Which association best describes the data in the table? Variable X: 12 18 16 8 9 5 10 14 11
Variable Y: 63 100 88 30 36 17 47 72 52

A. Negative linear association

B. Negative non linear association

C. Positive linear association

D. Positive non linear association

I think it could be B..not sure though. Please help!

Answers

Answer 1

Answer: Taking the slope about different points, we have
$m_(1) = ( y_(2)- y_(1) )/(x_(2)- x_(1)) = (100-63)/(18-12) = (37)/(6) =6 (1)/(6) \n m_(2) = ( y_(2)- y_(1) )/(x_(2)- x_(1)) = (30-88)/(8-16) = (-58)/(-8) =7 (1)/(4)$
The slopes are positive but are not equal, which means that that the association is positive non linear association.

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Here are some numbers.5 4 3 9 7
Which of these numbers is:

a factor of 32?
a common factor of 12 and 21?

Answers

A factor is an integer multiplied with another integer to get the product.

Factors of 32 are 1, 2, 4, 8, 16, 32. Among the given choices, 4 is the factor of 32.

Factors of 12 are 1, 2, 3, 4, 6, 12
Factors of 21 are 1, 3, 7, 21
The common factors of 12 and 21 are 1 and 3. Among the given choices, 3 is the common factor of 12 and 21.

4 is a factor of 32
and 3 is a common factor of 12 and 21

5 times the sum of 12 and a number is 80
What is the value of the unknown number

Answers

Answer:

Step-by-step explanation:

5(12+x)=80 Create equation. x is the unknown number.

60+5x=80 Distributive property.

5x=20 Isolate variable.

x=4 Divide on both sides by the coefficient.

Xander purchased 10 equally priced DVDs online. He paid $250, which included shipping. Which statements are true? Mark all that apply.

Answers

Xander paid $25 per CD plus shipping.

Photo above! How do I find the area of this? It says the answer is 1027ft but whenever I do it I don't get that

Answers

Total area = area of rectangle + area of triangle

area of rectangle = l * w

area of triangle= 1/2 ( b * h )

rectangle- 26 * 31 = 806

triangle- 1/2 ( 26 * 17 ) [ <-- 48 - 31 ] = 221

221 + 806 = 1027 ft squared

2 ways

cut into rectangle and triangle
2 recognize teh trapezoid

cut into rectangle and triangle
area of rectnagle=height times base

are oftrianngle=height times base times 1/2

rectangle=26 times 31=806

triangle

we have to know the base legnth
since the top is 31
and bottom is 48
the extra bit is 48-31=17
base=17
height=26
area=1/2 times 26 times 17=221

add
rectangle+traingle=806+221=1027 square units

other way
area of trapezoid=1/2(b1+b2) times height
b1=31
b2=48
height=26
A=1/2(31+48) times 26
A=1027 squaer units

Clock. What is the measure of the angle (in degrees) that the minute hand traces in 20 minutes?

Answers

Based on the number of degrees that 60 minutes is, we can infer that 20 minutes will be 120°.

A total revolution around a clock is 360° and this translates to 60 minutes.

This means that every minute is:

= Number of degrees in total / Number of minutes in revolution

= 360 / 60

= 6° per minute

If there are 20 minutes, the number of degrees is:

= 6 x 20

= 120°

In conclusion, 20 minutes on the clock is 120°.

Find out more at brainly.com/question/19030439.

30 mins make 180deg.
hence 20 min makes,
20/30*180=120 deg

Cassidy deposited $500 into a money market account that paid 7% interest compounded monthly. How much did she have to the nearest cent when she turned 30? (She is 16 now).

Answers

Cash deposited = P = $500
Interest rate = r = 7% = 0.07
Compounding Frequency = n = 12
Time = t = 30 - 16 = 14 years
Amount accumulated = A = ?

Formula to be used:

$A=P(1+ (r)/(n))^(nt)$

Using the values, we get:

$A=500(1+ (0.07)/(12))^(12*14) =1328.44$

This means, $1328.44 will be her balance at the age of 30.

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