Maisie has 40 m of railing.
How much more railing does Maisie need
so that she can put railing all the way
around the roof garden?
8 m
9 m
4m
10 m
20 m
8 m
Not drawn accurately
Look at imqhe

the 99% confidence interval estimate for the proportion of boys born to parents using the YSORT method is: (0.7584, 0.8820)

what is an algebraic expression?

An algebraic expression is a mathematical phrase consisting of numbers, variables, and mathematical operations such as addition, subtraction, multiplication, and division.

a. The point estimate of the population proportion of boys born to parents using the YSORT method can be calculated as the ratio of the number of boys to the total number of babies:

239/291 ≈ 0.8202

Therefore, the best point estimate of the population proportion of boys born to parents using the YSORT method is approximately 0.8202.

b. To construct a 99% confidence interval estimate of the proportion of boys born to parents using the YSORT method, we can use the following formula:

p ± z*sqrt(p(1-p)/n)

where p is the point estimate of the population proportion, z* is the critical value from the standard normal distribution for the desired confidence level (99% in this case), and n is the sample size.

Using the values from part (a), we have:

p = 0.8202

n = 291

z* = 2.576 (from the standard normal distribution table for a 99% confidence level)

Plugging in these values, we get:

0.8202 ± 2.576sqrt(0.8202(1-0.8202)/291)

Simplifying, we get:

0.8202 ± 0.0618

c. Based on the results, the YSORT method appears to be effective in increasing the probability of conceiving a boy. The point estimate of 0.8202 is significantly higher than the theoretical probability of 0.5 for a randomly selected baby to be a boy.

Therefore, the 99% confidence interval estimate for the proportion of boys born to parents using the YSORT method is: (0.7584, 0.8820)

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Therefore , the solution of the given problem of volume comes out to be  Lake B's volume is roughly as follows is 5.28760675 cubic metres.

The volume of a three-dimensional item, which is measured in cubic units, describes how much room it occupies. Cubic measurements are represented by the symbols litre and in3. However, you can calculate an object's measurements using its bulk. In most cases, the item's weight is transformed into mass units like kilogrammes and kilos.

Here,

=> Lake B's capacity is 2.5 times greater than Lake A's.

=>  Lake B's volume is 2.5 times that of Lake A.

=>  Lake B's volume is 2.5 x 21,150,427,000.

=> Lake B has a volume of 52,876,067,500.

By moving the decimal point until there is only one non-zero digit left of the decimal point, we can represent this number as the sum of a single integer and a power of 10. We need to multiply by 1010 to account for the fact that we shifted it 10 positions to the left.

Therefore, Lake B's volume is roughly as follows:

=> 5.28760675 cubic metres

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The solution to the system of equations is C = 3 and H = 9.

Let C = Cora's miles last week and H = Hana's miles last week

The equation for Cora's miles is C + 7x = 3, and the equation for Hana's miles is H + 4x = 9, where x is the number of weeks.

The solution to this system of equations is C = 3, and H = 9. This can be determined by solving each equation separately and then checking that the answers satisfy both equations.

For Cora's equation, subtract 7x from both sides to get C = 3 - 7x. Solving for x gives x = (3 - C) / 7. Plugging this into Hana's equation gives H + 4((3 - C) / 7) = 9. Simplifying this equation gives H = 9 - 12 + 4C.

Checking the answers, C = 3 - 7(0) = 3, and H = 9 - 12 + 4(3) = 9. Both equations are satisfied by C = 3 and H = 9, so this is the solution to the system of equations.

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The probability that a randomly selected adult from the state has high blood pressure but not high cholesterol is 0.40 or 40%.

To find the probability that a randomly selected adult from the state has high blood pressure but not high cholesterol, we need to subtract the probability of having both high blood pressure and high cholesterol from the probability of having high blood pressure.

Using set notation, let A be the event of having high blood pressure and B be the event of having high cholesterol. Then, the probability of having both high blood pressure and high cholesterol can be written as

P(A ∩ B)= 0.20

The probability of having high blood pressure can be written as

P(A) = 0.60

Therefore, the probability of having high blood pressure but not high cholesterol is:

P(A) - P(A ∩ B) = 0.60 - 0.20 = 0.40

Thus, the probability that a randomly selected adult from the state has high blood pressure but not high cholesterol is 0.40 or 40%.

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The figure similar to figure E after dilation is figure F.

The transformation, or f: X X, is the name given to a function, f, that maps to itself. After the transformation, the pre-image X becomes the picture X. Any operation, or a combination of operations, such as translation, rotation, reflection, and dilation, can be used in this transformation. A function can be moved in one way or another using translation, rotation, reflection, and dilation. A function can also be scaled using rotation around a point. Two-dimensional mathematical figures move about a coordinate plane according to transformations.

We know that when a figure is dilated the ratio of their sides are same, that is they are proportional.

From the graph we observe that the line passes through the point F and E. Thus, the sides of the figure are proportional or in linear relation with each other.

Hence, the figure similar to figure E after dilation is figure F.

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Matching each number with its name, 1,254 :: whοle number

Whοle numbers are a set οf numbers including all natural numbers and 0. They are a part οf real numbers that dο nοt include fractiοns, decimals, οr negative numbers. Cοunting numbers are alsο cοnsidered as whοle numbers.

Whοle numbers are pοsitive integers (including zerο) withοut any fractiοnal οr decimal parts. They are used tο cοunt whοle οbjects οr things, and cannοt represent a part οf a whοle. Examples are 0, 1, 2, 3, 4, 5, and sο οn.

0.143143143.... :: repeating decimal

0.123456789..... :: nοn-terminating/nοn-repeating

0.13 :: terminating

1,254 :: whοle number

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a. The first term of the sequence is 16.

b. the common difference is d = 32

c. the explicit formula is f(n) = 16 + (n - 1)32

d. the stone falls a distance of 144 feet during the 5th second.

a. The first term of the arithmetic sequence is given to be 16.

b. To find the common difference, we can subtract the second term from the first term, then the third term from the second term:

48 - 16 = 32

80 - 48 = 32

Therefore, the common difference is d = 32.

c. Using f(n) = f(1) + (n - 1)d,

where

f(1) = 16 and d = 32,

we can write the explicit formula for the distance traveled during the nth second as:

f(n) = 16 + (n - 1)32

d. To find the distance traveled during the 5th second, we plug in n = 5 into the explicit formula:

f(5) = 16 + (5 - 1)32

f(5) = 16 + 4*32

f(5) = 16 + 128

f(5) = 144

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Answer: 1, 3, 5 and 15

Step-by-step explanation:

trust me bro

From the given information provided, the probability of P(X ≤ 6), P(X˃ 4) and P(|X- 5| ˃ 1) is 0.6915, 0.6915 and 0.3829 respectively.

(i) To find P(X ≤ 6), we need to standardize the value of 6 using the formula:

Z = (X - μ) / σ

where μ = 5 and σ = 2 (since the standard deviation is the square root of the variance, which is 4).

So, we have:

Z = (6 - 5) / 2

Z = 0.5

We can then look up the probability of Z ≤ 0.5 in a standard normal distribution table, or use a calculator to find:

P(X ≤ 6) = P(Z ≤ 0.5) = 0.6915

(ii) To find P(X > 4), we again need to standardize the value of 4:

Z = (4 - 5) / 2

Z = -0.5

Then, we can use the fact that the total area under a normal distribution curve is 1 to find the probability of X being greater than 4:

P(X > 4) = 1 - P(X ≤ 4) = 1 - P(Z ≤ -0.5)

Using a standard normal distribution table:

P(X > 4) = 0.6915

(iii) To find P(|X - 5| > 1), we first need to transform this inequality into a standard normal distribution by standardizing both sides:

|X - 5| > 1

implies:

X - 5 > 1 or

X - 5 < -1

which gives:

X > 6 or X < 4

We can then standardize each inequality separately. For X > 6, we have:

Z = (6 - 5) / 2

Z = 0.5

and for X < 4, we have:

Z = (4 - 5) / 2 = -0.5

Then, using the fact that the total area under a normal distribution curve is 1, we can find the probability of both events occurring:

P(|X - 5| > 1) = P(X > 6 or X < 4) = P(Z > 0.5 or Z < -0.5)

Since the standard normal distribution is symmetric around 0:

P(Z > 0.5 or Z < -0.5) = 2 × P(Z < -0.5)

Using a standard normal distribution table:

P(|X - 5| > 1) = 0.3829

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When "down" is positive and air friction is disregarded, the time it takes for the rock to touch the ground may be calculated using the formula [tex]h(t)=16t2-100[/tex] to be roughly 6.25 seconds.

the formula[tex]h(t)=16t2 - 100[/tex]when a rock is dropped from a height of 100 feet, and assuming that "down" is positive and air friction is neglected, represents the height of the rock at time t in seconds.

As the rock will land at the value of t when h(t) = 0, we must determine that value in order to determine how long it takes for the rock to land.

When we set h(t) to 0 we obtain 0 = 16t2 - 100.

[tex]16t^2 = 100 \st^2 = 100/16 \st^2 = 6.25 \st = ±√6.25[/tex]

The only viable answer in this case is[tex]t = 6.25 = 2.5[/tex] seconds since time cannot be negative. As a result, there was a 2.5 second delay between when the rock was dropped and when it landed.

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Answer:check explanation

Step-by-step explanation:1. √25 is a rational number because it is equal to 5, which is a rational number.

2. 4.31 is a rational number because it can be expressed as the ratio of two integers (431/100).

3. -2/2 is a rational number because it can be simplified to -1, which is a rational number.

4. √18 is an irrational number because it cannot be expressed as the ratio of two integers. It is approximately equal to 4.242640687119285.

5. 7 is a rational number because it can be expressed as the ratio of two integers (7/1).

6. Pi is an irrational number because it cannot be expressed as the ratio of two integers or as a terminating or repeating decimal. It is approximately equal to 3.141592653589793.

7. √50 is an irrational number because it cannot be expressed as the ratio of two integers. It is equal to √(25*2) which simplifies to 5√2.

8. -5 is a rational number because it can be expressed as the ratio of two integers (-5/1).

9. 1/3 is a rational number because it can be expressed as the ratio of two integers (1/3 = 0.33333...).

10. 0 is a rational number because it can be expressed as the ratio of two integers (0/1).

On solving the question we have that As a result, the coordinates of coordinates  point S after dilation with the origin as the Centre and a scale factor of 12 are (24, 12). Option (D) (16,-8), however, is incorrect.

In geometry, a coordinate system is a method that uses one or more numbers or coordinates to determine the precise location of points or other physical objects on a basis, such as Reference frame. Pairs of figures called coordinates are employed in order to locate a point or item on a double plane. The x and y parameters of a location on a 2D plane are two integers that describe its position. a set of digits which represent precise positions. In most cases, the figure has two numbers. The first number represents the front-to-back distance, while the second column represents the top-to-bottom distance. As in (12.5), there are 12 divisions below and 5 units above.

To determine the image of point S after dilation with the origin as the centre and a scale factor of 12, multiply S's coordinates by the scale factor of 12.

As a result, the coordinates of point S after dilation are as follows:

S' = (12 × 2, 12 × −1)

S' = (24, −12)

As a result, the coordinates of point S after dilation with the origin as the centre and a scale factor of 12 are (24, 12).

Option (D) (16,-8), however, is incorrect.

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Answer:

Let L be the length of the rectangle.

According to the problem, the width of the rectangle is 4 units less than the length, so the width is L - 4.

The area of the rectangle is given as 32 square units, so we can set up the equation:

A = L(L - 4) = 32

Expanding the left side of the equation, we get:

L^2 - 4L = 32

Rearranging and factoring, we get:

L^2 - 4L - 32 = 0

We can solve for L by using the quadratic formula:

L = (-b ± sqrt(b^2 - 4ac)) / 2a

Where a = 1, b = -4, and c = -32.

L = (-(-4) ± sqrt((-4)^2 - 4(1)(-32))) / 2(1)

L = (4 ± sqrt(16 + 128)) / 2

L = (4 ± sqrt(144)) / 2

L = (4 ± 12) / 2

L = 8 or L = -4

Since the length must be a positive value, we take L = 8.

Therefore, the length of the rectangle is 8 units.

The width and length of the rectangle will be 4 units and 8 units, respectively.

Let W be the rectangle's width and L its length.

The area of the rectangle is the multiplication of the two different sides of the rectangle. Then the rectangle's area will be

Area of the rectangle = L × W square units

The width of a square shape is 4 units less than the length. The region of the square shape is 32 square units. Then the equations are given below.

[tex]W = L - 4[/tex]            ...1

[tex]L \times W = 32[/tex]           ...2

From equations 1 and 2, then we have

[tex]L \times (L - 4) = 32[/tex]

[tex]L^2 - 4L = 32[/tex]

[tex]L^2 - 4L - 32 = 0[/tex]

[tex]L^2 - 8L + 4L - 32 = 0[/tex]

[tex]L(L - 8) + 4(L - 8) = 0[/tex]

[tex](L - 8)(L + 4) = 0[/tex]

[tex]L = 8, -4[/tex]

Then the width of the rectangle is given as,

[tex]W = 8 - 4[/tex]

[tex]W = 4 \ units[/tex]

The width and length of the rectangular shape will be 4 units and 8 units, separately.

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The area of the triangle with sides 26 feet, 18 feet, and 9 feet is approximately 125.6 square feet.

To find the area of a triangle while given three aspects, we are able to use Heron's formula, which states that the region of a triangle with facets a, b, and c is given by means of:

area = √(s(s-a)(s-b)(s-c))

where s is the semiperimeter, calculated as:

s = (a + b + c) / 2

plugging inside the given values, we get:

s = (26 + 18 + 9) / 2 = 26.5

area = √26.5(26.5-26)(26.5-18)(26.5-9))

area = √(26.50.58.5×17.5)

area = √(15793.75)

area ≈ 125.6 square feet

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In the Closing Entries, the Income summary, computer service revenue, and retained earnings are given.

A Statement of Income, also known as an Income Statement or Profit and Loss Statement (P&L), is a financial statement that reports a company's revenues, expenses, and net income or net loss over a specific period of time, usually a month, quarter, or year.

The statement shows the company's ability to generate revenues and manage expenses during the period being reported

It is an essential tool for analyzing a company's financial performance and is used by investors, creditors, and management to make decisions about the company's operations.

The journal entries, adjusted balances, closing entries, unadjusted trial balances, and statements of income have all been solved in the images below.

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Answer: 24

Step-by-step explanation: 2x2x2 is the volume since 2x2x2 is 8. so the surface area of one side would be 2x2. 4x6= 24. Since there are 6 sides, the answer is 24.

The coin will reach the stream in 5.61 seconds.

Since the height of the coin, after t seconds, is given by the equation:

h = -16t² + 72t + 100

The stream is the ground level. Thus, the coin reaches the stream when h(t) = 0.

So we can equate the equation to zero and solve for t:

-16t² + 72t + 100 = 0

Using the quadratic formula:

t = −b ± √(b² − 4ac) 2a

where a = -16, b = 72 and c = 100

t = −72 ± [√(72² − 4(-16)(100))] /2(-16)

t =  −72 ± [√11584]/(-32)

t = (-72 ± 107.63)/(-32)

t =  (-72 + 107.63)/(-32) or  (-72 - 107.63)/(-32)

t = -1.11 or  5.61

Since t cannot be negative. Thus, t = 5.61 seconds

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Complete Question

Travis tossed a coin off a bridge into the stream below. The path of the coin can be represented by the equation h = -16t² + 72t + 100. How long will it take the coin to reach the stream?

The solution for g is -2

[tex]-g+2\left(3+g\right)=-4\left(g+1\right)[/tex]

expand [tex]-g+2\left(3+g\right)[/tex]

= [tex]g+6[/tex]

expand  [tex]-4(g+1)[/tex]

[tex]-4g-4[/tex]

[tex]g+6=-4g-4[/tex]

collect like terms:

[tex]5g=-10[/tex]

Divide both side by 5:

[tex]\frac{5g}{5} =\frac{-10}{5}[/tex]

=[tex]g = -2[/tex]

Therefore, the solution for g is -2.

A linear equation is an algebraic equation in which the highest power of the variable is 1. It can be written in the form of y = mx + b, where y is the dependent variable, x is the independent variable, m is the slope of the line, and b is the y-intercept.

The slope is the rate of change of the line, which represents how steeply it rises or falls, and the y-intercept is the point where the line intersects the y-axis.

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Answer:

y = -1/3x - 5

Step-by-step explanation:

The slope-intercept form is y = mx + b

m = the slope

b = y-intercept

Slope = rise/run or (y2 - y1) / (x2 - x1)

Points (-6, -3) (6, -7)

We see the y decrease by 4, and the x increase by 12, so the slope is

m = -4/12 = -1/3

Y-intercept is located at (0, -5)

So, our equation is y = -1/3x - 5

Yes, the Median of a triangle is also an altitude and the triangle is isosceles.

The altitude of a triangle is the perpendicular line segment drawn from the vertex of the triangle to the side opposite to it

A median of a triangle is a line segment joining a vertex to the midpoint of the opposite side, thus bisecting that side.

In an isosceles triangle, two sides that are equal meet at a vertex that lies directly above the base midpoint. Because of this altitude from the vertex bisect the base at midpoint median to the base from the vertex.

Therefore, Median of a triangle is also an altitude and the triangle and it is isosceles.

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Answer:

$53.60

Step-by-step explanation:

The value of x and y for the rectangle has side lengths of x cm and (x+y) cm are found as : x = 3 and y = 16.

Dimensions are:

Then,

Area = l*w

57 = x(x + y)  ....eq 1

Perimeter = 2(l + w)

44 = 2(x + x + y)

22 = 2x + y

y = 22 - 2x ...put in eq 1

57 = x(x + y)

57 = x(x + 22 - 2x)

57 = x(22 - x)

Simplifying:

57 = 22x - x²

Or.

x² - 22x + 57

Factorizing using quadratic formula:

x = 19 ans x = 3

For x = 19

y = 22 - 2*19

y = 22 - 38  (negative value not possible)

So, x = 3

y = 22 - 2*3

y = 22 - 6

y = 16

Thus, the value of x and y for the rectangle has side lengths of x cm and (x+y) cm are found as : x = 3 and y = 16.

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Answer:

Proofs attached to answer

Step-by-step explanation:

Proofs attached to answer

The value of the expression x² + 2y ÷ 2w + 3z for w = 2, x = 5, y = 8, and z = 3 will be; ⇒ 3.15

Mathematical expression is defined as the collection of numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

The expression is;

⇒ x² + 2y ÷ 2w + 3z

And, The values are w = 2, x = 5, y = 8, and z = 3.

Now,

The expression is;

⇒ x² + 2y ÷ 2w + 3z

Substitute all the values of w = 2, x = 5, y = 8, and z = 3 in above equation, we get;

⇒ x² + 2y ÷ 2w + 3z

⇒ 5² + 2 × 8 ÷ 2 × 2 + 3 × 3

⇒ 25 + 16 ÷ 4 + 9

⇒ 41 ÷ 13

⇒ 3.15

Thus, The value of the expression x² + 2y ÷ 2w + 3z for w = 2, x = 5, y = 8, and z = 3 will be;

⇒ 3.15

The complete question is-

What is the value of x2 + 2y ÷ 2w + 3z for w = 2, x = 5, y = 8, and z = 3?

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After addressing the issue at hand, we can state that Keep in mind that any probability model must have these probabilities sum up to 1, as is the case here.

Calculating the probability that an event will occur or that a statement is true is the subject of probability theory in mathematics. A risk is a number between 0 and 1, where 1 denotes certainty and an approximate probability of 0 denotes how likely an event appears to be to occur. A mathematical representation of the likelihood that an event will take place is called probability. You can also express probabilities as percentages ranging from 0% to 100% or as integers between 0 and 1. the proportion of equally plausible options that actually occur when compared to all possible outcomes, leading to a certain event.

A probability model for selecting a bead can be defined as follows:

Let the actions of choosing a glass, wood, or brass bead be represented by G, W, and B, respectively. We can suppose that the likelihood of choosing a particular type of bead is inversely correlated with the quantity of that type of bead in the box. As a result, we have:

P(W) = 96/300 = 8/25 P(B) = 144/300 = 12/25 with P(G) = 60/300 = 1/5

Keep in mind that any probability model must have these probabilities sum up to 1, as is the case here.

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The correct question is -

Write a probability model for choosing a bead.

Choosing Beads

Glass 60

Wood 96

Brass 144

The probability as a function of the sum of independent Poisson distributed random variables. We can then obtain the desired expression for P(X_n = i|X_n−1 = j) as follows:P(X_n = i|X_n−1 = j) = P(Z_1 + ... + Z_j = i) = (1/i!)×(γi)×e{-γ}.

Expression in math is a combination of numbers, variables, operations and symbols that represent a mathematical relationship or value. Expressions can be used to represent equations, functions, and sequences, and can be evaluated for a result. Expressions can include constants, variables, operators, functions, and other mathematical expressions.

The general expression for P(X_n = i|X_n−1 = j) is given by P(X_n = i|X_n−1 = j) = P(Z_1 + ... + Z_j = i), where Z_1, ..., Z_j are independent and identically distributed Poisson random variables with parameter γ. This follows from the fact that the offspring of each individual follows the same Poisson distribution, and the total number of offspring is the sum of the offspring of each individual. Therefore, we can express the probability as a function of the sum of independent Poisson distributed random variables. We can then obtain the desired expression for P(X_n = i|X_n−1 = j) as follows:

P(X_n = i|X_n−1 = j) = P(Z_1 + ... + Z_j = i) = (1/i!)×(γi)×e{-γ}.

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Angle measure [tex]\frac{23 \pi}{3}[/tex] is associated with the coordinate [tex]\left({\frac{1}{2}}\;-{\frac{\sqrt{3}}{2}}\right)$[/tex]

Angle measure [tex]-\frac{3 \pi}{4}[/tex] is associated with the coordinate [tex]\left(-{\frac{\sqrt{2}}{2}},-{\frac{\sqrt{2}}{2}}\right)[/tex]

Angle measure 150° is associated with the coordinate [tex]\left(-{\frac{\sqrt{3}}{2}},{\frac{1}{2}}\right)$[/tex]

An angle is fοrmed when twο lines οr rays meet at a cοmmοn pοint. The cοmmοn pοint is knοwn as the vertex.

In geοmetry, an angle measure can be defined as the measure οf the angle fοrmed by the twο rays οr arms at a cοmmοn vertex.

Angles are measured in degrees (°) using a prοtractοr. A prοtractοr is a measuring device that is used tο calculate οr draw angles in terms οf degrees.

Check the figure given in the attachment to better understand

Angle measure [tex]\frac{23 \pi}{3}[/tex] is associated with the coordinate [tex]\left({\frac{1}{2}}\;-{\frac{\sqrt{3}}{2}}\right)$[/tex]

Angle measure [tex]-\frac{3 \pi}{4}[/tex] is associated with the coordinate [tex]\left(-{\frac{\sqrt{2}}{2}},-{\frac{\sqrt{2}}{2}}\right)[/tex]

Angle measure 150° is associated with the coordinate [tex]\left(-{\frac{\sqrt{3}}{2}},{\frac{1}{2}}\right)$[/tex]

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Answer:

V = 3 * 3 * 7 + 2 * 3 * 5 = 63 + 30 = 93       just adding 2 segments