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barxatty [35]
3 years ago
10

a cell phone plan offers 250 minutes each month for 15.00 dollars per month. what is the cost per minute when a person uses all

250 minutes in a month?
Mathematics
1 answer:
Nezavi [6.7K]3 years ago
4 0
It costs 0.06 cents each minute.

Explanation : $15/250 minutes = $0.06
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If u(x) = x5 – x4 + x2 and v(x) = –x2, which expression is equivalent to (StartFraction u Over v EndFraction) (x)? x3 – x2 –x3 +
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Step-by-step explanation

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3 years ago
One hose can fill a small swimming pool in 65 minutes. A larger hose can fill the pool in 35 minutes. How long will it take the
tatuchka [14]

Answer:

22.75 minutes or 22 minutes 45 seconds

Step-by-step explanation:

Okay, this is a working together question. Let’s walk through it together!

Firstly, let’s say the total volume of the swimming pool is x sq.meters

Now, the rate of the smaller hose would be x/65 while that of the larger will be x/35

Now, their combined rate would be x/65 + x/35 = 100x/2275

Now, since the volume is x, the time taken is simply, the volume divided by the joint rate. That is mathematically equal to x divided by 100x/2275

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8 0
3 years ago
T- 4t^2 + 2t^3<br> What is the degree of the polynomial?
Eduardwww [97]

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Write a polynomial function of the least degree that has roots of 3 and (4 + i).
polet [3.4K]

Answer:

  • x³ - 11x² + 41x - 51

Step-by-step explanation:

The least number of degree is 3 and the third root should be (4 - i) to make polynomial rational.

<u>The polynomial is:</u>

  • (x - 3)(x - (4 + i))(x - (4 + i)) =
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  • (x - 3)(x² - 8x + 17) =
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2 years ago
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