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marishachu [46]
3 years ago
15

Which equation of the least squares regression line most closely matches the data set?

Mathematics
2 answers:
GREYUIT [131]3 years ago
3 0
We can find the least square regression line and its equation using the Microsoft Excel tool or any Online Calculator. All the calculations can also be performed by hand,but that would be a lengthy procedure. 

Enter the given values in first two columns. Then go to insert tab and insert a scatter plot for the given data. The graph is shown in the attached figure. From the graph we can that the equation of least square equation line is 
y = 5.5x + 52

Thus, option B is the correct answer

Natali [406]3 years ago
3 0

Answer:

Step-by-step explanation:

that is not the answer i just did the test and got it wrong because i put that answer in the real answer is c

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If (x + 2) is a factor of x3 − 6x2 + kx + 10, k =
ch4aika [34]

Answer:

The value of k is -11

Step-by-step explanation:

If (x+2) is a factor of x3 − 6x2 + kx + 10:

Then,

f(x)=x3 − 6x2 + kx + 10

f(-2)=0

f(-2)=(-2)³-6(-2)²+k(-2)+10=0

f(-2)= -8-6(4)-2k+10=0

f(-2)= -8-24-2k+10=0

Solve the like terms:

f(-2)=-2k-22=0

f(-2)=-2k=0+22

-2k=22

k=22/-2

k=-11

Hence the value of k is -11....

5 0
3 years ago
The function g(x) is defined as g(x)=-2x+3x the value of g(-3)is
Helga [31]

Answer:

-3

Step-by-step explanation:

g(-3) = -2x+3x

-2(-3) +3(-3)

6+-9 = -3

give brainliest please

hope this helps :)

5 0
3 years ago
Read 2 more answers
The bases of a trapezoid are 11 meters and 14 meters. Its height is 10 meters. What is the area of the trapezoid?
kenny6666 [7]
Area of Trapezoid = (1/2) * (Sum of bases) * height

Area =   (1/2) * (11 + 14) * 10

        =    (1/2) * 25 * 10   =    5 *25 = 125

Area = 125 m²
4 0
4 years ago
CAN ANYONE HELP ME SOLVE THIS?
777dan777 [17]

Step-by-step explanation:

m/1 = ( 180 - 65 - 46 ) - 180

= 180 - 59 = 121

m/2 = 180 - 121 = 59

m/3 = ( 180 - 142 ) - 180

= 180 - 32 - 82

= 66

m/4 = 66

m/5 = 180 - m/2 - m/4

= 180 - 59 - 66

= 180 - 125 = 55

The sum of interior angles of triangles = 180°

8 0
3 years ago
-3(4x+5)<br><br> a- 7x+15<br> b- 7x-15<br> c- -12x-15<br> d- -12x+15
Alexandra [31]
C, because everything inside the parenthesis is multiplied by -3.
3 0
4 years ago
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