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meriva
3 years ago
6

What is the correct classification of x2 + 3x + 8?

Mathematics
2 answers:
Lubov Fominskaja [6]3 years ago
8 0
No options ??? hopefully im correct i believe its 5x+8                                            tell me if i was wrong

emmasim [6.3K]3 years ago
6 0

Answer: trinomial

because this is problem has 3 terms in it which is trinomial.   Tri=3

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P(x) = 2x² + 1<br> What is the inverse for p(x)?
Serhud [2]

Answer:

P^{-1} (x)=\sqrt{\frac{x-1}{2} }

Step-by-step explanation:

1. P(x)=2x^{2} +1

2. y=2x^{2} +1

3.x=2y^{2} +1

4.2y^{2} =x-1

5.y^{2} =\frac{x-1}{2}

6.y=\sqrt{\frac{x-1}{2} }

7.P^{-1} (x)=\sqrt{\frac{x-1}{2} }

4 0
4 years ago
Each edge of a cube measures 12.1 in.<br><br> What is the surface area of the cube?
REY [17]
878.46 in. is your answer! Hope this helps!
8 0
3 years ago
Whats 90 divided by 2 times 5
Allisa [31]

Answer:

225

Step-by-step explanation:

90 divided by 2 is 45, 45 times 5 is  225

4 0
3 years ago
Read 2 more answers
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Eva8 [605]
I think the answer is C.

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Then start to solve for n.

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I hope that helps.
7 0
3 years ago
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature is 45 degrees at midnig
Nady [450]

Answer:

D = 45+19*sin(\frac{\pi}{12}*t)

Step-by-step explanation:

The amplitude (A) and the mean (M) temperature are given by:

A=\frac{64-26}{2}\\ A= 19\\M=\frac{64+26}{2}\\ M= 45\\

The mean temperature, 45 degrees. occurs at midnight (t=0) and the frequency is f=24h. Therefore, the temperature D, in degrees, as a function of t, in hours, is:

D = M+A*sin(\frac{2\pi}{24}*t)\\D = 45+19*sin(\frac{\pi}{12}*t)

5 0
4 years ago
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