solve for w

-5/2 + 1/4w = -5/8

For given circle value of arc KT will be 147m.

What is a circle?

A circle is a special kind of ellipse in which the eccentricity is zero and the two foci are coincident. A circle is also termed as the locus of the points drawn at an equidistant from the center. The distance from the center of the circle to the outer line is its radius. Diameter is the line which divides the circle into two equal parts and is also equal to twice of the radius.

The equation of circle in the plane is given as:

(x-h)^2 + (y-k)^2 = r^2

where (x, y) are the coordinate points

(h, k) is the coordinate of the center of a circle

and r is the radius of a circle.

and Area of circle = πr²

Circumference of circle=2πr

Now,

as for a given circle when the vertex of angle falls outside of circle

then (larger arc-smaller arc/2)=angle

Therefore,  55=(KT-37)/2

KT=110+37

KT=147m

Hence,

              Value of arc KT will be 147m.

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The explicit formula for the arithmetic sequence 40, 37, 34, 31 is given as follows:

[tex]a_n = 40 - 3(n - 1)[/tex]

An arithmetic sequence is a sequence of values in which the difference between consecutive terms is constant and is called common difference d.

The nth term of an arithmetic sequence is given by the explicit formula presented as follows:

[tex]a_n = a_1 + (n - 1)d[/tex]

In the sequence, each term is the previous term subtracted by three, hence the common difference is given as follows:

d = -3.

The first term is of:

[tex]a_1 = 40[/tex]

Hence the explicit formula is given as follows:

[tex]a_n = 40 - 3(n - 1)[/tex]

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Answer:

JK = 10 , JL = 14

Step-by-step explanation:

• opposite sides of a parallelogram are congruent

(6)

JK = ML , that is

3x - 2 = x + 6 ( subtract x from both sides )

2x - 2 = 6 ( add 2 to both sides )

2x = 8 ( divide both sides by 2 )

x = 4

Then

JK = 3x - 2 = 3(4) - 2 = 12 - 2 = 10

• the diagonals of a parallelogram bisect each other

(7)

JL = 2 × JA = 2(2x - 1) = 4x - 2 ( substitute x = 4 )

JL = 4x - 2 = 4(4) - 2 = 16 - 2 = 14

The standard error of the mean is approximately for 225 elements with variance of 900 is 1.4847.

In contrast to range and interquartile range, variance is a measure of dispersion that considers the spread of all data points in a data collection. It is the most commonly used measure of dispersion, along with the standard deviation, which is essentially the square root of the variance. The calculations for variance are listed below. Variance can be stated as follows for ungrouped data: Population (Xi X)2N is the variance for a population of size N. The variance is calculated as the total of the squared departures from the mean. The variance of population data is denoted by 2 (read as sigma squared), whereas the variance of sample data is marked by s2.

Here,

For 225 items with a variation of 900, the standard error of the mean is roughly 1.4847.

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Answer:

x=-36

Step-by-step explanation:

To do this we do the inverse of the equaison which is 9×-4 and the answer to that is -36

The true statements are 0.04b +  0.05s = 320, b + s = 7000, and Amber invests $3,000 in bonds and $4,000 in stocks. Then the correct options are A, C, and F.

Simple interest is the concept that is used in many companies such as banking, finance, automobile, and so on.

The formula for interest is written as,

I = (PRT)/100

Where P is the principal, R is the rate of interest, and T is the time.

Amber invests $7,000 in bonds and stocks.

Then the equation is given as,

b × 0.04 + s × 0.05 = $320

0.04b +  0.05s = 320         ...1

b + s = 7000                       ...2

From equations 1 and 2, then we have

0.04(7000 - s) + 0.05s = 320

0.01s = 40

s = 4000

Then the value of 'b' is given as,

4000 + b = 7000

b = 3000

The true statements are 0.04b +  0.05s = 320, b + s = 7000, and Amber invests $3,000 in bonds and $4,000 in stocks. Then the correct options are A, C, and F.

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The complete question is attached below.

The consecutive integers for the two roots are:

17) 14 < √214 < 15

18) 7 < ∛441 < 8

17) First, we want to find two consecutive integers such that √214 lies between them.

To do so, we just need to find two consecutive integers such that when we square them, one is smaller than 214, and the other is larger than 214.

For example:

13*13 = 169

14*14 = 196

15*15 = 225

Now we can see that:

14² < 214 < 15²

If we apply the square root we get:

14 < √214 < 15

Thes are the two integers.

18) Now we want to do the same thing, but this time with:

∛441

This time we need to cube our numbers.

7*7*7 = 343

8*8*8 = 512

These are the two integers such that:

343 < 441 < 512

Now we can apply the cube root to get:

∛343 <∛ 441 < ∛512

7 < ∛441 < 8

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Property which represents the one half of the figure exactly same as the rest half of the same figure is known as the line of symmetry.

As given in the question,

Therefore, property used to define the one half of the figure is exactly same as the other half is known as line of symmetry.

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The volume of the ice cream cone is 100.48 in³.

The volume of the basketball is 267.95 in³.

The volume of the can of corn is 169.56 in³

To find the volume of the ice cream cone, use the formula for the volume of cone, which is given by:

V = (1/3)πr²h

r = 4 in and h = 6 in

V = 1/3 × 3.14 × 4² × 6 = 100.48 in³

To find the volume of the basketball, use the formula for the volume of sphere, which is given by:

V = (4/3)πr³, where r = 4 inches

V = (4/3) × 3.14 × 4³ = 267.95 in³

To find the volume of the can of corn, use the formula for the volume of cylinder, which is given by:

V = πr²h, where r = 3 in and h = 6 in

V =  3.14 × 3² × 6 = 169.56 in³

code: HG DA CF

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Answer:

the answer is the middle one

The general solution of the given differential equation is: y = c_1 e^x + (1/x)∫xe^x dx.

A general solution is a comprehensive approach that is applicable to a wide variety of situations and problems. It is usually used to solve complex problems that have multiple variables and factors. General solutions often involve a combination of strategies, techniques, and processes that can be adapted to fit a particular context. In some cases, general solutions may require a combination of both traditional and modern methods. The goal of a general solution is to provide an effective, efficient, and sustainable solution to an issue.

The largest interval over which the general solution is defined is (-∞, ∞). There are no transient terms in the general solution, so the answer is NONE.

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Answer:

Yes it’s functions, because for each input there is an output.

If there are currently 250,000 square miles of rainforest, then number of square miles of rainforest will happen in n years is, f = 250000(0.73)ⁿ

So option B is correct

The percentage is a mathematical term, which means a number or a ratio which is represented in fractions of 100. We use the '%' symbol to represent the percentage.

Formula for percentage;

Percentage = (present quantity/whole quantity)×100

Given that,

The rainforest is currently decreasing at a rate of 27% per year

There are currently 250,000 square miles of rainforest

The number of square miles of rainforest will happen in n years = ?

The expression for remaining rainforest is,

after 1 year

f = 250000(1 - 0.27)

after 2 year

f = 250000(1 - 0.27)(1 - 0.27)

after 3 year

f = 250000(1 - 0.27)(1 - 0.27)(1 - 0.27)

Similarly

after n year

f = 250000(1 - 0.27)ⁿ

f = 250000(0.73)ⁿ

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The simple interest for 4 years is Rs 960 and at the end of 4 years, the total amount in the bank account is Rs 2160.

Simple interest is calculated by multiplying the principal amount (initial deposit) by the interest rate and the number of years. In this case, the principal amount is Rs 1200 and the interest rate is 20% per annum (or 0.20) and the number of years is 4.

Simple Interest = Principal x Rate x Time

Simple Interest = 1200 x 0.20 x 4 = 960

So the simple interest for 4 years is Rs 960

To calculate the total amount at the end of 4 years, we add the simple interest to the original deposit.

Total Amount = Principal + Simple Interest

Total Amount = 1200 + 960 = 2160

So, at the end of 4 years, the total amount in the bank account is Rs 2160

Therefore, the simple interest for 4 years is Rs 960 and at the end of 4 years, the total amount in the bank account is Rs 2160.

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The correct answer to the given question is an option (C) -the size of the confidence interval increases.

In statistics, the confidence interval for the population means signifies the range in which it could lie at a given confidence level. The confidence interval is usually approximated by using the standard deviation, mean, and sample size of a representative sample drawn from population data.

The margin of error is given by:

= (Z-score * Standard error)

= [tex]\frac{Z -score * Standard deviation}{\sqrt{Sample Size} }[/tex]

Now, the width of a confidence interval is given by:

=(2 * Margin of error)

From the above formulae, it can be inferred that the width of the confidence interval is directly connected to the margin of error, which in turn is directly related to the confidence level or Z-score. Hence, if we change the 95% confidence interval estimate to a 99% confidence interval, the size of the confidence interval will increase.

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The complete question is:

If we change a 95% confidence interval estimate to a 99% confidence interval estimate, we can expect:

A. the size of the confidence interval to decrease.

B. the sample size to increase.

C. the size of the confidence interval to increase.

D. the size of the confidence interval to remain the same.

Answer: 55%

Step-by-step explanation:

The question says that Toronto FC lost 12 of 40 games and drew in 15% of the total games they played. To find the percentage of the games they won, you need to subtract the percentage of games they lost and the percentage of games they drew from 1 since all possibilities add up to 1.

% of games won = 1 - (% of games lost + % of games drawn)

First, Toronto FC lost 12 of 40 games. This means that they lost 12/40 of all games, and this can be simplified to be

3/10

Which is 0.3, or 30%.

Now the questions said that Toronto FC drew in 15% of all games, which means that using the equation from earlier, we can find the percentage of games won.

% of games won = 1 - (30%+15%)

= 1-0.45

= 0.55

Therefore, Toronto FC won in 55% of their games.

Answer:

h = 6/7

Step-by-step explanation:

h minus four sevenths equals two sevenths

minus means -

equals means =

h - four sevenths = two sevenths

four sevenths means 4/7

two sevenths = 2/7

h - 4/7 = 2/7

add 4/7 to both sides to isolate h

h = 6/7

Answer: h =6/7

Step-by-step explanation: 4/7 + 2/7 = 6/7 so h - 4/7 = 2/7 h = 6/7

Pilot should take reverse bearing, calculated using atan2(East,North),converted in degrees.

What is radian ?

A radian is a unit of measurement for angles. It is defined as the ratio of the length of an arc of a circle to the radius of that circle. One radian is approximately 57.3 degrees. Radians are often used in mathematics, physics, and engineering because they allow for a more natural way of measuring angles and help simplify certain calculations.

To find the bearing, we can use the formula ,

Bearing = atan2(East, North)

Where East is the number of miles east of the airport and North is the number of miles north of the airport.

The atan2 function is a variation of the arctangent function, which returns the angle (in radians) whose tangent is the quotient of its two arguments. This function is defined for all real arguments and returns a value between -π and π.

So you can convert the bearing from radians to degrees using the formula ,

degrees = bearing * (180/π)

Pilot should take reverse bearing, calculated using atan2(East,North),converted in degrees.

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On solving the provided question, we can say that the probability that at least two students pick the same integer is = 10/10 = 1

Probability theory, a subfield of mathematics, gauges the likelihood of an occurrence or a claim being true. An event's probability is a number between 0 and 1, where approximately 0 indicates how unlikely the event is to occur and 1 indicates certainty. A probability is a numerical representation of the likelihood or likelihood that a particular event will occur. Alternative ways to express probabilities are as percentages from 0% to 100% or from 0 to 1. the percentage of occurrences in a complete set of equally likely possibilities that result in a certain occurrence compared to the total number of outcomes.

here,

number of favorable  outcome = 1,2 ; 2,3; 3,4; 4,5; 5,6; 6,7; 7,8;8,9;9,10; 1,10

number of total outcome = 10

probability = 10/10 = 1

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Answer:

3[tex]x^{2}[/tex](3+1)

Step-by-step explanation:

The HCF is 3[tex]x^{2}[/tex] hence it will go outside the brackets.

Answer:

3x^2(3+1)

^2 means squared or two to the exponential power.

Step-by-step explanation:

If a hotel has 260 rooms, where the singles cost $35 and the doubles cost $60, then there are 64 single rooms and 196 double rooms.

This is a system of equations problem. Let x be the number of single rooms and y be the number of double rooms. We know that

as the total number of rooms is 260

x + y = 260

Also as the total sales for the single and double rooms is $14,000 where the singles cost $35 and the doubles cost $60

35x + 60y = 14,000

To solve for x and y, we can use either substitution or elimination method.

Using substitution:

x + y = 260

x = 260 - y

35(260 - y) + 60y = 14,000

9,100 - 35y + 60y = 14,000

25y = 4,900

y = 196

So there are 196 double rooms.

Therefore, x = 260 - y

x = 260 - 196

x = 64

So there are 64 single rooms

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The scale factor of the dilation used to transform trapezoid MNOP to RSTU obtained by the  ratio of the corresponding sides is 1.5

A dilation transformation is one in which the lengths of the sides of the original figure are multiplied by a constant known as the scale factor of the dilation.

Part of the question includes the diagram of the trapezoids.

Please find attached diagrams of two similar trapezoids that can be used to illustrate the problem created with MS Word.

The corresponding sides of the trapezoids are;

Side OP in trapezoid MNOP is the corresponding side to side ST in trapezoid RSTU

The ratio of the corresponding side in the trapezoids indicates the scale factor of the dilation as follows;

The scale factor, s.f. used to transform trapezoid MNOP to trapezoid RSTU obtained from the ratio of the corresponding sides is; s.f. = ST/OP

ST = 15

OP = 10

Therefore; s.f. = 15/10 = 1.5

The scale factor of dilation used to transform trapezoid MNOP to trapezoid RSTU, s.f. is 1.5

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Answer: A,9

Step-by-step explanation:

g(7) = 4 and f(4) = 9

When you see something like f(g(x)) it is just asking you to find g(x) and plug that number in as x for f(x).

Each piece of room or house length and width should be inverted to be scaled. For instance, a rectangle measuring 66" by 7" might be used to depict a dresser that is 5' by 2' at a scale of 14" = 1'.

A table that is 4' by 4' would also be 1" by 1" in size. [7] When measuring furniture that isn't square or rectangular, make the smallest square or rectangle the item might possibly fit and then use those dimensions. For instance, to represent a wingback chair that is 2' 6" wide and 2' deep, use a 5/8" by 1" rectangle.

Next, draw a rough outline of the chair inside the rectangle. On a piece of graph paper that is blank, draw the furnishings. Use graph paper without the room's floor plan drawn on it.

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Step-by-step explanation:

complement angle means together they are 90°.

supplementary means together they are 180°.

x = the angle

90 - x = (180 - x)/3

270 - 3x = 180 - x

90 - 3x = -x

90 = 2x

x = 45°

The monomial that completes the expression hence it is the square of a binomial is given as follows:

9p².

The square of a binomial is modeled as follows, considering that the binomial can be either a sum or a subtraction.

The expression for this problem is given as follows:

x - 42pq + 49q².

In which x is the monomial.

Hence the system of equations to obtain the values of the parameters a and b are given as follows:

Hence the parameter b is obtained as follows:

[tex]b = \sqrt{49q^2}[/tex]

b = 7q.

The parameter a is obtained as follows:

2ab = 42pq

14aq = 42pq

14a = 42p

a = 42p/14

a = 3p.

Hence monomial that makes the expression that square of a binomial is given as follows:

a² = (3p)² = 9p².

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Answer: [tex](x+1)^2+y^2=117[/tex]

Step-by-step explanation:

The radius of the circle is [tex]\sqrt{(-1-(-4))^2 +(\sqrt{108}-0)^2}=\sqrt{117}[/tex].

Using the center-radius form for the equation of a circle, the equation is [tex](x+1)^2+y^2=117[/tex].

Answer:

[tex](x+1)^2+y^2=117[/tex]

Step-by-step explanation:

Equation of the circle: (x - h)² + (y - k)² = r²

(x, y) – any point in the circle

(h, k) – the center of the circle

r – the radius of the circle

(-4, √108) – (x , y)

(-1, 0) – (h, k)

r – ?

[tex](x-h)^2+(y-k)^2=r^2\\\\((-4)-(-1))^2+((\sqrt{108})-(0))^2=r^2\\\\(-4+1)^2+(\sqrt{108}-0 )^2=r^2\\\\(-3)^2+(\sqrt{108} )^2=r^2\\\\9+108=r^2\\\\r^2=117\\\\r^2=9*13\\\\\sqrt{r^2}=\sqrt{9*13} \\\\r=3\sqrt{13}[/tex]

Now that we know what's the r value:

[tex](x - (-1))^2+(y-0)^2=(3\sqrt{13} )^2\\\\(x+1)^2+y^2=9*13\\\\(x+1)^2+y^2=117[/tex]

The volume of the figure is V = (1/2)xy*h.

The volume of an oblique prism can be found by multiplying the area of its base by its height.

Since the bases of the prism are right triangles, we can use the formula for the area of a right triangle, which is (1/2)base*height.

If we assume that the base is the right triangle with legs x and y, and the height of the prism is h. The volume of the prism can be calculated as:

V = (1/2)xy*h

Note that this formula is valid only if the prism is a right triangular prism and the bases are right triangles, otherwise we would need more information to calculate the volume.

Thus, The volume of the figure is V = (1/2)xy*h.

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The formula for expected value is E(p) = Σ [p(x) * x] where x are the possible values of p and p(x) is the probability of x.

Without the probability distribution of p, it is impossible to determine the expected value of p.

The expected value (also known as the mathematical expectation or mean) of a random variable is a measure of the central tendency of the variable's possible values. The expected value of a discrete random variable p is the sum of the product of each possible value of the variable and its corresponding probability.

To find the expected value of p, you would need to know the probability distribution of the variable, which tells you the likelihood of each possible value of p. The probability distribution would typically be provided in a problem statement, or can be determined through experimentation or survey data.

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The value of z at the end of the procedure is 84.

The term procedure in math is defined as a sequence of mathematical operations carried out in order.

Here we have given that if x was 20 and y was 2.

And here we need to find the value of z.

Here let us consider the the equation of z can be written according to the theorem it can be written as,

=> z = 4x + y²

Here we know the values of x and y then the value of z is calculated as,

=> z  = 4(20) + 2²

When we simplify the equation, then we get,

=> z = 80 +  4

=> z = 84.

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