What would be the value of Pearson’s r (simply the square root of r2)?

Answers

Answer 1

Answer: All we have to do to obtain r is to take the square root of r^2

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The graph of which of the following inequalities has open circles on -8 and 2 with a line segment between them?|x + 3| < -5
|x + 8| < 2
|x + 3| < 5

Answers

open circles means not including them,and with aline between them,
baseically it means
from -8 to 2, not including -8 or 2 or
-8<x<2 is the solution

one way to solve is to eliminate, then subsitute

look at first one
remember that|._.|>0
so this is impossible that |anything|<-5

cross out first choice

2nd one
let's input a point from the solutions set

if we input 0 for x in the other 2 equations we get (-8<x<2 is solution set and 0 is in there)

|0+8|<2, 8<2 false

|0+3|<5
3<5
treu

answer is third one

Answer:

Step-by-step explanation:

All number that are evenly divisible by both 6 and 14 are also divicible by?

Answers

2 because all even numbers are divisible by 2

6/2 = 3
14/2 = 7

These two numbers are divisible by 2.

Find the value of the expression below for r = 4 and t = 2
t^3 - r + 20 divided by r

Answers

Answer:

The value of the expression $t^3-r+(20)/(r)$ is, 9

Step-by-step explanation:

Given: The expression $t^3-r+(20)/(r)$

Substitute the value of r=4 and t=2 in above expression to find its value;

$t^3-r+(20)/(r) = (2)^3-4+(20)/(4)$

Cube: the cube of a number t is its third power, the result of the number multiplied by itself twice. i.e, $t^3 = t * t * t$

Now, solve further we have;

$(2)^3-4+(20)/(4) = 8 -4+(20)/(4)$

Further, divide the number 20 by 4 we get the result 5 ;

⇒ 8-4+5 = 4+5 =9

Therefore, the value of the expression $t^3-r+(20)/(r)$ is, 9.

Simplify p(p - q) - q(q - p).

Answers

p(p-q) - q(q-p)

a(b+c) = a(b) + a(c) so...

p(p) + p(-q) - q(q) - q(-p)

p² -pq - q² + qp

a*b = b*a so...

-pq + qp = 0 so...

The answer is...

p² - q²

((p^2)-pq) - ((q^2)-pq)
(p^2) - (q^2) - 2pq

H(x) = 3x - 4What is h(6)?
5
14