Mathematics High School

I NEED A ANSWER ASAPP!!!!!



A linear regression has a correlation coefficient of r=0.82


. Would this be a good correlation coefficient? What is the best value you could have for a correlation coefficient? Explain your reasoning completely.

Answers

Answer 1

Answer:

not very good

Step-by-step explanation:

the correlation should be almost 1  to be a good representation of the data. 0.82 isn't very close.  This would be a pretty "rough" approximation at best.  Maybe that's all that's needed but usually something close to 1.. like 0.99 is needed.

Related Questions

CORRECT ANSWER WILL BE MARKED BRAINLIEST!

Find the constant rate of change for the representation.

Jazmina brought home a plant. She kept record of the plant's height in her journal over the summer. The following are a few of her journal entries:

Day 3: 15.75 inches Day 6: 19.5 inches

Day 10: 24.5 inches Day 11: 25.75 inches

Day 16: 32 inches Day 21: 38.25 inches

Answers

Answer:

The plant grows approximately 1.25 in. per day.

Step-by-step explanation:

Kim purchased a bottle of perfume for $1.50 per .80 ounce. What is the unit cost of the perfume?

Answers

80. Ounce I I am not sure but try good luck

180 minus what = 45

i really need this answer thank you

Answers

Answer: 135

Step-by-step explanation: All you need to do is 180-45=135.

The 180 minus 135 is equal to 45.

To find the value that, when subtracted from 180, gives a result of 45,  set up the following equation:

180 - x = 45

To solve for x,  to isolate it on one side of the equation by subtracting 180 from both sides:

180 - 180 - x = 45 - 180

Simplifying:

-x = -135

Now, to solve for x,  multiply both sides of the equation by -1 to change the sign:

(-1) × (-x) = (-1) × (-135)

x = 135

To know more about equal here

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Find the slope of the given relations (2, 5) (2,7) the answer for this pleaee

Answers

Answer:  The slope is undefined.

Step-by-step explanation:

The graph of this line is a vertical line, parallel to the y-axis, passing through 2 on the x-axis and includes every real y-value.

Slope is rise/run. The run is the difference in x-values. 2-2=0  

Division by 0 is "undefined"

1. Convert this fraction into a decimal 1/4

Answers

Answer:

.25

Step-by-step explanation:

take 100 and divide it by 4. you get 4 25s. so its .25

Answer: 0.25

Step-by-step explanation:


A large bag of peanuts weighs 2.25 pounds. How many ounces of peanuts are in the bag?

Answers

Answer:

36 ounces

Step-by-step explanation:

There are 16 ounces in a pound so what you have to do is multiply, here's what the equation could look like.

2.25 x 16 = 36

Hope that helps and have a great day!

the percent of decrease from 12 to 9.

Answers

I’m pretty sure it’s 75%

Answer:

75%

Step-by-step explanation:

as Lucia fills her fish tank she notices that it fills 8 cubic centimeters of water in 4 minutes. How many cubic centimeters of water does it fill in 1 minute?

Answers

the correct answer is 2 cubic centimeters

Select all of the situations below that can be modeled by the expression 4 + 3x.
Four more than three and a number.
Four more than three times a number.
The sum of three times a number and four.
The sum of the product of four three, and a number.
The sum of four and the product of three and a number.​

Answers

Answer:it’s b

Step-by-step explanation:

I just did it on ede

Martin is interested in the new hypermiling movement which focuses on getting the best miles per gallon (MPG) when driving. He gathered
some data about the weights, In thousands of pounds, of different cars and thelr average MPG. The graph below shows the results of Martin's research.

Answers

Answer:

Step-by-step explanation:

D the situation shows correlation with causation

Answer:

the situation shows correlation with caution

I OFFER 100 POINTS AND WHOEVER ANSWERS FIRST WILL BE BRAINLIEST

(SHOW WORK IF YOU CAN PLZ)

For f(X)=1/x-5 and g(X) =x^2+2, find f(g(x)) and (g o f)(6)

Answers

F(g(x))= f(x^2 +2)=
Simplify: fx^2 +2f
G of 6= g(6)
G(6)= 6^2 +2 =
Simplify: 36 +2= 38

What is the equation for this line? *

O y = -2x +1
O y = 1/2x + 1
O y = -2x - 1
O y = -1/2x + 1

Answers

Answer:

y = -2x + 1

Step-by-step explanation:

The y-intercept is given by the point that is on the y-axis. (1)

This means that the answer contains a +1

Then you must find  if the slope is positive or negative

In this case the slope is negative because the line goes "downhill" from left to right

Since the slope is negative it means that there will be a negative sign in the beginning of the equation

Next, to find the slope you need to find the rise over run

Since it is a negative slope the rise will be negative and the run will be positive.

To find the slope find two clear points on the graph such as (0,1) and (2,0)

To find the slope, use the slope formula

This would look like: (0-2)/(1-0)

Your slope will be -2x

Piece it all together and you get a final answer of y= -2x+1

The answer is y= -1/2x + 1
Why?

-3(n-3)????????????????!!!

Answers

The answer is -3n+9 when you solve it

What is the value of x in the equation
3x - 4y = 65:
when y=4?
Ox=13 1 / 2
x=21 1 / 3
X =23
O
x=27

Answers

x=27 because you plug y into the equation and solve for x

Write a number between 1 and 50 that has at least 8 factors. Write the factors.

Answers

Answer:

Step-by-step explanation:

1 - 50

Primes: 1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, and 47

Not Primes: 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50

At least 8 factors:

24 - 1, 2, 3, 4, 6, 8, 12, 24

30 - 1, 2, 3, 5, 6, 10, 15, 30

36 - 1, 2, 3, 4, 6, 8, 12, 18, 36

40 - 1, 2, 4, 5, 8, 10, 20, 40

42 - 1, 2, 3, 6, 7, 14, 21, 42

48 - 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

Let me know if I've missed any!

Angle B=48 and angle E=x+4.
Please help me find x

Answers

It’s E=x+ 4 because it has a X IN IT

At a basketball game, 95% of people attending were supporting the home team, while 5% were supporting the visiting team. If 532 people attending the game supported the home team, what was the total number of people attending the game?

Answers

Answer:

559

Step-by-step explanation:

532*.05

26.6

aout 27 people attended the other team's game

532+27 = 559

8m-40= -4(5m+3) What value of m makes the equation true?​

Answers

M=1
Pls mark brainliest

Answer:

m=1

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Solve for X
please & thank you

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

Solve for y:
4x + 3y = -6

Answers

Answer:

y = -4/3X - 2

Step-by-step explanation:

Answer:

4x +3y =-6

3y\3y=6-4x/3

y=2-4x

I NEED A PROFESSIONAL ON MATH PROBLEMS NOW!!
A school administrator bought 6 desk sets. Each set consists of one table and one chair. He paid $48.50 for each chair. If he paid a total of $663 for the 6 sets, the cost of each table is

$____

Answers

Answer:

$62

Step-by-step explanation:

hope this helped!

p.s it would be cool if you gave me brainliest.

Answer:

62

Step-by-step explanation:

bonnie has lived in texas for 768 days how many years have she lived in texas​

Answers

Answer: About 2.1 years

Step-by-step explanation:

768/365 = 2.10

Answer: Roughly 2 year

Exact answer: 2.104109589041096

Step-by-step explanation:

-15.6= -3.1+w/5 i didnt even learn this ;-;

Answers

Answer:

w = - 62.5

Step-by-step explanation:

Given

- 15.6 = - 3.1 + [tex]\frac{w}{5}[/tex] ( add 3.1 to both sides )

- 12.5 = [tex]\frac{w}{5}[/tex] ( multiply both sides by 5 to clear the fraction )

- 62.5 = w

Answer:

w= -62.5

Step-by-step explanation:

Simplifiying both sides of the equation, then isolating the variable.

A number decreased by half of the number is four. What is the number?

Answers

Answer:

four is the right answer i think

Answer:

It should be a number between 12 and 14

Step-by-step explanation:

Start with given compound inequality, Add 4 to all sides ,combine terms on the left side ,combine terms on the right side, multiply all by 2, multiply ,so the number is between 12 and 14 which makes it possible to be 12,13,or 14

Find a pattern for the sequence below.
1, 4, 9, 16, 25, ...

Answers

Answer:

add 3, add 5, add 7, add 9

Step-by-step explanation:

1+3=4

4+5=9

9+7=16

16+9=25

add by odd numbers, for a simpler answer

PLEASE HELP!!!
dionne washington wants to sell natural fruit flavored water at her neighborhood block party she wrote the amount of money she spent as a function of the number of bottles sold which set of numbers would be an appropriate domain for dionnes function
a) 0,1,2,3,4,...
b) ..., -4,-3,-2,-1,0
c) ..., -3,-2,-1,0,1,2,3, ...
d) ..., -3.5,-2.5,-1.5,0,1.5,2.5,3.5,....

Answers

Answer:b

Step-by-step explanation:

Carter's football team played 10 games this season.
They won only 20% of their games. How many games
did Carter's team lose?

Answers

Answer:

Carter's football team lost 8 games.

pag si X! si X na don't alam alam Y its your X breaks on you
What does this mean

Answers

Answer:

???

Step-by-step explanation:

i wouldn’t know lol

what is the positive square root of 9/16​

Answers

Answer:      |√9/16|     =  ¾ or .75

PLz mark brainliest:)

I think the answer is .75:)

I don’t know what to put for number 4 and it’s due tomorrow!!

Answers

Answer:

I can't really help you since I don't have the passage but all I can say is to describe how he's using his facts to support his claims

Step-by-step explanation:

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