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Mkey [24]
3 years ago
9

a and b together can do a work in 10 days B and C together can do the same work in 15 days a b and c together can do the same wo

rk in 8 days then how many days can B alone do this work​
Mathematics
1 answer:
trasher [3.6K]3 years ago
4 0

Answer:

hauqvuauq shuavauvqsjahw w

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I need help with this problem <br><br><br> -8(2v-2)=-4(7+5v)
Ne4ueva [31]

Answer: I'm not sure if this is right or not but I got U = 4

Step-by-step explanation: -8(2v-2)=-4(7+5u. So first I distributed and got -16v -16 = 28 + 20u. And then I added 16u with 20u I added because you change the sign like if it's a negative you make it a positive so once you do 20u+16v you should get 36 and then on the other side it should be -16+16 which equals -16u from when you distributed so now you should have -16u=28+36 so now you would add 28 the 36 since they both are positives and have no variables which you should get 64 and then on the left you should have 16u. So it looks like -16u=64. And then now you would divide -16u on both sides and the side with the variable put it or v whatever variable you want to use and then do 64 divided by 16 and you should get 4.

6 0
3 years ago
What is the value of x?<br><br><br><br> Enter your answer in the box.
OverLord2011 [107]
5x + 10           10
---------- =      -------
   121               11

make the bottom have same common denominator

10/11 x (10/10) = 100/121

Get rid of the denominator (for both now have 121 as a base)

5x + 10 = 100

5x + 10 (-10) = 100 (-10)

5x = 90

5x/5 = 90/5

x = 18

x = 18  is your answer

hope this helps
4 0
3 years ago
Read 2 more answers
(help please due today)
Viktor [21]
For 11 on the dot plot its only supposed to be 2 dots because u only see two 11’s the mean is 78/15 which equals 5.2 the mode is 5 the range is 11-1 which equals 10
3 0
2 years ago
20 POINTS PLEASE HELP
Andru [333]
The figure RQTS is a clockwise rotation of figure DEFC, then:
The image of CD is
Answer: Option C. RS
8 0
2 years ago
Find the value of x to the nearest tenth.
Alex73 [517]

64 - 9 = 55  \sqrt{55}  =  7.4161984871

7.4161984871/2 ≈3.7

6 0
3 years ago
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