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WARRIOR [948]
3 years ago
11

one pump can empty the pool in 5 days, whereas a second pump can empty the pool in 7 days. how long it will take the two pumps,

working together, to empty the pool?
Mathematics
1 answer:
PtichkaEL [24]3 years ago
7 0
4 days jfjdhsbsiegebehehebeihrhe
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Add.<br> 0.6+(-2.1)<br> Enter your answer, as a decimal, in the box.
olasank [31]

Answer:

0.6-2.1=1.5

Step-by-step explanation:

0.6-2.1=-1.5

0.6-2.1= - I2.1-0.6I

2.1

-0.6

--------

1.5

3 0
3 years ago
Help please<br> This question is stressing me out
Delvig [45]

Answer:

Maximum: C= 6(5) + 2y or <u>C= 30 + 2y</u>

Step-by-step explanation:

X can be greater than or equal to 0, but can also be less than or equal to 5.

Y is greater than or equal to 0.

4 times x then subtracted by y is greater than or equal to 1.

Since X can't go higher than 5, the maximum is 5.

Y can be anything since it can be greater than or egual to 0 and either way it would be greater than one.

I hope I could help!

7 0
3 years ago
26 divided by 100,60 pls help
kolbaska11 [484]

Answer:

0.25844930417

Step-by-step explanation:

I hope this is the answer but I dont think it is.

8 0
2 years ago
The expression -7y is called what
ohaa [14]

Answer:

called "pi".

Step-by-step explanation:

8 0
3 years ago
–10.9p + 3.9 = –9.18
marin [14]

Answer:

1.308

Step-by-step explanation:

–10.9p + 3.9 = –9.18

=> -10.9p=-9.18-3.9

=> -10p=-13.08

=> p=-13.08/-10

cut minus sign from both sides

=> p= 13.08/10

=> p= 1.308

please mark as brainliest

5 0
3 years ago
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