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Mila [183]
3 years ago
10

Find the nth term of this quadratic equation 3, 11, 25, 45

Mathematics
1 answer:
Helen [10]3 years ago
6 0

Answer:3n^2-n+1

Step-by-step explanation:

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45 is a common multiple

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In order for two triangles to be similar, all corresponding pairs of angles must be __________.
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Supplementary idk if it’s this cuz I just started learning this and the teacher said all triangles equal 180 degrees so I hope this helped
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Carrie is comparing the growth of plants under natural and artificial light sources.
Elenna [48]

Answer:

Median :

P = 2 ; Q = 3.5

Variability :

P = 1.5 ; Q = 1.5

Step-by-step explanation:

The measure of center we can infer from the box plot is the median, which is the point marked by the vertical line in between the box ;

For Group P:

Median = 2 inches

For Group Q :

Median = 3.5 inches

To infer the variability :

We calculate the interquartile range (IQR) :

IQR = Q3 - Q1

Q3 = Upper quartile (end point of box) ; Q1 = lower quartile (start point of box) in the plot

Locate QI and Q3

Group P:

IQR = Q3 - Q1 = 3 - 1.5 = 1.5

Group Q :

IQR = Q3 - Q1 = 4.5 - 3 = 1.5

8 0
2 years ago
Use the following terms to describe the challenging environment of west and central Africa : Deforestation, desertification, mal
Neporo4naja [7]
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3 0
3 years ago
PLEASE PLEASE HELP!!!!
Usimov [2.4K]

Answer:

B

Step-by-step explanation:

\cos( \alpha )  +  i\sin( \alpha )  =  {e}^{i (\alpha   + 2\pi)}

z = 3(cos π/2 + i sin π/2) =→

3 {e}^{i \frac{\pi}{2} }

z⁷ =

{3}^{7}  {e}^{i \frac{7\pi}{2} }  =   {3}^{7}  {e}^{i \frac{(7 - 4)\pi}{2} }  =  {3}^{7}  {e}^{i \frac{3\pi}{2} }  =  {3}^{7} ( \cos( \frac{3\pi}{2} )  + i \sin( \frac{3\pi}{2} ) ) = 2187( \cos( \frac{3\pi}{2} )  + i \sin( \frac{3\pi}{2} ) )

6 0
2 years ago
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