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neonofarm [45]
3 years ago
14

30 POINTS!!! HELP!!!! Which function best models the data in the table? use this as source image

Mathematics
1 answer:
stira [4]3 years ago
3 0
It’s the quadratic function uuuhhmmm
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What is the recursive rule for the sequence? -1,-0.5,0,0.5,1,...
Umnica [9.8K]

9514 1404 393

Answer:

  C

Step-by-step explanation:

The subscript (n-1) is used to indicate the term previous to term (n). In this sequence, each term is 0.5 more than the previous term, so the recursive relation ...

  a_n=a_{n-1}+0.5

is the appropriate one. This matches choice C.

__

<em>Additional comment</em>

Of course, if the next term is 0.5 more than the last, then the previous term is 0.5 less than the present one. The sequence can be described in this "backward" fashion by the recursive relation of choice A. While that <em>does work</em> to describe the sequence, it is usually <em>not</em> the form we desire for a recursive relation.

3 0
3 years ago
Which algebraic expressions are polynomials​
Ivan

Answer:

last option

Step-by-step explanation:

3.9x3 -4.1x2+7.3

6 0
3 years ago
THIS IS URGENT OR MY MOM WILL KILL ME: How many 2-digit decimals are there?
viva [34]

Answer:

They have two digits after the decimal point − or we say they have two decimal digits. We can also illustrate hundredths by dividing a square into a hundred parts.

Step-by-step explanation:

4 0
3 years ago
What is the length of ST?
adell [148]
Hi there!

Since ST is a tangent to the circle, we can use the relationship: tangent squared = external secant segment x entire secant segment.

WORK:
(I will be using x in place of ST)
x^2 = 7(23 + 7)
x^2 = 7(30)
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Hope this helps!! :)
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3 years ago
Write the algebraic expression:<br> Two times a number plus two
Travka [436]
2x+2 would be the expression
4 0
3 years ago
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