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Rudiy27
3 years ago
13

Jason is removing weeds from his garden. He estimates that there are 150 weeds in his garden at the moment, and he can remove we

eds at a rate of 3 per minute. At this rate how many minutes (m) will it take Jason to only have 30 weeds remaining in the garden?
Mathematics
2 answers:
Vlada [557]3 years ago
6 0
40 minutes! 150-30 = 120. Then 120/3 = 40
oee [108]3 years ago
4 0

Answer:

40 minutes

Step-by-step explanation:

→ Take the total away from the amount he wants left

150 - 30 = 120

→ Divide this by his rate

120 ÷ 3 = 40 minutes

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Answer:

Power generated = 4.315 kW

Step-by-step explanation:

Given,

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According to the law of conservation of energy

Energy generated = change in kinetic energy

Since, the air is exiting at same elevation. So, we will consider only kinetic energy.

Energy generated in one second will be given by,

E\ =\ \dfrac{1}{2}.mV^2-\dfrac{1}{2}.m.U^2

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So, energy is generated in one second = 4.315 kJ

Power generated can be given by,

P\ =\ \dfrac{\textrm{energy generated}}{time}

And the energy is generated is already in per second so power generated will be 4.315 kW.

   

   

   

   

   

8 0
3 years ago
what is -2/3 times -12. This questions is related to converting slope point form into slope intercept form.
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Answer:

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Step-by-step explanation:

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