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Annette [7]
3 years ago
8

Does this graph represent a function?​

Mathematics
1 answer:
just olya [345]3 years ago
5 0
Yea it does! it goes up
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Pemdaswhat is the PEMDAS of 40 - 32 / 8 + 5 x - 2 ​
irina1246 [14]

Answer:

5x+34

Step-by-step explanation:

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3 years ago
Which association best describes the scatter plot?
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No association because the dots are just scattered all over the graph

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3 years ago
Write the equation of the ellipse with foci at (-2,2) and (4,2) and major axis of length 10 *
Luda [366]

Answer:

The answer to your question is   \frac{(x - 1)^{2}}{25} + \frac{(y - 2)^{2}}{16} = 1          

Step-by-step explanation:

Data

Foci  (-2, 2)  (4, 2)

Major axis = 10

Process

1.- Plot the foci to determine if the ellipse is vertical or horizontal. See the picture below.

From the graph we conclude that it is a horizontal ellipse.

2.- Determine the foci axis (distance between the foci)

                  2c = 6

                    c = 6/2

                    c = 3

3.- Determine a

                  2a = 10

                    a = 10/2

                    a = 5

4.- Determine b using the Pythagorean theorem

                   a² = b² + c²

-Solve for b

                   b² = a² - c²

                   b² = 5² - 3²

                   b² = 25 - 9

                   b² = 16

                   b = 4

5.- Find the center (1, 2)  From the graph, it is in the middle of the foci

6.- Find the equation of the ellipse

                      \frac{(x - 1)^{2}}{5^{2}} + \frac{(y - 2)^{2}}{4^{2}} = 1

                       \frac{(x - 1)^{2}}{25} + \frac{(y - 2)^{2}}{16} = 1                

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2 years ago
Subtract -2x^2+4x-1 from 6x^2+3x-9
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-8x^2+7x-10 should be the answer...if not go to connects it’s an app that helps and live people help you solve the problem
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What is the sum of (1.3 × 10-7) and (-3.8 × 10-3)?
SVETLANKA909090 [29]

b. -2.5 × 10-4  is the answer




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