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UkoKoshka [18]
3 years ago
6

(x^3- 3x^2+5x) - (7x^3+ 5x^2-12)

Mathematics
1 answer:
shtirl [24]3 years ago
5 0

Answer:

-6x^3-8x^2+5x+12

Step-by-step explanation:

See attachment

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You have $60.00. You wish to buy a jacket costing $25.50. You would also like to buy a pair of shorts. There is a 7% sales tax o
nirvana33 [79]

Answer:

  $30.57

Step-by-step explanation:

Your budget requires ...

  ((jacket cost) + (shorts cost)) × 1.07 ≤ $60

Dividing by 1.07, we get ...

  (jacket cost) + (shorts cost) ≤ $56.07

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8 0
3 years ago
Determine whether the given value is a statistic or a parameter. A homeowner measured the voltage supplied to his home on all 7
elixir [45]

Answer:

A. The given value is a parameter for the week because the data collected represent a population    

Step-by-step explanation:

Parameters in a study refers to the numbers that are used to summarize the data for the entire population. Whereas, a statistic are used to summarize the data from a sample only.

In the context, it is given that a person measures the voltage supply to his home for all the seven days and finds the average value of the voltage. The homeowner here considers the population of his sample to make his study.

Thus it is a parameter for the entire week as the data represents a population.

6 0
3 years ago
Find the area of the sector of the circle with central angle of 205° and radius of 7 cm. Use 3.14 for pi(π) and round to the nea
pychu [463]

Answer:

87.61 {cm}^{2}

Step-by-step explanation:

area =  \frac{205}{360}  \times \pi {r}^{2}  \\  =  \frac{205}{360}  \times 3.14 \times  {7}^{2}  \\  = \frac{205 \times 3.14 \times 49}{360}  \\  = 87.61

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em> </em><em>you</em><em>.</em>

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3 years ago
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