2 years ago

Which polynomial is a difference of two squares? (4 points)

Mathematics

1 answer:

Zinaida [17]2 years ago

7 0

Answer:

${x}^{2} - 36$

Step-by-step explanation:

${x}^{2} - 36 \\ \\ = {x}^{2} - {6}^{2}$

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What element has 6 protons and 9 neutrons

insens350 [35]

Answer:

A carbon atom.

Step-by-step explanation:

All carbon atoms have 6 protons however the amount of neutrons can vary but doesnt change the element.

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3 years ago

Plz help!<br> Which table shows a linear function?

Nikitich [7]

The second table. A linear function is a function where adding the same amount to x should add the same amount to y.

In table 2, you can see that adding 1 to x adds 2 to y. All the other tables describe non-linear functions.

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3 years ago

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What is the answer to this: 2/5 x -4/7

Roman55 [17]

X= 2 1/2 simplify it and you will get 5/2.Hope this helps. :-)

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3 years ago

Lin has a scale model of a modern train. The model is created at a scale of 1 to 48. The height of the model train is 102 millil

alekssr [168]

Answer: The actual height of train = 4.896 meters.

Step-by-step explanation:

Since we have given that

Lina has a scale model of a modern train

Model is created at a scale is given by

1:48

Height of the model train = 102 millimeters

We need to find the actual height of the train.

Since there is direct variation between model and actual height of the train.

According to question,

$\frac{1}{48}=\frac{102}{x}\\\\x=102\times 48\\\\x=4896\ millimeters\\\\x=4.896\ m$

Hence, the actual height of train = 4.896 meters.

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2 years ago

Evaluate:<br> -1 + 8(-9) -|-3-7

Fiesta28 [93]

Answer:

-63

Step-by-step explanation:

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2 years ago