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r-ruslan [8.4K]
3 years ago
8

Can someone please help

Mathematics
2 answers:
Nata [24]3 years ago
5 0
F(x)= x^2-3x+4
f(-2)= (-2)^2 - 3(-2) + 4
= 4+6+4
=14
klemol [59]3 years ago
4 0
You just plug in the -2 for x to get the equation -2^2–3•-2+4= 6
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3 years ago
Matthew is making a sequence in which -3 is added to each successive term. The 6th term in his sequence is -1. What is the 1st t
Hatshy [7]

Answer:

The first term is 14.

Step-by-step explanation:

The general formula for this kind of sequence (arithmetic) is a(n) = a(1) + (n-1)c, where c is the common difference.  Here, we have a(6) = -1 = a(1) + (6-1)(-3), or -1 +15 = a(1).  The first term is 14.



3 0
3 years ago
If the area of a circle is 64 pie square centimeters, then what is its radius
andrey2020 [161]

Answer:

8

Step-by-step explanation:

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3 years ago
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kirill [66]

Answer:

-50

Step-by-step explanation:

First, we must know that ab is the same as:

ab is the same as a multiply b

Now, since a is given as -5, we can substitute a with -5. This is shown below:

substitute ab with -5

Similarly, b is given as 10. So, we can substitute b with 10:

substitute b with 10

With this, we can now evaluate ab as shown below:

ab is equal to -50

7 0
2 years ago
Based on the diagram , P, Q, R and S are four vertices of a regular polygon with centre O.
seropon [69]

Answer:

Is it 12?Yes,I think it's 12.

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