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ivanzaharov [21]
3 years ago
14

What if we say that x's value is 2. Do 2x and x to the second power have the same value?

Mathematics
1 answer:
Basile [38]3 years ago
8 0
Yes. Substitute 2 for x.

We have
2x=2(2)=2^2=4
x^2=2^2=2(2)=4
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When the bird is 2 feet away from the first fence post, it reaches its minimum height of 4 feet  , Minimum at (2,4)

Therefore Option C and D is the correct answer.

<h3>What is a Quadratic Function?</h3>

The equation for a quadratic function is given by

y = a(x-h)² +k²

where (h,k) is the extreme value(vertex).

Here the equation given is

y = x²-4x +8

y = x²-4x+4+4

y = (x-2)² +4

Here the value of a = 1 , h = 2 and k = 4

The extreme value is at (2,4)

Therefore When the bird is 2 feet away from the first fence post, it reaches its minimum height of 4 feet  , Minimum at (2,4)

Therefore Option C and D is the correct answer.

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7 0
2 years ago
Find the quotient. Use a model to help you divide
Marianna [84]

Answer:

Step-by-step explanation:

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6 0
2 years ago
The difference between the value of the sample statistic and the value of the corresponding population parameter is called the _
mel-nik [20]

Answer: c. sampling error

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Since, the sample is a subset of population , so there are chances for unavoidable variation in sample mean from the population mean that varies from sample to sample .

This variation is known as sampling error.

∴ The difference between the value of the sample statistic and the value of the corresponding population parameter is called the sampling error .

Hence,the correct answer is c. sampling error .

7 0
2 years ago
Please help me with this and thank you
katovenus [111]

Answer:

The answer is D

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3 years ago
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r

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3 years ago
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