Which graph shows a positive relationship between variables ?

Answers

Answer 1

Answer:

scatter-plots

Step-by-step explanation:

Scatter plots are similar to line graphs in that they use horizontal and vertical axes to plot data points. However, they have a very specific purpose. Scatter plots show how much one variable is affected by another. The relationship between two variables is called their correlation .


Related Questions

Find the distance between -2x + y = 6 and x = 1/2x - 4. Round your answer to the nearest tenth.
Please I need help and answer in a decimal

Answers

The distance between the two lines,-2x + y = 6 and x = 1/2x - 4, is approximately 4.5 units

Calculating the distance between two lines

To find the distance between two lines, we can use the formula:

Distance = |(Ax + By + C)| / sqrt(A^2 + B^2)

Where A, B, and C are the coefficients of the standard form equation of the first line

and x and y are the coordinates of a point on the second line.

Let's first convert the equations of the lines into the standard form (Ax + By + C = 0):

-2x + y - 6 = 0 --> 2x - y + 6 = 0 (Line 1)

x - 2x/2 - 4 = 0 --> -x + 4 = 0 --> x - 4 = 0 (Line 2)

Now, we can use the formula to find the distance between the two lines:

distance = |(Ax + By + C)| / sqrt(A^2 + B^2)

Let's take a point on Line 2, for example, (4,0). Then:

Distance = |(24 - 10 + 6)| / sqrt(2^2 + (-1)^2)

Distance = |10| / sqrt(4 + 1)

Distance = 10 / sqrt(5)

Distance = 4.472

Distance ≈ 4.5

Hence, the distance is approximately 4.5 units

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If f(x) = 2x^2 and g(x)= x^2 + 2x, which expression represents f(g(x))?

A) 2x^4 + 4x^2
B) 4x^4 + 4x^2
C) 2x^4 + 8x^2
D) x^4 + 4x^3 + 4x^2
E) 2x^4 + 8x^3 + 8x^2

Answers

I think the answer is E

Find the complex conjugate of 14+ 12i

Answers

Answer:

14 - 12i

Step-by-step explanation:

Given the complex number a ± bi, then the complex conjugate is

a ∓ bi

Note that the real part a remains unchanged while the sign of the imaginary part is reversed.

Given 14 + 12i then the conjugate is 14 - 12i

which is bigger 12 pints or 6 cups

Answers

Answer:

12 pints is bigger

Explanation: A pint is two cups, so 12 pints would be 24 cups.

The correct answer is that 12 pints is bigger than 6 cups.

To understand why, let's look at the conversion factors between pints and cups. In the United States Customary System, 1 pint is equivalent to 2 cups.

Now, let's calculate the volume of 12 pints in cups:

[tex]\[ 12 \text{ pints} \times \frac{2 \text{ cups}}{1 \text{ pint}} = 24 \text{ cups} \][/tex]

Comparing 24 cups (which is the equivalent of 12 pints) to 6 cups, it is clear that 24 cups is larger than 6 cups. Therefore, 12 pints is bigger than 6 cups.

Ronda's car is valued at $24,000, and she owes $22,000 on it. What is her
current equity?
O
A. $46,000
O
B. $2000
O
C. $4000
O
D. $24,000

Answers

Answer:

b. $2000

Step-by-step explanation:

yo just need to take away the smaller from the bigger number..

Answer:

Answer B:$2000

Is her current equity

What is the value of x in the proportion (x - 1)/5 = (4x + 2)/35?

Answers

Answer:

x=3

Step-by-step explanation:

1. cross multiply to get

5(4x+2)= 35(x-1)

2. distribute

20x+10=35x-35

3. combine like terms

45=15x

4. divide :)

3=x

Answer:

x = 3

Step-by-step explanation:

(x - 1)/5 = (4x + 2)/35

to find the value of x

the first thing to do is to cross multiply

from this ,

(x-1)/5 = (4x + 2)/ 35

35(x-1) = 5( 4x + 2)

35x - 35 = 20x + 10

we are going to collect the like terms

35x -20x = 10 + 35

15x = 45

we are going to divide both sides by the coefficient of x which is 15

we have,

15x/15 = 45/15

x = 3

therefore the value of x = 3

to check if your answer is correct, put the value of x and slot it into one of the equations.

35x - 35 = 20x + 10

35(3) - 35 = 20(3) + 10

105 - 35 = 60 + 10

70 = 70........................ proved.

what does quadratic function?

Answers

Answer:

A quadratic function is one of the form f(x) = ax2 + bx + c, where a, b, and c are numbers with a not equal to zero.

answer: ax^2 + bx + c

Equation for 6422 divided by 26

Answers

Answer:

247

Step-by-step explanation:

Answer:

6422÷26=247

Step-by-step explanation:

Write the product of 5/9 and 25 as a mixed number

Answers

Answer:

13 8/9

Step-by-step explanation:

25*(5/9) is equal to (25*5)/9

25*5 = 125 and 9 goes into 125 13 times with a remainder of 8

The solution would be:

13 8/9

Answer:

13 8/9

Step-by-step explanation:

5/9 x 25

Multiply through

125/9

13 8/9

Plez help click on picture​

Answers

The volume of the spherical piece is 288.55 cm³.

Solution:

Diameter of the sphere = 8.2 cm

Radius of the sphere = 8.2 ÷ 2 = 4.1 cm

The value of π = 3.14

Volume of the sphere [tex]=\frac{4}{3} \pi r^{3}[/tex]

                                    [tex]$=\frac{4}{3} \times 3.14 \times(4.1)^{3}[/tex]

                                    [tex]$=\frac{4}{3} \times 3.14 \times68.921[/tex]

                                    = 288.55 cm³

The volume of the spherical piece is 288.55 cm³.

Represent Jacey wrote an equation to
find an angle measure. What do a and b
stand for in Jacey's equation?
360° divided by a=b

Answers

Explanation:

Her we know that Jacey wrote an equation to  find an angle measure. The equation is as follows:

[tex]\frac{360^{\circ}}{a}=b[/tex]

So, if the angle 360° is a central angle, that is, an angle between two radii in a circle, then:

a: Represents the number of equal parts parts the circle is divided

b: Represents the measure of the central angle of each part

For example, suppose you have a circle and want to divide it into six parts, then, the central angle of each part of the circle will measure 60 degrees as indicated in the figure below.

-21 is a number b divided by 3
minus 5.

Answers

Answer: b is -48

Step-by-step explanation:

-21 = b/3 - 5/1

Cross multiply

b-15= -21 ×3

b-15= -63

b= -63 + 15

b= -48

To cross -check,

-21 = -48/3 -5

-21= -16 -5

Mark as brainliest please.

Kevin using 84 fluid ounces of water to make in all purpose cleaner. The directions call for 4 fluid ounces of concentrated soap for every 3 cups of water. How many fluid ounces of soap should he use? (1 cup = 8 ounces)​

Answers

He should use 886 fluid ounces of soap.

Step-by-step explanation:

Know that 8 fluid ounces make 1 cup.

Now 24 cups need 32 fluid ounces or, 3 fluid ounces of water need 32 fluid ounces of soap.

Thus, by unitary method,

84 ounces of water need 32 × 84 / 3 ounces of soap.

Thus the answer comes to 886 ounces.

Marisol has 64 ounces of lemonade to sell. She divides it into 4 ounce cups. Then she sells 13 cups. How many cups of lemonade does she have left?
Show Your Work

Answers

Answer:

3 cups

Step-by-step explanation:

first, divide the number of ounces (64) by the ounces in the cups (4). you get 16. 16 represents the total amount of cups.

we know that she sold 13 cups and the question asks how many cups she has left. so you subtract 16 and 13 and ur final answer is 3

A car manufacturer sold about 332,000 cars last year. The number of cars
sold this year is 125% of the cars sold last year. About how many cars were sold this year
sold this

Answers

Answer:

415,000

Step-by-step explanation:

First, find the decimal equivalent of 125%. To do this, divide 125 by 100 or move two decimal places to the right: 125/100 = 1.25

Now multiply the amount of cars sold last year, 332,000, by the percentage decimal, 1.25: 332,000 x 1.25 = 415,000

The car manufacturer sold 415,000 cars this year

Solve. x(x + 1) = 20

Answers

Answer:

x =(1+√81)/2=(1+9)/2= 5.000

or:

x =(1-√81)/2=(1-9)/2= -4.000

Step-by-step explanation:

there now can i get brainliest

Sophia uses 1/2 pound of white flour to make
one loaf of bread and 1/4 pound of cake flour to
make one cake. Which shows how many cakes
and loaves of bread Sophia can make with the
amount of flour that she has?

I give lot of points

Answers

Sophia can make 12 cakes and 4 loaves of bread.

The right answer is Option A.

Step-by-step explanation:

Given,

White flour used for one loaf of bread = 1/2 pound

White flour available = 2 pounds

Cake flour used to make one cake = 1/4 pound

Cake flour available = 3 pounds

We will divide the available amount by the amount used for one.

No. of loaves of bread = [tex]\frac{2}{\frac{1}{2}}=2*2[/tex]

No. of loaves of bread = 4

No. of cakes = [tex]\frac{3}{\frac{1}{4}}=3*4[/tex]

No. of cakes = 12

Therefore,

Sophia can make 12 cakes and 4 loaves of bread.

The right answer is Option A.

What do the numbers 0.5, 5,49, and 0.3 reapeating have in common?

Answers

Answer:

They are all odd numbers.

Step-by-step explanation:

Ok so we know that numbers that end with 1,3,5,7 and 9 are odd numbers and all the numbers listed in the question all end with these numbers.

What is a non-meric unit system

Answers

Answer:

The metric system of measurement, the International system of units (SI Units), is widely used for quantitative measurements of matter in science and in most countries. ... Any units used in other system of measurement (i.e. not included in the SI system of measurement), will be referred to as non-SI units.

Wouldn't mind if you gave me Brainiest.

Eric needs to find the area of the base of a
cylinder. Which formula will help him

Answers

Answer:

πr2

Step-by-step explanation:

If you want to find the base of a cylinder, the formula is AB=πr2.

Answer:

AB=πr2

Step-by-step explanation:

-2x(3x - 4) = 0 Write the equation in standard form.

Answers

Answer:

x=0

Step-by-step explanation:

First, we expand.

-2x(3x-4)=0

-6x+8x=0

2x=0

x=0

Please help. I’ll mark you as brainliest if correct!

A motorcycle shop maintains an inventory of five times as many new bikes as used bikes. If there are 65 new bikes, how many used bikes are now in stock?

Answers

13 bikes
You would do 65 divided by 5 because there are 5 times as many new bikes compared to used ones

Find the area of a triangle with base b and helght . Round your answer to the nearest hundredth If necessary b = 14.3ml h = 10.7mi

Answers

Answer:

76.505------>76.51 ml^2

Step-by-step explanation:

14.3 x 10.7 = 153.01

153.01/2 = 76.505

round to nearest hundredth

What is the slope of a line y=7.8x+62

Answers

Answer:

m = 7.8

Step-by-step explanation:

Its the slope. Its the number next to the x.

Which expression shows the correct way to find the distance between
(23,17) and (43,14)? ( TTM)

Answers

Answer:

d=[tex]\sqrt{x} (43-23)^2+(14-17)^2[/tex]

Answer=  20.224

Step-by-step explanation:

Answer:

thats teh answer

Step-by-step explanation:


|x−y+z| if x=3; y=−2; z=−6

Answers

Answer:

1 is the answer

Step-by-step explanation:

[tex] |x - y + z| = |3 + 2 - 6| \\ = | - 1| = 1[/tex]

solve by using substitution . SHOW YOUR WORK. 3х + y = –17
бx — бу = –18

Answers

Step-by-step explanation:

1. 3x+y+17=0

2.x-y+3=0

Sorry mam I use mental math

Answer: X = —5 and Y = —2

Step-by-step explanation: What we have is a pair of simultaneous equations;

3X + Y = —17 —————-(1)

6X — 6Y = —18 ————(2)

We shall use the substitution method as instructed. Looking at equation (1),

We shall make Y the subject of the equation, hence

Y = —17 —3X

We shall now substitute for the value of Y into equation (2)

6X — 6Y = —18

6X — 6(—17 —3X) = —18

6X + 102 + 18X = —18

By collecting like terms we now have

24X = —18 —102

(Note that when a positive value crosses to the other side of the equation it becomes negative and vice versa)

24X = —120

Divide both sides of the equation by 24

X = —5

Having calculated the value of X as —5, we can now calculate Y as follows

From equation (1)

3X + Y = —17

3(—5) + Y = —17

—15 + Y = —17

Add 15 to both sides of the equation

—15 + 15 + Y = —17 + 15

Y = —2

Therefore, X = —5 and Y = —2

Robert is lying on the ground, looking at the top of a flagpole. The angle of elevation to the top of the flagpole is
55° . What is the height of the flagpole if the distance from his eyes at the ground to the base of the flagpole is
400 ft? Round to the nearest foot.
550
400 ft​

Answers

Answer:

Height of flagpole = 571 ft

Step-by-step explanation:

Given:

Angle of elevation to the top of the flagpole is 55° .

Distance from the eyes to the base of flagpole = 400 ft.

To find the height of the flagpole.

Solution:

We can draw the situation as a right triangle as shown below.

In triangle ABC.

[tex]BC=400\ ft[/tex]

∠C= 55°

To find the length AB (height of the flagpole).

Applying trigonometric ratio :

[tex]\tan\theta=\frac{Opposite\ side}{Adjacent\ side}[/tex]

[tex]\tan C=\frac{AB}{BC}[/tex]

Plugging in values.

[tex]\tan 55\°=\frac{AB}{400}[/tex]

Multiplying both sides by 400.

[tex]400\tan 55\°=\frac{AB}{400}\times 400[/tex]

[tex]571.26=AB[/tex]

∴ [tex]AB\approx 571\ ft[/tex]

Height of flagpole = 571 ft

Final answer:

The flagpole's height is approximately 571 feet when rounded to the nearest foot.

Explanation:

To find the height of the flagpole, we use the angle of elevation and the distance from the observer to the flagpole's base, which forms a right-angled triangle. We can calculate the height of the flagpole by using the tangent function:

Tan(55°) = (height of the flagpole) / 400 ft

Therefore,

(height of the flagpole) = tan(55°) * 400 ft

A calculator can be used to find that tan(55°) approximately equals 1.4281.

Multiplying this by 400 gives the height of the flagpole:

Height of the flagpole = 1.4281 * 400 ft

Height of the flagpole ≈ 571.24 ft

When rounded to the nearest foot, the height of the flagpole is approximately 571 feet.

1. If the length of a rectangle is 6 more than its width, and its perimeter is 48
inches, what is the length of the rectangle?

Answers

For this case we have that by definition, the perimeter of the rectangle is given by:

[tex]P = 2w + 2L[/tex]

Where:

W: Is the width of the rectangle

L: is the length of the rectangle

According to the data we have:

[tex]L = 6 + w\\P = 48[/tex]

Substituting:

[tex]48 = 2w + 2 (6 + w)\\48 = 2w + 12 + 2w\\48 = 4w + 12\\48-12 = 4w\\36 = 4w\\w = \frac {36} {4}\\w = 9[/tex]

So, the width of the rectangle is 9 inches

[tex]L = 6 + 9 = 15[/tex]

So, the length of the rectangle is 15 inches

Answer:

the width of the rectangle is 9 inches

the length of the rectangle is 15 inches

3. An online video game tournament begins with 1024 players. Four players play in each

game. In each game there is only one winner, and only the winner advances to the

next round. How many games will the winner play?

Answers

Answer:

The winner play 341 games.

Step-by-step explanation:

An online video game tournament begins with 1024 players.

Four players play in each  game

It forms GP : [tex]\frac{1024}{4}=256 , \frac{256}{4}=64 , \fra{64}{4}=16 , \frac{16}{4}=4 , \frac{4}{4}=1[/tex]

So, GP: 256, 64,16,4 , 1

First term = a = 256

Common ratio = [tex]\frac{64}{256}=\frac{4}{16}=\frac{1}{4}[/tex]

Formula of nth term =[tex]a_n=ar^{n-1}[/tex]

[tex]1 = 256 (\frac{1}{4})^{n-1}[/tex]

[tex]\frac{1}{256}=(\frac{1}{4})^{n-1}[/tex]

[tex](\frac{1}{4})^9=(\frac{1}{4})^{n-1}[/tex]

4=n-1

5=n

So, Sum of first n terms=[tex]S_n=\frac{a(1-r^n)}{1-r}[/tex]

Substitute n = 5

[tex]S_5=\frac{256(1-(\frac{1}{4})^5)}{1-\frac{1}{4}}[/tex]

[tex]S_5=341[/tex]

Hence the winner play 341 games.

Final answer:

The winner will play 10 games.

Explanation:

With 1024 players for the first round, each game will have 4 players. Since there can only be one winner per game, the winner of each game will advance to the next round. To determine the number of games the winner will play, we need to find out how many rounds there will be. In each round, the number of players is halved until only one player remains. Therefore, the number of rounds is equal to the logarithm base 2 of the initial number of players. So, the winner will play a total of log2(1024) = 10 games.

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