The question is In the image

Answer: The distributive property of multiplication over addition that equals seven is:

2(3.5) + 2(0.5) = 7

Step-by-step explanation:

for example, let's find the 7.25% of "x"

[tex]\begin{array}{|c|ll} \cline{1-1} \textit{\textit{\LARGE a}\% of \textit{\LARGE b}}\\ \cline{1-1} \\ \left( \cfrac{\textit{\LARGE a}}{100} \right)\cdot \textit{\LARGE b} \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{7.25\% of x}}{\left( \cfrac{7.25}{100} \right)x}\implies \stackrel{ \textit{in decimal form} }{\text{\LARGE 0.0725}}\times x\implies 0.0725x[/tex]

If you randomly draw a marble from a bag, record its color, and then replace it.  the experimental probability of drawing a red marble on the next trial is 17/20, 0.85.

The experimental probability of drawing a red marble on the next trial is equal to the number of times a red marble was drawn out of the total number of trials, assuming that each trial is independent and the probabilities do not change.

Since a red marble was drawn 17 out of 20 times, the experimental probability of drawing a red marble on the next trial is:

17/20 = 0.85 = 85%

Therefore, the experimental probability of drawing a red marble on the next trial is 17/20, 0.85, or 85%.

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If 107 people attend a concert, 47 adults and 60 children went to concert using substitution method.

Given,

Let A be the quantity of tickets sold to adults.

Let C be the number of tickets sold to children.

Tickets for adults cost $3.25

Tickets for children cost $2.75

Equation,

3.25A + 2.75C = 317.75

And,

107 people attend a concert.

A + C = 107

Now using the substitution method,

C = 107 - A

Substituting value of C in equation 3.25A + 2.75C = 317.75,

3.25A + 2.75(107 - A) = 317.75

3.25A + 294.25 - 2.75A = 317.75

3.25A - 2.75A = 317.75 - 294.25

0.5A = 23.5

A = [tex]\frac{23.5}{0.5}[/tex]

A = 47

Substituting the value of A in equation C = 107 - A,

C = 107 - 47

C = 60

If 107 people attend a concert, 47 adults and 60 children went to concert.

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the value of p is 3/2, the value of q is 3t, and the value of r is 2/9.with  the sum of the first n terms of the arithmetic series formula we are able to solve it

what is arithmetic series  ?

An arithmetic series is a series of numbers in which each term is obtained by adding a fixed number to the preceding term (known as the common difference). The sum of the terms in an arithmetic series can be found by multiplying the average of the first and last

In the given question,

We know that the first term of the arithmetic series is given by (2t+1) and the common difference is 3. Therefore, the nth term can be written as:

aₙ = a_1 + (n-1)d

(14r - 5) = (2t + 1) + (n-1)3

14r - 5 = 2t + 1 + 3n - 3

14r - 4 = 2t + 3n

7r - 2 = t + (3/2)n --------(1)

Now, we need to find the values of p, q, and r for the sum of the first n terms of the series, which is given by:

Sₙ = (n/2)[2a_1 + (n-1)d]

Sₙ = (n/2)[2(2t+1) + (n-1)3]

Sₙ = n(3n+4t+2)/2

We can simplify this expression by factoring out a 2 from the numerator:

Sₙ = n(3n+4t+2)/2 = (2n/2)(3n+4t+2)/2

Sₙ = (n/2)(3n+4t+2) = (3/2)n² + 2tn + n

Now, we need to write this expression in the form p(qt-1). To do this, we need to factor out (3/2):

Sₙ = (3/2)(n² + 4/3 tₙ + 2/3 n)

Sₙ = (3/2)[n² + 4/3 tₙ + (2/9)(3n)]

Sₙ = (3/2)[(n + (2/3)t)² - (4/9)t² + (2/9)n]

Sₙ = (3/2)[(n + (2/3)t)² - (4/9)t² + (2/9)n + (4/9)t² - (4/3)tₙ + (4/3)tₙ]

Sₙ = (3/2)[(n + (2/3)t)² - (4/9)t² + (2/9)n + (4/3)tₙ]

Sₙ = (3/2)[(n + (2/3)t)² - (4/9)t² + (2/9)(3t*n)]

Now we can see that p=3/2, q=3t, and r=2/9. Therefore, the value of p is 3/2, the value of q is 3t, and the value of r is 2/9.

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For the function y=5 cos {x-(π/6)}-1

a) To find the average rate of change, evaluate the function at x = (2π)/3 and x = π/3, and then take the difference between the two values and divide by the difference between the two x-values:

Average rate of change = (y(2π/3) - y(π/3)) / ((2π/3) - (π/3))

First, find y(2π/3) and y(π/3).

y(2π/3) = 5 cos((2π/3) - (π/6)) - 1 = 5 cos(5π/6) - 1 = -5/2 - 1 = -7/2

y(π/3) = 5 cos((π/3) - (π/6)) - 1 = 5 cos(π/6) - 1 = 5/2 - 1 = 3/2

Plugging these values into the formula:

Average rate of change = ((-7/2) - (3/2)) / ((2π/3) - (π/3))

= -5 / (π/3)

= -15/π

Therefore, the average rate of change from x = π/3 to x = (2π)/3 is -15/π.

b) To find the instantaneous rate of change at x = π/2, take the derivative of the function and evaluate it at x = π/2.

y = 5 cos(x - (π/6)) - 1

y' = -5 sin(x - (π/6))

Plugging in x = π/2:

y'(π/2) = -5 sin(π/2 - (π/6)) = -5 sin(π/3) = -5 (√3)/2

Rounding this to the nearest tenth:

y'(π/2) ≈ -4.3

Therefore, the instantaneous rate of change at x = π/2 is approximately -4.3.

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Image transcribed:

4) Consider the function y=5 cos {x-(π/6)}-1

a) Find, in exact form, the average rate of change from x= π/3 to x=(2π)/3  (A-3 marks)

b) Find, to the nearest tenth, the instantaneous rate of change at x=π/2 (A-4 marks) 2

The eccentricity (c) length is [tex]c = \sqrt{5}[/tex] and the length of the conic's straight side is 4.

[tex]\frac{x^{2} }{b^{2} } + \frac{y^{2} }{a^{2} } = 1[/tex]

We can begin by transforming the given conic equation into the standard form:

[tex]9x^2 + 4y^2 = 36[/tex]

When we divide both sides by 36, we get:

[tex]\frac{x^2}{4} + \frac{y^{2} }{9} = 1[/tex]

When we compare this to the standard form equation for an ellipse, we can see that the major axis is 2a = 6 (since [tex]a^{2}[/tex] = 9 and a = 3) and the minor axis is [tex]b^{2}[/tex] = 4 (because [tex]b^{2}[/tex] = 4 and b = 2). Thus, the eccentricity (c) length can be computed using the formula:

[tex]c^{2} = a^{2} - b^{2}[/tex]

[tex]c^{2} = 9 - 4[/tex]

c = [tex]\sqrt{5}[/tex]

To get the length of the conic's straight side, we must first determine the distance between the two vertices on the major axis. We can deduce from the equation [tex]\frac{x^2}{4} + \frac{y^{2} }{9} = 1[/tex] that We can see that the vertices' x-coordinates are 2, hence the distance between them is 4. As a result, the length of the conic's straight side is 4.

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Complete question:

Calculate the length of the eccentricity and straight side of the conic [tex]9x^{2} + 4y^{2} = 36.[/tex]

n⁴ - 2n³ - 23n² + 24n + 144 is the standard form of given zeroes.

What is a linear equation in mathematics?

A linear equation is an algebraic equation of the form y=mx+b. m is the slope and b is the y-intercept. The above is sometimes called a "linear equation in two variables" where y and x are variables.

                              A linear equation is an equation that raises a variable to the first power. ax+b = 0 is an example of a 1 variable. x is a variable and a and b are real numbers.  

Roots : -3(mult . 2), 4(mult.2)

the function is given as

     f(n) = (n + 3)² (n - 4)²

         = (n + 3) (n + 3 ) ( n - 4 ) ( n - 4)

        = (n² + 6n + 9) (n² - 8n + 16 )

        = n⁴ - 8n³ + 16n² + 6n³ - 48n² + 96n + 9n² - 72n + 1

collecting like term,

    f(n) = n⁴ - 2n³ - 23n² + 24n + 144

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After answering the presented question, we can conclude that baseball graphs going to a value of 27, and the fourth bar labelled basketball going to a value of 44.

Mathematicians use graphs to visually display or chart facts or values in order to express them coherently. A graph point usually represents a connection between two or more items. A graph, a non-linear data structure, is made up of nodes (or vertices) and edges. Glue the nodes, also known as vertices, together. This graph includes V=1, 2, 3, 5, and E=1, 2, 1, 3, 2, 4, and (2.5). (3.5). (4.5). Statistical graphs (bar graphs, pie graphs, line graphs, and so on) are graphical representations of exponential development. a logarithmic graph shaped like a triangle

The correct graph to display the given data is: a bar graph with the title favourite sport, an x axis labelled sport, and a y axis labelled number of students, with the first bar labelled tennis going to a value of 17, the second bar labelled soccer going to a value of 12, the third bar labelled baseball going to a value of 27, and the fourth bar labelled basketball going to a value of 44.

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Answer: A. tennis=17 , soccer= 12, baseball=27, basketball=44

BAR GRAPH make sure its not a histogram!!

Step-by-step explanation:

I took the test and got 100% on it!

Brandon invested $4700 at 3% interest and $1100 at 8% interest using a linear equation.

An algebraic equation of the form y=mx+b is a linear equation. m is the slant and b is the y-capture. A "linear equation in two variables" with y and x as variables is sometimes referred to as the one above.

A linear equation is one in which a variable is raised to its first power. One example of a one variable is ax+b = 0. x is a variable and an and b are genuine numbers.  

Let x represent the amount invested in the first account, which earns interest at a rate of 3%, and let y represent the amount invested in the second account, which earns interest at a rate of 8%. Since the aggregate sum contributed is $5800, we have:

x + y = 5800 The first account has earned 0.03x in interest, while the second account has earned 0.08y in interest. After one year, we have earned $229 in total interest, so we have:

We now have two equations with two unknowns: 0.03x + 0.08y = 229

We can solve for x and y using either the elimination or substitution method. x + y = 5800. In this instance, we will employ substitution.

Find a solution to the first x-equation:

x = 5800 - y

Substitute this expression for x:

0.03(5800 - y) + 0.08y = 229

174 - 0.03y + 0.08y = 229

0.05y = 55

y = 1100

Now substitute this value of y into either equation to solve for x

x + 1100 = 5800

x = 4700

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a. The chart is prepared below.

b. At the end of 4 years, Ross still owes his parents $1,576.92.

To solve this problem, we need to calculate the balance of Ross's loan at the end of each year.

The balance for each year can be calculated by subtracting the yearly payment from the balance at the beginning of the year and adding the interest earned for the year.

The interest for each year is calculated by multiplying the balance at the beginning of the year by the annual interest rate of 3.2%.

Here are the steps for calculating the balance for each year:

Year 1:

Beginning balance = $2,500.00

Interest for the year = $2,500.00 x 0.032 = $80.00

Ending balance = $2,500.00 + $80.00 - $300.00 = $2,280.00

Year 2:

Beginning balance = $2,280.00

Interest for the year = $2,280.00 x 0.032 = $72.96

Ending balance = $2,280.00 + $72.96 - $300.00 = $2,052.96

Year 3:

Beginning balance = $2,052.96

Interest for the year = $2,052.96 x 0.032 = $65.76

Ending balance = $2,052.96 + $65.76 - $300.00 = $1,818.72

Year 4:

Beginning balance = $1,818.72

Interest for the year = $1,818.72 x 0.032 = $58.20

Ending balance = $1,818.72 + $58.20 - $300.00 = $1,576.92

Here's a table that shows the details:

Year ,principal ,Interest rate, interest, Payment ,annual owing

1 $2,500.00 $80.00 $300.00              $2,280.00

2 $2,280.00 $72.96 $300.00              $2,052.96

3 $2,052.96 $65.76 $300.00               $1,818.72

4 $1,818.72         $58.20  $300.00       $1,576.92

b. At the end of 4 years, Ross still owes his parents $1,576.92.

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As x gets larger and larger, the value of y approaches zero.

The graph of [tex]y = (1/2)^x[/tex] does not have an x‑intercept.

The graph of [tex]y = (1/2)^x[/tex] does not have a vertical asymptote because there isn't a vertical line that the graph above approaches.

In Mathematics, an exponential function can be represented by using the following mathematical equation:

[tex]f(x) = a(b)^x[/tex]

Where:

Based on the information provided about this graph, an exponential function which it models is given by;

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

When x = 100, the value of y is given by;

[tex]y = (1/2)^{100}[/tex]

For the x-intercept when y = 0, we have:

[tex]0 = (1/2)^x[/tex]

By taking the ln of both sides, we have:

0 = 1 (false).

In conclusion, this exponential function [tex]y = (1/2)^x[/tex] does not have a vertical asymptote because its denominator can never be equal to zero.

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The triangle ABC is a right-angled triangle.

What is the right-angled 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.

Here, we have

Given: the points A, B, and C have the coordinates A (5, 2), B (2, -3), and C (-8, 3).

We have to show that the triangle ABC is a right-angled triangle.​

Now, we find the vectors of AB, BC & AC:

AB = (2-5)i+(-3-2)j = -3i-5j

BC = (-8-2)i+(3-(-3))j = -10i+6j

AC = (-8-5)i+(3-2)j = -13i+j

Now if the dot product of two of these vectors results in zero, it means that those vectors (representing the triangle sides) are perpendicular to each other (which means triangle ABC is a right-angled triangle)

AB.BC = (-3)(-10)+(-5)(6) = 30-30 = 0

Hence, the triangle ABC is a right-angled triangle.

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The Pythagorean Theorem describes the relationship among the three sides of a right triangle. In any right triangle, the sum of the areas of the squares formed on the legs of the triangle equals the area of the square formed on the hypotenuse: a2 + b2 = c2.

Answer:

The answer to your problem is, Right Triangle

Step-by-step explanation:

If you remember the Pythagorean Theorem describes the relationship among the three sides of a right triangle

If we can consider a hypotenuse then using formula:

a2 + b2 = c2.

Our sum of the areas of the squares formed on the legs of the triangle equals the area of the square formed on the hypotenuse.

Thus the answer to your problem is, Right Triangle

The speed of the y-coordinate at that moment is 12 units per second, and it is moving in the negative y-direction.

What is a graph?

In computer science and mathematics, a graph is a collection of vertices (also known as nodes or points) connected by edges (also known as links or lines).

We can start by taking the derivative of the equation xy = 3 with respect to time t:

x(dy/dt) + y(dx/dt) = 0

Now we can substitute the given information: when the point is at (1, 3), dx/dt = 4. Solving for dy/dt:

(1)(dy/dt) + (3)(4) = 0

dy/dt = -12/1 = -12 units per second

The negative sign indicates that the y-coordinate is decreasing.

So the speed of the y-coordinate at that moment is 12 units per second, and it is moving in the negative y-direction.

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No,  a continuous function  function f(x) exits in (-2 , 3 ) .

What does continuous function mean?

In mathematics, a continuous function is a function without discontinuities, i.e. without unexpected changes in value.

                       A function is continuous if it can be guaranteed for arbitrarily small changes by limiting the changes in the input to be small enough.

A function f(x) such that

       f(0) = -2,   f(2) = 2

f'(x) ≤ 3   ∀  in (0,2)

If f'(x) ≤ 3

then f(x) decreasing on (-2, 3 )

But her  f'(x) ≤ 3

So,  f(x) is not continuous  (-2, 3 )

So, No continuous function f(x) exits in (-2 , 3 ) .

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Answer: g (-5)

-127

Step-by-step explanation:

Answer: 125 + 25 = 150 i think is the answer

Step-by-step explanation: To evaluate g(5), substitute x = 5 into g(x)

g

(

5

)

=

5

3

+

(

5

×

5

)

×

x

=

125

+

25

=

150

The equation of the line that represents the axis of symmetry of the quadratic function y = 2x² - 16x + 15 is x = 4.

A quadratic equation is a second-degree polynomial equation in a single variable, where the variable is typically denoted by x.

The axis of symmetry of a quadratic function in standard form (y = ax² + bx + c) is a vertical line that passes through the vertex of the parabola. The x-coordinate of the vertex is given by -b/2a, so the equation of the axis of symmetry can be written as x = -b/2a.

In this case, the values of a, b, and c are given as a = 2, b = -16, and c = 15. Substituting these values into the formula for the axis of symmetry, we get:

x = -b/2a

x = -(-16)/(2*2)

x = 4

Therefore, the equation of the line that represents the axis of symmetry of the quadratic function y = 2x² - 16x + 15 is:

x = 4.

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Answer:

Step-by-step explanation:

Let's begin by assigning variables to represent the three mixed numbers. Let a be the greatest mixed number, b be the middle mixed number, and c be the least mixed number. Then we can write:

a + b + c = 18 (the sum of the three mixed numbers is 18)

a - c = 5 1/5 (the difference between the greatest and least mixed numbers is 5 1/5)

To solve for a, b, and c, we can use substitution. From the second equation, we can solve for a in terms of c:

a = c + 5 1/5

Substituting this expression for a into the first equation, we get:

(c + 5 1/5) + b + c = 18

Simplifying, we get:

2c + b = 12 4/5

Now we need to find three mixed numbers that satisfy this equation. We can start by choosing a value for c. Let's choose c = 2 1/2, which is the smallest possible value for c that will allow the mixed numbers to be non-negative. Then we can solve for b:

2c + b = 12 4/5

2(2 1/2) + b = 12 4/5

5 + b = 12 4/5

b = 7 4/5

Finally, we can solve for a using the equation a = c + 5 1/5:

a = c + 5 1/5

a = 2 1/2 + 5 1/5

a = 7 3/5

Therefore, three mixed numbers that satisfy the conditions of the problem are:

The greatest mixed number: 7 3/5

The middle mixed number: 7 4/5

The least mixed number: 2 1/2

And indeed, their sum is 18 and the difference between the greatest and least mixed numbers is 5 1/5.

The length of each side include the following:

side one = 11 cm.

side two = 7 cm.

side three = 6 cm.

side four = 15 cm.

In Mathematics and Geometry, the perimeter of a quadrilateral can be calculated by summing up all of its four (4) side lengths:

Perimeter of a quadrilateral, P = AB + BC + CD + AD

By substituting the given side lengths into the formula for the perimeter of a quadrilateral, we have the following;

39 = x + 2 + x + 6 + 2x - 4 + x² - 2x

39 = 2x + 4 + x²

x² + 2x - 39 + 4 = 0

x² + 2x - 35 = 0

x² + 7x - 5x - 35 = 0

x(x + 7) - 5(x + 7) = 0

(x + 7)(x - 5) = 0

x = 5 cm.

x+6; 5 + 6 = 11 cm.

x+2; 5 + 2 = 7 cm

2x-4; 2(5) - 4 = 6 cm.

x²-2x; 5²-2(5) = 15 cm.

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The price for apples is cheaper at quick market.

From the question, we have

Quick market:

[tex]\dfrac{1.52}{6} = \text{0.25 per apple}[/tex]

Walmart:

[tex]\dfrac{1.32}{5} = \text{0.26 per apple}[/tex]

The price for apples is cheaper at quick market.

Repetitive subtraction is the process of division. It is the multiplication operation's opposite. It is described as the process of creating equitable groups. When dividing numbers, we divide a larger number down into smaller ones such that the larger number obtained will be equal to the multiplication of the smaller numbers. One of the four fundamental mathematical operations, along with addition, subtraction, and multiplication, is division. Division is the process of dividing a larger group into smaller groups so that each group contains an equal number of things. It is a mathematical operation used for equal distribution and equal grouping.

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Answer:

C.

Step-by-step explanation:

3/8 × -7/6 × -2/5

a/b × c/d = ac/(bd)

-×- = +

+×+ = +

(a×b)×c = a×(b×c) = (a×c)×b ...

vamos começar com

(-7/6)(-2/5) = 7/6 × 2/5 = 2×7/(6×5) = 14/30

e agora

3/8 × 14/30 = 3×14/(8×30) = 42/240 = 7/40

The coordinates point of polygon A'B'C'D' are: A' (0, 0), B' (-2, 5), C' (-5, 5), and D' (-3, 0).

A polygon is a two-dimensional geometric shape that is defined by a closed path consisting of three or more straight line segments. These line segments are called sides, and the points where they meet are called vertices. Polygons can have any number of sides, although the most common polygons are those with three (triangles), four (quadrilaterals), five (pentagons), six (hexagons), and eight (octagons) sides.

To find the coordinates of A', B', C', and D', we need to apply a 180° rotation to the coordinates of A, B, C, and D.

The general formula for a 180° rotation about the origin is:

(x', y') = (-x, -y)

Using this formula, we can find the coordinates of A', B', C', and D':

A' = (-0, -0) = (0, 0)

B' = (-2, -(-5)) = (-2, 5)

C' = (-5, -(-5)) = (-5, 5)

D' = (-3, -0) = (-3, 0)

Therefore, the coordinates of polygon A'B'C'D' are:

A' (0, 0), B' (-2, 5), C' (-5, 5), and D' (-3, 0).

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Answer: If Amella started with 7/8 gallon of paint in the can and used 3/8 gallons, then the amount of paint left in the can can be found by subtracting the amount used from the amount started with:

Amount left = Amount started with - Amount used

Amount left = 7/8 - 3/8

Amount left = 4/8 or 1/2 gallon

Therefore, Amella has 1/2 gallon of paint left in the can.

Step-by-step explanation:

The area of the composite figure in the diagram given is calculated as: C. 46 square inches.

In order to find the area of the composite figure given above, it can be decomposed into a parallelogram and a trapezoid.

Therefore:

Area of the composite figure = area of parallelogram + area of trapezoid

Area of parallelogram = base * height = 7 * 5 = 35 in.²

Area of trapezoid = 1/2 * (sum of the bases) * height = 1/2 * (3 + 8) * 2

= 1/2 * 22 = 11 in.²

Area of the composite figure = 35 + 11

= 46 square inches.

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Each ticket costs $37.5 according to the calculation t = ($175 - $25)/4.

Equation is a mathematical statement that expresses two expressions as equal. It consists of two expressions separated by an equal sign (=). An equation is used to solve for a unknown value by using known values and following the rules of algebra and arithmetic. Equations can be used to solve for a single unknown, multiple unknowns, and even non-numeric values.

Given that the total cost for parking and four tickets to a baseball game is $175.00.

$25 is the parking fee.

4 tickets cost $175 - $25.

Suppose that each ticket costs t.

t =($175 - $25)/4

Each ticket costs $37.5.

The equation follows.Each ticket costs $37.5 according to the calculation t = ($175 - $25)/4.

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Answer:

G(18 , -9)

Step-by-step explanation:

        [tex]\boxed{\bf Midpoint = \left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)}[/tex]

H(-2 , 9) ⇒ [tex]x_1 = -2 \ & \ y_1=9[/tex]

     [tex]\left(\dfrac{-2+y_1}{2},\dfrac{9+y_2}{2}\right)= \left(8,0 \right)[/tex]

Compare x and y co-ordiantes,

         [tex]\dfrac{-2+x_2}{2}= 8 \ ; \ \dfrac{9+y_2}{2}=0[/tex]

Cross multiply,

          -2 + x₂ = 16         ;  9 + y₂ = 0

                x₂ = 16 +2     ;         y₂ = -9

               x₂   = 18

G(18 , -9)