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PtichkaEL [24]
4 years ago
6

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

Mathematics
1 answer:
bekas [8.4K]4 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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D is in the interior of ∠ABC, m∠ABD=63°, and m∠DBC=23°.<br><br> Find m∠ABC
irga5000 [103]

Answer:

<ABC= 86 degrees

Step-by-step explanation:

7 0
3 years ago
You spend 20 minutes watching television. You then spend 1 hour reading email. Write the ratio of the amount of time spent watch
guajiro [1.7K]

Answer:

1 hour = 60 minutes

20 minutes = 1/4 of 60 minutes, which means 60 minutes = 4/4


when you write ratios, the larger number goes first - 60 minutes out of 15 minutes = 4/1, so the ratio in simplest form is 4:1


hope this helped!



4 0
4 years ago
Read 2 more answers
If you have a box and the length, width, &amp;height measure 4ft can hold
tankabanditka [31]
4x4x4=64 so its volume is 64
5 0
3 years ago
Solve for X<br><br> PLEASE HELP ME
guapka [62]

Answer:

x = 10°

Step-by-step explanation:

Step 1:

92° + x° + 78° = 180°             Supplementary Angles

Step 2:

x° + 170° = 180°         Combine Like Terms

Step 3:

x° = 180° - 170°       Subtract 170° on both sides

Answer:

x = 10°

Hope This Helps :)

4 0
3 years ago
PLS HELP ME ASAP FOR 25!! (MUST SHOW WORK!!) + LOTS OF POINTS!!
Serggg [28]
If the rate at which the temperature fell is 4/5 degree/hour then we can simply multiply 5 hours to get our answer. 

4/5 * 5/1 = 20/5 = 4

So, it would change a total of 4 degrees.

I hope this helps. If something is confusing or this answer is wrong, don't be afraid to drop me a DM telling me what is wrong.
5 0
3 years ago
Read 2 more answers
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