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Ray Of Light [21]
3 years ago
9

Which equation is a quadratic model for the data set? Hint: Use a graphing calculator or a spreadsheet program.

Mathematics
1 answer:
Ivahew [28]3 years ago
4 0

The equation that model a quadratic function is:  y=0.9673x²-0.8475x+10.4334

Step-by-step explanation:

A quadratic function has the form of ;

f(x) = ax²+bx+c  where a, b and c are real numbers and a≠0

For this case, equation y=0.9673x²-0.8475x+10.4334 models a quadratic function where a>0 thus the parabola opens upwards

See attached figure below to visualize the graph

Learn More

Quadratic functions graphs: brainly.com/question/9048896

Keywords : equation, quadratic model, data set, calculator, spreadsheet program.

#LearnwithBrainly

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What is x?<br> 3(x - 4) - 14 = 2(x - 7) + 6
ValentinkaMS [17]
3(x - 4) - 14 = 2(x - 7) + 6 \\ \\ 3x - 12 - 14 = 2x - 14 + 6 \ / \ expand \\ \\ 3x - 26 = 2x - 14 + 6 \ / \ simplify \\ \\ 3x - 26 = 2x - 8 \ / \ simplify \\ \\ 3x = 2x - 8 + 26 \ / \ add \ 26 \ to \ each \ side \\ \\ 3x = 2x + 18 \ / \ simplify \\ \\ 3x - 2x = 18 \ / \ subtract \ 2x \ from \ each \ side \\ \\ x = 18 \ / \ simplify \\ \\

The final result is x = 18.
4 0
3 years ago
Read 2 more answers
Help me with these math problems
Alina [70]
Just rearrange the inequalities to make x the subject.

2 + y <= 3
Subtract 2 from both sides.
y <= 1

7x > 56
Divide both sides by 7.
x > 8
3 0
3 years ago
I do not know how to draw this in full scale​
dezoksy [38]

Answer:

  use the actual dimensions on your drawing

Step-by-step explanation:

"Full scale" simply means you use the actual object dimensions on your drawing of it.

If you don't know the meaning of "plan view", "front elevation", or "side elevation," you may need to consult your curriculum materials or any of numerous references on mechanical drawing.

For this object, I would say a "front elevation" is the view from the point marked "Y". A "side elevation" is the view from the point marked "X". A plan view is the view from above.

__

If you draw, on paper, patterns for cutting out the pieces that make up the object, you will be well on your way to making the required drawings. For example, the face ABCPEF would represent the front elevation. (The only thing added on the drawing of it is a dashed line representing hidden line RQ 1 cm below line AB.)

The side elevation is the shape of AQHGF on top of the shape EMLD. On your drawing of it, the line for EM is the same line as the line representing FG.

The top (plan) view is the shape CPNK with lines in the appropriate places to represent the edges EM, FG, and RQ.

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Orthogonal views of an object like this are different from the kind of drawing you would make if you were trying to make a "net" for folding or calculating surface area. A net has every face actual size. Here, every face is represented the way it would be seen from a given direction. Slanted faces never show up actual size.

5 0
3 years ago
What is the inverse of the function f(x) = 2x - 10?
EastWind [94]
F-1(x)=x/2+5
explanation:
5 0
3 years ago
The sale price of an item is $180 after a 25% discount is applied. What is the original price of the item?
Valentin [98]
So
100%=original
25% discount
100-25=75
it is 180 sale
75%=180
find 100%

a hack is to recognize that 75/3 times 4=100 so
75%=180
divide 3
25%=60
times 4
100%=240


the real way is proportions
75:180 =100:x
75/180=100/x
multiply both sides by 180x
75x=18000
divide 75
x=240



origitnal price=$240
3 0
3 years ago
Read 2 more answers
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