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kherson [118]
3 years ago
8

Which regression line properly describes the data relationship in the scatterplot?

Mathematics
2 answers:
TEA [102]3 years ago
6 0

Answer:C

Step-by-step explanation:

Bc there's 3 does below and 3 dots above

Bond [772]3 years ago
3 0

Answer:c

Step-by-step explanation:

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Line segment AB has a midpoint, M at (2,6). If point B is located at (-3,10), what is location of point A?
Alex787 [66]
Answer is D.
As M is the midpoint of A and B; denote A(x,y); then x and y have to matched the two equations below:
(x- 3) : 2 = 2 <=> x = 7 and
(y +10) : 2 = 6 <=> y = 2
Conclusion : A (7,2)
4 0
3 years ago
Help!! help!! help!! help!! help!! help!! help!! help!! help!!
oksian1 [2.3K]

Answer:

<em>(8.21, -20.79)</em>

Step-by-step explanation:

Given the simultaneous equation;

\frac{a}{b} - \frac{b}{2} = 10\\a - b = 29

From 2;

a = 29 + b ....3

Substitute 3 into 1;

\frac{29+b}{b} - \frac{b}{2}  = 10\\\frac{2(29+b)-b^2}{2b} = 10\\\frac{58+2b-b^2}{2b} = 10\\58+2b-b^2 = 20b\\b^2-2b-58 = -20b\\b^2-2b+20b -58 = 0\\b^2+18b-58 = 0\\

Factorize

b = -18±√18²-4(-58)/2

b = -18±√324+232/2

b = -18±√556/2

b = -18±23.58/2

b = -18-23.58/2 and -18+23.58/2

b = -41.58/2 and 5.58/2

b = -20.79 and 2.79

Since a = 29 + b

when b = -20.79

a = 29 - 20.79

a = 8.21

<em>Hence the solution to the system of equation is (8.21, -20.79)</em>

7 0
2 years ago
I NEED HELP ON THIS PLZZ!! WILL MARK BRAINLIEST
SVETLANKA909090 [29]

Answer:

C i think

Step-by-step explanation:

you do 13x90 then divide by 5x

8 0
2 years ago
Read 2 more answers
What is the measure of
harina [27]

Answer:

<DAB   = 120

Step-by-step explanation:

7)

<DAB = ?

<DAB + <DCB = 180

so

16x + 8 + 8x + 4 = 180

24x + 12 = 180

24x = 168

x = 7

<DAB  = 16(7) + 8 = 120

6 0
3 years ago
Simplify the expression and write the answer as a power with work please
olga nikolaevna [1]

Answer:

9^2

Step-by-step explanation:

we do 3*3 which is 9, and then 9 to the second power

6 0
3 years ago
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