A line has a slope of -3/5 through which two points could this line pass

Answer:1.7

Step-by-step explanation:

The linear equation for the first scenario is y = 500 while for the second scenario is y = 20x

The equation of a straight line is given by:

y = mx + b;

where y,x are variables, m is the slope of the line and b is the y intercept.

let x represent the number of sales and y represent the total salary for a weeks.

For scenario 1, there is a constant salary of $500. The linear equation becomes:

y = 500

For scenario 2, there is a commission of $20 per sale. The linear equation becomes:

y = 20x

The required solutions of percentages are below as :

100% of 60 kg = 60 kg, 20% of 60 kg = 12 kg, and 40% of 60 kg = 24 kg.

The percentage is defined as a ratio expressed as a fraction of 100.

The double number line shows that Henrik has a mass of 60kg.

According to the given question, the required solution would be as:

100% of 60 kg

⇒ (100/100) x 60

⇒ 1 x 60

⇒ 60

So, 100% of 60 kg = 60 kg

20% of 60 kg

20%  is expressed as 20/100 in fractional form

⇒ (20/100) x 60

20/100 is expressed as 0.20 in decimal form

⇒ 0.20 x 60

Apply the multiplication operation, and we get

⇒ 12

So, 20% of 60 kg = 12 kg

40% of 60 kg

⇒ (40/100) x 60

⇒ 0.40 x 60

⇒ 24

So, 40% of 60 kg = 24 kg.

Thus, the required solutions are 100% of 60 kg = 60 kg, 20% of 60 kg = 12 kg, and 40% of 60 kg = 24 kg.

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Time series forecasts are developed based on time series analysis, which comprises methods for analyzing time series data to extract meaningful statistics and other characteristics of the data.

One of the most often used data science techniques in business, finance, supply chain management, production, and inventory planning is time series forecasting.

A time component is often present in prediction difficulties, necessitating the extrapolation of time series data or time series forecasting. Another crucial field of machine learning (ML) is time series forecasting, which may be viewed as a supervised learning issue.

It can be subjected to ML techniques including regression, neural networks, support vector machines, random forests, and XGBoost. Using models created from historical data to anticipate future observations is known as forecasting.

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Answer:

line | Cartesian equation x + 5 y = 20 | x-intercept = 20 thus: D

Step-by-step explanation:

Speed of rocket travelling at 150 m/h into feet per second is 0.1367 feet per second

3.28084 feet is about equal to one meter. Multiply 3.28084 feet to the given meter value to convert

According to the given information

Speed of rocket in meter per hour is 150 m/h

To know the speed of rocket in feet per second

1 meter = 3.280 feet

15o meter = 150 × 3.280

                 = 492 feet

1 hour = 60 × 60

          = 3600 second

So,

speed of rocket in feet per second = [tex]\frac{492}{3600}[/tex]

                                                          = 0.1367 feet per second

Speed of rocket travelling at 150 m/h into feet per second is 0.1367 feet per second

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Function f(x)  is 2/9.

f(-2) for f(x) = 2 • 3^x is 2/9.

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The difference in temperature is currently six degrees Celsius. Therefore, the appropriate reaction is six degrees Celsius.

When two independent temperature readings are subtracted, or when calculating the amount of temperature rise or fall, the result is a temperature difference, also referred to as a delta temperature (T).

Simply subtract the smaller amount from the larger one to determine the difference in temperature, in this case 19 degrees Celsius from 25 degrees Celsius. We now have a six-degree Celsius temperature difference as a result. Therefore, six degrees Celsius, is the appropriate response.

Due to the varied amounts of radiation the Earth receives from the Sun at various periods of the year, there are variations in climate all over the world. The equator receives more heat from the Sun than the north and south poles, where the angle of the Sun's beams is lower.

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Answer:

please add screenshots of the question and/or illustrations

The expected value of the number of cups of coffee Alex drinks each day is 00.805 cups.

the mean/ average is gotten by dividing the sum of the values in the set by their number.

The concept of mean/average is used in this ques to calculate the expected value of the number of cups of coffee Alex drinks each day.

Mean/ Average=     sum of values

                              number of values

Mean/ Average= 00.200 cups +00.163 cups+ 00.976 cups+ 01.881 cups

                                                                 4

Mean/ Average= 00.805 cups

Hence, The expected value of the number of cups of coffee Alex drinks each day is 00.805 cups.

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Answer:

i) 960  ,    ii) 10 cm

Step-by-step explanation:

V of rectangular carton = 80 · 60 · 40 = 192 000

V of a packet of soap = 10 · 5 · 4 = 200

192 000 / 200

1920/2

960

ii)

960 : 1200 = 192 000 : x

x = 192 000 · 1200 / 960

x = 192 000 · 120 / 96

x = 240 000

80 · 60 · x = 240 000

4800 · x = 240 000

x = 240 000/4800

x = 2400/48

x = 200/4

x = 50

50 - 40 = 10

Answer:

i) 960 packets of soap

ii) 10 cm

Step-by-step explanation:

volume of cuboid = l*w*h

volume of carton = 80*60*40 = 192000 cm³

i)

volume of a packet of soap = 10*5*4 = 200 cm³

192000/200 = 960 packets of soaps

ii)

I am assuming the height is 40 cm

volume of carton/volume of a packet of soap = number of soap

x = volume of carton

x/200 = 1200

x = 1200*200 = 240000 cm³

80*60*h = 240000

4800h = 240000

h = 240000/4800 = 50 cm

50cm (desired height) - 40cm (current height) = 10cm

x= -32.

[tex]-128 = 4x[/tex]

[tex]\frac{-128}{4} = \frac{4x}{4} \\\\-32=x\\ \\x=-32[/tex]

As described in z-distribution the answers are given below:

a) The 95% confidence interval estimate for the population mean spending by a customer on visiting salon per month is given as follows: (747, 853).

b) The sampling error at 95% confidence level is of: $35.78.

What is a z-distribution ?

The normal distribution with a mean of 0 and a standard deviation of 1 is referred to as the standard normal distribution (also known as the Z distribution) (the green curves in the plots to the right). It is frequently referred to as the bell curve since the probability density graph resembles a bell.

solution:

The bounds of the confidence interval are given as follows:

In which:

is the sample mean.

z is the critical value.

n is the sample size. is the standard deviation for the population.

The parameters for this problem are given as follows:

Hence the lower bound of the interval is of:

800 - 200 x 1.96/square root of 55  = 747.

The upper bound of the interval is of:

800 + 200 x 1.96/square root of 55  = 853.

The sampling error for a sample size of 120 is calculated as follows:

200 x 1.96/square root of 120 = $35.78.

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Answer:

original price is 26 dollars

Step-by-step explanation:

19.50/0.75=26

The series of transformation that would map the quadrilateral in figure G to the quadrilateral in figure H are;

A geometric transformation involves either a change in location, size, or orientation or a combination of changes of a geometric figure.

The possible polygon with vertices in the question obtained from a similar question online and drawn using MS Excel is attached;

The vertices of the polygon are;

The coordinates of the vertices of Figure G; (-2, 7), (-6, 3), (-1, 5), (-1, 1)

The coordinates of the corresponding vertices of Figure H; (5, 7), (9, 3), (4, 5), (4, 1)

The y-values of figure G and figure H are the same, while the x-values changes both value and sign.

The coordinates of the point (x, y), following a reflection about the y-axis is the point (-x, y)

Therefore, the possible transformation that maps figure G unto figure H includes a reflection across the y-axis;

The coordinates of the vertices of figure G following a reflection about the y-axis are;

Image of figure G following a reflection about the y-axis; (2, 7), (6, 3), (1, 5), and (1, 1)

The transformation that maps the image produced by the reflection and figure H are;

Transformation (5 - 3, 7 - 7) = (3, 0)

(9 - 6, 3 - 3) = (3, 0)

(4 - 1, 5 - 5) = (3, 0)

(4 - 1, 1 - 1) = (3, 0)

The transformation that maps the image of figure G to figure H is therefore T₍₃, ₀₎, which is a translation of 3 units to the right.

The series of transformation that maps figure G to figure H are therefore;

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Answer:

A: AB corresponds to FG

Step-by-step explanation:

The question is asking for which statement if not true/false.

Answer choice A is false because when you turn the rectangle, AB does not end up where FG is. Instead, AB ends up where EF is. Also,  the length of AB is 6 units, while the length of FG is 4 units. So, they cannot correspond to each other.

To obtain a confidence interval for a population mean under the t-interval procedure.

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Step-by-step explanation:

x - 7y = -45

-x +8y = 51

the X's cancel out

-7y + 8y = -45 + 51

y = 6

Moment about the pivot must be equal for the seesaw to balance. Initially, the first cat and the bowl are at 2 m from the pivot.

The moment due to cat = 5.3*2 = 10.6 kg.m

The moment due to bowl = 2.5*2 = 5 kg.m

The unbalanced moment = 10.6 - 5 = 5.6 kg.m

Therefore, the 3.7 kg cat should stand at a distance x from the pivot in left to balance the 5.6 kg.m.

That is,

3.7*x = 5.6 => x = 5.6/3.7 = 1.5134 m to the left (on the side of the bowl)

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The width of the piece of metal will be 21 inches while the length will be 26 inches.

What is a rectangle?

A rectangle is a geometrical figure in which opposite sides are equal.

The angle between any two consecutive sides will be 90 degrees.

Main body:

Area of rectangle = length × width.

Perimeter of rectangle = 2( length + width).

Let's say the width of metal w then the length will be w + 5

Now if we cut 1 inch square from the corner of the metal and then fold then the resultant cuboid will have;

Length = w+5 - 2 -= w + 3

Width = w - 2

Height = 1

So,

Volume = (w+3)(w-2)1

456 = w² - 2w + 3w - 6

w² + w - 462 = 0

By solving this

w = 21 so width will be 21 and length will be 21 + 5 = 26.

Hence "The width of the piece of metal will be 21 inches while the length will be 26 inches".

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Monthly payment option 1 = $300,000 / 166.79161 = $1,798.65 and the monthly payment option 2 = $300,000 / 130.7201 = $2,294.98.

The numbers are missing, so I looked for similar questions to fill in the blanks:

You need a ​$300,000 loan. Option​ 1: a​ 30-year loan at an APR of 6​%. Option​ 2: a​ 15-year loan at an APR of ​4.5%.

We can use the present value of an annuity formula to calculate monthly payments.

Present value = monthly payment x PV annuity factor

Monthly payment = present value / PV annuity factor

Present value = $300,000

Option 1: PV annuity factor, 0.5%, 360 periods = 166.79161

Option 2: PV annuity factor, 0.375%, 180 periods = 130.7201

Monthly payment option 1 = $300,000 / 166.79161 = $1,798.65

Monthly payment option 2 = $300,000 / 130.7201 = $2,294.98

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The roots of the given quadratic equation are 4.56 and 0.439.

The roots of an equation are the solution of that equation, since an equation consists of hidden values of the variable so to determine them by different processes and then the resultant is called roots.

As per the given quadratic equation,

x² - 5x + 2 = 0

The roots will be as,

x = [+5 ± √(5² - 4 × 1 × 2)]/(2 × 1)

x = [5 ± 4.1232]/2

x = 4.56,0.439

Hence "The roots of the given quadratic equation are 4.56 and 0.439".

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Answer:

So there are 32/4= 8 such groups. In each group, every team plays once against every other team

Step-by-step explanation:

The graph that shows the proportional relationship between the number of liters of water (y) supplied after some time (x), is shown below.

A proportional relationship can be defined as a relationship between two variables, say x and y, in such a way that the equation, y = kx, models their relationship, where k is the constant of proportionality.

Given that the faucet supplies 12 liters of water after 3 minutes, where:

y = liters of water

x = number of minutes

Constant of proportionality, k = y/x = 12/3 = 4

The equation that describes the relationship would therefore be written by substituting the value of k = 4 into y = kx:

y = 4x

Thus, the graph that shows this proportional relationship is attached below.

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The function has 2 solutions which is x = 2 and x = 8.

What is a quadratic function?

A quadratic function is a polynomial function with one or more variables in which the highest exponent of the variable is two.

Solution:

Given :

a = 2 , vertex = (5, -18)

f(x) = a(x-h)² + K

f(x) = 2(x - 5)² - 18

f(x) = 2(x² -10x + 25) -18

f(x) = 2x² - 20x +50 - 18

f(x) = x² - 10x +16

∴ x² -10x + 16 = 0

x² - 8x - 2x + 16 = 0

x(x-8) -2(x-8) = 0

(x-2) = 0 and (x-8) = 0

∴ x = 2 and x = 8

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The quadratic function has 2 solutions which is x = 2 and x = 8.

A quadratic function is a polynomial function with one or more variables in which the highest exponent of the variable is two. A polynomial of degree two in one or more variables in mathematics is known as a quadratic polynomial. Any polynomial function that is defined by a quadratic polynomial is said to be quadratic.

The terms "quadratic polynomial" and "quadratic function" were almost interchangeable before the 20th century because it was difficult to tell a polynomial from its corresponding polynomial function. This is still true in many elementary courses where "quadratic" is frequently used to refer to both terms.

Solution:

Given :

     a = 2 , vertex = (5, -18)

f(x) = a(x-h)² + K

f(x) = 2(x - 5)² - 18

f(x) = 2(x² -10x + 25) -18

f(x) = 2x² - 20x +50 - 18

f(x) = x² - 10x +16

∴ x² -10x + 16 = 0

x² - 8x - 2x + 16 = 0

x(x-8) -2(x-8) = 0

(x-2) = 0 and (x-8) = 0

∴ x = 2 and x = 8

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Question 1

In 2015, [tex]x=5[/tex]. [tex]P(5)=87000(0.9)^5 \approx \boxed{51373}[/tex]

Question 2

[tex]78000(1-0.08)^5 \approx \boxed{51408}[/tex]

Question 3

[tex]51408 > 51373[/tex], so Greene county was more populous.