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valkas [14]
2 years ago
5

Which of the following is a perfect square trinomial?

Mathematics
1 answer:
Bezzdna [24]2 years ago
3 0

Answer:

D.~4x^2-20xy+25y^2

Step-by-step explanation:

4x^2-20xy+25y^2\\\\=(2x)^2-2\cdot 2x \cdot 5y+(5y)^2\\\\=(2x-5y)^2

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A gardener measures every plant in her garden and notes that 28% are under 6 inches, 54% are between six and 8 inches and the re
Masteriza [31]

<u>Answer:</u>

The vertical axis should begin with 0 inches.

<u>Step-by-step explanation:</u>

The vertical axis must start with 0 inches to ensure accuracy for the measures of every plant since 28% of the plants in the garden are under 6 inches.

If the vertical axis begins with 6 inches or above, we can miss a lot of the gardener's data, especially the plants which are under 6 inches.

Therefore, to ensure that the graph does not mislead any measures of the plant, the vertical axis must begin with 0 inches.

3 0
3 years ago
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Grant can swim 4/10 lap per minute. At that rate how many laps can he swim in 1 hour
Amiraneli [1.4K]
24 laps

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3 years ago
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Answer: C 18000

Step-by-step explanation:

6 0
3 years ago
Un recipiente cilíndrico tiene un diámetro de 160cm. y la misma altura. ¿Cuánto litros de agua puede caber?
Len [333]

Respuesta:

3215360 cm³

Explicación paso a paso:

Dado que :

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8 0
3 years ago
Combine the like terms to create an equivalent expression:<br>−5+(−5r)+10 
Slav-nsk [51]
Answer is R+10
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