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elena55 [62]
3 years ago
6

What is the next term of the arithmetic sequence? 3,9,15,

Mathematics
1 answer:
dimulka [17.4K]3 years ago
5 0

Answer:

21

Step-by-step explanation:

3 + 6 = 9

9 + 6 = 15

15 + 6 = 21

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The function f(x) = –x2 – 4x + 5 is shown on the graph. On a coordinate plane, a parabola opens down. It goes through (negative
vagabundo [1.1K]

Considering the vertex of the parabola, the correct statement is given by:

The range of the function is all real numbers less than or equal to 9.

<h3>What is the vertex of a quadratic equation?</h3>

A quadratic equation is modeled by:

y = ax^2 + bx + c

The vertex is given by:

(x_v, y_v)

In which:

  • x_v = -\frac{b}{2a}
  • y_v = -\frac{b^2 - 4ac}{4a}

Considering the coefficient a, we have that:

  • If a < 0, the vertex is a maximum point, which means that the range is all real numbers less than or equal to y_v.
  • If a > 0, the vertex is a minimum point, which means that the range is all real numbers greater than or equal to y_v.

In this problem, we have that:

  • a = -1 < 0, hence the vertex is a maximum point.
  • The vertex is (-2,9).

Hence the range is described by:

The range of the function is all real numbers less than or equal to 9.

More can be learned about the vertex of a parabola at brainly.com/question/24737967

#SPJ1

5 0
2 years ago
Please answer this question with explanation!! Thanks
Georgia [21]
The answer would be 12 3/4 because when you continue use the pattern that is used you end up with your answer! Hope this helps
5 0
3 years ago
Which ratio is different?<br><br> 3 : 7<br><br><br> 3 to 7<br><br><br> 3/7<br><br> 7 to 3
Masteriza [31]

Answer:

7 to 3 is this answer

Step-by-step explanation:

if you noticed, with all the other ones they all have 3 : 7 in it. So by the process of elimination it's 7 to 3 that is different. I'll tell you why,

3 : 7, that is the ratio we have as an example. That's why it isn't the different one.

3 to 7, you say 3 : 7 as 3 to 7 to it still has the same ratio

3/7, this is how to type the fraction version of the ratio so it makes sense that it is the same one as 3 : 7.

7 to 3, if you haven't noticed yet, all of them has 3 : 7 as a counterpart. They are all the same but this one, this is 7 : 3 or 7 to 3. So with logic, this is the different ratio.

5 0
3 years ago
How do you solve this 2x +5 - 7x = 15
Serga [27]
1. combine like terms (2x and -7x) to create -5x
2. subtract 5 from each side to create: -5x=10
3. divide both sides by -5
4. x=-2
7 0
3 years ago
Giving Brainleist for BOTH answers::MATH
Veseljchak [2.6K]

Answer:

D

Step-by-step explanation:

If you have ten feet on one side and 8 feet on another mulitiply and 10 times 8 is 80 so theres your answer

5 0
3 years ago
Read 2 more answers
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