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Westkost [7]
1 year ago
10

For the following polynomial expression, find its number of terms and degree:82? y? + 327 g2 + 22y-Y.Number of terms (number val

ue only):Degree of polynomial (number value only):

Mathematics
1 answer:
Gre4nikov [31]1 year ago
5 0

There are 4 terms in the given expression.

The degree of the polynomial is the highest sum of the exponent of each term. The term 8x³y² has the highest sum on their exponents which is 5. Therefore, the degree of the polynomial is 5.

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It is thought that not as many Americans buy presents to celebrate Valentine's Day anymore. A random sample of 40 Americans yiel
evablogger [386]

Answer:

98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day

 (0.3672 , 0.7328)

Step-by-step explanation:

<u><em>Explanation:</em></u>-

Given Random sample size n =40

Sample proportion

                            p = \frac{x}{n} = \frac{22}{40} = 0.55

98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day

   

          (p-Z_{\alpha } \sqrt{\frac{pq}{n} } , p + Z_{\alpha } \sqrt{\frac{pq}{n} } )

         

The Z-value Z₀.₉₈ = Z₀.₀₂ = 2.326

98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day

    (0.55-2.326\sqrt{\frac{0.55 X0.45}{40} } , 0.55 + 2.326\sqrt{\frac{0.55 X0.45}{40} } )

  ( 0.55 - 0.1828 , 0.55 + 0.1828)

  (0.3672 , 0.7328)

         

6 0
3 years ago
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Tina was given the function y = x 2+ x – 5. For what x value(s) would y = 15?
ziro4ka [17]

Answer:

the correct answer is 4

Step-by-step explanation:

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y = 4^2 + 4 - 5

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y = 15

6 0
2 years ago
3/4(ad).. solve.. a=12 d=9​
kipiarov [429]

Answer:

hope it helps you see the attachment for further information

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Answer: The amount of money from the previous month times 4.

Step-by-step explanation:

8 0
3 years ago
The figure shown is formed by the arcs joining the midpoints of the four sides of a square with a side length of 15 centimeters.
Mademuasel [1]
Ok so if The area of the square is 15 * 15. then what you need to do is subtract the total area of the 4 white sectors of a circle. Together, the 4 sectors form one circle of radius 7.5. Now yu need to have in mind that the area of the circle they jointly form is pi * (7.5)^2. So  15 * 15 - pi * (7.5)^2 =<span>48.29
Hope this is useful</span>
4 0
3 years ago
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