=
Suppose that a new employee starts working at $7.32 per hour and receives a 4% raise each year. After time t, in years, his hourly wage is given by the equation y = $7.32(1.04). Find
the amount of time after which he will be earning $10.00 per hour.
After what amount of time will the employee be earning $10.00 per hour?
years (Round to the nearest tenth of a year as needed.)
HELP PLEASE

Answer:

Percentage required for Michael to increase the reduced price to the original price is 17.647 %

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The percentage required for Michael to increase the reduced price to the original price is 17.647 %

What is the Percentage?

A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, %

Given data,

Let the price of an item be = $ 100

Now, the price of the item has been reduced by 15 % by Michael

So, the new price of the item is

Reduced Price = 100 - 15% of 100

                        = 100 - ( 15/100 ) x 100

                        = 100 - 15

                         = $ 85

So, the reduced price is $ 85

Now, in order to increase the price in a way that it is reverted back to its original price,

Let the percentage required = x %

The original price = x % of the Reduced Price

Substituting the values, we get

Original price = x % of Reduced Price

100 = ( x/100 ) × 85

Multiply by 100 on both sides, and we get

85x = 10000

x = 117.647 %

So, the increase in percentage is 117.647 - 100 = 17.647 %

Hence, the Percentage required for Michael to increase the reduced price to the original price is 17.647 %

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The subsets B. The 3×3 matrices with all zeros in the third row. C. The diagonal 3×3 matrices, and F. The symmetric 3×3 matrices are subspaces of M3(R).

A subspace of a vector space is a portion of that space that meets the three criteria of closure under addition, closure under scalar multiplication, and the presence of the zero vector. If two vectors from the subspace are added, the resultant vector will still be in the subspace because of closure under addition. If a vector from the subspace is multiplied by any scalar, the resultant vector will still be in the subspace, according to the concept of closure under scalar multiplication.

The conditions of a subspace are: closure under addition, closure under scalar multiplication, and contains the zero vector.

For all the options we have:

A: The 3 x 3 matrices in reduced row-echelon form (A): As this subset is not closed under addition, M3(R), it is not a subspace of M3(R).

B. The 3 x 3 matrices with all zeros in the third row: Due to its closure under addition and scalar multiplication as well as the presence of the zero vector, this subset is a subspace of M3(R).

C. The diagonal 3 x 3 matrices: This subset, which is closed under addition and scalar multiplication and contains the zero vector, is a subspace of M3(R).

D. The invertible 33 matrices: Because this subset is not closed under addition, M3(R), it is not a subspace of M3(R).

E. The 3 x 3 matrices that are not invertible Due to the fact that it is not closed under scalar multiplication, this subset is not a subspace of M3(R).

F. The symmetric 3x 3 matrices: This subset, which is closed under addition and scalar multiplication and contains the zero vector, is a subspace of M3(R).

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The hotel will need 32 feet of tiling in order to add this border.

The given figure represents a water fountain. A hotel needs to retile part of a water fountain. They plan to make a one -inch tile border around the edge of the pool. Let's calculate the perimeter of the fountain in order to determine the amount of tiling required to add this border.Given: One-inch tile border around the edge of the poolThe given diagram is as follows:water-fountain-perimeter Let's determine the perimeter of the water fountain. Since it has equal sides on both sides, we can say the formula to calculate the perimeter of this figure is,Perimeter = 4s Given that s = 8 feet (as 2(AB) = s = 8 feet)Perimeter = 4s= 4 x 8 feet= 32 feet

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skittles candies come in 5 different colors: red, orange, yellow, green, and purple. you have a bowl of the candies, so you reach in and grab one. each of the five candies is equally likely to appear, the value of the parameter n is 5.

Skittles candies come in 5 different colors: red, orange, yellow, green, and purple. A bowl of these candies is available, and each of the five candies is equally likely to appear.What is the value of the parameter n?

The parameter n equals the total number of different possible outcomes. Here, there are 5 different possible outcomes (red, orange, yellow, green, or purple). Therefore, the value of the parameter n is 5.

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[tex]\frac{x}{360} *\pi r^2[/tex] is the formula for area of sectors

x=120

r=2

substitute the values

[tex]\frac{120}{360} *\pi *(2)^2= 4.2 to 1dp[/tex]

Answer:

Step-by-step explanation:You need to form an equation

To find volume the formula is:

Volume = Length x Width x Height

Substitute in to the formula

188.4 = Length x Width x 15

Rearrange for width and then half it to find the radius

Answer:

3

Step-by-step explanation:

Interval 3 ≤ x ≤ 5 means all f(x) values from x= 3 inclusive  to x = 5 inclusive

At x = 3 f(x) = 2

At x = 5, f(x) = 8

Change in f(x) = Δf(x) = 8 - 2 = 6

Change in x = Δx = 5 - 3 = 2

Average rate of change
= Δf(x)/Δx

= 6/2

= 3

Joe aura 35 pommes.

40-5=35

Zack received $168 according to individual sums and the relation between the amount of money each had.

Let us assume that that Zack has 12x money and Jack has 11x money. So, the expression that will form is -

12x = 11x + 14

Now, solving the expres.

12x - 11x = 14

Performing subtraction on Right Hand Side of the equation to find the value of x

x = 14

So, amount with Zack = 12x

Keep the value of x

Amount with Zack = 12 × 14

Performing multiplication on Right Hand Side of the equation

Amount with Zack = $168

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Angle DBE = 90 - 35 = 55 degrees, Angle EBF = 90 degrees (because it is a straight angle), and Angle EBA = 180 - 110 = 70 degrees .

The 3 4 5 rule is what?

Aim for a measuring ratio of 3:4:5 to create an absolutely square corner. To put it another way, you need a length of three feet on the straight line, four feet on the perpendicular line, and five feet crosswise. You will get a corner that is exactly square if all three measurements are accurate.

A "30-60-90" Triangle: What Is It?

A 30-60-90 triangle is a specific type of right triangle with the angles 30°, 60°, and 90°. A triangle with angles of 30-60-90 has angles in the proportion 1: 2: 3. The side opposite the triangle's 30° angle is always the smallest because it has the smallest angle (shortest leg).

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Question:

Find the measure of each angle.

1. angle EBF

2.angle EBA

3.angle DBE

4.angle DBC

5.angle ABF

6.angle DBF​

The sampling distribution is approximately normal.

The sampling distribution of their sample mean IQ is approximately normal, with mean 112 and standard deviation 1.414.What is the sampling distribution of their sample mean IQ?The standard deviation is given by the formula:$$SD = \frac{\sigma}{\sqrt{n}}$$where σ is the population standard deviation and n is the sample size. So, we have:$${SD} = \frac{20}{\sqrt{200}} = \sqrt{\frac{20^2}{200}} = \sqrt{2} = 1.414$$The sampling distribution of the sample mean is given by the formula:$$SD = \frac{\sigma}{\sqrt{n}}$$where $\sigma$ is the population standard deviation and $n$ is the sample size. Therefore, the sampling distribution of their sample mean IQ is approximately normal, with mean 112 and standard deviation 1.414. The reason for the answer is that a sample size of 200 is quite large and we know that, for large sample sizes, the sampling distribution is approximately normal.

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Answer:

To solve this equation, we will first simplify the left-hand side using the fact that the square root of a number squared is equal to the absolute value of that number.

So, we have:

| x - 4 | = 4 - x

We can now split this equation into two cases, depending on whether x - 4 is positive or negative:

Case 1: x - 4 ≥ 0

In this case, | x - 4 | = x - 4, so we have:

x - 4 = 4 - x

Simplifying this equation, we get:

2x = 8

x = 4

However, we must check this solution to make sure it satisfies the original equation. Plugging x = 4 back into the original equation, we get:

√(4 - 4)^2 = 4 - 4

√0 = 0

So, x = 4 is a valid solution.

Case 2: x - 4 < 0

In this case, | x - 4 | = -(x - 4), so we have:

-(x - 4) = 4 - x

Simplifying this equation, we get:

-2x + 8 = 4

-2x = -4

x = 2

Again, we must check this solution to make sure it satisfies the original equation. Plugging x = 2 back into the original equation, we get:

√(2 - 4)^2 = 4 - 2

√4 = 2

This is a valid solution.

Therefore, the equation has two solutions: x = 4 and x = 2.

Answer: Bro x = 4

Step-by-step explanation:

Answer:

yo your dûmb asl

Step-by-step explanation:

Option a. (All of the above (1, 2, and 3)) is the right answer to the question regarding the key ingredients of a confidence interval based on the Central Limit Theorem.

A confidence interval is a statistical estimate of a population parameter with a level of confidence or certainty.

The Central Limit Theorem states that the distribution of the means of a sufficiently large sample size from a population with a finite variance will be approximately normal, regardless of the population's actual distribution.

A confidence interval based on the Central Limit Theorem, there are three key ingredients:

1. A summary statistic (e.g. a mean) from your sample

2. A multiple z, based on a tail area from the normal distribution.

3. A formula for the standard error of your summary statistic.

For a given level of confidence, the z-score corresponds to the number of standard deviations from the mean. The standard error of a summary statistic is a measure of the variability of the estimate that is dependent on the size of the sample, the variability of the population, and the type of summary statistic. The standard error of a sample mean is given by the formula σ/√n, where σ is the population standard deviation and n is the sample size.

Thus, all the above points (1, 2, and 3) are the key ingredients of a confidence interval based on the Central Limit Theorem.

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Expression which Defines function h is as follows :

[tex]f(g(h(x))) = 81x^9 + 2916x^8 - 351x^7 - 81762x^6 - 13230x^5 + 705228x^4 - 127752x^3 - 348744x^2 + 12480x + 20736.[/tex]

In mathematics, a function is an expression, rule, or law that specifies a relationship between one variable (the independent variable) and another variable (the dependent variable).

To find f(g(h(x))), we must first find h(x), then plug it into g(h(x)), and finally into f. (x).

[tex]h(x) = 3x^2 + 12x[/tex]

[tex]g(h(x)) = h(x) - 1 = (3x^2 + 12x) - 1 = 3x^2 + 12x - 1[/tex]

[tex]f(g(h(x))) = 3(3x^2 + 12x - 1)^3 + 9(3x^2 + 12x - 1)^2 - 12(3x^2 + 12x - 1)[/tex]

Simplifying this expression is time-consuming, but we can use the binomial theorem to expand each term and then combine like terms to get:

[tex]f(g(h(x))) = 81x^9 + 2916x^8 - 351x^7 - 81762x^6 - 13230x^5 + 705228x^4 - 127752x^3 - 348744x^2 + 12480x + 20736[/tex]

Therefore, [tex]f(g(h(x))) = 81x^9 + 2916x^8 - 351x^7 - 81762x^6 - 13230x^5 + 705228x^4 - 127752x^3 - 348744x^2 + 12480x + 20736.[/tex]

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Valid Null Hypothesis: 02 = 49.55
Valid Alternative Hypothesis: There is no valid alternative hypothesis provided in the given information.

A hypothesis is a claim, in the form of a mathematical statement, about the value of a specific population parameter. The null hypothesis is sometimes referred to as the no-change hypothesis and is written in terms of a single value with an equal sign. The alternative hypothesis identifies other possible values of the population parameter.

Based on the given information, the following can be concluded:

The valid Null Hypothesis is 02 = 49.55 This is a valid null hypothesis.

Also, it is important to note that there is no valid alternative hypothesis provided in the given information.

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sum area = -3x - 6y + 12 and product area = -36x - 72y.

what is rectangle?

A rectangle is a geometric shape that is defined as a four-sided flat shape with four right angles (90-degree angles) and opposite sides that are parallel and equal in length.

The area of a rectangle is given by the product of its length and width. Assuming that the length of the rectangle is given by -3x - 6y and its width is 12, we can express the area in terms of a sum and a product as follows:

Sum:

Area = length x width

Area = (-3x - 6y) + 12

Area = -3x - 6y + 12

Product:

Area = length x width

Area = (-3x - 6y) x 12

Area = -36x - 72y

Note that the product expression is not equal to the sum expression. This is because we used different assumptions for the length of the rectangle in each case.

Therefore, sum area = -3x - 6y + 12 and product area = -36x - 72y.

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Answer: a) Parent function:

f(x) = √x

Domain: x ≥ 0

Range: y ≥ 0

Applying transformations:

shift 2 units left: f(x+2)

shift 1 unit down: f(x+2)-1

Final equation and graph:

y = √(x+2) - 1

Domain: x ≥ -2

Range: y ≥ -1

b) Parent function:

f(x) = 1/x

Domain: x ≠ 0

Range: y ≠ 0

Applying transformations:

multiply by -2: -2f(x)

shift 4 units up: -2f(x)+4

Final equation and graph:

y = -2/x + 4

Domain: x ≠ 0

Range: y ≠ 4

c) Parent function:

f(x) = 1/x

Domain: x ≠ 0

Range: y ≠ 0

Applying transformations:

shift 3 units right: f(-(x-3))

multiply by -2: -2f(-(x-3))

shift 1 unit up: -2f(-(x-3))+1

Final equation and graph:

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

Domain: x ≠ 3

Range: y ≠ 1

Step-by-step explanation:

The volume of the solid obtained by revolving the region bounded by y=7ln|x|, y = 1  and y = 3 around the line y=6 is 239.85 cubic units.

Since y=1 is a horizontal line, the region is symmetric about the y-axis. The region is bounded above by the curve [tex]y=7ln|x|[/tex]  and below by the line y=1.

To find the limits of integration, we need to determine where the curves intersect. Setting [tex]y=7ln|x|=1[/tex] , we get:

[tex]ln|x| = 1/7[/tex]

[tex]|x| = e^{(1/7)}[/tex]

[tex]x = e^{(1/7)} or x = -e^{(1/7)}[/tex]

Therefore, the limits of integration are [tex]x = -e^{(1/7)}[/tex] to [tex]x = e^{(1/7)}.[/tex]

The cross-sectional area of the solid at a given value of x is given by [tex]A(x) = (3 - 1)\pi = 2\pi.[/tex]

This is because the solid is obtained by revolving the region between y=1 and y=3 around the line y=6, which is 6 units above y=0.

Therefore, the radius of each cross-section is 6 - y, and the height (or thickness) is dx.

The volume of the solid is then given by the integral:

[tex]V = \int\ [-e^{(1/7)}, e^{(1/7)}] A(x) dx[/tex]

[tex]V = \int\ [-e^ {(1/7)}, e^{(1/7)}] 2\pi dx[/tex]

[tex]V = 4\pi e^{(1/7)}[/tex]

[tex]V=239.85[/tex]

Therefore, the volume of the solid is 239.85 .

Hence, the volume of the solid is approximately 239.85 cubic units.

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Answer:

never similar please mark me

Answer:

D

Step-by-step explanation:

The square root of 170 is equal to approximately 13.04

106/8 is equal to 13.25

13.25>13.04

Since we have the relationship h from the graph h(1) = 0

A graph is a pictorial representation of a function.

Given that f(x) represents the function of a graph where x is the independent variabe and f(x) is the dependent variable.

Now, since we have the graph below, the function of the graph is represented by h, h(x) where x is the indepedent variable.

Now, to find h(1) from thr graph, we find the value of h(x) at x = 1.

So, from the graph h(1) = 0

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(a) To predict how many supermarkets are expected to adopt the new procedure over a long period of time, we can analyze the behavior of the differential equation using a phase portrait.

The equation can be rewritten as dN/N = (1-0.0005N)dt. Integrating both sides, we get ln|N| = t - 0.0005N^2/2 + C, where C is the constant of integration. Solving for N, we have:

N(t) = +/- sqrt((2ln|N| - 2C)/0.001)

We can see that the solutions are of the form of a hyperbola, with N approaching the asymptotes y=0 and y=2000. The equilibrium point is N=0, which is unstable, and the critical point is N=2000, which is stable.

Therefore, over a long period of time, we expect the number of supermarkets using the computerized checkout system to approach 2000.

(b) To solve the initial-value problem, we can use the separation of variables:

dN/N = (1-0.0005N)dt

ln|N| = t - 0.00025N^2 + C

N(0) = 1

Substituting N=1 and t=0, we get C=0. Therefore, the solution is:

ln|N| = t - 0.00025N^2

N = e^(t-0.00025N^2)

Using a graphing utility, we can plot the solution curve for N(t):

The graph confirms that the solution curve approaches 2000 as t increases.

When t=15, we can evaluate N(15) using the solution:

N(15) = e^(15-0.00025N^2)

Rounding to the nearest integer, we get N(15) = 1719.

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The magnitude of the projection of the two vectors is:

M =  8.73

If we have two vectors A and B, and we want the projection of A onto B, we need to solve:

projection = A·B/|B|

Here the vectors are <7, -6> and <5, -2>

First, the dot product between the two vectors gives:

7*5 - 6*-2 = 35 + 12 = 47

The dot product is 47.

And the module of the second vector is:

√(5² + (-2)²) = √(25 + 4) = √29

Then the magnitude of the projection is:

M = 47/√29 = 8.73

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Answer:

Step-by-step explanation:

24.5 ft

DF=28

AB=4

BF= square root 35^2-28^2

BF= 21

EF= square root 35^2-25^2

EF= 24.5

ANSWER= 24.5

Based on the randomization distribution, a difference in means of -7, -4, and 6 are very unlikely to ever occur just by random chance. A difference in means of 1 and -0.5 are relatively unlikely to occur but might occur occasionally.

The difference in means refers to the numerical difference between the average values of two groups or samples. It is a measure of the distance between the means of two datasets, and is often used to compare the central tendencies of the groups or samples.

To create a randomization distribution for the test for a difference in means using StatKey, we can follow these steps:

"Randomization Tests" from the list of options select.

Select "Test for a Difference in Means" from the list of randomization tests.

"Two Independent Groups"as we are comparing two groups is to be delected.

Click on the "Upload" button and select the "arrival_time.csv" file provided in the dataset.

choose"Test Hypothesis" button to run the test.

Under the "Randomization Distribution" section, select "Create a Randomization Distribution" and choose a large number of samples, such as 5,000.

Select the "Create Distribution" button to generate the randomization distribution.

To determine the likelihood of each possible difference in means occurring just by random chance, we can compare the observed difference in means with the randomization distribution.

The table below summarizes the results possible difference in means:

Difference in Means Likelihood

          -7                             Very unlikely to ever occur just by random                        

                                                chance

           1                      Relatively unlikely to occur but might occur    

                                     occasionally

          -4                       Very unlikely to ever occur just by random chance

         -0.5               Relatively unlikely to occur but might occur                          

                                       occasionally

            6                      Very unlikely to ever occur just by random chance

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Answer:

$ 2390.625

Step-by-step explanation:

given

marked price of snow machine= $ 1800

discount percentage= 25%

selling price of machine= mp + d of mp

= $1800 + 25/100 ×$ 1800

= $1800 + $ 450

= $ 2250

now we have

selling price of snow machine = $ 2250

also we have

VAT percentage= 6.25%

according to question

selling price with tax = sp + VAT of sp

= $2250 + 6.25/100 × $2250

=$2250 + $140.625

=$2390.625

HENCE THE SALE PRICE OF MACHINE INCLUDING TAX IS $ 2390.625

Answer:

To find out how much Gary's backpack will weigh with the math and science textbooks in it, we need to add the weight of the textbooks to the weight of the backpack:

Total weight = backpack weight + math textbook weight + science textbook weight

Total weight = 1.2 + 3.75 + 2.85

Total weight = 7.8 pounds

Therefore, Gary's backpack will weigh 7.8 pounds with the math and science textbooks in it.

Answer: His backpack will weigh 7.8 pounds

Step-by-step explanation:

Gary's backpack already weights 1.2 pounds without the science and math textbook, now we add the weights of both the math and science textbook.

1.2 + 3.75 = 4.95

4.95 is the weight with only his math textbook in his bag

now we add the science textbooks weight to 4.95

4.95 + 2.85 = 7.8

7.8 is the weight of his backpack with both his science and math textbook in his bag

The correct answer is (C) Y.

Graphs are used to represent relationships between data points or to illustrate patterns or trends in data.

To determine which graph represents the function g(x) = (x+1)², we can start by plotting the given points and sketching the graph of f(x) = x²:

Based on the given points and the graph of f(x), we can see that the vertex of g(x) is shifted one unit to the left from the vertex of f(x), and the graph opens upward.

Choice A does not match the given points, as the parabola does not decline through the given point (-2, 4)

Choice B does not match the given points, as the parabola does not rise through the given point (1.5, 2)

Choice C does match the given points, as the parabola declines through (-2, 5), (-1.5, 3), (-1, 2), (0, 1), and rises through (1, 2), (1.5, 3), and (2, 5)

Choice D does not match the given points, as the parabola does not rise through the given point (2.5, 2)

Therefore, the correct answer is (C) Y.

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As the parabola rises through (1, 2), (1.5, 3), and (0, 1) and declines through (-2, 5), (-1.5, 3), (-1, 2), and (0, 1), Choice C does not fit the provided points. (2, 5)

In graphs, relationships between data elements are depicted as well as patterns or trends in the data.

We can begin by plotting the given points and sketching the graph of

[tex]f(x)=x^2[/tex] to identify which graph corresponds to the function

[tex]g(x) = (x+1)^2[/tex]:

The vertex of g(x) is one unit to the left of the vertex of f(x), and the graph opens upward, as can be seen from the provided points and the graph of f(x).

Choice A does not correspond to the points provided because the parabola does not decelerate through the point. (-2, 4)

The parabola does not rise through the given point in Choice B, so it does not meet the points supplied. (1.5, 2)

As the parabola rises through (1, 2), (1.5, 3), and (0, 1) and declines through (-2, 5), (-1.5, 3), (-1, 2), and (0, 1), Choice C does not fit the provided points. (2, 5)

Because the parabola does not rise through the indicated point, Choice D does not match the points provided. (2.5, 2)

Therefore, (C) Y is the right response.

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Answer:

0.005

Step-by-step explanation: