find the slope of this line

The required solution of the given inequality 2x < 8 is x < 4.

The relation between two expressions that are not equal, employing a sign such as ≠ ‘not equal to’, > ‘greater than’, or < ‘less than’.

Given:

The given  inequality is

2x < 8

According to given question we have

Write inequality

2x < 8

Divide both sides by 2 we get,

x < 4

Therefore, the required solution of the given inequality 2x < 8 is x < 4.

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Answer:

Every 10 seconds is 1 gallon

Answer:

the patient would receive 375 mL of fluid in 3 hours.

Step-by-step explanation:

To calculate the amount of fluid a patient would receive in 3 hours, we can use the formula:

Flow rate (mL/hr) = Total volume (mL) / Time (hr)

Flow rate = 1000 mL / 8 hr = 125 mL/hr

To find the amount of fluid a patient would receive in 3 hours, we can use the formula:

Volume = Flow rate x Time

Volume = 125 mL/hr x 3 hr = 375 mL

So the patient would receive 375 mL of fluid in 3 hours.

Answer:

Step-by-step explanation:

3/5 because 10 is their GCF

Answer:

The answer is 3/5

Step-by-step explanation:

30/50 > 6/10 >3/5

Just divide 30/50 (both numbers by 5) and then divide 6/10 (both numbers by 2). Hope this helped :)

Answer:

[tex]c = \sqrt{74}[/tex]

Step-by-step explanation:

To find the distance between the two, we will use the Pythagorean theorem ([tex]a^{2} + b^{2} = c^{2}[/tex]). To find a and b, we need to subtract the distances between the y coordinates and the x coordinates respectively. For the x coordinates, we have 8 - 1 = 7 units. For the y coordinates, we have 7 - 2 = 5. Plugging this into our equation gives us:

[tex]7^{2} + 5^{2} = c^{2}[/tex]

We will simplify our exponents:

[tex]49 + 25 = c^{2}[/tex]

Then adding them together gives us:

[tex]74 = c^{2}[/tex]

Then, we square root both sides giving us:

[tex]\sqrt{74} = c[/tex]

Then, we cannot simplify past this, since 74's prime factorization doesn't allow it. So, [tex]c = \sqrt{74}[/tex].

Hope this helped!

Classifying  the scenarios as an observational study, an experiment, or a sample survey.

Scenario A: Counties in eastern Iowa that received either an above typical or below typical rainfall in a given year are compared in terms of corn production - observational study.

Scenario B: Eight students were chosen at random from the cafeteria and asked if their favorite sport was soccer- a sample survey

Scenario C: To determine which drug is most effective in treating the common cold, drug A or drug B, cold patients were randomly given one of the two drugs and the results were compared-  a sample survey.

Scenario D: To determine which hair growth treatment was most effective in regrowing hair, GrowHair or ReGain, participants were assigned a treatment to determine which showed the most new hair growth- experiment.

Scenario E: Students who were taught reading by two different methods are compared in terms of their reading standardized test scores  observational study.

Scenario F: Ten employees are randomly selected and asked whether they would be in favor of a new management position in their department- a sample survey.

Sample Survey can be defined as the way in which people are randomly choose or pick from a large population so as to draw or reach a conclusion.

Observational study is a type of research method in which  people are be observed before conclusion are drawn.

Experiment study is research method in which something is been  tested before conclusion are reach.

Therefore Scenario A: Counties in eastern Iowa that received either an above typical or below typical rainfall in a given year are compared in terms of corn production - observational study.

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Answer:

parallel

Step-by-step explanation:

solve for the second equation so y is by itself

y=-2x+3

their slopes are the same so they're parallel

The yard is an English unit of length in both the British imperial and US customary systems of measurement equalling 3 feet or 36 inches.

Since 1959, it has been precisely standardised to 0.9144 metres per international agreement. The word "yard" comes from the Old English word "gerd," "gyrd," etc., which was used for measuring sticks, staves, and branches.

The term first appears in the late 7th-century regulations of Ine of Wessex  where "yard of land" refers to the yardland, an ancient English tax assessment unit equivalent to one-fourth of a hide.

Around the same time, it was substituted for a branch moved by the wind in the Lindisfarne Gospels description of the messengers from John the Baptist in the Gospel of Matthew. In addition to the yardland, surveying lengths of 15 feet (4.6 m) or 16.5 feet were also referred to as "yards" in Old and Middle English (5.0 m).

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Answer:The correct statement among the given options is:

StartFraction 1 inch Over 2.54 centimeters EndFraction = StartFraction 7 inches Over 17.68 centimeters EndFraction SO 1 is the answer.

On solving the provided question, we can say that by percentage, 19.7% 0f female = 19.7/100 * 54 = 10.638

A percentage in mathematics is a figure or ratio that is stated as a fraction of 100. The abbreviations "pct.," "pct," and "pc" are also occasionally used. It is frequently denoted using the percent symbol "%," though. The amount of percentages has no dimensions. With a denominator of 100, percentages are basically fractions. To show that a number is a percentage, place a percent symbol (%) next to it. For instance, if you correctly answer 75 out of 100 questions on a test (75/100), you receive a 75%. To compute percentages, divide the amount by the total and multiply the result by 100. The percentage is calculated using the formula (value/total) x 100%.

by percentage,

male = 2139

female  = 54

19.7% 0f female = 19.7/100 * 54 = 10.638

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The numerator of the indicated expression is s+7.

The numbers 7, 14, 21, 28, 35, and 42 are the multiples of 7. 3 and 7 only share 21 as their smallest common number. 21 is the least common denominator as a result. The denominators can be multiplied by one another to find the common denominator for two or more fractions.

We were given the following rational expression:

where p is the numerator and q is the denominator, is the general representation of the rational expression.

So, the expression we provide is:

Assuming the LCM, the following expression can be rewritten as

Comparing (1) with the above-mentioned general rational expression

The numerator of the given expression is p=s+7.

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The estimated regression equation is :

          ŷ = 12.924 - 3.682[tex]x_{1}[/tex] + 45.216[tex]x_{2}[/tex]

S0, option(d) is the correct answer.

In statistics, an estimated regression equation is an equation constructed to model the relationship between dependent and independent variables.

The least squares method is the most widely used method for developing estimates of the model parameters.

For simple linear regression, the least squares estimates of the model parameters β0 and β1 are indicated [tex]b_{0}[/tex] & [tex]b_{1}[/tex]. Using these approximates, an estimated regression equation is constructed: ŷ = [tex]b_{0} + b_{1} x[/tex] . The graph of the estimated regression equation for simple linear regression is a straight-line approximation of the relationship between y and x.

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Answer: No Solution

Step-by-step explanation:

There is no solution.

A set of equations with the same slopes and different y-intercepts have no solution.

[tex]{ \qquad\qquad\huge\underline{{\sf Answer}}} [/tex]

[tex]\qquad \sf  \dashrightarrow \: f(x) = 2 {x}^{2} - 2x - 4[/tex]

[tex]\qquad \sf  \dashrightarrow \: f(3) = 2(3) {}^{2} - 2(3) - 4[/tex]

[tex]\qquad \sf  \dashrightarrow \: f(3) = 2(9) {} - 6- 4[/tex]

[tex]\qquad \sf  \dashrightarrow \: f(3) = 18{} - 10[/tex]

[tex]\qquad \sf  \dashrightarrow \: f(3) = 8[/tex]

Answer:

(x,y) = (-1/4, -5/4)

Step-by-step explanation:

To solve the system of equations using the substitution method, we can start by solving one equation for one variable in terms of the other. Let's start by isolating y in the first equation:

y = -3x - 2

Now we can substitute this expression for y into the second equation:

6x - 2(-3x - 2) = 1

Simplifying this, we get:

6x + 6x + 4 = 1

12x + 4 = 1

12x = -3

x = -3/12 = -1/4

Now we can substitute this value of x back into the first equation to solve for y:

y = -3(-1/4) - 2 = 3/4 - 2 = -5/4

So the solution of this system of equations is (x,y) = (-1/4, -5/4)

You can check this solution by substitute these values back into the original equation and check that both are correct.

Tell me if this helped :)

Answer:

( - [tex]\frac{1}{4}[/tex], [tex]\frac{-5}{4}[/tex] )

Step-by-step explanation:

Substitute -3x - 2 for y

6x - 2y = 1

6x -2(-3x - 2) = 1

6x + 6x + 4 = 1  Combine like terms

12x + 4 = 1  Subtract 4 from both sides

12x + 4 - 4 = 1 - 4

12x = -3  Divide both sides both sides by 12

[tex]\frac{12x}{12}[/tex] = [tex]\frac{-3}{12}[/tex]

x = - [tex]\frac{1}{4}[/tex]

Substitute - [tex]\frac{1}{4}[/tex] for x to solve for y

y = -3x - 2

y = (-3)[tex]\frac{-1}{4}[/tex] - 2

y =[tex]\frac{3}{4}[/tex] - 2

y = [tex]\frac{3}{4}[/tex] - [tex]\frac{8}{4}[/tex]

y = [tex]\frac{-5}{4}[/tex]

Answer:

The first one

sorry if I'm wrong

In the above equation, swap out BD = 7x-10, BC = 4x-29, and CD = 5x-9.

BD = 88

BC = 27

CD = 61.

Given that BD is equal to 7x, BC is equal to 4x, and CD is equal to 5x,

It is evident from the above figure that Points B, C, and D are parallel. On line segment BD, point C is located.

BD = BC + CD

In the above equation, swap out BD = 7x-10, BC = 4x-29, and CD = 5x-9.

7x - 10 = (4x - 29) + (5x - 9)

When we combine similar phrases, we obtain

7x - 10 = (4x + 5x) + (-29 - 9 )

7x - 10 = 9x - 38

38 plus 38 on either side.

7x - 10 + 38 = 9x

7x + 28 = 9x

Take 7x away from both sides.

28 = 9x - 7x

28 = 2x

By 2, divide both sides.

14 = x

Consequently, x has a value of 14.

BD  = x - 10 = 7(14) - 10 = 88

88 units are BD's worth.

BC = 4x - 29 = 4(14) - 29 = 27

BC has a value of 27 units.

CD = 5x - 9 = 5(14) - 9 = 61.

The CD is worth 61 units.

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The required vertices of hyperbola is given as (3, 5±√38).

Hyperbola is part of conic section, and its equation is given as,
[tex](x - h)^2/a^2 + (y - k)^2/b^2 = 1[/tex], where h,k is center and a and b are the lengths of the semi-major and the semi-minor axes.

Here,
Given equation of hyperbola,
36x²-y^²-216x+10y+261=0
Equation of hyperbola in vertex form is given as,
(x - 3)²/(19/18) - (y - 5)²/38 = 1

From above equation,
h = 3 k = 5 a = √38/6 and b = √38

Vertices of the  hyperbola is given as,
(h, k ± b) = (3, 5±√38)

Thus, the required vertices of hyperbola is given as (3, 5±√38).

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The measure of angle S in ΔRST to the nearest degree is 44°.

A triangle is a three-sided closed-plane figure formed by joining three noncolinear points. Based on the side property triangles are of three types they are Equilateral triangle, Scalene triangle, and Isosceles triangle.

We know sine rule of a triangle ABC is, a/sinA = b/sinB = c/sinC.

Given, In ΔRST, m < R = 100°, r = 20, and t = 12.

Therefore,

r/sinR = t/sinT.

20/sin100° = 12/sinT.

20.30 = 12/sinT.

sinT = 12/20.3.

sinT = 0.59.

T = sin⁻¹(0.59).

T = 36°.

We know the sum of all the interior angles in a triangle is 180°.

Therefore, m∠R + m∠T + m∠S = 180°.

100° + 36° + m∠S = 180°.

m∠S = 180° - 136°.

m∠S = 44°.

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The approximate number of packets containing blades with no defective is :  9802

We are given the probability of defect per blade = 1/500 = 0.002

The general formula for Poisson distribution is;

Pₓ (k) = (x^k)/k × e⁻ˣ

Where;

k = The number of defective blades in a packet.

For a packet of 10 blades the mean number of defect is;

x = 0.002 × 10

x = 0.02

When there is no defective in a consignment, then it means k = 0

Thus;

Pₓ(0) = (0.02⁰ / 0!) × e^(-0.02) = 0.980199

The approximate number of packets containing blades with no defective is : 10000 × 0.980199 = 9802

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Answer:

357

Step-by-step explanation:



Answer:

the solution and explanation/work is in the images

Answer:

x+5 > 12

Step-by-step explanation:

A number plus 5 is greater than 12 represents x + 5 > 12.

25.6

The question is asking for the difference between 4000 compounded interest and 4000 with simple interest.

So simply calculate 4000 compounded by 8% per annum for 2 years:

4000(1+0.08)^2=4665.6

Now calculate 4000 with simple interest of 8% per annum for 2 years:

4000(1+0.08×2)=4640.

Now subtract the simple interest amount from the compounded amount:

4665.6-4640=25.6

Hope that helps :)

Using the formula a³ – b³ = (a – b)(a² + ab + b²), we have factor (8m – 1)(64m² + 8m + 1).

Factors are the positive integers that can divide a number evenly in mathematics. Say we want to create a product by multiplying two numbers. The factors of the product are the number that is multiplied. Each number has its own factor.

Examples of factors in real life include putting candies in a box, arranging numbers in a pattern, giving chocolates to kids, and many more.

Factors are the figures that can divide an amount precisely. As a result, there is no remainder after division. Factors are the sums of numbers that you multiply to produce another number. A factor is therefore the divisor of another number.

Using the formula

a³ – b³ = (a – b)(a² + ab + b²)

8m³ - 1³ = (8m – 1)(8m² + 8m + 1²)

8m³ - 1³ =  (8m – 1)(8m² + 8m + 1²)

8m³ - 1³ =  (8m – 1)((8m)² + 8m + 1²)

8m³ - 1³ =  (8m – 1)(64m² + 8m + 1)

8m³ - 1³ =  (8m – 1)(64m² + 8m + 1)

Thus, Using the formula a³ – b³ = (a – b)(a² + ab + b²), we have factor (8m – 1)(64m² + 8m + 1)

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The expression, 5 ÷ 3, in standard form, would be 1. 67 x 10⁰.

For the purposes of representing large or small numbers in mathematics, a standard form of a number is essentially mentioned. To represent such numbers in standard form, we employ exponents.

It would be easier to understand the correct definition of standard form if you used decimal numbers and adhered to specific restrictions. As is well known, fractions are expressed more simply as decimal numbers.

Basically, in standard form, we try to ensure that only one digits is to the left of the decimal point and then to the right are the rest of the digits in the number. The position of the number is then reflected as a power of 10.

First, solve 5 ÷ 3 :

= 5 / 3

= 1. 667

The result already has only one number to the left of the decimal so the power of 10 would be 0:

= 1. 667 x 10⁰

This is because every number to the power 0, is 1 and so 1.667 x 10⁰ would be the same as 1. 667 x 1 which is correct.

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The function shown in the graph is f(x)=3x-2.

The slope of the line is the ratio of the rise to the run, or rise divided by the run. It describes the steepness of line in the coordinate plane.

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

The slope of line passing through two points (x₁, y₁) and (x₂, y₂) is

m=y₂-y₁/x₂-x₁

From the given graph let us take two points.

(0, -2) and (2,4)

m=6/2=3

Now let us find y intercept.

4=3(2)+b

4=6+b

-2=b

Hence, the function shown in the graph is f(x)=3x-2.

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The set of ordered pairs that best represents the linear function f(x) = (1/2)x +2 is the third option.

H { (-4, 0), (-1, 1.5), (2, 3), (4, 4)}

We want to see which one of the given sets best represents the linear function:

f(x) = (1/2)x +2

To identify the correct option, we need to see which set of ordered pairs only includes points that are on the linear equation.

For example, the first set starts with the point (-4, -7.5)

Replacing these values in our function we will get:

-7.5 = (1/2)*-4 + 2

-7.5 = -2 + 2

-7.5 = 0

This is false, so we can discard the first equation.

(We also can see that f(-4) = 0, so we can also discard the second option).

Now let's look at the third option, the second point is (-1, 1.5)

f(-1) = 1.5 = (1/2)*-1 + 2

        1.5 = -0.5 + 2

         1.5 = 1.5

This point belongs to the functions graph.

(and on the other set we have the point (-1, 3), that point clearly does not belong to the graph, so we can also discard this option).

Finally, the only remaining option is the third one, H.

{ (-4, 0), (-1, 1.5), (2, 3), (4, 4)}

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The meaning of the y-intercept in this situation is ,

''For every additional mile the cab travels, the total fee increases by $12.00.''

The equation of line in point-slope form passing through the points

(x₁ , y₁) and (x₂, y₂) with slope m is defined as;

⇒ y - y₁ = m (x - x₁)

Where, m = (y₂ - y₁) / (x₂ - x₁)

From the table, we have the following parameters:

Points (x, y) = (2, 5) and (15.00, 19.50)

So, we would calculate the slope as follows:

Slope = (19.50 - 5)/(15.00 - 2)

Slope = 14.50/13

Slope = 1.11

Hence, We get;

Fixed fee = $15 - (1.12 x 2)

               = $15 - 2.24 ≈ $12.00

So, We get;

For every additional mile the cab travels, the total fee increases by $12.00.

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numbers are 20 and 30 or 30 and 20.

A statement that represents the equality between two mathematical expressions. An equation can have one variable or two variables.

sum of two numbers = 50

sum of their reciprocal = 1/12

what is the 2 numbers.

let, one number is X and the other number is Y

as per the given condition, sum of X and Y is 50

X + Y =50 ...... equation 1

again, sum of the reciprocal of X and Y = 1/12

1/ X + 1/ Y = 1/12 ..... equation 2

 (X + Y)/ XY = 1 /12

(X + Y)12 = XY...  equation 3

from equation 1, we can write, Y = 50 - X

putting this value of Y in the equation 3

12X + 12(50 - X) = X(50 -X)

12X + 600 - 12X = 50X - X²

X² - 50X+600= 0

from the formula for quadratic equation, X = [50 ±√ (50² - 4×600)] / 2×1

                                                         X = (50±10) / 2

                                    X = 30, 20

          Y = 50 -30 = 20

      Y = 50- 20 = 30

hence, the 2 numbers are 20 and 30.

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Inferential statistics is a branch or method of statistics that makes the use of various analytical tools to draw or conclude inferences about the population data from sample data. Apart from inferential statistics, another part is descriptive statistics forms another branch of statistics.

Inferential statistics help to make conclusions about the population while descriptive statistics summarizes the features of the data set.

Inferential statistics helps to develop a good grasp of the population data by analyzing the samples obtained from it.

It helps in making concept about the population by using different analytical tests and tools.

Inferential statistics can be classified into two types of hypothesis testing and regression analysis. Hypothesis testing also includes the use of belief intervals to test the parameters of a population.

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19/6 * 3+2, expression is equivalent to 19÷6•3+2

Expressions that are equivalent do the same thing even when they have distinct appearances.

When we enter the same value(s) for the variable, two algebraic expressions that are equivalent have the same value (s).

We may be given equations with algebraic expressions on both sides in some situations.

The two expressions on either side of the equation must be comparable in order for the equation to hold true for all values of the variable. F

Hence, 19/6 * 3+2, expression is equivalent to 19÷6•3+2

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