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Vlad1618 [11]
3 years ago
11

30x^3 + 20x^2 - 45 - 30 *

Mathematics
1 answer:
Katen [24]3 years ago
7 0

303+202−75Step-by-step explanation:

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When x = -3, then what does y equal?
bazaltina [42]

Answer:

y = - 6

Step-by-step explanation:

Locate x = - 3 0n the x- axis, then go vertically down until the line is met. At this point read the value of y from the y0 axis, that is

When x = - 3, y = - 6

7 0
3 years ago
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If carbon dioxide, methane, and water vapor were not in the atmosphere, then
Savatey [412]
<h2>Answer:</h2>

D. The Earth's surface would be much colder than it is.

<h3>Step-by-step explanation:</h3>

This is because warm temperatures and high levels of atmospheric carbon dioxide happen at about the same time. So if atmospheric carbon dioxide concentrations double warm up by between 2 and 4.5 degrees Celsius. On the other hand, water vapor promotes, as the greatest contributor, to the Earth’s greenhouse effect. In this way, if carbon dioxide, methane, and water vapor were not in the atmosphere, then it's obvious that the Earth's surface would be much colder than it is.

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A bottle holds 64 fluid ounces of lemonade. How much is this in pints?
myrzilka [38]

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64 / 16 = 4

4 0
3 years ago
From midnight to 6 am , the temperature rose 8C. at 6am, the temperature was -20c. what was the temperature at midnight?
murzikaleks [220]
Take -20 - 8 = -28 C. the temperature at midnight
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3 years ago
8.25 greater than 8.250
viktelen [127]
If you are asking if 8.25 is greater than than 8.250, the answer would be no because any zero that is extended from the original number would still be the same.

ex: 6.2  and   6.200000000

(The zeros could go on forever and it would still be the same number)

~Hope I Helped

7 0
3 years ago
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