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spin [16.1K]
2 years ago
7

Use quadratic regression to find a

Mathematics
1 answer:
trasher [3.6K]2 years ago
8 0
Y=-2x^2-4x+9

Apologies if I am incorrect.
You might be interested in
Circle A has been enlarged to create circle A'. The table below shows the circumference of both circles.
stich3 [128]

Answer:

Option (2) 1.5

Step-by-step explanation:

Rule for the dilation of an image by a scale factor is,

Scale factor = \frac{\text{Radius of image circle A'}}{\text{Radius of pre-image A}}=\frac{r'}{r}

                    = \frac{(2\pi) r'}{(2\pi) r}

                    = \frac{\text{Circumference of image}}{\text{Circumference of pre-image}}

                    = \frac{10.5}{7}

                    = 1.5

Therefore, scale factor was used to create a circle A' = 1.5

Option (2) will be the correct option.

8 0
3 years ago
Three vertices of a rectangle are given. Find the coordinates of the fourth vertex.
kykrilka [37]
The distance between (2,5) and (6,1) is:

\sf Distance = \sqrt{\left( 6 - 2 \right)^2 + \left( 1 - 5 \right)^2} \\\\  =\sqrt{ 16 + 16} \\  \\ = \boxed{\bf{4 \sqrt{ 2 } }}

The distance between the fourth vertex and (4,-1) should also be 4√2

The only point that gives us that distance is B. (0,3)

\sf Distance = \sqrt{\left( 4 - 0 \right)^2 + \left( -1 - 3 \right)^2} \\ \\= \sqrt{ 16 + 16} \\  \\ = \boxed{\bf{4 \sqrt{ 2 } }}

Your final answer is B. (0,3)
5 0
3 years ago
Due soon, Need help ASAP!
777dan777 [17]
Your answer is B. The slope is negative and your y-intercept is at (0,8)
4 0
3 years ago
Read 2 more answers
Can anyone please solve this quickly?
cricket20 [7]

Answer:

c = 10

Step-by-step explanation:

3 is to 6 as 5 is to c:

 3       5

----- = -----

  6       c

Then 3c = 30, and c = 10

8 0
3 years ago
(4x^2y^3)^2<br><br> what’s the answer
nexus9112 [7]

Answer:

4x^4y^6

Step-by-step explanation:

(4x²y³)²=

4x^4y^6

4 0
3 years ago
Read 2 more answers
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