$86 for 8 hours of babysitting. how much do u make for one hour?
unit rate :


plz help meee ​

For a given sample, a 50% confidence level would lead to the largest confidence interval width.A confidence interval is a range of values that surrounds the unknown true value of a population parameter.

A population parameter refers to a numerical characteristic of a population. In a statistical context, the word 'population' refers to a group of individuals or objects that we are interested in studying.A confidence interval is a way to quantify the precision of an estimate. It is a range of values that surrounds the true population parameter and that we can be reasonably confident captures the true value of that parameter.

In statistics, a confidence interval is a measure of the accuracy of an estimate, usually derived from a statistical sample. Confidence intervals have an associated level of confidence, which quantifies the level of uncertainty associated with the measurement. The level of confidence is a measure of how certain we are that our sample estimate is accurate.Therefore, if we want to have the largest confidence interval width, we will choose the confidence level that is nearest to 50%. The 50% confidence level means that we are 50% sure that the population parameter falls within our confidence interval. The confidence interval for a 50% confidence level is the widest confidence interval and will have the greatest width.

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Answer:

43,200 minutes in 1months or 30 days

There are 43200 minutes in one month.

The basic explanation of multiplication is adding a number, with respect to another number, repeatedly.

Given that, How many minutes are in a 30-day month,

We have, 60 minutes in 1 hour

And, 24 hours in 1 day,

Then, number of minutes in 1 day = 60 × 24 = 1440 minutes

Therefore, in 1 month = 1440 × 30 = 43200 minutes

Hence, there are 43200 minutes in one month.

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Por lo tanto, la longitud de la circunferencia con un diámetro de 32 cm sería aproximadamente 100.53 cm.

La fórmula para calcular la longitud de una circunferencia es:

Longitud = π * Diámetro

En este caso, si el diámetro es de 32 cm, podemos calcular la longitud de la siguiente manera:

Longitud = π * 32 cm

El valor de π (pi) es una constante que representa la relación entre la circunferencia de un círculo y su diámetro. Usualmente, se aproxima a 3.14159.

Por lo tanto, la longitud de la circunferencia sería:

Longitud ≈ 3.14159 * 32 cm

Calculando el resultado:

Longitud ≈ 100.53096 cm

Por lo tanto, la longitud de la circunferencia con un diámetro de 32 cm sería aproximadamente 100.53 cm.

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The solution of the given fraction can be gotten through filling the boxes with the following values respectively;

8/100 + 9/10 = 98/100

A fraction is defined as the representation of a part of a whole value in the form of a numerator and denominator.

The given fraction;

8/100 + 9/10 = ?

Find the lowest common multiple of the denominator = 100.

= 8/100 + 9/10

= 8 + 90/100

= 98/100

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In order to determine the cost for 0.5 hours, Mohal would need to know the initial studio-use fee and the hourly fee charged by the studio.

It is not possible to determine the amount of money Mohal would need to pay in studio fees for 0.5 hours based on the information provided. The table shows a linear relationship between the number of hours in the studio (t) and the total amount of money paid (P), but it does not provide a mathematical equation that can be used to calculate the cost for any given number of hours. In order to determine the cost for 0.5 hours, Mohal would need to know the initial studio-use fee and the hourly fee charged by the studio.

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Answer:

First question:

y intercept = 3

slope = -1/3

y = -1/3x+3

Second Question:

y intercept = -3

slope = -3/2

y = -3/2x=3

Third Question:

y intercept = -1

slope = 3

y = 3x-1

youre welcome buddy :)

Answer:

y=0x-1

Step-by-step explanation:

mx is our slope, while our b is always going to be our y intercepts

There were 13.9 chocolate chips on average in each cookie, with a standard deviation of 2.9. Based on this sample, it is estimated that there are between 13.3 and 14.5 chocolate chips per cookie within the 80% confidence interval.

To calculate the 80% confidence interval for the number of chocolate chips per cookie, we can use the formula:

Confidence Interval = Mean ± (Z * (Standard Deviation / √( SampleSize))) First, we need to find the critical value (Z) for an 80% confidence level.

The Z-value corresponds to the desired confidence level and can be obtained from a standard normal distribution table or calculated using a statistical software. For an 80% confidence level, the Z-value is approximately 1.282.

Confidence Interval = 13.9 ± (1.282 * (2.9 / √43))

Calculating the expression inside the parentheses:

Confidence Interval = 13.9 ± (1.282 * 0.442)

Calculating the final confidence interval:

Confidence Interval ≈ 13.9 ± 0.567

Therefore, the 80% confidence interval for the number of chocolate chips per cookie for big chip cookies is approximately (13.3, 14.5).

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Answer:

i think b=24

Step-by-step explanation:

Answer:

b = -864/11 = -78.545

Step-by-step explanation:

The average speed of John for the whole journey is 54km/h.

Calculating average speed involves dividing the total distance traveled by the total time it took to cover that distance.

Speed is the rate of movement of something at a specific time.

Average speed refers to the average speed over the course of a journey.

So, the average speed will be:

Distance = speed x time

d₁ = v₁ x t₁

d₁ = 50 x 3

d₁ = 150 km

d₂ = v₂ x t₂

d₂ = 60 x 2

d₂ = 120 km

So,

D = d₁ + d₂

D = 150 + 120

D = 270 km

Utilizing the S formula:

S = D/ T

S = 270 / 5

S = 54 km/hr

S = 54km/hr

Therefore, the average speed of John for the whole journey is 54km/h.

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All of the following expressions represent the sum of n and itself, except n²

To solve his problem, we need a brief idea about algebraic operations like summation, multiplication, etc.

When we add two or more same algebraic digits we have to just add their coefficients. Otherwise, it remains the same.

Example :

Here 2n = n + n, the sum of n and itself but n² = n × n, which is the multiplication of n and itself,

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Answer:

x =0 ,x =7

Step-by-step explanation:

Method 1 ; Factoring

\(9x^2 -63x =0\\\\\mathrm{Solve\:by\:factoring}\\\mathrm{Factor\:}9x^2-63x:\quad 9x\left(x-7\right)\\\\9x\left(x-7\right)=0\\\\\mathrm{Using\:the\:Zero\:Factor\:Principle:}\\if\:ab=0\:\mathrm{then}\:a=0\:\mathrm{or}\:b=0\:\left(\mathrm{or\:both}\:a=0\:\mathrm{and}\:b=0\right)\\\left(\mathrm{or\:both}\:a=0\:\mathrm{and}\:b=0\right)\\\\x =0\\\mathrm{Solve\:}\:x-7=0:\quad x=7\\x=0,\:x=7\)

Method 2 ; Completing the square

\(9x^2-63x=0\\\\\mathrm{Divide\:both\:sides\:by\:}9\\\frac{9x^2-63x}{9}=\frac{0}{9}\\\\x^2-7x=0\\\mathrm{Solve\:by\:completing\:the\:square}\\\mathrm{Write\:equation\:in\:the\:form:\:\:}\\x^2+2ax+a^2=\left(x+a\right)^2\\\\\mathrm{Solve\:for\:}a,\:2ax=-7x:\quad a=-\frac{7}{2}\\\\\mathrm{Add\:}a^2=\left(-\frac{7}{2}\right)^2\mathrm{\:to\:both\:sides}\\x^2-7x+\left(-\frac{7}{2}\right)^2=0+\left(-\frac{7}{2}\right)^2\\\\\mathrm{Simplify\:}\\0+\left(-\frac{7}{2}\right)^2:\quad \frac{49}{4}\)

\(x^2-7x+\left(-\frac{7}{2}\right)^2=\frac{49}{4}\\\\\mathrm{Complete\:the\:square}\\\left(x-\frac{7}{2}\right)^2=\frac{49}{4}\\\\\mathrm{For\:}f^2\left(x\right)=a\mathrm{\:the\:solutions\:are\:}f\left(x\right)=\sqrt{a},\:-\sqrt{a}\\\\\mathrm{Solve\:}\:x-\frac{7}{2}=\sqrt{\frac{49}{4}}:\quad x=7\\\\\mathrm{Solve\:}\:x-\frac{7}{2}=-\sqrt{\frac{49}{4}}:\quad x=0\\\\x=7,\:x=0\)

Step-by-step explanation:

4x - 9 ≥ 17

4x ≥ 17 + 9

4x ≥ 26

4x/4 ≥ 26/4

x ≥ 13/2

x ≥ 6.5

Answer:

Grapes and strawberries

Step-by-step explanation: hope this helps :)

Answer:

x = -4u/3

Step-by-step explanation:

The first step is to create a fraction on both sides in order to prepare for cross-multiplication.

Cross-multiplication is a shortcut for the following technique, shown by this example.

a/b=c/d

Multiplying both sides of the equation by bd using the multiplication property of equality will then grant the equation ad = bc, and then a single component can be isolated by creating the equation a = bc/d for example using the division property of equality.

Back to cross-multiplication, however, creating a fraction of both sides can be achieved by creating the equation u/1 = -3x/4, since any number divided by 1 is equal to itself.

Then, by cross-multiplying u and 4 and 1 and -3x, you get the equation 4u = -3x.

Dividing both sides by -3 will then grant the final answer of x = -4u/3.

Answer:

12fl. oz=354ml

Step-by-step explanation:

The equation of the line that is parallel to y = 3x + 6 and passes through the point (3, 0) is y = 3x - 9.

To find the equation of a line that is parallel to the given line y = 3x + 6 and passes through the point (3, 0), we can use the point-slope form of a linear equation.

Since the parallel line has the same slope as y = 3x + 6, which is 3, we can write the equation as:

y - y1 = m(x - x1),

where (x1, y1) is the given point (3, 0), and m is the slope, which is 3.

Plugging in the values, we have:

y - 0 = 3(x - 3).

Simplifying further:

y = 3(x - 3).

Expanding the expression:

y = 3x - 9.

Therefore, the equation of the line that is parallel to y = 3x + 6 and passes through the point (3, 0) is y = 3x - 9.

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The measure of length PQ will be 22 units.

A triangle's third side is stated to be parallel to the line segment uniting its two midpoints, and it is also half as long as the third side.

Given:

PQ = 5x + 62, and MN = 6x-4

Now, using Mid- Point Theorem

PQ= 1/2 MN

-5x+ 62 = 1/2( 6x - 4)

-5x+ 62 = 3x - 2

-5x- 3x = -2 - 62

-8x = -64

x= 8

PQ= 5x+ 62 = -5(8) + 62 = -40 + 62 = 22

Hence, the measure of PQ is 22 units.

The missing image is attached below.

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The realtor earned $9,375 in commission for selling two homes for a total of $750,000.

A sales commission is money provided to an employee for completing a task, typically selling a specified number of products or services. A commission can be paid in addition to or in place of a wage.

A sales commission is a percentage of a sale's value that a sales associate or sales representative can receive. Variable expenses include the cost of items sold, credit card fees, shipping charges, and any sales commission you pay to sales personnel.

Whatever income a sales person generates is multiplied by the commission rate to determine the commission amount. It's simple: if you sell a $2,000 product, you earn 10%, or $200.

The realtor earned a commission of 1.25% of $750,000, which can be calculated as follows:

$750,000 * 1.25% = $9,375

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Answer:

Rearrange the equation so "y" is on the left and everything else on the right.

Plot the "y=" line (make it a solid line for y≤ or y≥, and a dashed line for y< or y>)

Shade above the line for a "greater than" (y> or y≥) or below the line for a "less than" (y< or y≤).

Step-by-step explanation:

The confidence interval for a proportion should be constructed since the variable of interest is a person's opinion, which is a qualitative variable.

A trait that cannot be quantified is referred to as a categorical variable (also known as a qualitative variable).

Nominal or ordinal categorical variables are also acceptable.

Since the variable of interest is a person's opinion, which is a qualitative variable, the confidence interval for a proportion should be built.

Statistical Variables Qualitative variables also referred to as categorical variables are variables without a built-in sense of hierarchy.

As a result, they are quantified using a nominal scale.

For instance, a qualitative variable is a name as well as hair color (Black, Brown, Gray, Red, Yellow).

Therefore, the confidence interval for a proportion should be constructed since the variable of interest is a person's opinion, which is a qualitative variable.

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The reduced cost matrix for travelling salesperson problem in the given instance is shown below. The Travelling Salesperson Problem (TSP) is a classical combinatorial optimization issue that belongs to the category of NP-Hard problems.

This problem can be resolved using a branch and bound algorithm or by using dynamic programming.The reduced cost matrix for the given travelling salesperson problem instance The computation of the reduced cost matrix for travelling salesperson problem involves two steps: Identify the smallest element of each row and subtract the value from all the values in the row.

Identify the smallest element of each column and subtract the value from all the values in the column.In the given instance, the smallest element of each row is highlighted in bold. Therefore, after performing Step 1 the matrix becomes the matrix becomes Hence, the reduced cost matrix for the travelling salesperson problem is obtained.

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Answer:

²²⁵/₂  servings or 112 ¹/₂ servings

Step-by-step explanation:

assuming that Jennifer will serve ²/₃ of a pound of ice cream per serving, then the maximum amount of servings that she can make = total pounds of ice cream / individual serving of ice cream

= 75 pounds / (²/₃ pound)

= (75 pounds x 3) / 2 pounds

= ²²⁵/₂  servings or 112 ¹/₂ servings

\(~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$4000\\ r=rate\to 6\%\to \frac{6}{100}\dotfill &0.06\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{per year, thus once} \end{array}\dotfill &1\\ t=years\dotfill &5 \end{cases} \\\\\\ A=4000\left(1+\frac{0.06}{1}\right)^{1\cdot 5} \implies A=4000(1.06)^5\implies A \approx 5352.90\)

now, we're assuming is a 6% growth of the current amount per year, namely compounded, as opposed to simple interest.

The distance between two trains is 224 miles.

The speed of one train is 75 miles per hour and the speed of the second train is 85 miles per hour.

The train is moving towards each other. So the relative speed of the train is,

So the distance between trains 224 miles is covered at the speed of 160 miles per hour.

Determine the time after which trains meet each other.

So two trains meet after 1.4 hours.

The correct option regarding the skewness of the distribution is given by:

This is a skewed-left distribution, because the mean is less than the median.

If the mean is greater than the median, the distribution is right-skewed, also called positively skewed. Otherwise, if the median is greater than the mean, the distribution is left-skewed, also called negatively skewed.

In this problem, we have that:

The median is greater than the mean, hence the correct option is given by:

This is a skewed-left distribution, because the mean is less than the median.

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\Step-by-step explanation:

convert to math form:

\(\frac{x}{2} \le5\)

simplify:

\(x \le 10\)

convert to word form(optional):

x is less than or equal to 5.

In a Compton scattering experiment, the scattered photon moves in a direction different from the incident photon. It scatters at an angle relative to the incident direction.

In Compton scattering, the incident X-ray photon transfers energy and momentum to the electron it interacts with. As a result, both the electron and the scattered photon change their direction and energy.

When the incident X-ray photon strikes the initially at rest electron, it transfers some of its energy and momentum to the electron. This interaction causes the electron to gain energy and be accelerated in the same direction as the incident photon.

Simultaneously, the scattered photon, which retains some of its energy, moves in a direction different from the incident photon. The angle at which the scattered photon deviates from the incident direction is known as the scattering angle.

The scattered photon's direction depends on the interaction between the X-ray photon and the electron, and it can vary based on factors such as the energy of the incident photon and the scattering angle. The phenomenon of Compton scattering provides valuable insights into the behavior of X-rays and their interactions with matter.

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The division is one of the four fundamental arithmetic operations. The amount that is needed to be paid by each friend is $74.75.

Division is one of the four fundamental arithmetic operations, which tells us how the numbers are combined to form a new one.

As it is given that the total cost of the computer is $299, it is needed to be split between four friends. Therefore, the price will be paid by the four friends equally which can be written as,

\(\text{Amount paid by each friend}=\dfrac{\text{Total cost of computer}}{\text{Number of friends}}\\\\\\\text{Amount paid by each friend}=\dfrac{\$299}{4} = \$74.75\)

Thus, the amount that is needed to be paid by each friend is $74.75.

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