The face of a fair sided cube are numbered 1-6 based on rhetorical probability if a number cube is rolled 60 times how many times should a 2 be rolled

Answer:

The answer is a = w + 4 - 3b/2

Step-by-step explanation:

w = 3(2a + b) - 4

add 4 both sides we get,

w + 4 = 3(2a + b) - 4 + 4

w + 4 = 3(2a + b)

w + 4 = 6a + 3b

Subtract 3b from both sides we get,

w + 4 - 3b = 6a + 3b - 3b

w + 4 - 3b = 2a

Now, Divide both sides by 2 we get,

w + 4 - 3b/2 = 2a/2

a = w + 4 - 3b/2

Thus, The answer is a = w + 4 - 3b/2

Yes, Purple math is a completely free online math resource for students and teachers.

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Purple math is an online resource that provides comprehensive math lessons and problem-solving tools for students of all ages.

It offers step-by-step instructions for solving math problems, interactive tutorials, and helpful study guides.

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Purple math makes learning math fun and accessible to everyone, no matter their age or learning level.

According to the given question:

It provides comprehensive math lessons and tutorials, as well as interactive practice questions with instant feedback. It is an invaluable tool for students of all levels as it is free, from middle school to college, who are looking to improve their math skills and better understand mathematical concepts.

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The slope of a line is the change in the line's y coordinate from its x coordinate.

The shift from the line's y coordinate to its x coordinate is referred to as the slope of a line. The following mathematical formula is used to express the slope of a line:

Slope: y₂-y₁/x₂-x₁

For instance using the coordinate points(0, 0) and (1, 3), respectively, into the formula to obtain:

Slope = 3-0/1-0

Streamline to have:

Slope = 1/3

Slope = 3

As a result, the slope of the line passing the coordinates is 3.

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Sets of points connected by typical lines or curves form graphs.

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In its simplest form in algebra, the definition of an equation is a mathematical statement that shows that two mathematical expressions are equal.

A General Rule for Solving Equations

x= 9, y= 15

-4x +3y= 8 -----(1)

2x +5y=-3-----(2)

(1) ×2:

-8x +6y= 16 -----(3)

(3) -(2):

-4x +6y -(-8x +6y)= 16 -1

-4x +6y +4x -5y= 15

y= 15

Substitute y= 15 into (1):

-4x +3(15)= 8

-4x+45=8

4x+45-8

4x=37

x=37÷4

x=9

b = 2(9) + 5(15)  + 3

b = 13 + 75 + 3 = 91

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On the basis of their sides, we may similarly determine the areas of various shapes like rectangles, parallelograms, triangles, and any polygon.

The space that the object occupies is called the area. It is the area that any shape resides in. We only take into account a square's side length when calculating its area. Since a square's area is equal to the square of each of its equal sides, it is a square.

On the basis of their sides, we may similarly determine the areas of various shapes like rectangles, parallelograms, triangles, and any polygon. Based on the radius or the separation of the surface's outer line from the axis for curved surface objects, the area of the surface is determined.

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Answer:

  1598.9 ft

Step-by-step explanation:

You want the distance between points A and B when observers at each point find the angle of elevation to a lighthouse beacon to be 15° and 6°, respectively. Point A is 1032 ft horizontal distance from the lighthouse.

The tangent relation for sides in a right triangle is ...

  Tan = Opposite/Adjacent

This can be rearranged to ...

  Opposite = Tan × Adjacent

If d is the distance in feet from A to B, two expressions for the same lighthouse height can be written:

  height = tan(15°)(1032)

  height = tan(6°)(1032 +d)

Equating these values of height, we have ...

  tan(6°)(1032 +d) = tan(15°)(1032)

  d = 1032(tan(15°) -tan(6°))/tan(6°) = 1032(tan(15°)/tan(6°) -1)

  d ≈ 1598.946 . . . . feet

The distance from A to B is about 1598.9 feet.

The factor of  [tex]x^3 -7x + 6[/tex] is (x - 1) (x +3) (x -2).

Now, According to the question:

The given expression to be factorized is :

[tex]x^3 -7x + 6[/tex]

This can be written in the form:

[tex]x^3 -7x + 6[/tex] = [tex]x^3[/tex] - (1 + 6)x + 6

[tex]x^3 -7x + 6[/tex] = [tex]x^3[/tex] -x - 6x + 6

Take common 'x' from the first two terms and -6 from the last two terms. Then we have,

[tex]x^3 -7x + 6[/tex] = x([tex]x^2 -1[/tex]) -6 (x -1)

                  = x{ [tex](x)^2 - (1)^2[/tex] } - 6(x -1)

                  = x(x +1) (x -1) - 6(x -1)

Finally, Take common (x -1) from the above expression:

[tex]x^3 -7x + 6[/tex] = (x -1) {x(x +1) - 6}

                 = (x -1) [tex](x^{2} +x-6)[/tex]

                 = (x -1)([tex]x^{2}[/tex]+3x -2x -6)

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

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

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The complete question is this:

Which is the factor of [tex]x^3 -7x + 6[/tex]

1. x(x -6) (x -1)

2. [tex](x^{2} -6)[/tex] (x -1)

3. (x + 1) (x + 2) (x +3)

4. (x - 1) (x +3) (x -2)

Answer:

Miyo can make 30 origami figures in 18 minutes

Step-by-step explanation:

tbh, i just counted up by 5's until i reached 18

Answer: 3

Step-by-step explanation: Because we know Miyo can make 5 origami figures in 3 minutes. and we want to know How many origami figures can Miyo make in 18 minutes? so, we know 5*3 is 15. right? well, then we take 18-15 and get 3 so, Miyo can make 3 origami figures in 18 mins.

Step-by-step explanation:

remember some of the angle theorems inside a circle.

first of all, arc angles are the angles of the corresponding circle segments at the center of the circle (the angle between the lines from the points on the arc to the center).

and, of course, all the arc angles together around a circle are therefore 360°.

so,

(8x + 20) + 104 + arc angle KJP = 360

and then :

the opposite angle is half of the arc angle for the same points on the circle arc.

angle L = 5x + 1 is the opposite angle of K and P, and that is therefore half of the arc angle KJP.

5x + 1 = (arc angle KJP)/2

arc angle KJP = 2×(5x + 1)

and by using this in the first equation we get

(8x + 20) + 104 + 2×(5x + 1) = 360

8x + 124 + 10x + 2 = 360

18x + 126 = 360

18x = 234

x = 234/18 = 13

Answer:

9

Step-by-step explanation:

vertical angles are congruent

110=13x-7

110+7=13x

117=13x

divide

9=x

x=9

The sample size is more than 30 and according to the central limit theorem, with a sample size of more than 30, approximately normal distribution.

What is the central limit theorem?

The central limit theorem establishes that, in many situations, when independent random variables are summed up, their properly normalized sum tends toward a normal distribution even if the original variables themselves are not normally distributed.

We have,

the shape of the sampling distribution of the (mean of members - mean of non-members):

A. It's exactly normal because both populations are normally distributed.

B. It's approximately normal because both sample sizes are at least 30.

C. It's skewed, because the populations are skewed, and both sample sizes are at least 30.

D. The shape cannot be determined since we don't know the shape of either population distribution.

Option (B) is true, as the sample size is more than 30 and according to the central limit theorem, with a sample size of more than 30, approximately normal distribution.

Hence, the sample size is more than 30 and according to the central limit theorem, with a sample size of more than 30, approximately normal distribution.

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The size and shape of things are preserved by stiff transformations (reflections, translations, and rotations). As a result, archetypes and visuals are always compatible.

The separation between each pair of the geometric object's points is preserved during a rigorous change of the object. In other words, a rigid transformation maintains the object's size and shape. For instance, the rigid transformation of a triangle retains the angles and lengths of the triangle. Imagine a stiff shape distortion, similar to a cardboard shape. The form remains the same after being pushed left and right, rotated, and flipped. When the mold was created using putty, the opposite was true. The thing can then be twisted and stretched. These conversions, nevertheless, are not exact. Stretching a form alters the distances between each pair of its points.

c + 18 + 10 = 42//

[tex]c = 42 -(18 + 10) cm = 14 cm\\s = 21 cm//[/tex]

Area = [tex]\sqrt{s(s - a)(s - b)(s - c) }[/tex]

and, here s = half the perimeter,

[tex](a + b + c)/2.[/tex]

A = [tex]21\sqrt{11}[/tex]

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Therefore, the  Uppercase delta (Δ) in calculus denotes the change of variable.

Calculus is a discipline of mathematics that, in its most basic form, deals with rate of change. As an illustration, suppose you wanted to figure out how fast an automobile would slow down as it approached a stop sign. You may determine that change using calculus. Yes, calculus incorporates movement into math.

Here,

Given: Uppercase delta (Δ)

In math, the uppercase letter delta () typically denotes "change" or "the change."

Consider a scenario where the variable x represents an object's motion.

Consequently, "Δx" denotes "the change in movement." This mathematical interpretation of delta is used by scientists in a variety of scientific fields.

Therefore, the  Uppercase delta (Δ) in calculus denotes the change of variable.

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Therefore, square are results multiplying the number by itself whereas square root component of the number.

What is  square root ?

The square root of a number or a root of an equation is the component of the number that results in the original number when multiplied by itself. Exponents are specifically squares and square roots. Consider the number 9. You can write this as or as 3 × 3.

According to the given question:

When you multiply an integer by itself, you get squares.

Alternatively, the square root of an integer is a value that, when multiplied by itself, returns the original value.

This makes both vice-versa approaches.

The square of two is four, for instance, while the square root of four is two.

Therefore , the difference between squaring a number and finding the square root of a number is square are results multiplying the number by itself whereas roots its vice versa.

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x=-2+3√2/2 and x=-2-3√2/2 are solutions of the quadratic equation 2x²+4x=7.

A quadratic equation is a second-order polynomial equation in a single variable x , ax²+bx+c=0. with a ≠ 0 .

The given quadratic equation is 2x²+4x=7

Subtract 7 from both sides of the equation.

2x²+4x-7=0

Use the quadratic formula to find the solutions.

x=-b±√b²-4ac/2a

x=-4±√16-4(2)(-7)/2(2)

x=-4±√16+56/4

x=-4±√16+56/4

x=-2±3√2/2

x=-2+3√2/2 and x=-2-3√2/2

Hence, x=-2+3√2/2 and x=-2-3√2/2 are solutions of the quadratic equation 2x²+4x=7.

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It is demonstrated in the following figure itself that △LMN is a right triangle.

A right triangle, also known as a right-angled triangle, right-perpendicular triangle, orthogonal triangle, or formerly rectangle triangle, is a triangle with one right angle, or two perpendicular sides.

The foundation of trigonometry is the relationship between the sides and various angles of the right triangle.

A right triangle's hypotenuse is its longest side, its "opposite" side is the one that faces a certain angle, and its "adjacent" side is the one that faces the angle in question.

To describe the sides of right triangles, we utilize specific terminology.

The side opposite the right angle is always the hypotenuse of a right triangle.

So, in the given figure, it is shown that △LMN is a right triangle.

Therefore, it is demonstrated in the following figure itself that △LMN is a right triangle.

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From the concepts and properties of triangles, m∠BDC is 26°.

A triangle is a three-sided closed-plane figure formed by joining three noncolinear points. Based on the side property triangles are of three types they are Equilateral triangle, Scalene triangle, and Isosceles triangle.

We know the sum of all the interior angles in a triangle is equal to 180°.

In the given ΔABD, line segment AD and BD are equal and hence it is an isosceles triangle.

Therefore,

x° + x° + 70° = 180°.

2x° = 110°.

x = 55°.

So, m∠DAB = m∠DBA = 55°.

We know the sum of linear pair of angles is 180°.

Therefore, m∠ABD + m∠DBC = 180°.

55° + m∠DBC = 180°.

m∠DBC = 125°.

Now,

m∠BDC + m∠DCB + m∠CBD = 180.

m∠BDC + 29° + 125° = 180°.

m∠BDC = 26°.

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3x - 1 = 0 is not a quadratic equation.

A variable with the largest power of two in a quadratic equation is called a variable. Quad, which signifies square, is the root of the term quadratic. The phrase must be two times its own strength, neither higher nor lower.

Given that they are the x values for which f(x) = 0, the roots of the function f(x) = ax² + bx + c correspond to the solutions of the quadratic equation ax² + bx + c = 0.

The term ax² is known as the quadratic term (hence the function's name), the word bx is known as the linear term, and the value c is known as the constant term.

In the given equation: 3x - 1 = 0 , no ax² term is given, so it is not a quadratic equation.

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The complete question is as follows:

Is 3x - 1 = 0 a quadratic equation?

To display the distribution of the lengths in inches of a sample of brook trout, the graph you should use is histogram. (Option A)

A histogram refers to a graphical representation of data points organized into user-specified ranges. It is an approximate representation of the distribution of numerical data. It is similar in appearance to a bar graph; however, the histogram condenses a data series into an easily interpreted visual by taking many data points and grouping them into logical ranges or bins. It is used to summarize discrete or continuous data that are measured on an interval scale. The histogram is represented by a set of rectangles, adjacent to each other, where each bar represents a type of data. Hence, in order to display the distribution of the lengths in inches of a sample of brook trout, the appropriate graph to use is histogram.

Note: The question is incomplete. The complete question is probably is: To display the distribution of the lengths in inches of a sample of brook trout, what graph should you use? A) histogram B) bar chart C) scatterplot D) pie chart E) line graph.

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The measure of the length AC is 60.

Z = 60

It is a two dimensional figure which has three sides and the sum of the three angles is equal to 180 degrees.

We have,

BY = YC = 50/2 = 25

BX = XA = 42/2 = 21

Now,

XY is parallel to AC.

BX/XY = BA/AC

21/30 = 42/AC

1/30 = 2/AC

AC = 60

Z = 60

Thus,

The length of the AC is 60.

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3 to 1 slope means: there are three horizontal units for every one vertical unit.

The slope is computed mathematically as "rise over run" (change in y divided by change in x).

In accordance with the slope equation, the slope of such a line may be determined by dividing the rise of the line between two positions by the run of the same line between the same two sites.

That is to say,

"Ratios like 3:1 are used to represent slopes. This indicates that there is a 1 unit (foot or meter) vertical shift, either up or down, for every 3 units (feet or meters) of horizontal distance."

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The complete question is as follows:

How do you do a 3 to 1 slope?

The mean of the set of numbers 23, 45, 87, 40, and 50 is 49. This is the average value of the set, and it is affected by all the values in the set.

The mean, also known as the arithmetic mean, of a set of numbers is found by adding up all the numbers in the set and dividing by the total number of numbers in the set. In this case, the set of numbers is 23, 45, 87, 40, 50. When we add up all the numbers in the set, we get a total of 245. There are 5 numbers in the set, so the mean is 245 / 5 = 49.

To find the mean, we first need to add up all the numbers in the set. Then, we divide that sum by the total number of numbers in the set. This gives us the average value of the set.

In summary, the mean of the set of numbers 23, 45, 87, 40, 50 is 49. This is the average value of the set, and it is affected by all the values in the set.

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The time required for the balance of the account to be $6000 is 19.5 years.

The simple interest method, which adds interest to the starting principal amount at the same rate every day, is a quick and easy technique to calculate the interest on that money.

Simple interest is a way to calculate the amount of interest that will be charged on a certain amount of money at a certain rate and for a certain period of time.

As per the information in the question,

Principal amount, p = $3500

Rate, r = 8.75%

End amount = $6000

SI = (p × r × t)/t

6000 = 3500 × 8.75% × t

t = (6000 × 100)/(3500 × 8.75)

t = (600000)/(3500 × 8.75)

t = 19.5 years.

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The height of the isosceles triangle is  h = [tex]\sqrt{a^{2}-\frac{c^{2} }{4} }[/tex]

Given,

Isosceles triangle;

An isosceles triangle has two equal sides as well as two equal angles. The Greek words iso (same) and skelos are the source of the name (leg). An equilateral triangle is one in which all of its sides are equal, whereas a scalene triangle is one in which none of its sides are equal.

Follow these procedures to determine an isosceles triangle's height:

That is,

Height, h = [tex]\sqrt{a^{2}-\frac{c^{2} }{4} }[/tex]

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Answer: 25 smaller than or equal to  t

Step-by-step explanation:

Because we know that she only has enough money to make 25 t-shirts or less, our number 25 will be smaller than or equal to t.

Answer:

1. statistic 2. parameter

Step-by-step explanation:

The space among contour lines are known as Sharp slopes which is closely spaced contour lines. Gently sloping or comparatively flat regions are shown by widely spaced contour lines.

Contour lines link places with the same elevation; if they are close together (they never intersect), the terrain is steep and the elevation changes quickly over a short distance. The elevation changes gently where the contour lines are far apart, indicating a moderate slope.

The areas between the contour lines are filled with colors when using the layer tinting technique. A particular height is indicated by each color. Contours are shown as lines. A hilltop is indicated by a contour line that creates a closed loop with no other contour lines inside. Sharp slopes are indicated by closely spaced contour lines. Gently sloping or comparatively flat regions are shown by widely spaced contour lines.

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Answer:

the answer it's No, it is not proportional because 2.3 over 9.2 does not equal 13.6 over 3.4.

Answer: The answer is C!

Step-by-step explanation:

The inequality x² + 8x - 238 <= 0 represents the situation in which the area of the cake is at least 254 square inches.

The width of the cake is 4 inches more than the width of the photo, so the width of the cake can be represented by the expression x+4.

The length of the cake is two times its width, so the length of the cake can be represented by the expression 2(x+4).

The area of the cake is the product of its length and width, so it can be represented by the expression (x+4)(2(x+4)).

To represent the situation in which the area of the cake is at least 254 square inches, we can set the expression for the area equal to 254 and solve for x:

(x+4)(2(x+4)) >= 254

2x² + 16x + 16 >= 254

x² + 8x - 238 <= 0

The inequality x² + 8x - 238 <= 0 represents the situation in which the area of the cake is at least 254 square inches.

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