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Serhud [2]
2 years ago
5

What is f(x)=-2x+7, where x=-5

Mathematics
1 answer:
Amiraneli [1.4K]2 years ago
3 0

Answer:

the answer is 17 since you multiply a negative 5 by a negative which is positive 10 and add 7 to that its 17

Step-by-step explanation:

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What 468 times 120 divided by 2
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Answer:

28080

Step-by-step explanation:

Firstly, multiply 468 with 10, which gets you 4680. Then multiply that with 12 which gets you 56160.

After you take that, divide the number by 2.

Final answer is 28080.

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Find the nth term of this quadratic sequence<br> 3, 11, 25, 45, .
Hoochie [10]

The term of the given quadratic sequence is found to be 3n² - n + 1 using the principle of mathematical induction.

Given,

In the question:

The quadratic sequence is :

3, 11, 25, 45, ...

To find the nth term of the quadratic sequence.

Now, According to the question;

The first term of the sequence is 3, the second term is 11, the third term is 25, and the fourth term is 45.

The difference between the first and second terms can be calculated as follows:

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The difference between the second and third terms can be calculated as follows:

25-11 = 14

The difference between the third and fourth terms can be calculated as follows:

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The sequence is expressed as follows:

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The difference between consecutive terms expands by 6.

Use the principle of mathematical induction.

6(\frac{n(n+1)}{2} )

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Learn more about Principle of mathematical induction at:

brainly.com/question/29222282

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Stels [109]

Answer:

D,

Step-by-step explanation:

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