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andrew-mc [135]
3 years ago
11

True or false: the linear regression line of a data set must be perpendicular to the linear trend in the data.

Mathematics
1 answer:
agasfer [191]3 years ago
8 0

Answer:

It is False

Step-by-step explanation:

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What number must you add to complete the square?<br><br> x^2 + 8x = -3
KonstantinChe [14]
<span>x^2 + 8x = -3
</span><span>x^2 + 8x + 16 = -3 + 16
using a^2 + 2 a b + b^2 = (a+b)^2
</span><span>
</span>x^2 + 8x + 16 = 13

<span>(x +4)^2 = 13

answer : 16 is the number </span><span>you must add to complete the square</span>
5 0
3 years ago
The sum of 8 and x is less than 23?
Charra [1.4K]

Answer:  no not less than 23

8 0
3 years ago
Tell whether (-1,2) is a solution of 8x+y&gt;-6
harina [27]

Answer:

Not a solution.

Step-by-step explanation:

(x, y)

(-1, 2)

Substitute the x and y values in the expression with the point given.

8x + y > -6

8(-1) + 2 > -6

-8 + 2 > -6

-6 > -6

Since our final value has to be greater than -6 but is instead equal to -6, the solution is not true.

3 0
2 years ago
How to do this and find the max or min points
Veronika [31]
I see your last line is : c(x) = 0.9(x^2-10)^2 + 101.1

Let y = x^2, then c(y) = 0.9(y-10)^2 + 101.1

Apparently, c(y) is a parabola, min is 101.1 when y = 10, max is infinity

So let x^2 = 10 -> x = sqrt(10) or -sqrt(10), min is 101.1, max is infinity
8 0
3 years ago
Read 2 more answers
If the measures of the angles of a quadrilateral are in the ratio of 3 : 4 : 5 : 8, find the measure (in degrees) of each angle.
BabaBlast [244]

Answer:

sorry just came here for the points

Step-by-step explanation:

6 0
3 years ago
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