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Setler [38]
3 years ago
13

The model represents a polynomial of the form ax2 + bx + c.

Mathematics
2 answers:
kipiarov [429]3 years ago
6 0

Answer:

For ed2020

Answer: (3x – 1) and (x + 4)

For me that was the (second option) but it could be different for you...

Step-by-step explanation:

daser333 [38]3 years ago
3 0

Answer:  The equation modeled is

3x2 – 4x + 1 = (3x – 1)(x – 1) . Much easier to understand with the symbols:

3x^{2} -4x +1 = (3x-1)(3x-1)

Step-by-step explanation:

    x   x  .x  -1  

x   x² x² x² -x

-1  -x -x- x  +1

That is how I interpreted the "tile" set up.

Now count up the factors:  

There are 3 x² .   There are 4 -x and  a  +1

That's the third answer choice.

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Which of the following expressions is correctly written in scientific notation?
valentinak56 [21]

Answer: D is correctly written in scientific notation.

Step-by-step explanation:

The base has to be between 1 and 10.

A has a base of 16.4 which is greater than 9.

B is not even in scientific because the base it being raise to an exponent

C has 0.71 as base which is less that.

3 0
2 years ago
what is the equation, in slope-intercept from, of the line that is perpendicular to the line y - 4 = -2/3 (x -6 ) and passes thr
Ne4ueva [31]

Turn y - 4 = -2/3(x - 6) into a linear equation.

y - 4 = -2/3(x - 6)

y - 4 = -2/3x + 4

 +4                +4

y = -2/3x + 8

The equation that is perpendicular to y = -2/3x + 8 is y = 3x + 4 as shown in the image below using a graph.


5 0
3 years ago
In parallelogram WXYZ, what is CY?<br> 11 ft<br> 15 ft<br> 21 ft<br> 23 ft
erastovalidia [21]

Answer:

15 ft

Step-by-step explanation:

In a parallelogram the diagonals bisects each other

So WC= CY

x+4=2x-7 solve the equation for x

Subtract x from both sides

x-x+4=2x-x-7

4=x-7

Now we add 7 on both sides

4+7=x-7+7

x=11

Now we need to find CY

CY= 2x-7

Plug in 11 for x

CY= 2(11)-7=22-7= 15

6 0
3 years ago
Read 2 more answers
Write a story to match the equation x + 2 1 2 = 10 . Explain what x represents in your story. Solve the equation. Explain or sho
lawyer [7]

Answer: x=5

Step-by-step explanation:

If you break the fraction into a whole number it would be 5 and 10 minus 5 is 5. so x=5

3 0
2 years ago
Which point is 10 units from (2,5)
zalisa [80]

Answer:

All the points on (x - 2)² + (y - 5)² = 100

Step-by-step explanation:

It should be the circle with its center on point (2,5) and radius is 10.

(h , k) : center of circle (2,5)    h = 2     k = 5

r: radius     r = 10

Circle: (x - h)² + (y - k)² = r²

(x - 2)² + (y - 5)² = 100

5 0
3 years ago
Read 2 more answers
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