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fenix001 [56]
3 years ago
15

Help me with the question of O.math​

Mathematics
1 answer:
Mashutka [201]3 years ago
6 0

Answer:

24

Step-by-step explanation:

2*1+1+2*2+1+2*3+1+2*4+1=24

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a winery has a vat with two pipes leading to it. the inlet pipe can fill the vat 7 hours, while the outlet pipe can empty it in
raketka [301]
Lets say, for ease, that the vat can hold a total of 70 gallons (or whatever you would like to use.) Use whatever number you want, I just picked this because it gives us a lot of clean numbers. 

Now, if the inlet can fill it in 7 hours, that means that it is adding 10 gallons per hour. (70 gal/7 hours = 10 gal/hr)

For the outlet, use the same process, and you find that it drains the vat at 7 gallons per hour. 

So, if you subtract the outlet from the inlet, you get 10 - 7 = 3 gallons per hour added. 

Now just divide the size of the vat by that number, and you find your answer. 

70 gallons / 3 gallons per hour = 23 1/3 hours. 
6 0
3 years ago
6 more than a number w is 2
never [62]

Given a number w, six more than that number is w+6. If you want this result to be 2, you have

w+6=2

Subtract 6 from both sides to get

w = 2-6=-4

3 0
3 years ago
PLEASE HELP ME!!!!!!!!!!! WILL GIVE BRAINLIEST AND RATING!!!!!!!!!!!!
Kitty [74]
This will give us
2n-1-(-7n+2)=2n-1+7n-2=9n-3
That is the second option.
Please mark me as brainliest.
4 0
3 years ago
ASAP PLZ I WILL GIVE BRAINLIEST TO RIGHT ANSWER​
alexgriva [62]

Answer:

15

Step-by-step explanation:

when its 2 negative they turn to a positive

6 0
2 years ago
Read 2 more answers
Look at the following sequence. 51, 5.1, 0.51, 0.051, . . .
lukranit [14]
Hello there.
The sequence is being divided by ten
51/10= 5.1
5.1/10 = 0.51
0.51/10 = 0.051,
and so on.
You can also reverse the following sequence and multiply it by ten.
3 0
3 years ago
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