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djverab [1.8K]
3 years ago
13

Use quadratic regression to find the

Mathematics
1 answer:
umka21 [38]3 years ago
3 0

9514 1404 393

Answer:

  y = x^2 +10x -9

Step-by-step explanation:

Quadratic regression generally requires the use of "technology" to aid in finding the equation of the curve of best fit. Use the technology you've been introduced to.

__

When only a few data points are provided, I prefer to use the Desmos graphing calculator. It shows the equation to be ...

  y = x^2 +10x -9

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A triangular prism and two nets are shown:
leonid [27]
The net for a triangular prism consists of 
2 identical triangles, here all nets have sides 5,12, and 13.
3 rectangles, all with a common dimension: the height H=14 of the prism.

Each of the 3 rectangles should have dimensions
H=14 plus one of the following:
each of 5, 12, 13 corresponding to one side of the base (triangle).

So the dimensions of the rectangles are
5x14, 12x14, 13x14

And dimensions of the triangles are
5,12 and 13.

The total surface area is therefore
(5+12+13)*14 + 2*(5*12/2)
=420+60
=480.

There is only one net that satisfies this condition.

8 0
3 years ago
What are all the ways you can get 48 from multiplying
Rufina [12.5K]
1 x 48
2 x 24
3 x 16
4 x 12
6 x 8
6 0
3 years ago
Solve for x.<br><br> −(−2−5x)+(−2)=18<br><br><br> x=−90<br><br> x=−185<br><br> x=185<br><br> x = 90
Shtirlitz [24]
-(-2-5x)+(-2)=18
2+5x-2=18
5x=18
x=18/5=3.6
5 0
3 years ago
Read 2 more answers
Any help would be appreciated! :)
ikadub [295]

Answer:

-7, then -13, then -19

Step-by-step explanation:

Plug in x values to get y.

y = -2(0) - 7

y = 0 - 7

y = -7

y = -2(3) - 7

y = -6 - 7

y = -13

y = -2(6) - 7

y = -12 - 7

y = -19

Hope this helps. :0)

7 0
2 years ago
Read 2 more answers
A coffe table is on sale for 20% off the orgingial price of $115. If there is 7.5% sales tax, what is the original price of the
Anuta_ua [19.1K]

Answer: 98.90

Step-by-step explanation:

115*.2=23

115-23=92

0.075*92=6.9

6.90+92=$98.90

3 0
3 years ago
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