Which of the relations given by the following sets of ordered pairs is a function? (answer choices in picture)

Answer: 14: [tex]\sqrt{5}[/tex]

16:[tex]\sqrt{26}[/tex]

Step-by-step explanation:

Points for 14: (2,0) and (0,-1)

-1 - 0 = -1

0 - 2 = -2

Use the equation of a triangle [tex]c^{2} =a^{2} +b^{2}[/tex]

[tex]\sqrt{-1^{2} +-2^{2} } =\sqrt{5}[/tex]

Points for 16: (2,2) and (-3,3)

Answer:

B

Step-by-step explanation:

reduction is [tex]\frac{4}{5}[/tex] per plant , that is

[tex]\frac{4}{5}[/tex] × $6 = 0.8 × $6 = $4.80 per plant

total cost = 5 × $4.80 = $24.00

Answer: Im not sure what is supposed to happen here but x=3

Step-by-step explanation:

Maximum 8 people can go to the amusement park.

Mathematical arithmetic is the study of the properties of the standard operations on numbers, such as addition, subtraction, multiplication, division, exponentiation, and root extraction. One of the branches of mathematics,

1, deals with the application of addition, subtraction, multiplication, and division to nonnegative real numbers, occasionally incorporating transfinite cardinals.

Given Data

$325 to spend on parking and admission. Parking is $16.50, and tickets cost $38.50 per person, including tax.

Parking = $16.50

Total money = $325

Money left after spending money on parking:

$325 - $16.50

$308.5

Now, dividing money left by fees of admission;

Cost of ticket = $38.5

Money left = $308.5

Number of people who can go inside=

= [tex]\frac{308.5}{38.5}[/tex]

= 8.01

Maximum 8 people can go to the amusement park.

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Slopes are mentioned below.

Slope, usually referred to as rise over run, is the "steepness" of the line. By dividing the difference in y values between two points by the difference in x values, we may determine slope. A line's slope often indicates the steepness and direction of the line. By calculating the difference between the coordinates of the two points, (x1,y1) and (x2,y2), it is simple to calculate the slope of a straight line between them. The letter "m" is frequently used to denote slope.

Given Data

Formula

y = mx +c

1) y = [tex]\frac{-3}{2}[/tex]x -1

Slope = [tex]\frac{-3}{2}[/tex]

2) y = [tex]\frac{7}{4}[/tex]x - 4

Slope = [tex]\frac{7}{4}[/tex]

3) -x - 2

Slope = -1

4) 4x - 5

Slope = 4

5) y = 5x + 1

Slope = 5

6) y = [tex]\frac{3}{4}[/tex]x - 1

Slope = [tex]\frac{3}{4}[/tex]

7)  y = [tex]\frac{-1}{5}[/tex]x +2

Slope = [tex]\frac{-1}{5}[/tex]

8) y = -4x -5

Slope = -4

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Answer:

68

Step-by-step explanation:

because first u have to add it all up then take away

Hello!

To find the distance:

 ⇒ we must simply minus the coordinate of W from the coordinate of G

    [tex]G - W=\dfrac{-1}{3} -(-1\dfrac{2}{3} )=-\dfrac{1}{3} +\dfrac{5}{3} =\dfrac{4}{3}[/tex]

Thus the distance between W and G is 4/3

Hope that helps!

The equation of the line. a line that is parallel to the graph of 2x+3y=5 and contains the point (3,-1) is y+1 = -2/3 (x - 3)

A line is defined by the shortest distance between two points,

The equation of a line in point slope form is expressed as;

y - y₁ = m(x-x₁)

where

m is the slope

(x₁, y₁) is any point on the line

Given the following parameters

Point = (3, -1)

Given the equation 2x + 3y = 5

3y = -2x + 5

y = -2/3x + 5

Slope = -2/3

Substitute

y - (-1) = -2/3(x-3)

y+1 = -2/3 (x - 3)

This gives the required equation of the line.

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Answer:

Increasing

Domain: [-5, ∞)

Domain: x≥-5

Range: [-0.5,∞)

Range: y≥-0.5

Ths. nth term of the sequence will be 4 - 3n.

The next three terms will be -5, -8 and -12.

It should be noted that a sequence simply represents the numbers that have a common term between them.

In this case, the numbers that are given include 7, 4, 1 and -2.

It should be noted that the common difference will be:

= Second term - First term

= 4 - 7

= -3

The first term is 7. The nth term will be:

= a + (n - 1)d

= 7 + (n - 1)-3

= 7 -3n + 3

= 4 - 3n

The next three terms will be the difference of three subtracted from the numbers. This will be -5, -8 and -12.

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While graph A shows a Strong Negative Correlation (Option E), Graph B shows a No Correlation. (Option C)

A significant negative correlation, on the other hand, suggests a substantial relationship between the two variables, but that one rises while the other falls. For example, a correlation of -0.97 suggests a high negative connection, whereas a correlation of 0.10 shows a mild positive correlation.

A scatter plot, also known as a scatter graph or scatter chart, employs dots to represent the values of many numerical variables. To demonstrate a weak positive association, the value of Y grows slightly as the value of X increases.

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Answer:

-1/4 is the slope.

Step-by-step explanation:

To find the slope of the given points, we can use the formula:

y2-y1/x2-x1

So, in this case, subtract 5 and 7, and subtract 9 and 1.

5-7=-2

9-1=8

-2/8

Now, simplify.

-1/4 is the slope.

The slope of the graph that passes through points (1, -2) and (0, 2) is: -4.

Using two points on a given graph, (x1, y1) and (x2, y2), the slope (m) of the graph can be calculated by plugging the coordinates of the two points into the slope formula:

Slope (m) = change in y/change in x = (y2 - y1)/(x2 - x1).

Given two points on a line as shown in the graph attached below, (1, -2) and (0, 2), the slope of the graph is calculated as:

Let,

(1, -2) = (x1, y1)

(0, 2) = (x2, y2)

Plug in the values:

Slope of the graph (m) = (2 - (-2))/(0 - 1)

Slope of the graph (m) = (2 + 2)/(0 - 1)

Slope of the graph (m) = 4/-1

Slope of the graph (m) = -4.

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Answer:

the other guy is right I got 100% on my quiz

Step-by-step explanation:

Answer:

The  solution is (10, 11)

Step-by-step explanation:

We have the following equations to work with

[tex]\dfrac{1}{2}x + 6 = 2x + 31\\2.5x + 6 = 31\\[/tex]

Subtract 6 from both sides

[tex]\\\\\Rightarrow 2.5x = 31 - 6 = 25[/tex]

Divide by [tex]2.5x[/tex] on both sides:
[tex]\Rightarrow x = \dfrac{25}{2.5} = 10[/tex]

Substitute for x in the first equation
[tex]y = \dfrac{1}{2}x + 6\\\\\rightarrow y= \dfrac{1}{2}\times 10 + 6\\\\\rightarrow y=5 + 6 = 11\\\\[/tex]

So the So the solution is

Answer:

by dividing with a small number like 2

Step-by-step explanation:

the LCM of 4 is4

Por la ley de coseno se encuentra que las medidas de los ángulos internos del triángulo son aproximadamente 50.977°, 41.752° y 87.271°, respectivamente. El área del triángulo según la fórmula de Herón es aproximadamente 20.976 pies cuadrados.

En esta pregunta tenemos conocimiento de las medidas de los tres lados del triángulo, a partir de los cuales debemos hallar las medidas de sus ángulos internos y el área de la figura geométrica. Primero, se determina la medida de los ángulos mediante la ley del coseno:

cos α = (7² - 6² - 9²) / (- 2 · 6 · 9)

α ≈ 50.977°

cos β = (6² - 7² - 9²) / (- 2 · 7 · 9)

β ≈ 41.752°

cos γ = (9² - 7² - 6²) / (- 2 · 7 · 6)

γ ≈ 87.271°

Finalmente, se determina el área mediante la fórmula de Herón:

Semiperímetro

s = 0.5 · (7 + 6 + 9)

s = 11

Fórmula de Herón

A = √[11 · (11 - 7) · (11 - 6) · (11 - 9)]

A ≈ 20.976

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Answer:8s^3 , 27s^3 , n^3s^

Step-by-step explanation:

As we know that

Volume of the cube = side × side × side

let us assume that one side is s

side = 2s

Then,

Volume = 2s ×2s×2s

=8s^3

side =3s

Then,

Volume= 3s×3s×3s

 =27s^3

side =ns

Then,

Volume= ns×ns×ns

 =n^3 s^3



The equation to find the elapsed time is  -16t^2 + 20 + 15 = 0 and the elapsed time is 1.479 seconds

The given parameters are:

h(t) = -16t^2 + 20

Also, we have:

Safety net = 15 feet below

This means that

h(t) = -15

Substitute h(t) = -15 in h(t) = -16t^2 + 20

So, we have

-16t^2 + 20 = -15

Add 15 to all sides

-16t^2 + 20 + 15 = 0

Using a graphing calculator, we have

t = -1.479 and t = 1.479

Time cannot be negative

So, we have

t = 1.479

Hence, the time is 1.479 seconds

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Answer:

32%

Step-by-step explanation:

Well, 14+8+3=25

So, 8/25=32/100, which means 32%

Answer:

Person above me is right

There is a 1/6 chance of getting the same number.

Simply put, probability is the likelihood that something will occur. When we don't know how an event will turn out, we can discuss the likelihood or likelihood of several outcomes. Statistics is the study of events that follow a probability distribution.

Probability is the ratio of favorable outcomes to all other potential outcomes of an event.

two moral six-sided dice are used.

It is necessary to calculate the odds that the dice will yield the same result.

A total of 36 results were attained.

Results that are favorable include (1,1), (2,2), (3,3), (4,4), (5,5), and (6,6).

Total: 6 positive outcomes.

As a result, the likelihood of an occurrence is determined by the proportion of favorable outcomes to all other potential outcomes.

A shift in the values

The likelihood of an event is 1/6 or 6/36.

The likelihood that two dice will produce the same number is therefore 1/6.

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The greatest common factor of 24, 36 and 72 is 12.

12 is the greatest common factor of 24, 36, and 72

The scale of 1 cm to 5 mi is smaller.

An object is enlarged in a scale drawing. An expansion increases or decreases the size of an object by multiplying each of its lengths by a scale factor. Consequently, when using scale drawings: Find out what the drawing's scale is. Use a ruler to measure the distance on the drawing (or, if available, count the number of squares). To get the distance in real life, multiply the measurement by the scale.

Given Data

Drawing 1 uses the scale of 1 cm to 5 mi

Drawing 2 uses the scale of 1 cm to 10 mi

the scale of 1 cm to 5 mi is smaller.

1 inch to 5 miles scale means that on the drawing, 1 inch corresponds to 5 actual miles. If a road is depicted on a drawing as being 2 inches long, it is actually 10 miles long.

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Answer:

p = 4

Step-by-step explanation:

2p + 7 = 15 ( subtract 7 from both sides )

2p = 8 ( divide both sides by 2 )

p = 4

Answer:

P = 4

Step-by-step explanation:

2P + 7 =15

2P = 15 - 7

2P = 8

P = 8/2

P = 4

Answer:

A and E only

Step-by-step explanation:

Answer:

Angle 1 is 132 and angle 2 is 48

Step-by-step explanation:

Since 132 plus 18 make the 180 line.

Answer:

-5/6 Is the correct answer.,

Answer:

-5/6.

Step-by-step explanation:

-2/3 * 5/4

= (-2*5/(3*4)

= -10/12

= -5/6.

The sample mean of z = 247-925

Given Data:

13, 23, 21, 27, 37, 52, 34, 42, 31, 40, 54, 30, 15, 35, 19, 23, 22, 18.

Mickey Mantle played for the New York Yankees for 18 years, from 1951 to 1988. The average annual number of home runs he hit was as follows:

X < - C (  13, 23, 21, 27, 37, 52, 34, 42, 31, 40, 54, 30, 15, 35, 19, 23, 22, 18)

Y < - Cumsum (X)

Y

13, 23, 21, 27, 37, 52, 34, 42, 31, 40, 54, 30, 15, 35, 19, 23, 22, 18

> W < - 714 - Y

> W

Y

13, 36, 57, 84, 121, 173, 207, 249, 280, 320, 374, 404, 419, 454, 473, 496, 518, 536

> W < - 714 - Y

> W

701, 678, 657, 630, 593, 541, 507, 465, 434, 394, 340, 310, 295, 260, 241, 218, 196, 178

> Z < - C (X, Y, W)

>Z

13, 23, 21, 27, 37, 52, 34, 42, 31, 40, 54, 30, 15, 35, 19, 23, 22, 18

13, 36, 57, 84, 121, 173, 207, 249, 280, 320, 374, 404, 419, 454, 473, 496, 518, 536

701, 678, 657, 630, 593, 541, 507, 465, 434, 394, 340, 310, 295, 260, 241, 218, 196, 178

a) Z's minimal value = 13

b) Sum of the element's squares in Z = 5853370

c) Z's sample mean = 247.9259

d) The variation of z in samples (variance) = 478133.92

e) Z's Standard Deviation = 218.6639

f) W's 18th element = 178

g) X's Sample Variance = 142.6536

h) The sample variance of 5x = 3566.34

i) Length of elements in 5x = 18

j) The unique (different) values are in Z = 52

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According to the question,

If B weighs x, then A would be 3x. So, P would  be 2x, i.e., P divides A & B in 1:3 internally.

Coordinates of A (7, 3)

Coordinates of B  (-3, -10)

Let coordinates of P  be (x, y)

P(x) = 7 × (1) + (-3 × 3) / 3+1 =  -2/4 = -2

P(y) = (3 × 1) + (-10 × 3) / 3+1 = -27/4

P(x, y) = (-2, -27/4)

Therefore, the correct answer is option A.

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Boat B's relative bearing to Boat A is 27.65

The angle between the travel direction and another direction is known as the relative bearing. From the current direction, this angle is measured in a clockwise motion. As an illustration, a ship is now moving at a bearing of 050°. From the ship's present direction, a relative bearing of 010° is calculated. Bearings can be used to show both the direction and the angle of a certain location. In math, bearings are three-digit angles measured clockwise from a protractor's zero-degree point. On your GCSE math test, the north direction (or starting point) is typically given in the question text.

Given the data, we can infer that

According to the Pythagoras Theorem,

In a right triangle,

c²=a²+b²

where

c is the hypotenuse

a and b are the legs

In this problem

Let

c  ----> the distance between the boats

a -----> the horizontal distance between the boats

b -----> the vertical distance between the boats

substitute the values,

c²=21²+18²

c=√(21²+18²)

c=27.65

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