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Annette [7]
3 years ago
15

Please help with this

Mathematics
2 answers:
IRISSAK [1]3 years ago
5 0

Answer:

x^2+12x+27

Step-by-step explanation:

The area of the blue is

x*x = x^2

The area of the pink is

9x

The area of the green is

3x

The area of the orange is

3*9 = 27

Add them together

x^2 +9x+3x+27

Combine like terms

x^2+12x+27

fgiga [73]3 years ago
3 0

Answer:

<u>x^2 +12x +27</u>

Step-by-step explanation:

Area of rectangle =Length xWidth

=(x+9)(x+3)

=x^2 +3x +9x +27(by expanding)

<u>=x^2 +12x +27</u>

Hope this helps...

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3. A rabbit and turtle are in a race. Is the relationship between distance
frutty [35]

Answer:

The relationship is proportional for the turtle and the equation is Distance = 54*Time

Step-by-step explanation:

Turtle’s run:

Distance (meters) | Time (minutes)

108                        | 2  

405                       | 7.5

540                       | 10

1768.5                   | 32.75

Rabbitt’s run:

Distance (meters) | Time (minutes)

800                       | 1  

900                       | 5

1107.5                    | 20

1524                      | 32.5

The relationship between distance traveled and time is proportional if this equation is satisfied:  

Distance = k*Time or k = Distance/Time

where k is a constant

For the turtle:

108/2 = 405/7.5 = 540/10 = 1768.5/32.75 = 54

Then, the relationship is proportional and the equation is Distance = 54*Time

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800/ 1 = 800  

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1107.5/20  = 55.375

1524/32.5  = 46.89

Then, the relationship is not proportional.

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3 years ago
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