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qaws [65]
2 years ago
12

How long will it take 4 workers to complete a task, given that it takes 10 days for 6 workers to complete the same task?

Mathematics
2 answers:
Pavel [41]2 years ago
7 0

Answer: it will take 8 days for 4 workers

elixir [45]2 years ago
5 0

Answer:

12 i think

Step-by-step explanation:

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. Orlando needs to fix windows in his house. He must buy 3 feets of wood,
ira [324]

Answer:(7x3)+(4x24)=117

Step-by-step explanation:

Since he needs 3 feet of wood and it is 7 dollar per foot, you need to multiply 7 by 3. Since he needs 4 pieces of glass and its 24 dollars per glass multiply 4 by 24. Add the products. Ur done!

4 0
2 years ago
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The midnight express train take 9 hours to travel 1818 kilometers with no stop at that rate how many kilometers will the travel
bija089 [108]

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808 kilometers

The drawings will help

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3 years ago
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A typical cup of coffee contains about 100 mg of caffeine and every hour approximately 16% ofthe amount of caffeine inthe body i
Over [174]

Answer:

a) \frac{dC}{dt} = rC

And for this case we can rewrite the model like this:

\frac{dC}{C} = r dt

If we integrate both sides we got:

ln C = rt + k

If we use exponentials for both sides we got:

C = e^{rt} e^k = C_o e^{rt}

For this case C_o = 100 mg and r = -0.16

So then our model would be given by:

C(t) = 100 e^{-0.16 t}

Where t represent the number of hours

b) C(5) = 100 e^{-0.16*5}= 44.9329

Step-by-step explanation:

Part a

For this case we can assume the proportional model given by:

\frac{dC}{dt} = rC

And for this case we can rewrite the model like this:

\frac{dC}{C} = r dt

If we integrate both sides we got:

ln C = rt + k

If we use exponentials for both sides we got:

C = e^{rt} e^k = C_o e^{rt}

For this case C_o = 100 mg and r = -0.16

So then our model would be given by:

C(t) = 100 e^{-0.16 t}

Where t represent the number of hours

Part b

For this case we can replace the value t=5 into the model and we got:

C(5) = 100 e^{-0.16*5}= 44.9329

7 0
3 years ago
There are 2 green,5 yellow, 6 red,and 7 blue marbles in a bag. Erin picks one marble from the bag without looking. What is the p
Svetach [21]

Answer:

c 35%

Step-by-step explanation:

2 green,5 yellow, 6 red,and 7 blue marbles

2+5+6+7 = 20 marbles

P(blue) = blue marbles / total marbles

             = 7/20

              = 35/100

               =35%

7 0
2 years ago
The distance between A (-4, 2) and B(4, 2) is.<br> answers;<br> a - 6<br> b - 8<br> c - 4
Fofino [41]
B-8. This is because -4 to 0 is 4 and then 0-4 is 4. 4+4=8
6 0
2 years ago
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