Sierra is riding on a carousel with a 10 foot radius sheet if she's located 1. 5 feet from the edge of the car so how far will she travel five revolutions

Answer:

2

Step-by-step explanation:

Let ( x1, y1) represent the first point (0,0)  and  (x2, y2) represent the second point (2,4). Slope (m) (y2 - y1) / ( x2 - x1)= (4 - 0) / (2-0) =2

Answer:259

Step-by-step explanation:

3+256=269

Answer: 259

Step-by-step explanation: 3 + 256 = 259

The minimum length of the third side must be greater than 16 feet.

The minimum length of the third side can be determined using the Triangle inequality theorem. This theorem states that the sum of any two sides of a triangle must be greater than the length of the third side. The Triangle Inequality Theorem can be expressed by the following inequality: a + b > c, where a, b, and c are the lengths of the three sides of the triangle. In this case, we have two sides of 4 feet and 12 feet, so the inequality can be written as 4 + 12 > c, which simplifies to 16 > c. Solving for c yields c > 16, which means that the minimum length of the third side must be greater than 16 feet.

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The answers for all triangle problems are:

10. ΔABC is a equilateral triangle, then:

∠A = ∠B = ∠C = 8x - 44

3 (8x - 44) = 180

24x - 132 = 180

24x = 48

x = 2

11. ΔRST is an isosceles triangle, then:

∠R = ∠T

15x - 31 = 9x + 11

6x = 42

x = 7

∠S + ∠R + ∠T = 180°

∠S + 2∠T = 180°

∠S + 2( 9x + 11) = 180°

∠S + 2(9(7) + 11) = 180°

∠S + 2 (63 + 11) = 180°

∠S + 2 (74) = 180°

∠S = 180 - 144

∠S = 36°

12. Based on the given data:

∠P = 5x - 14

∠Q = x - 5

∠R = 2x - 9

Since ΔPQR is a triangle, then:

∠P + ∠Q + ∠R = 180°

(5x - 14) + (x - 5) + (2x - 9) = 180°

8x - 28 = 180°

8x = 208

x = 26

∠P = 5x - 14 --> 5(26) - 14 = 116°

∠Q = x - 5 --> (26) - 5 = 21°

∠R = 2x - 9 --> 2(26) - 9 = 43°

13. ΔJKL is a triangle, where:

∠J = ∠L - 7

∠K = 2∠L - 21

∠J + ∠K + ∠L = 180

(∠L - 7) + (2∠L - 21) + ∠L = 180°

4∠L - 28 = 180°

4∠L = 208

∠L = 51°

∠J = ∠L - 7 --> (51) - 7 = 44°

∠K = 2∠L - 21 --> 2(51) - 21 = 81°

14. In a triangle ΔBCD:

BD = BD

∠B = 13x - 35

∠C = 5x - 19

∠D = 2x + 14

Since BC = BD; then:

∠C = ∠D

5x - 19 = 2x + 14

3x = 33

x = 11

∠C = ∠D = 2x + 14 --> 2(11) + 14 = 36°

∠B + ∠C + ∠D = 180°

∠B + 36° + 36° = 180°

∠B = 108°

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Answer: $75

Step-by-step explanation:

Price for one person: $4.50+$8

Price for six people: 6($4.50+$8)=$75

The coordinate of point C' after transformation is; C'(4, 4)

Dilation is defined as a transformation, that is used to resize the object. Dilation is used to make the objects either larger or smaller. That is a reduction or an enlargement.

Usually when we dilate an object by a scale factor, what we simply do is to multiply the original coordinates by the scale factor to get the new dilated coordinates.

Since the quadrilateral is dilated by a scale factor of 2, we will multiply the original coordinate of point C by 2.

Coordinate of C = (2, 2)

Thus;

Dilated coordinate; C' = (2*2, 2*2) = 4,4

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The probability that a plain pencil from the first box and a color pencil from the second box are selected is 3/8.

The Probability in mathematics is the possibility of an event in time. In simple words, how many times that incident is happening in any given time interval.

Given:

A box contains 5 plain pencils and 5 pens.

A second box contains 3 color pencils and 1 crayon.

One item from each box is chosen at random.

The probability that a plain pencil from the first box and a color pencil from the second box are selected,

= 5/10 x 3/4

= 3/8

Therefore, the probability is 3/8.

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The statement using the specified property i.e  Associative Property of Multiplication will be 14y.

One's identity property is its capacity for multiplication.

7(2y)

The phrase is given as follows:

7(2y)

=14y

The one has the multiplication property, which says:

Any number or expression that is multiplied by one doesn't alter in any way.

The result is: 1xa=a

The identification property is another name for this particular attribute.

The general rule is shown as follows:

Examples include

1 * 2 = 2

1 * x = x

1 * ab = ab

and so forth

So, the property of multiplying by one is an identity property.

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Pete is standing 4 feet away from a mirror on the ground, if mirror is 20 feet away from the base of the tree the height of tree is 30 feet.

let,

Pete is standing 4 feet away from a mirror on the ground.

Pete is 6 feet tall and can just see the top of the tree in the mirror from where he is standing.

We can say two triangles are formed are similar,

So if the mirror is 20 feet away from the base of the tree

After talkig the similarity theorem we get,

[tex]\frac{6}{4} = \frac{x}{20}[/tex]

So x = 6*5

x = 30 feet.

The height of the mirror is 30 feet.

Height is a measurement of vertical distance, or how high something or someone is (how tall they are) (how "high" a point is).

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The solution to this system is (x,y)=(10/3, 20/3 + 4).

An equation is a mathematical statement that describes the relationship between two or more variables. It is a statement that states the equality of two expressions. Equations can be used to describe anything from the motion of a pendulum to the growth of a population. They are used in all areas of mathematics, physics, and other sciences. Equations are written using symbols, such as = (equal to), > (greater than), and < (less than).

The solution to this system of equations is the set of values that make both equations true at the same time. To solve this system, we can use the substitution method. First, we solve for one of the variables in one equation, then substitute that value into the other equation.

For this system, we will solve for x in the second equation. We can do this by subtracting 3x from both sides, which gives us 10 = 3x. We then divide both sides by 3, which gives us x = 10/3.

Next, we substitute 10/3 into the first equation and solve for y. We can do this by replacing x with 10/3, which gives us y = (10/3)² -2(10/3) + 4. Simplifying this equation gives us y = 20/3 + 4.

Therefore, the solution to this system is (x,y)=(10/3, 20/3 + 4).

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The requried price of an eraser and ruler is given as 0.15 Tetris and 0.25 Tetris respectively.

Simultaneous linear equations are two- or three-variable linear equations that can be solved together to arrive at a common solution.

1 GEL and 25 tetris = 1.25
1 GEL and 5 tetris = 1.05

We can set up two equations to find the unknown values of x and y:

1.25 = 5x + 2y  - - - - - -(1)

1.05 = 2x + 3y  - - - - - (2)

To solve the system of equations, we can substitute the value of y in the first equation using the second equation:

y = (1.25 - 5x) / 2

Substituting this value of y in the second equation:

1.05 = 2x + 3((1.25 - 5x) / 2)

x = 0.15

Now,
Put x = 0.15 equation 1,
e get
y = 0.25

Thus, the requried price of an eraser and ruler is given as 0.15 Tetris and 0.25 Tetris respectively.

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750=y²-5y is the equation that can be used to solve for y, the length of the room.

The area of Rectangle is length times of width.

Given that the area of a rectangular room is 750 square feet.

The width of the room is 5 feet less than the length of the room.

Let y be the length of the room

Width=y-5.

Area=Length×Width

750=y(y-5)

750=y²-5y

Hence, 750=y²-5y is the equation that can be used to solve for y, the length of the room.

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On the map, the two towns are 17 centimeters apart.

The ratio of the scale of an original thing to a new object that is a representation of it but of a different size is known as a scale factor (bigger or smaller).

Given:

The scale on a map is stated as 1 : 200000.

A main road connects two towns which are 34 kilometers apart.

34 kilometers in centimeters,

= 3400000

So, the road on the map = 3400000/200000

The road on the map = 17 centimeters.

Therefore, the value is 17 centimeters.

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Their total determines which angles are equivalent. Alternative Corresponding Angles Parallel Corresponding angles

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The number of points scored by each girl is 4 and each boy is 1 point.

An equation is a  mathematical statement that is made up of two expressions connected by an equal sign.  In its simplest form in algebra, the definition of an equation is a mathematical statement that shows that two mathematical expressions are equal. For instance, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign.

here, we have,

9 girls and 5 boys scored a total of 51 points.

The difference between the number of points scored by the 9 girls and the number of points scored by the 5 boys is 21 .

Each girl scored the same number of points and each boy scored the same number of points.

Let x be the number of points the 9 girls scored.

=> 51 - x is the number of points the 5 boys scored.

We have x + 21 = 51 - x

           or x - 21 = 51 - x.

=> 2x = 30 or 2x = 72

=> x = 15 or x = 36

We reject x = 15

as 15 is not a multiple of 9

So x = 36,

each girl scored 36/9 = 4 points.

and,

=> 41 - (36) = 5,

each boy scored 5/5 = 1 points.

Hence, the number of points scored by each girl is 4

and each boy is 1 point.

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The lengths of the diagonals of rectangle is 66 units

The properties of a rectangle is given as;

From the information given, we have that;

$WY=14x+10

$XZ=11x+22

Since the diagonals are of the same length, we have;

WY = XZ

14x + 10 = 11x + 22

collect like terms

14x - 11x = 22 - 10

subtract the like terms

3x = 12

Make 'x' the subject of the formula

x = 4

WY = 54 + 10 = 66

XZ = 66

Hence, the values are 66

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Sixth grade students prefer action movie is 0.194 & Eight grade students prefer action movie is 0.333

Given that the information below:

Sixth grade students prefer animated movie - 45

Eight grade students prefer animated movie - 40

Sixth grade students prefer action movie - 35

Eight grade students prefer action movie - 60

Total sixth grade students - 80

Total eight grade students - 100

Total students prefer animated movie - 85

Total students prefer action movie - 95

Proportion of sixth grade students prefer action movie =

Sixth grade prefer action movie/Total students

= 35/180 = 0.194

Proportion of eight grade students prefer action movie =

Eight grade prefer action movie/Total students

= 60/180 = 0.333

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For c = 1, we have f(t,y) =-y = 1. Rearranging this equation yields y = 1, which simplifies to y = et. The isoclines for c = -1, 0, 1 are y = e-t, y = 0, and y = et, respectively.

c = -1: y = e-t

c = 0: y = 0

c = 1: y = et

For c = -1, we have f(t,y) = -y = -1. Rearranging this equation yields y = -1, which simplifies to y = e-t.

For c = 0, we have f(t,y) = -y = 0. Rearranging this equation yields y = 0.

For c = 1, we have f(t,y) =-y = 1. Rearranging this equation yields y = 1, which simplifies to y = et.

The isoclines for c = -1, 0, 1 are y = e-t, y = 0, and y = et, respectively.

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The volume of the solid is approximately 54.8 cubic cm.

Integration is a fundamental concept in calculus that deals with finding the area under a curve and calculating the accumulation of values over an interval. Integration can be thought of as the reverse of differentiation, which is the process of finding the rate of change of a function at a given point.

There are two main types of integration: definite and indefinite integration. Definite integration involves finding the exact area between a curve and the x-axis over a specified interval. Indefinite integration involves finding the general antiderivative of a function, which is a function that, when differentiated, will yield the original function.

The process of integration can be represented symbolically as ∫ (the integral symbol) and the result of an integration is typically represented as an antiderivative. The fundamental theorem of calculus states that differentiation and integration are inverse operations, so the derivative of an antiderivative is the original function.

The paraboloid z = 8 - 2x² - 2y² can be written in polar coordinates as z = 8 - 2r². The volume of the solid can be found by using the double integral of the height of the paraboloid over the region defined by the polar coordinates.

In polar coordinates, the region is defined by 0 <= r <= √4 and 0 <= θ <= [tex]\frac{\pi }{2}[/tex]The volume of the solid is given by:

V=[tex]\int\limits \int\limits {(8-2r^{2} )} r\, dr dy[/tex]

= [tex]\int\limits^0_\frac{\pi }{2} {} \, dx\int\limits^0_\sqrt{4} \,}(8-2r^{2})r }dr[/tex]

= [tex]\int\limits^0_\frac{\pi }{2} dx[ {4r^{2} -\frac{2}{3}r^{3} }] \,[/tex] from 0 to sqrt(4)

= [tex]\frac{\pi }{2} [4(4)-(\frac{2}{3}4^{\frac{3}{2} } ][/tex]

= [tex]\frac{\pi }{2}[16-\frac{2}{3}(16^{\frac{1}{2} } )][/tex]

= [tex]\frac{\pi }{2}[16-8({\frac{2^{} \frac{1}{2} }{3} }) ][/tex] cubic cm

So the volume of the solid is approximately 54.8 cubic cm.

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Answer:

3a - 7.5

Step-by-step explanation:

4.5a−1.5(a+5)

4.5a - 1.5a - 7.5

3a - 7.5

So, the answer is 3a-7.5

Train A takes 20 hours to get to Chicago from Washington whereas Train B takes 16 hours, making a 20: 16 ratio between the two trains.

Given: Time taken by Train A = 16 hours

Time taken by train B = 20 hours

We need to find, the ratios of speeds of trains A and B

The distance exists same (Chicago to Washington) and to finding the speed of train A.

Let the equation be

Speed [tex]$=\frac{\text { Distance }}{\text { time }}$[/tex]

Let the distance between Chicago and Washington be x

Speed [tex]${(\text {train } \mathrm{A})}=\frac{\mathrm{x}}{16} \mathrm{~km} / \mathrm{h}$[/tex]

Hence, speed of train [tex]$A=\frac{x}{16} \mathrm{~km} / \mathrm{h}$[/tex]

To find the speed of train B

Speed [tex]${({train~B})}=\frac{\mathrm{x}}{20} \mathrm{~km} / \mathrm{h}$[/tex]

[tex]$\mathbf{S}_{(\{train~A})}: \mathrm{S}_{(\{train} B)} \\[/tex]

[tex]$& \longrightarrow \frac{\mathrm{x}}{16}: \frac{\mathrm{x}}{20} \\[/tex]

= 20 : 16

Therefore, the ratio of train A and train B be 20 : 16.

The complete question is:

Train a take 16 hour to reach Chicago from Washington while train b take 20 hour, the ratio of the speed of both the train.

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The statement is True: the null space of a is the solution set of the equation ax = 0.

The collection of all solutions to the homogeneous equation makes up a matrix's null space. Any matrix's null space contains the zero vector at all times. The null space is denoted as Null A.

We know that The null space of an m × n matrix A, written as Nul A, is the set of all solutions to the homogeneous equation Ax = 0.

Hence, the statement is True: the null space of a is the solution set of the equation ax = 0.

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The number of planes manufactured by the aeroplane company will be 432.

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that an aeroplane factory made 36 aeroplanes per month. The number of aeroplanes made in a year will be calculated as:-

Number = 36 x Months in a year

Number = 36 x 12

Number = 432

Therefore, the number of planes will be 432.

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The probability that a subject, with a true cholesterol level of 196, takes the test twice and both tests classify the subject incorrectly depends on several factors.

The factors that matter, such as the accuracy of the test, the threshold for normal cholesterol levels, the population being tested, and the distribution of cholesterol levels in that population. Without more information, it is not difficult to determine the exact probability.

However, it is generally unlikely for a test to classify a subject's cholesterol level incorrectly twice in a row, especially if the test has a high level of accuracy. Cholesterol levels in a population tend to follow a normal distribution, making it unlikely for a single subject to have significantly different readings on two separate tests.

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The approximate value of the correlation coefficient for the given graph is D. -1.

The correlation coefficient is a statistical measure that indicates the strength and direction of the linear relationship between two variables. A correlation coefficient of -1 indicates a perfect negative linear relationship, meaning that as the value of one variable increases, the value of the other variable decreases at a constant rate. In this case, as the number of years increases, the price of the car decreases, so the correlation coefficient is negative.

No, the length of any pair of sides added together is not necessarily longer than the length of the third side.

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It is true three side lengths of 23, 32, and 45 units will form exactly one unique triangle.

The complete question is

Three side lengths of 23, 32, and 45 units will form exactly one unique triangle. true /false.

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Answer:

deductive reasoning

Step-by-step explanation:

When y = 92, the value of x is approximately 4.07 hours. This means that if a student spends approximately 4.07 hours on their homework each week, we would expect their quiz score to be 92.

What is the linear equation?

Linear equations are the equations of degree 1. It is the equation for the straight line. The standard form of linear equation is ax+by+c =0, where a ≠ 0 and b ≠ 0.

If y = 92, we can solve for x by substituting 92 for y in the equation y = 61 + 7.6x:

92 = 61 + 7.6x

7.6x = 92 - 61

7.6x = 31

x = 31 / 7.6

x = 4.07

Therefore, when y = 92, the value of x is approximately 4.07 hours. This means that if a student spends approximately 4.07 hours on their homework each week, we would expect their quiz score to be 92.

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