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AVprozaik [17]
3 years ago
11

PLEASE HELP, ILL GIVE YOU 15

Mathematics
1 answer:
Anestetic [448]3 years ago
8 0

Answer:

2700

Step-by-step explanation:

9x20x15= 2700

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A student scored 84 and 87 on their first two quizzes. Write and solve a compound inequality to find the possible values for a t
BARSIC [14]

Answer:

The score in third quiz must be lie between 84 to 99 inclusive.

Step-by-step explanation:


8 0
3 years ago
Factor these expressions into an equivalent form.
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(c+8)(c-8)

3(2y+5)(2y-5)

There are no like terms so it's still ab^2-b
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We want to find the zeros of this polynomial: p(x)=(2x-1)(x+3)(x+1)(x-2) Plot all the zeros (xxx-intercepts) of the polynomial i
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Answer:

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8 0
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                

3 0
3 years ago
Sara and Collin's ages add up to 85. Sara is ten years older than foustimes
malfutka [58]

Answer:

Collin is 37.5 and Sara is 47.5

Step-by-step explanation:

s+c=85

c+10=s

(c+10)+c=85

2c+10=85

2c=75

c=37.5

s+(37.5)=85

s=47.5

8 0
3 years ago
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