Erin is planning on putting tile down in her
kitchen around the island. How many square feet
of tile will she need to purchase?
16 ft
16 ft
3 ft
Island
7 ft
12 ft
2 ft
4ft
10ft

Answer:

Step-by-step explanation:

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The height of the parallelogram is the same as the height of the trapezoid

Why?

Doubling the trapezoid and then halving the resulting area

As was true with the triangle,  but its base is the sum of the two bases of the trapezoid.

The characteristic of an experiment where the binomial probability distribution is applicable is that exactly two outcomes are possible on each trial.

What is the binomial probability distribution?

The binomial probability distribution is a probability model that is used to evaluate the probability of having an exact number of successes in a particular number of independent trials that have two possible outcomes (success and failure).

The characteristics of an experiment where the binomial probability distribution is applicable are as follows: It is an experiment that comprises a set of trials with a fixed number of independent trials.

It has only two outcomes, namely success and failure. The trials are independent of each other.

The probability of success is constant for each trial of the experiment.

The binomial distribution has a discrete set of outcomes. Each of these outcomes is measured by a single random variable that takes on only one of two possible values. Exactly two outcomes are possible on each trial. The experiment is a random variable that can be counted by counting the number of successes (X) in n trials.

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Answer: a) 19 degree

b) 71degree

Step-by-step explanation:

The mathematician should expect to see the letter e appear 143 times in the 1,100 character email message.

It is a ratio of the count of the specific outcome or event to the total number of observations in the sample or population. Proportion is often expressed as a percentage or fraction and can be used to make inferences about the population based on the sample.

If the letter e appears 13 times out of the first 100 characters, we can assume that the proportion of e's to the total characters is constant throughout the entire message.

Let x be the number of times the letter e appears in the 1,100 character message. Then, we can set up a proportion:

13/100 = x/1100

Solving for x, we get:

x = (13/100) * 1100 = 143

Therefore, the mathematician should expect to see the letter e appear 143 times in the 1,100 character email message.

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Answer: False= Your speed is 135 mph

Step-by-step explanation:

The graph shows you have traveled 90 miles in 1.5 hours.

90miles * 2/3 = 60miles

1.5hours * 2/3 = 1 hour

1 hour : 60 miles = 60mph NOT 135mph

Therefore , the solution of the given problem of circle comes out to be   option D 34 = 5.83.

A circle is formed by every region of a plane that is a certain distance from this extra spot (center). Thus, it is made up of curved areas that are spaced apart and divided by a surface. It also revolves equally it around centre from all directions. In a circular, limited double sphere, every pair of endpoints is uniformly separated from the "centre." By weaving a thread through a circle, one can create a line that leads to circular symmetry.

Here,

The following algorithm can be used to calculate the separation between two points:

=> d = √(x2 − x₁)² + (y2 − y₁)²

Here, a circle's centre is at (-2, 4), and a spot on the circle is at (3, 1). We thus have:

=> d = √(3 − (-2))² + (1 − 4)²

=> √(5)² + (-3)²

=> √25 + 9

=> √34 ≈ 5.83

As a result, 5.83 metres (or yards) is roughly how far the circular's centre is from the point on the circle. Therefore, the response is (D) 34 5.83.

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From the equation 2tanx - 1 = 0, we can find the value of tangent of x as follows:

2tanx - 1 = 0

2tanx = 1

tanx = 1/2

x = arctan(1/2) + nπ, where n is an integer

Now we need to solve √5cosx+4/sin2x, given that cos(x) < 0.

Since cos(x) < 0 and tan(x) = sin(x)/cos(x) = 1/2, we can use the Pythagorean identity to find sin(x):

sin^2(x) + cos^2(x) = 1

sin^2(x) + (-cos(x))^2 = 1

sin^2(x) = 1 - cos^2(x)

sin(x) = -√(1 - cos^2(x))

Substituting this into the expression we want to evaluate:

√5cos(x) + 4/sin^2(x) = √5cos(x) + 4/(-√(1 - cos^2(x)))^2

= √5cos(x) + 4/(1 - cos^2(x))

To simplify this expression further, we can use the identity sec^2(x) = 1 + tan^2(x) to find cos^2(x):

sec^2(x) = 1 + tan^2(x)

1/cos^2(x) = 1 + (1/2)^2

1/cos^2(x) = 5/4

cos^2(x) = 4/5

cos(x) = ±2/√5

Since cos(x) is negative, we have cos(x) = -2/√5.

Substituting this value into the expression we want to evaluate:

√5cos(x) + 4/(1 - cos^2(x)) = √5(-2/√5) + 4/(1 - (-2/√5)^2)

= -2 + 4/(1 - 4/5)

= -2 + 20

= 18

Therefore, the solution to √5cos(x) + 4/sin^2(x) given 2tan(x) - 1 = 0 and cos(x) < 0 is 18.

Parker is wrong, as the volume of the cube container is obtained as [tex]\frac{1}{512} t^9u^{12}[/tex].

What is volume?

Each thing in three dimensions takes up some space. The volume of this area is what is being measured. The space occupied within an object's borders in three dimensions is referred to as its volume. It is sometimes referred to as the object's capacity.

The volume of a cube is given by the formula V = s³, where s is the length of one side of the cube.

In this case, the length of the container is given as [tex]\frac{1}{8} t^3u^4[/tex].

To find the volume of the cube, we need to cube this length -

[tex]V=\big(\frac{1}{8} t^3u^4\big)^3[/tex]

Simplifying this expression using the rules of exponents, we get -

[tex]V=\big(\frac{1}{8}\big)^3 \times (t^3)^3 \times (u^4)^3[/tex]

[tex]V =\frac{1}{512} t^9u^{12}[/tex]

So, the actual volume of the container is [tex]\frac{1}{512} t^9u^{12}[/tex], not [tex]\frac{1}{12} t^9u^{12}[/tex] as Parker said.

Therefore, Parker is incorrect.

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Given:-

[tex] \: [/tex]

[tex] \: [/tex]

Solution:-

[tex] \underline{ \: \sf{[a = 3.8] \: }}[/tex]

[tex] \: [/tex]

[tex] \: [/tex]

[tex] \textsf{put the value of a = 3.8}[/tex]

[tex] \: [/tex]

[tex] \: [/tex]

[tex] \: [/tex]

━━━━━━━━━━━━━━━━━━━━━━━

[tex] \underline{ \sf \: [a = 7]\: }[/tex]

[tex] \: [/tex]

[tex] \: [/tex]

[tex] \textsf{ \: put the value of a = 7 \: }[/tex]

[tex] \: [/tex]

[tex] \: [/tex]

[tex] \: [/tex]

━━━━━━━━━━━━━━━━━━━━━━━

[tex] \underline{ \sf{[a = -7.2]}}[/tex]

[tex] \: [/tex]

[tex] \: [/tex]

[tex] \textsf{ \: put the value of a = -7.2 \: }[/tex]

[tex] \: [/tex]

[tex] \: [/tex]

[tex] \: [/tex]

━━━━━━━━━━━━━━━━━━━━━━━

hope it helps! :)

Answer: x=120

Step-by-step explanation:

If it is a regular polygon then the sum of internal angles is 180 degrees. Each angle should be 60. Since a straight line is 180, 180 - 60 would equal x!

Answer: 120

Step-by-step explanation: A triangle has a sum of 180°. A regular polygon has equal angles, so you divide 180 by 3, getting 60. Next x is supplementary to the adjacent angle, so you must do 180-60, yielding 120° as x.

Answer:

The equation in slope-intercept form of the line perpendicular to y = -3x + 1 and passing through (2, 2) is y = (1/3)x + 4/3.

Step-by-step explanation:

To find the equation of the line perpendicular to y = -3x + 1 and passing through the point (2, 2), we first need to determine the slope of the line we are looking for.

The slope of any line perpendicular to y = -3x + 1 will be the negative reciprocal of the slope of y = -3x + 1. The slope of y = -3x + 1 is -3, so the slope of the line we want is the negative reciprocal of -3, which is 1/3.

So the slope of the line we want is 1/3. We also know that the line passes through the point (2, 2). We can now use the point-slope form of the equation of a line to find the equation of the line we want:

y - y1 = m(x - x1)

where m is the slope of the line, and (x1, y1) is the point the line passes through.

Substituting m = 1/3, x1 = 2, and y1 = 2, we get:

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

Multiplying both sides by 3, we get:

3y - 6 = x - 2

Subtracting x from both sides, we get:

-x + 3y = 4

So the equation of the line perpendicular to y = -3x + 1 and passing through the point (2, 2) is -x + 3y = 4, which is in standard form. We can also write it in slope-intercept form:

3y = x + 4

y = (1/3)x + 4/3

So the equation of the line we want in slope-intercept form is y = (1/3)x + 4/3.

Hope this helps you! Sorry if it doesn't. If you need more help, ask me! :]

To complete the table of values that satisfy the equation 2d + 4t = 24, we can choose different values of d and then solve for t.

Alternatively, we can choose different values of t and then solve for d. Here is one possible table of values that satisfy the equation:

d t

0 6

2 4

4 3

6 0

To obtain these values, we can substitute each value of d into the equation and solve for t. For example, when d = 0, we have:

2d + 4t = 24

2(0) + 4t = 24

4t = 24

t = 6

Thus, when d = 0, t = 6 satisfies the equation. Similarly, we can obtain the other values in the table by choosing different values of d and solving for t.

Therefore, the table of values that satisfy the equation 2d + 4t = 24 is:

d t

0 6

2 4

4 3

6 0

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yοur investment in Cοrpοratiοn A will be wοrth $4000 after 5 years if it appreciates by $200 per year.

The functiοn A(t) that represents the amοunt that yοur investment in Cοrpοratiοn A will be wοrth after t years can be calculated using the fοllοwing fοrmula:

A(t) = 3000 + 200t

where 3000 is the initial investment and 200t represents the appreciatiοn οf the investment after t years.

Fοr example, if yοu want tο knοw hοw much yοur investment in Cοrpοratiοn A will be wοrth after 5 years, yοu can plug in t=5 intο the fοrmula:

A(5) = 3000 + 200(5) = 4000

Sο, yοur investment in Cοrpοratiοn A will be wοrth $4000 after 5 years if it appreciates by $200 per year.

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The first quartile is 6, the median is 7.5 and the third quartile is 8.5. The box plot has been attached below.

What is a median?

A data set can be described more accurately than its average by using the median, which is the midpoint of an ordered, ascending or descending list of integers.

The data is given as 5.5, 6, 6, 6.5, 7, 7.5, 8, 8, 8.5, 9, 9.

From this, we get the first quartile to be 6.

The median is 7.5 and the third quartile is 8.5.

The box plot of the data has been plotted and attached below.

Hence, the required solution has been obtained.

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Question: There are 11 dancers in a performance. Their ages (in years) are: 5.5, 6, 6, 6.5, 7, 7.5, 8, 8, 8.5, 9, 9.

1. Determine the first quartile, median, and third quartile of the dancers' ages.

2. Drag the movable points to label them on the box plot.

The value of angle E and angle F are both 22.8°

Circle theorem includes the concept of tangents, sectors, angles, the chord of a circle and proofs. A circle is the locus of all points in a plane which are equidistant from a fixed point.

The theorem that states that the angle at the center is twice the angle at the circumference is applied in this scenario.

angle P = angle of arc DG = 45.6°

therefore angle E = 1/2 angle of arc DG

= 1/2 × 45.6

= 22.8°

angle E = angle F = 22.8° . This because angle in the same segment are equal.

therefore angle E = angle F = 22.8°

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It is likely that it will take Jacob more time to plant the perennials than the annuals.

Time is an abstract concept that is not tangible and cannot be seen, touched, or heard. It is a measure of the passage of events and is used to set and track schedules, create goals, and even measure the lifespan of an individual. Time is a precious commodity that cannot be replaced or taken back. Once it has passed, it is gone forever. Time is also a powerful force that can bring us joy and sorrow, success and failure. It is a constant reminder of how quickly our lives can change and how important it is to make the most of every moment.

Perennials require more attention when planting because they have a longer lifespan and are meant to come back year after year. Annuals, on the other hand, only last for one season. Therefore, they require less attention when planting. Jacob will need to make sure that he carefully places the perennials in the soil, as well as taking care to not damage the roots. He may also need to take extra time to trim any overgrowth from the plants. This extra care and attention will likely take more time than it would to plant the annuals.

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Answer:

3 students will retake the test

Step-by-step explanation:

20% of 150 students is 30

(20÷100)×150=30 students

Now we need to find the 10% of the 30 students who failed.

(10÷100)×30=3 students

we can check this by Subtracting that 20% who failed from 100%(the total in class). So that will be 80%. Now that 80% is the number of students who passed.

And in order to find the number of students who passed we say:

(80÷100)×150= 120

all you need to do now is, subtract that 120 from 150, then find the 10% of the answer.

It will take approximately 2.5 years  for the investment to be worth £2000.

To solve this problem, we can use the formula for compound interest:

[tex]$A = P(1 + r/n)^{nt}$[/tex]

where:

A is the amount of money after t years

P is the principal amount (the initial investment)

r is the annual interest rate (as a decimal)

n is the number of times the interest is compounded per year

t is the number of years

We can rearrange this formula to solve for t;

[tex]$t = \frac{\log(A/P)}{\log(1 + r/n)}\div n$[/tex]

Substituting the given values, we get;

[tex]$t = \frac{\log(2000/1800)}{\log(1 + 0.04/1)}\div 1$[/tex]

Simplifying, we get:

[tex]$t = \frac{\log(1.11111)}{\log(1.04)}\approx 3.03[/tex][tex]$t = \frac{\log(1.11111)}{\log(1.04)}\approx 2.69[/tex] years

Therefore, it will take approximately 2.5 years  for the investment to be worth £2000.

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Complete question:

1800 is invested at 4% compound intreast per year

The statement that "when dealing with fixed effects, a de-meaned model approach is superior to the lsdv approach because the de-meaned model gives us more accurate coefficient estimates" is true.

Fixed effects are a type of regression technique used to understand the effect of a single variable across different groups (such as across countries, across states, across individuals, etc.) by comparing the variance of the variable within each group to the variance of the variable across all groups.

When conducting a fixed effects regression, researchers must choose between the least squares dummy variable (LSDV) and de-meaned model approaches.Both models produce unbiased estimates of the coefficients, but the LSDV model has an advantage in that it provides more flexibility when dealing with interactions between fixed effects and time-varying covariates. On the other hand, the de-meaned model is preferred for reasons of computational efficiency and it can handle certain types of data that the LSDV model cannot (such as panel data with a small number of time periods).

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1. Definition of Congruence:∠ RSU ≅ ∠ VST

2. Definition of Congruence: m∠ RSU = m∠ VST

3. Angle Addition Postulate: m∠ RSU + m∠ USV = m/RSV

4. Angle Addition Postulate: m∠ VST + m∠  USV = m∠ UST

5. Transitive Property: m∠ RSU + m∠ USV = m∠ UST

6. Substitution Property: m∠ RSV = m∠ UST

7. Definition of Congruence: ∠ RSV ≅ ∠ UST

In mathematics, a relation R on a set X is said to have a transitive property if, for all elements a, b, c in X, whenever R relates a to b and b to c, then R also relates a to c.

This is shown in the case of number 6 where :

m∠ RSU + m∠ USV = m∠ UST

The transitive property is also shown in  equality states where all values of a, b, and c, if a = b, and b = c, then a = c.

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The height of the rectangular prism of aquarium is 8 inches.

A right rectangular prism is a six-sided, three-dimensional geometric figure. The term "rectangular parallelepiped" is another name for it. Three pairs of congruent faces, each pair of which is parallel to the other, make up a right rectangular prism. In addition, it contains four vertices and three pairs of congruent edges. In a right rectangular prism, the opposing faces are parallel and congruent rectangles, and the angles separating the faces are all right angles. Multiplying the prism's length, width, and height yields the volume of a right rectangular prism.

Given that, the length is 19 in and width is 9 in and it can hold 1368 cubic inches of water.

The volume of a rectangle is given as:

V = lwh

Substitute the values:

1368 = 19(9)(h)

h = 1368/(19*9) ≈ 8 inches

Hence, the height of the rectangular prism of aquarium is 8 inches.

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Using the equation 0.1x = 44, the total number of cards sold for Mother's Day was 440.

What is an equation?

A mathematical definition of an equation is a claim that two expressions are equal when they are joined by the equals sign ("=").

Let's call the total number of cards sold for Mother's Day "x".

We know that one salesman sold 10% of these cards. or

Converting the percentage to decimal = 10 / 100 = 0.1

So, 0.1x, is equal to 44 cards.

We can set up an equation to solve for x -

0.1x = 44

To isolate x, we can divide both sides of the equation by 0.1 -

x = 440

Therefore, the total number of cards sold for Mother's Day was 440.

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Answer:

A. Sample space: 1, 2, 3, 4, 5, 6

D. P(6) = 1/6

Step-by-step explanation:

Option B and C are not possible because the probability of rolling any particular number on a fair six-sided cube is always 1/6. Option E describes the outcomes of 10 trials, which is not the probability model.

The zeros of the polynomial function f(x) are 3, -[(2 -i√2) / 3] and  -[(2 + i√2) / 3]

To find the zeros of the polynomial function f(x), we need to find the values of x for which f(x) = 0.

We can start by factoring out a common factor of 3x^2 from the polynomial:

f(x) = 3x^3 - 5x^2 - 10x - 6

f(x) = 3x^2(x - 5/3) - 2(5x + 3)

Now, we can set each factor equal to zero and solve for x:

3x^2(x - 5/3) - 2(5x + 3) = 0

3x^3 - 5x^2 - 10x - 6 = 0

x = 3, -[(2 -i√2) / 3],  -[(2 + i√2) / 3]

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The concepts of additive relationship and multiplicative relationship are given as follows:

An additive relationship exists when the change in one variable corresponds to a fixed change in another variable. For example, if the cost of buying a certain number of apples is $10, and the cost of buying twice as many apples is $20, then we have an additive relationship between the number of apples purchased and the cost.

On the other hand, a multiplicative relationship exists when the change in one variable corresponds to a fixed multiple of another variable. For example, if the interest earned on a bank account is proportional to the amount of money in the account, then we have a multiplicative relationship between the interest earned and the amount of money in the account.

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An expression for the difference between their earnings is 2G - G.

In order to write a linear equation to describe this situation, we would assign variables to John's earnings and Grace's earnings respectively, and then translate the word problem into a linear equation as follows:

Since John earns twice as much as his wife Grace, a linear equation that models the situation is given by:

J = 2G

100 = 50

For the difference between their earnings, we have the following:

Difference = J - G

Difference = 2G - G

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The graph's scales could be represented by the x-axis, which could be labelled from 0 to 12 with a scale of 1, and the y-axis, which could be labelled from 0 to 100 with a scale of 10.

The horizontal scale used in a graph is called the X axis. Measurements on the coordinate plane are made using it as a reference line. The position of an object on that plane is described by its distance from the x and y axes.

All potential data that can be graphed is represented by the numbers on the X and Y axes. Each number here is different by ten. Scale is the name for this. On a coordinate grid, scale is the distance between each square.

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to get the equation of any straight line, we simply need two points off of it, let's use those two in the picture below

[tex](\stackrel{x_1}{2}~,~\stackrel{y_1}{5})\qquad (\stackrel{x_2}{4}~,~\stackrel{y_2}{7}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{7}-\stackrel{y1}{5}}}{\underset{\textit{\large run}} {\underset{x_2}{4}-\underset{x_1}{2}}} \implies \cfrac{ 2 }{ 2 } \implies 1[/tex]

[tex]\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{5}=\stackrel{m}{ 1}(x-\stackrel{x_1}{2}) \\\\\\ y-5=x-2\implies {\Large \begin{array}{llll} y=x+3 \end{array}}[/tex]