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Mrrafil [7]
2 years ago
10

Between what pair of numbers is the product of 289 and 7

Mathematics
1 answer:
vazorg [7]2 years ago
6 0
Umm. so the product is between 1400 and 2100. umm n answer d
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Find the solution for x if |5x – 2| = 13.
Licemer1 [7]

Answer:

x=1 if that's 15 x

Step-by-step explanation:

4 0
3 years ago
Consider a population list x, with a CV= 10%. A second population list, y, has a CV= 20%. The linear regression of y on x is y =
ch4aika [34]

Answer:

The correlation coefficient 0.5 depicts that there is moderate positive correlation between y and x.

Step-by-step explanation:

The linear regression equation is

y= a+bx

The given linear equation is

y= 10x

Here, slope=b=10 and intercept=a=0.

From above equation,

ybar=10xbar

We are given that CVx=0.1 and CVy=0.2

where CV=(standard deviation/mean)*100

We know that

b=r(Sy/Sx)

Multiplying by xbar/ybar on both sides

(xbar/ybar)b=r(Sy/Sx)(xbar/ybar)

(xbar/ybar)b=r[(Sy/ybar)/(Sx/xbar))]

(xbar/ybar)b=r[CVy/CVx]

As CVy/CVx=(Sy/ybar)*100/(Sx/xbar)*100=(Sy/ybar)/(Sx/xbar).

By putting ybar=10xbar, b=10, CVx=0.1 and CVy=0.2.

(xbar/10xbar)10=r(0.2/0.1)

1=r(0.2/0.1)

1=r(2)

r=0.5

There is moderate positive correlation between y and x.

6 0
2 years ago
Which relationship describes angles 1 and 2
solong [7]
A. Vertical angles.

Complementary angles are adjacent angles that add to equal 90 degrees.
Adjacent angles are angles that share a side (they are right next to each other).
Supplementary angles are adjacent angles that add to equal 180 degrees.

Thus the answer is A.

Hope this helps.
7 0
3 years ago
6-8x=23<br> What number is x
Vikki [24]
X = -17/8

Do you need explanation?
7 0
3 years ago
Read 2 more answers
If y=3x+ 2 were changed to y=3x+8 how would the graph of the new function compare with the first one?
Alex787 [66]
D)it would be shifted up
3 0
3 years ago
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