Answer:
A. 0.0625
B. 0.1089
C. 0.81
D. 0.0196
Step-by-step explanation:
The proportion of variance is shared by the two correlated variables is given as the r².
Therefore,
For A. r = 0.25
Proportion of variance is shared by the two correlated variables = 0.25²
= 0.0625
For B. r = 0.33
Proportion of variance is shared by the two correlated variables = 0.33²
= 0.1089
For C. r = 0.90
Proportion of variance is shared by the two correlated variables = 0.90²
= 0.81
For D. r = 0.14
Proportion of variance is shared by the two correlated variables = 0.14²
= 0.0196
The result of the expression in exponential form is 9^-4
<h3>Product of exponents</h3>
Given the expression below

According the product law, since the base are equal, we will add the exponent to have:

Hence the result of the expression in exponential form is 9^-4
Learn more on exponents here; brainly.com/question/11975096
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Let the less expensive scarf be x
expensive scarf = $3 + x
According To The Question,
x+x+$3=$25
2x+$3=25
2x=22
x=$11
expensive scarf = x + $3 = $11 + $3 = $14
HOPE THIS WILL HELP YOU
Answer:
A. The number of students who collected exactly 2 bottles.
Step-by-step explanation: I got this question on my test, and the answer was A.
100% verified! :D
Differentiate with respect to x and y
2x +10 y y' = 0
get y' alone
y' = -2x/(10 y)
reduce
y'=-x/(5y)
continue with quotient rule of differentiation
y'' = ( 5y(-1) - (-x) (5y')) / (5y) squared
y'' = (-5y + 5xy') / (25y squared)
reduce by dividing each term by 5
y" = (-y +xy') / (5y squared) answer
Now if the teacher wants you to continue so no y or y' shows
substitute y' = -x/(5y) and y = square root ((5-x squared) / 5)
and simplify