Laura bought 55 shares of stock for $3.50 per share last year. She paid her broker a 1% commission. She sold the stock this week for $2 per share, and paid her broker a $10 flat fee. What were Laura’s net proceeds? Round to the nearest cent.

The equation of the curve that passes through the point (1, 8) and has the gradient function 3x² + 5x⁴ is y = x³ + x⁵ + 6

In this problem, we are given the gradient function 3x² + 5x⁴ and the point (1, 8) through which the curve passes. To find the equation of the curve, we need to integrate the gradient function and add the constant of integration. Let's start by integrating 3x² + 5x⁴:

∫(3x² + 5x⁴)dx = x³ + x⁵ + C

where C is the constant of integration.

Now we have the general equation of the curve, but we need to find the specific value of C that will give us the curve that passes through the point (1, 8). We can do this by plugging in the values of x and y into the equation:

8 = 1³ + 1⁵ + C

8 = 1 + 1 + C

C = 6

Therefore, the equation of the curve is:

y = x³ + x⁵ + 6

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The nearest percent, the percent decrease in clock cycles after optimization is approximately 87%.

Optimization is the process of improving the performance or efficiency of a system, process, or algorithm by finding the best possible solution within a given set of constraints or limitations.

The percent decrease in clock cycles after optimization can be calculated using the formula:

Percent decrease = [(original value - new value) / original value] x 100%

where the original value is the number of clock cycles required before optimization, and the new value is the number of clock cycles required after optimization.

Using the given values, we have:

Percent decrease = [(450 - 60) / 450] x 100%

= (390 / 450) x 100%

= 86.67%

Therefore, to the nearest percent, the percent decrease in clock cycles after optimization is approximately 87%.

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Answer:

Step-by-step explanation:

If the graph of the parent function is shifted 7 units up and is steeper than the parent function, which of these could represent the function? answer choices.

to get the equation of any straight line, we simply need two points off of it, let's use those two points in the picture below.

[tex](\stackrel{x_1}{3}~,~\stackrel{y_1}{7})\qquad (\stackrel{x_2}{6}~,~\stackrel{y_2}{9}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{9}-\stackrel{y1}{7}}}{\underset{\textit{\large run}} {\underset{x_2}{6}-\underset{x_1}{3}}} \implies \cfrac{ 2 }{ 3 }[/tex]

[tex]\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{7}=\stackrel{m}{ \cfrac{ 2 }{ 3 }}(x-\stackrel{x_1}{3}) \\\\\\ y-7=\cfrac{ 2 }{ 3 }x-2\implies {\Large \begin{array}{llll} y=\cfrac{ 2 }{ 3 }x+5 \end{array}}[/tex]

The simplest form obtained by the given division is (-25 - 18x^(5)z^(6) + 15x^(4)z)/(3x^(5)z^(2)) .

To divide a polynomial by a monomial, we simply divide each term in the polynomial by the monomial. So, we will divide each term in (-15xz+18x^(6)z^(7)+25x^(5)z^(2)) by (-3x^(5)z^(2)).

First, we will divide -15xz by -3x^(5)z^(2):
-15xz/(-3x^(5)z^(2)) = 5x^(-4)z^(-1)

Next, we will divide 18x^(6)z^(7) by -3x^(5)z^(2):
18x^(6)z^(7)/(-3x^(5)z^(2)) = -6x^(1)z^(5)

Finally, we will divide 25x^(5)z^(2) by -3x^(5)z^(2):
25x^(5)z^(2)/(-3x^(5)z^(2)) = -25/3

So, our final answer is:
5x^(-4)z^(-1) - 6x^(1)z^(5) - 25/3

In simplified form, this is:
(-25 - 18x^(5)z^(6) + 15x^(4)z)/(3x^(5)z^(2))

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The value of a is 576.43, when a varies directly as b and inversely as the square of c.

Given that a varies directly as b and inversely as the square of c, we can write the equation as:

a = k * (b/c²)

Where k is the constant of proportionality.

We are given that a=113 when b=7 and c=8, so we can plug these values into the equation and solve for k:

113 = k * (7/8²)

113 = k * (7/64)

k = 113 * (64/7)

k = 1036.57

Now that we know the value of k, we can plug in the new values of b and c to find a:

a = 1036.57 * (5/3²)

a = 1036.57 * (5/9)

a = 576.43

Therefore, when b=5 and c=3, a=576.43.

Round your answer to two decimal places if necessary, so the final answer is:

a = 576.43

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The EMV (Expected Monetary Value) of the gamble is calculated as follows:
EMV = (probability of return) x (value of return)

a. If the forecast is that the return will be $7M, then the EMV of the gamble is:
EMV = (0.4) x ($7M) = $2.8M
If the forecast is that the return will be $2M, then the EMV of the gamble is:
EMV = (0.6) x ($2M) = $1.2M

b. If the forecast is $7M, the range of p for which it will be optimal to choose the gamble is when the EMV of the gamble is greater than the sure thing of $5M. This can be calculated by setting the EMV of the gamble equal to $5M and solving for p:
$5M = (0.4) x ($7M) + (1-p) x ($2M)
$5M = $2.8M + $2M - $2Mp
$2.2M = $2Mp
p = 1.1

Therefore, the range of p for which it will be optimal to choose the gamble is when p > 1.1.

c. The EVII (Expected Value of Imperfect Information) is the difference between the EMV of the gamble with the forecast and the EMV of the gamble without the forecast. This can be expressed as a function of p as follows:
EVII = (p x EMV with forecast) - (1-p) x EMV without forecast
EVII = (p x ($2.8M)) - (1-p) x ($1.2M)
EVII = $2.8Mp - $1.2M + $1.2Mp
EVII = $4Mp - $1.2M

To graph this function, plot p on the x-axis and EVII on the y-axis. The slope of the line will be $4M and the y-intercept will be -$1.2M.

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Answer:

chatGPT

Step-by-step explanation:

Let's denote the speed of each car as v, and the distance that Car A travels as d. Then we can set up two equations based on the information given:

d = v * (12/60) (since Car A reaches its destination in 12 minutes)

d + 4 = v * (18/60) (since Car B travels 4 miles farther than Car A and reaches its destination in 18 minutes)

Simplifying the equations by multiplying both sides by 60 (to convert the minutes to hours) and canceling out v, we get:

12v = 60d

18v = 60d + 240

Subtracting the first equation from the second, we get:

6v = 240

Therefore:

v = 240/6 = 40

So the cars travel at a speed of 40 miles per hour.

This graph shows that Tara’s prints have the potential to be profitable, but will require a significant amount of sales to make a profit.

Profit is the difference between a firm's total revenue and total expenses. It is the amount of money a business has earned after subtracting the cost of goods sold, operating expenses and taxes from its total revenue.

The graph reveals a few key pieces of information that can be used to assess the potential profitability of Tara’s prints. Firstly, the graph shows that there is a fixed cost associated with each print, regardless of how many prints are sold. This cost is represented by the straight line at the bottom of the graph. Additionally, the graph reveals that the cost of the prints increases exponentially as more prints are sold. This means that the more prints Tara sells, the more money she makes. Lastly, the graph shows that the revenue from selling prints is significantly higher than the cost of producing them, indicating that Tara can make a profit if she is able to sell enough prints. Overall, this graph shows that Tara’s prints have the potential to be profitable, but will require a significant amount of sales to make a profit.

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LHS ≠ RHS and the equation is not an identity.

9. Simplify each expression:
a. √(1 + cos 76° / 2)
b. (sin 158.2°) / (1 + cos 158.2°)
10. Verify that each equation is an identity.
a. sin 2x / 2 sin x = cos^2 x/2 – sin^2 x/2
b. tan θ/2 = csc θ – cot θ

Answer:
9. a. √(1 + cos 76° / 2) = √(1 + 0.2419 / 2) = √(1 + 0.12095) = √(1.12095) = 1.0589
b. (sin 158.2°) / (1 + cos 158.2°) = (0.12088) / (1 + (-0.9927)) = 0.12088 / 0.0073 = 16.566
10. a. sin 2x / 2 sin x = cos^2 x/2 – sin^2 x/2
LHS = sin 2x / 2 sin x = 2 sin x cos x / 2 sin x = cos x
RHS = cos^2 x/2 – sin^2 x/2 = (cos x + sin x)(cos x - sin x) / 4 = (1)(cos x - sin x) / 4 = cos x - sin x / 4
Therefore, LHS ≠ RHS and the equation is not an identity.
b. tan θ/2 = csc θ – cot θ
LHS = tan θ/2 = sin θ/2 / cos θ/2
RHS = csc θ – cot θ = 1 / sin θ - 1 / cos θ = (cos θ - sin θ) / (sin θ cos θ)
Therefore, LHS ≠ RHS and the equation is not an identity.

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Based on the graph of this linear function, the domain and range are as follows;

Domain = {0, 100}.

Range = {450, 1200}.

In Mathematics, a domain is the set of all real numbers for which a particular function is defined.

Additionally, the vertical extent of any graph of a function represents all range values and they are always read and written from smaller to larger numerical values, and from the bottom of the graph to the top.

By critically observing the graph shown in the image attached above, we can reasonably and logically deduce the following domain and range:

Domain = {0, 100}.

Range = {450, 1200}.

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It will take 18 years for the Type A and Type B trees to be the same height.

A location in the centre of a line connecting two places is referred to as the midpoint. The midpoint of a line is located between the two reference points, which are its ends. The line that connects these two places is split in half equally at the halfway. In addition, the halfway is reached if a line is drawn to divide the line that connects these two places.

Let us suppose the number of years = y.

The height of the tree of type A is thus,

5 feet + (4 inches/year)(y)

= 5 + 4/12 y feet

= 5 + 1/3 y feet

For the type B:

2 feet + (10 inches/year)(y years)

= 2 + 10/12 y feet

= 2 + 5/6 y feet

To get the height of the two trees as equal we have:

5 + 1/3 y = 2 + 5/6 y

3 + 1/3 y = 5/6 y

3 = 1/6 y

18 = y

Hence, it will take 18 years for the Type A and Type B trees to be the same height.

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The algebraic expression represents this word description is 7(x - 10) (option D).

One way to approach this problem is to break down the phrase into its components and then use mathematical symbols to represent them.

The phrase contains the word "product," which tells us we need to multiply two quantities.

The first quantity is the number seven, and the second quantity is the difference between a number and ten.

To represent the difference between a number and ten, we can use the variable x to stand for the unknown number.

Then, the difference between x and ten can be expressed as (x - 10).

Putting it all together, the expression that represents the product of seven and the difference between a number and ten is 7(x - 10).

Hence the correct option is (D).

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Complete Question:

Which algebraic expression represents this word description?

The product of seven and the difference between a number and ten

A. 10-7x

B. 7(10 - x)

C. 7x-10

D. 7(x - 10)

The multiplicity of the zero [tex]x=1[/tex] for the function [tex]f(x)=x^2(x-1)^(4)(x+5)[/tex] is 4.


In a polynomial function, the multiplicity of a zero is the number of times that zero appears as a factor in the function. In other words, it is the exponent of the factor corresponding to that zero.

In the given function [tex]f(x)=x^2(x-1)^4(x+5)[/tex], we can see that the zero x=1 corresponds to the factor (x-1)^(4). This means that the multiplicity of the zero x=1 is 4, as it appears as a factor 4 times in the function.

Therefore, the multiplicity of the zero [tex]x=1[/tex] for the function [tex]f(x)=x^2(x-1)^(4)(x+5)[/tex] is 4.

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The volume of the right circular cylinder is approximately 14,864.77 cubic meters.

What is the right circular cylinder?

A right circular cylinder is a three-dimensional solid shape that consists of a circular base and a curved side that is perpendicular to the base. The term "right" refers to the fact that the axis of the cylinder is perpendicular to the base, and the term "circular" refers to the shape of the base, which is a circle.

The formula for the volume of a right circular cylinder is V = πr^2h, where r is the radius of the base and h is the height of the cylinder. The formula for the surface area of a right circular cylinder is A = 2πrh + 2πr^2, where r is the radius of the base and h is the height of the cylinder.

Right circular cylinders are commonly used in engineering, architecture, and everyday objects such as cans, pipes, and containers.

The formula for the volume of a right circular cylinder is [tex]V = \pi r^2h[/tex], where r is the radius of the base and h is the height of the cylinder.

In this case, the radius is 17.2 meters and the height is 15.3 meters.

Plugging in these values, we get:

[tex]V = \pi (17.2)^2(15.3)[/tex]

V ≈ 14,864.77 cubic meters

Therefore, the volume of the right circular cylinder is approximately 14,864.77 cubic meters.

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The value of the largest rectangular parallelopiped that can be inscribed in the ellipsoid is (2a)*(2b)*(2c).

To find the value of the largest rectangular parallelopiped that can be inscribed in the ellipsoid, we need to use the formula for the volume of a parallelopiped. The formula is:

V = l*w*h

Where V is the volume, l is the length, w is the width, and h is the height.

Since we are looking for the largest rectangular parallelopiped, we need to maximize the volume. This can be done by finding the maximum values of the length, width, and height.

The maximum values of the length, width, and height can be found by using the semi-axes of the ellipsoid. The semi-axes of the ellipsoid are given by:

a = √(x^2/a^2 + y^2/b^2 + z^2/c^2)

Where a, b, and c are the semi-axes of the ellipsoid, and x, y, and z are the coordinates of the point on the surface of the ellipsoid.

The maximum values of the length, width, and height can be found by setting the derivatives of the volume with respect to x, y, and z to zero:

∂V/∂x = 0

∂V/∂y = 0

∂V/∂z = 0

Solving these equations will give us the maximum values of the length, width, and height. Once we have these values, we can plug them into the formula for the volume of a parallelopiped to find the largest volume.

The largest volume of the rectangular parallelopiped that can be inscribed in the ellipsoid is given by:

V = (2a)*(2b)*(2c)

Where a, b, and c are the semi-axes of the ellipsoid.

Therefore, the value of the largest rectangular parallelopiped that can be inscribed in the ellipsoid is (2a)*(2b)*(2c).

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Of these 12 individuals: Expected number of survivors ≈ 4.

Based on the given information, the chance of survival for the 12 people admitted to the hospital who tested positive for the disease is 30%.

If the chance of survival for a person who tests positive for the disease is 30%, and 12 people have been admitted and tested positive for the disease, then the expected number of survivors is 30% of 12, which is 3.6.

However, since it is not possible for 0.6 of a person to survive, we can round this number to the nearest whole number, which is 4.

Therefore, we can expect that 4 out of the 12 people who tested positive for the disease will survive. This can be written as:

Expected number of survivors = (Chance of survival) × (Number of people who tested positive) = (0.30) × (12) = 3.6 ≈ 4
So, the answer is 4.

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Answer:

597 x 89 = 53133.

53133 beads

Step-by-step explanation:

Answer: To rewrite the function to show how quickly the weeds grow each day, we need to use the fact that there are 7 days in a week. Let's divide both sides of the original function by 7 to get:

f(x/7) = 3(1.05)^(x/7)

This function gives the amount of weed growth after x/7 weeks, which is equivalent to x days. To find the daily weed growth rate, we need to take the derivative of this function with respect to x and evaluate it at x=0:

f'(0) = (d/dx) 3(1.05)^(x/7)

Using the chain rule, we get:

f'(0) = 3ln(1.05)/7 ≈ 0.00797

This means that the weeds grow at a daily rate of approximately 0.797%, or 0.00797 as a decimal.

Step-by-step explanation:

Answer:

15, 15

Step-by-step explanation:

Since this triangle is a right triangle has it's other two angles at 45 degrees, (180-90-45=45 for the last angle) we know that it's a 45-45-90 triangle and can use the rules in the image below to solve the other two sides:

Because the hypotenuse of this triangle is 15[tex]\sqrt{2}[/tex], then we know that the other two side lengths are 15[tex]\sqrt{2}[/tex]/[tex]\sqrt{2}[/tex], or in this case, just 15.

Answer: 15, 15

Step-by-step explanation:

It is a 45, 45, 90 triangle. This means that both of the legs have the same lengths and the hypotenuse is sqrt2 times the length of one of the legs.

Since sqrt2 is irrational, it is easy to look at the coefficient of it. Since the coefficient is 15, the lengths of the sides are also 15.

The number of liters in each container is 8.24 liters.

Division is a mathematical operation, in which we distribute the number in equal parts, the number on the upper side is the total quantity and the number on the bottom side is equal parts of numbers which have to be distributed.

We denote division by '÷' this symbol.

Destiny combined a total of 8.27 + 6.65 = 14.92 liters of paint to make purple paint.

She poured this paint equally into 2 containers, which means each container has half of the total amount of paint:

= 14.92 / 2

= 7.46 liters

However, Destiny also had 1.56 liters of paint left over that she didn't use.

To divide the remaining paint equally between the two containers, each container gets half of the remaining paint:

= 1.56 / 2

= 0.78 liters

Therefore, each container has 7.46 + 0.78 = 8.24 liters of paint.

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The similar triangles in increasing order are ΔEHF ~ ΔFHG ~ ΔEFG

The value of x = 13.5

Two triangles are similar if and only if:

Therefore, from the diagram, we can conclude that the similar triangles in increasing order of size is given as:

ΔEHF ~ ΔFHG ~ ΔEFG

Using the altitude rule, we will have the following proportion:

6/9 = 9/x

6x = 81

x = 13.5

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Answer:

x = 15°

Step-by-step explanation:

the inscribed angle APB is half the measure of the central angle AOB , so

x = [tex]\frac{1}{2}[/tex] × 30° = 15°

The caterer was able to make 72 (1)/(3) size pieces from the 24 sandwiches.

To find this answer, we can use the following equation:

24 sandwiches × 3 (1)/(3) size pieces per sandwich = 72 (1)/(3) size pieces

This equation tells us that for every sandwich, the caterer was able to make 3 (1)/(3) size pieces. By multiplying the number of sandwiches by the number of (1)/(3) size pieces per sandwich, we can find the total number of (1)/(3) size pieces the caterer was able to make.

Therefore, the caterer was able to make 72 (1)/(3) size pieces from the 24 sandwiches.

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In statistics, a linear relationship is a connection that runs in a straight line between two variables (or linear association).

Both a mathematical representation of a linear relationship, in which the dependent variable is produced by multiplying the independent variable by the slope coefficient and a constant, and a graphic representation of a linear relationship, in which the variable and constant are connected by a straight line.

A polynomial or non-linear (curved) relationship can be contrasted with a linear relationship.

A linear relationship is one that mathematically answers the question:

y = mx + b

Where,

m = slope

b = y-intercept

"X" and "Y" are two variables in this equation.

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Area of the parallelogram, using the area formula = 851 in².

The area of a parallelogram, which is expressed in square units, is the total number of unit squares that may fit inside of it (like cm², m², in² etc). It is the region that a two-dimensional parallelogram encloses or encompasses.

Hence, the following formula can be used to determine a parallelogram's area:

Area of a parallelogram is equal to b × h square units, where b is the base's length and h is its height.

Here in the question,

b = 37in.

h = 23in.

Area = b × h

= 37 × 23

= 851 in²

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Answer:

-4.4166

Step-by-step explanation:

-23/3+(-11/2)+35/4

-24/3-11/2+35/4

use bodmas

addition first then subtract and u find your LCM.

11/2+35/4=57/4 or 14 1/4

LCM=4

-23/3-57/4=-263/12 or -21 11/12.

LCM=12

final answer= -21 11/12.

The coordinates of the fourth vertex of the rectangle are (2, 5).

To find the fourth vertex of the rectangle, we need to first determine which sides of the triangle are opposite and parallel to each other. We can see that the two points (-6,3) and (-6,5) lie on a vertical line, which means they are opposite and parallel to each other.

Similarly, the two points (-6,3) and (2,3) lie on a horizontal line, which means they are also opposite and parallel to each other. The fourth vertex of the rectangle must lie at the intersection of these two lines.

The point (-6,3) is the lower left corner of the rectangle, and the point (2,3) is the lower right corner. The distance between these two points is 2 - (-6) = 8. Since the opposite sides of a rectangle are congruent, the distance between the other two corners (-6,5) and the fourth vertex must also be 8.

Since the two points (-6,3) and (-6,5) are on a vertical line, the y-coordinate of the fourth vertex must also be 5. We can find the x-coordinate by moving 8 units to the right of (-6,3), since the rectangle is parallel to the x-axis. Thus, the fourth vertex must be located at the point:

(x,y) = (-6+8, 5)

= (2, 5)

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Lina hops linearly and Kavier hops exponentially

The equations of the functions are Lina: y = 2x + 3 and Kavier: y = 3(2)^x

Linear pattern

The table of values represent the given parameter

For Lina's distance from the tree, we can see that

As the hop increases by 1, the distance covered increases constantly by 2 feet

This represents a linear function

Exponential pattern

For Kavier's distance from the tree, we can see that

As the hop increases by 1, the distance covered doubles

This represents an exponential function

Lina Linear Function

From the question, we have the following parameters that can be used in our computation:

(0, 3) and (1, 5)

A linear function is represented as

y = mx + c

Where

c = y when x = 0

So, we have

y = mx + 3

Using the points, we have

m + 3 = 5

m = 2

So, we have

y = 2x + 3

Kavier Exponential Function

Here, we have

(0, 3) and (1, 6)

An exponential function is represented as

y = ab^x

Where

a = y when x = 0

So, we have

y = 3b^x

Using the points, we have

3b = 6

b = 2

So, we have

y = 3(2)^x

Hence, Kavier's equation is y = 3(2)^x

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Answer: 15

Step-by-step explanation:

Answer:

[tex]\boxed{n= 15}[/tex]

Step-by-step explanation:

we can use the following formula:

[tex]\alpha = \frac{180(n-2)}{n}[/tex]

This formula helps to calculate the sum of the interior angles of a polygon, where:

we have the value of the interior angle, and we need "n", so we will solve for "n":

[tex]156= \frac{180(n-2)}{n}\\156n=\frac{180(n-2) \not{n}}{\not{n}}\\156n= 180n-360\\-24n=-360\\n= 15[/tex]

With this we have solved the exercise.

[tex]\text{-B$\mathfrak{randon}$VN}[/tex]