O<br> False
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True

Step-by-step explanation:

3 0
2 years ago
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What is the solution to the system of equations? -3x-y+z=6 -3x-y+3z=0 x-3z=3
valentina_108 [34]

Answer:X/3X=3

We move all terms to the left:

X/3X-(3)=0

Domain of the equation: 3X!=0

X!=0/3

X!=0

X∈R

We multiply all the terms by the denominator

X-3*3X=0

Wy multiply elements

X-9X=0

We add all the numbers together, and all the variables

-8X=0

X=0/-8

X=0

Step-by-step explanation:

4 0
3 years ago
Raphael can finish his math project in 3 hours. It takes Jai to do the same project in 4 hours. If they will work together as pa
zlopas [31]

Answer:

The answer would be 2:30

Step-by-step explanation: lets say they both take 3 hours, that would mean that if they work together, that means they can cut their time by half,

but if jai is slower paced it and takes about 1 hour more, just add 1 hour to the hour and 30 to be able to get 2:30

pls give brainliest.

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