Uh could you please help-

Answer:

It's A. The points all lie very close to the line of fit, and the line is decreasing.

Step-by-step explanation:

The points all lie very close to the line of fit, and the line is decreasing option (A) is correct.

It is defined as the relation between two variables which is a quantitative type and gives an idea about the direction of these two variables.

[tex]\rm r = \dfrac{n(\sum xy)-(\sum x)(\sum y)}{\sqrt{{[n\sum x^2- (\sum x)^2]}}\sqrt{[n\sum y^2- (\sum y)^2]}}[/tex]

It is given that:

The value of the correlation coefficient r = -0.97

As we know,

If the value of the correlation coefficient is positive it represents the line of best-fit increasing.

If the value of the correlation coefficient is negative it represents the line of best fit decreasing.

If the value of r is close to 1 then we can say that the correlation between the two variables is very strong.

Thus, the points all lie very close to the line of fit, and the line is decreasing option (A) is correct.

Learn more about the correlation here:

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Answer:

22.5 Liters

Step-by-step explanation:

Use google to convert

Answer:

I GOT U

Step-by-step explanation:

22.5

Answer:

90 %

Step-by-step explanation:

18/20*100%

please give me brainly

Answer:

90percent

Step-by-step explanation:

Answer:

a line passing through the points (2, -6) and (4, -16)

Step-by-step explanation:

y=-5x+4

you plug in the x value and put the y value on the left side of the equation

for example

-6 = -5(2) + 4

then solve to see if it works

-5(2) = -10 + 4 = -6

(2, -6) works

-16 = -5(4) +4

-5(4) = -20

-20 + 4 = -16

(4, -16) works

example of absolute value

F( x )=| x |

Step-by-step explanation:

In mathematics, the absolute value or modulus of a real number x, denoted |x|, is the non-negative value of x without regard to its sign. Namely, |x| = x if x is positive, and |x| = −x if x is negative (in which case −x is positive), and |0| = 0. For example, the absolute value of 3 is 3, and the absolute value of −3 is also 3. The absolute value of a number may be thought of as its distance from zero.

Answer:

The second option (10 for 5.20) and a time that the wiser purchase may not be a better buy is when they live alone. 10 potatoes is not a reasonable amount.  

Step-by-step explanation:

Answer:

56:8:48

Step-by-step explanation:

1] add th eratio numbers together

7+1+4=12

2} write the ratio as fractions

7/12  1/12  4/12

3] use the formula (ration number/total number * number of sheeps)

a] 7/12 * 96 = 56

b] 1/12 * 96 = 8

c] 4/12 * 96 = 48

3] write your answer as a ration

7 : 1 : 4 = 56 : 8 : 48

Answer:

The answer is 56 : 8 : 32

Step-by-step explanation:

7 + 1 + 4 = 12

7/12 x 96 = 56

1/2 x 96 = 8

4/12 x 96 = 32

Answer:

x = -2

Step-by-step explanation:

-7x + 23 = 37

~Subtract 23 to both sides

-7x = 14

~Divide -7 to both sides

x = -2

Best of Luck!

Answer:

6 hours

Step-by-step explanation:

I hope this helps. Have a good day!

Answer:

6

Step-by-step explanation:

you divide 14 by 2 and get 7 then you add 7's together till they add up to 42 and then you count the 7's

7+7+7+7+7+7=42  

Answer:

17>x>0

Step-by-step explanation:

-9<-x+8<8 (equation)

-17<-x<0 (subtract 8 from all parts)

17>x>0 (multiply all by -1)

Answer: U misluk nee A beteken dat u misluk

Answer:

  using a proportion relating nose length to head height

Step-by-step explanation:

Casey measured the nose length, and found the fraction that was of the head height. Then Casey found the same fraction of 60 feet to find the actual nose length.

__

Casey could use a photograph, poster, postcard, or a ruler held at arm's length, to make the necessary measurements.

Answer:

46 minutes

Step-by-step explanation:

Teresa purchased a prepaid phone for $15

Long distance calls cost 24 cents a minute using this card

She used the card just once to make a long distance call

The remaining credit on her card was $3.96

Therefore the minutes in which her call lasted can be calculated as follows

Let x represent the minutes

15 - 24/100x= 3.96

15-0.24x= 3.96

-0.24x= 3.96-15

-0.24x= -11.04

x= 11.04/0.24

x = 46

Hence Teresa call lasted for 46 minutes

Answer:

Intersecting

Step-by-step explanation:

Parallel lines means it will have the same slope, and perpendicular means the slope will be it's reciprocal, so the slope would be 1/3 x instead of 9x. Conciding means it's the exact same equation, so the answer has to be intersecting.

Answer:

I think that's 18

Step-by-step explanation:

Answer:

q = 12x

Step-by-step explanation:

q = 3x + 9x

Combine like terms

q = 12x

Answer:

0.125

Step-by-step explanation:

1/8=0.125

Answer:

Ok so I kind of want you to learn how to do this because its really easy. You add up all of the numbers then you count how many numbers there are and you divide of all of the numbers that you added up  and the sum of how many numbers there are for example if I had 34,65, 75, 85, 14, and 23 It would be 34+65+75+85+14+23= 269. There are 6 numbers so 269 divided by 6 and you get 44.8 IF THIS HELPS!!

Step-by-step explanation:

Answer:

53

Step-by-step explanation:

Answer:

r = 106

Step-by-step explanation:

113 + 38 = 151

151 - 45 = 106

r = 106

Answer:

a^n = -6n + 32

Step-by-step explanation:

32 - 6 = 26

26 - 6 = 32 - 6.2 = 20

20 - 6 = 32 - 6.3 = 14

-> a^n = -6n + 32

Answer:

4 ribbons

Step-by-step explanation:

55 divided by 13= 4.23

Step-by-step explanation:

take a pic or something cause I can't see it

Answer:

$5.97

Step-by-step explanation:

Multiply 1.99 and 3

Given:

Consider the height of the rocket, in feet after x seconds of launch is

[tex]y=-16x^2+152x+74[/tex]

To find:

The time at which the rocket will reach its max, to the nearest 100th of a second.

Solution:

We have,

[tex]y=-16x^2+152x+74[/tex]

It is a quadratic polynomial with negative leading coefficient. So, it is a downward parabola.

Vertex of a downward parabola is the point of maxima.

To find the time at which the rocket will reach its max, we need to find the x-coordinate of the vertex.

If a quadratic function is [tex]f(x)=ax^2+bx+c[/tex], then the vertex is

[tex]Vertex=\left(-\dfrac{b}{2a},f\left(-\dfrac{b}{2a}\right)\right)[/tex]

Here, [tex]a=-16,b=152,c=74[/tex].

So,

[tex]-\dfrac{b}{2a}=-\dfrac{152}{2(-16)}[/tex]

[tex]-\dfrac{b}{2a}=-\dfrac{152}{-32}[/tex]

[tex]-\dfrac{b}{2a}=4.75[/tex]

So, x-coordinate of the vertex is 4.75.

Therefore, the rocket will reach its max at 4.75 second.

Answer:

line m

Step-by-step explanation:

Answer:

-1,-2.5 & 0.5,4.5

hope this helps!

Step-by-step explanation:

Answer:

The other endpoint would be (-7, -4)

Step-by-step explanation:

What?

joshuasalazar697 avatar

A because u should have gotten a 3x after adding them together since u do what is inside the () before anything

fionaferlich1 avatar

3+x does not equal 3x

joshuasalazar697 avatar

y not

fionaferlich1 avatar

because 3x equals x times x times x not 3+x

joshuasalazar697 avatar

but why is it d

joshuasalazar697 avatar

they did it right u have to divide it from the right to the left

fionaferlich1 avatar

a rule of inequalities is when you divide by a negative the sign switches. so because u had to divide the entire thing by -6 it should be x is greater than -1

joshuasalazar697 avatar

no u have to divide it by positive 6 cause u are taking it the 6 from the right and moving it under the 6 from the left wich u would divide

fionaferlich1 avatar

u always divide by the coefficient of x and that's -6

joshuasalazar697 avatar

no cause since u moved all the letters to the right and all the lone numbers to the left u have to take that last one and divide it from the one with the x

fionaferlich1 avatar

the one with the x is the coefficient of x which is -6

joshuasalazar697 avatar

yeah i know that ut u don't divide the 6 from the -6x like u gonna divide -6x by 6

joshuasalazar697 avatar

also if i am wrong what happened to the 3 and why did it turn to an 18

fionaferlich1 avatar

so say that's what you're supposed to do (which it is ) but then u would get -x>1 and x must be positive

joshuasalazar697 avatar

i should have paid attention in algebra no wonder I don't get geometry but geometry is way easier

joshuasalazar697 avatar

i see what u are getting to now

joshuasalazar697 avatar

still don't see how 3 turned into 18

joshuasalazar697 avatar

i just say this hole thing is written wrong from the start and made it all wrong

there is ur explanation

Answer:

d

Step-by-step explanation:

since when u divide by a negative it switches signs