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statuscvo [17]
3 years ago
5

The number of cases of a new disease can be modeled by the quadratic regression equation y = –2x2 + 36x + 6, where x represents

the year. Which is the best prediction for the number of new cases in year 15? A. 194 B. 96 C. 328 D. 614
Mathematics
2 answers:
Morgarella [4.7K]3 years ago
5 0

Calculating the equation looks like 96 so B)

zheka24 [161]3 years ago
4 0

You just need to plug in 15 for X in the equation. so, -2(15)2+36(15)+6 so the anwser is 486

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This equation shows how the total number of postcards Jared buys is related to the number of days he spends on vacation.
Brums [2.3K]

Answer:

Postcards bought was 9

Step-by-step explanation:

<h3><u>P = 3D</u></h3>

where,

  • P = total number of postcards
  • D = days of vacation = 3 days

⟼ P = 3D

prince number of days of vacation is 3 therefore we multiply 3 by 3

⟼ P = 3(3)

multiply 3 by 3

⟼ P = 9

\therefore Jared bought 9 postcards

5 0
2 years ago
What is the angle of rotation of the minute hand of a clock moving from 6:10 to 7:00?
german
Thank you for posting your question here at brainly. Feel free to ask more questions.  

The best and most correct answer among the choices provided by the question is <span>D.300°</span>.<span>       
    </span><span>
Hope my answer would be a great help for you.</span>
7 0
3 years ago
Please Help!! Brainliest Answer! Thank you
eduard
Your answer is B. Since the side line is 52, and you can rotate it to match the line, in which its not too much smaller than the line.
3 0
3 years ago
Read 2 more answers
–2 + 4/5x = 6 <br> What's is X?
scoray [572]

I think it is 2

Hope this helps:)

8 0
3 years ago
Read 2 more answers
Which of the following is the result of expanding 4 £ n=1 (2n-3)
geniusboy [140]

Answer: 8

Step-by-step explanation: the given expression is 2n-3

so when n=1, we will get, 2(1)-3=2-3=-1

when n=2, we will get, 2(2)-3= 4-3=-1

when n=3, we will get 2(3)-3= 6-3=3

when n=4, we will get 2(4)-3 = 8-3=5

so the required result of expansion is -1+1+3+5=8

answer is 8.

hope that helped!

3 0
4 years ago
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