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dexar [7]
1 year ago
14

Write in descending order.420t + 201 to the 3rd power -210t to the 2nd power

Mathematics
1 answer:
nexus9112 [7]1 year ago
4 0

To answer this, we need to see the polynomial. Descending order is in a way that the first term of the polynomial will be three, the second (in descending order, two....and so on).

420t+20t3-210t2

In descending order is:

20t^3 - 210t^2 + 420t

So, the option is number two.

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3 years ago
Andrew fish tank holds 144 gallons of water. To clean the tank, he drains the water at a rate the water at a rate of 6 gallons p
Kobotan [32]

Answer:

8 minutes

Step-by-step explanation:

Since the level of the tank needs to be at two-thirds its original level, then this means that Andrew needs to drain only one-third of the fish tank. Therefore the amount of time it would take can easily be solved with this 2-step equation...

6t = 144 * \frac{1}{3} .... first multiply the right side of the equation

6t = 48   ... next divide both sides by 6

t = 8

Finally, we can see that it will take Andrew 8 minutes to drain the tank to two-thirds of its original level.

4 0
4 years ago
find each unit rate round to the nearest hundredth if necessary on a hundred and $140 for 18 ft squared
Marina86 [1]
Divide both by 18. 
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<span>So... $7.78 per foot</span>
4 0
3 years ago
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mario62 [17]

Answer:

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3 0
3 years ago
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