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777dan777 [17]
3 years ago
6

Find the sample correlation coefficient for the following data.

Mathematics
1 answer:
vodomira [7]3 years ago
6 0

Answer:

quneotentendeiporoqenouteetendxdin

Step-by-step explanation:

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Y=x^2-2x-1 and y=-3x+5 solved algebraically
eduard

Answer:

Step-by-step explanation:

y=x²-2x-1

and y=-3x+5

x²-2x-1=-3x+5

x²+x-6=0

x²+3x-2x-6=0

x(x+3)-2(x+3)=0

(x+3)(x-2)=0

x=-3,2

when x=-3

y=-3×-3+5=9+5=14

when x=2

y=-3×2+5=-6+5=-1

so solutions are (-3,14) and (2,-1)

3 0
3 years ago
If a(x) = 3x + 1 and b(x)= √x-4 , what is the domain of (b*a)(x)
kondor19780726 [428]
A(x) = 3x + 1
b(x) = √(x-4)

Therefore
(b \circ a) (x) = \sqrt{3x+1-4} =\sqrt{3x-3}
This composition of functions is only defined as a real number when x≥0.
Therefore its domain is x = [1,∞]

Answer: [1,∞]
5 0
3 years ago
Read 2 more answers
PLEASE HELP ME!!!!!!!!!
Sliva [168]
The answer is y=x-3/20
5 0
3 years ago
After vigorous activity, your heart rate declines 7 beats per minute. How much would
Katarina [22]

Answer:

56

Step-by-step explanation:

7 heartbeats *8 minutes = 56

8 0
3 years ago
Which is the equation of a line in point-slope form given the following two points (6,15) and(11,27.5)
aleksklad [387]

Answer:

y = 2.5x + 0

Step-by-step explanation:

Use the slope formula and slope-intercept form y = mx + b to find the equation.

3 0
3 years ago
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