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qaws [65]
3 years ago
11

Which of the following relationships between two variables could be described using correlation, r?

Mathematics
1 answer:
ladessa [460]3 years ago
3 0

Answer:

C) High temperature of the day and number of zoo visitors that day

Step-by-step explanation:

Correlation describes the relationship between two quantitative variables and both variables are quantitative.

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Solve the equation for y.
finlep [7]

Step-by-step explanation:

8x - 9y = 11

8x = 9y + 11

8x - 11 = 9y

y = 8x/9 - 11/9

so, C is correct

3 0
2 years ago
Matrix A is said to be involutory if A2 = I. Prove that a square matrix A is both orthogonal and involutory if and only if A is
goblinko [34]

Answer:

4 · 1/4 (I-0) = (A-0)∧2

see details in the graph

Step-by-step explanation:

Matrix A is expressed in the form A∧2=I

To proof that Matrix A is both orthogonal and involutory, if and only if A is symmetric is shown by re-expressing that

A∧2=I in the standard form

4 · 1/4 (I-0) = (A-0)∧2

Re-expressing

A∧2 = I as a graphical element plotted on the graph

X∧2=I

The orthogonality is shown in the graphical plot displayed in the picture. Orthogonality expresses the mutually independent form of two vectors expressed in their perpendicularity.

7 0
3 years ago
Tyler knows that the distance around a running track is 400 meters. Beth, Tyler's sister, decides to measure the running track w
Shalnov [3]

Answer:

2%

Step-by-step explanation:

True measurements = 400 meters

Observed measurements = 392 meters

% error = change in measurements / true measurements × 100/1

= (400 - 392) / 400 × 100

= 8/400 × 100

= 0.02 × 100

= 2%

Percentage error of Beth measurements = 2%

4 0
3 years ago
V/5 - 2 = -6 find the value of v
Elan Coil [88]

v = -20

you may replace v with -20 and simplify to vertiy the answer.

3 0
4 years ago
Read 2 more answers
Hey can anyone help please and thank you !
EleoNora [17]

Answer:

x = 2

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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