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Llana [10]
3 years ago
8

Which polynomial is prime?

Mathematics
2 answers:
zmey [24]3 years ago
8 0

Answer:

x^2 + 9

x^2 + 3x + 9

Step-by-step explanation:

UkoKoshka [18]3 years ago
3 0
Factors that are 1 and itself.
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How do you evaluate 3x+8 when x=2?
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Plug the x in :)

3(2) + 8
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In parallelogram DEFG, DH = x + 3, HF = 3y, GH = 4x – 5, and HE = 2y + 3. Find the values of x and y.
marissa [1.9K]

Here, DH = HF 

x+3 = 3y

x = 3y-3   ----(I)

GH = HE

4x-5 = 2y+3

4x = 2y+8

Substitute value of x,

4(3y-3) = 2y+8

12y-12 = 2y+8

12y-2y = 12+8

10y = 20

y = 2

Now, substitute it in equation 1,

x = 3(2)-3

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So, your final answer is      x=3  & y=2



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The temperature outside was 3°F at midnight. During the next hour the temperature fell 7°. What was the temperature at 1 A . M
Dahasolnce [82]

If the temperature was 3 degrees Fahrenheit at Midnight, and it dropped 7 degrees during the next hour, then the temperature at 1 A.M. would be -4 degrees Fahrenheit. This is true because 3 - 7 = -4.

So, the answer to this question is that the temperature was -4 degrees Fahrenheit at 1 A.M.

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A ball is thrown upward from the top of a 40 foot high building at a speed of 80 feet per second. The ball's height above
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it takes 5 seconds to reach a height of 40 ft. and It takes 2.5 seconds to reach maximum height.

Let h(t) represent the height of the ball at time t.

Given that the height is given by:

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1) For the ball to reach a height 0f 40 ft, h(t) = 40, hence:

40 = -16t² + 80t + 40

16t² - 80t = 0

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Hence it takes 5 seconds to reach a height of 40 ft.

2) The maximum height is at h'(t) = 0,

h'(t) = -32t + 80

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32t = 80

t = 2.5

It takes 2.5 seconds to reach maximum height.

Find out more at: brainly.com/question/11535666

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Quizizz help please 10 pts each Brainiest guaranteed even if wrong
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Answer:hn kjbokn

Step-by-step explanation:

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