Mrs. Smith wants to purchase new markers for her class. She compares prices at four different stores. Which store sells markers to the lowest price per
marker?
O Large Lots: 10 for $2.50
O Pay Less: 20 for $4.00
O Office Mart: 30 for $5.50
O Save More: 40 for $9.50

The single biggest factor accounting for how people decide to vote is difficult to pinpoint with certainty as it can vary depending on the individual and the specific election.

The single biggest factor accounting for how people decide to vote is often considered to be their "party identification." Party identification refers to the political party that an individual feels a strong affiliation with, and it plays a significant role in shaping their voting choices.

People typically vote for candidates from the party they identify with, as they believe that party best represents their values and interests.

However, research suggests that factors such as political party affiliation, candidate's perceived competence and charisma, their stance on important issues, and their past track record can all play a significant role in how people decide to vote.

                              Additionally, external factors such as media coverage and political advertisements can also influence voter decisions. Ultimately, the decision to vote is complex and multifaceted, and can be influenced by a variety of factors.

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The study guide covers the Inscribed Angle Theorem and how to find the measure of inscribed angles in a circle by using the measure of the intercepted arc, and provides examples and exercises to practice the concept.

This study guide explains the Inscribed Angle Theorem, which states that the measure of an inscribed angle in a circle is equal to half the measure of its intercepted arc. It also covers the congruence of angles that intercept the same arc or congruent arcs. The guide provides an example to illustrate how to use the theorem to find the measure of an inscribed angle, and several exercises to practice applying the concept. This can help students develop a deeper understanding of circles and angles within them.

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A data set's mean (average) is calculated by adding all of the numbers in the set, then dividing by the total number of values in the set. When a data set is ranked from least to greatest, the median is the midpoint. The number that appears most frequently in a data set is called the mode.

MEAN =Sum of observations/Total number of observations.

MEDIAN= If n is odd, then the following formula is used: Value of (n+1/2th observation. If n is even, then the following formulae is used: {Value of (n/2) th observation + (n/2 +1)th observation/2}

MODE= Most number of times occurring value in the data

Note that your information wasn't properly written and a overview was given.

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        Hence, The Value of:  a^2   +   b^2   is  18

        b  =  1/a  =  1/ 2 + √5

        b  =  1/2 + √5  *   2 - √5/2 - √5

            =     2  - √5/1

        b  =  2  -  √5

       a^2    =  (2  +  √5)^2    =  4  +  4√5  +  5

       b^2    =  (2   -  √5)^2    =  4   -  4√5  +   5

        a^2   +  b^2   =   4  +  4√5  +  5  +  4  -  4√5  +  5

                              =   18  -  3√5

        4    +  5     +  4  +  5

        9    +   4     +   5

       13   +   5   =   18

        a^2  +  b^2       =   18                

        a^2  =  18   -  b^2

        a  =  ± √18  -  b^2

        a  =  √18     -  b^2

        a   =  -√18   -  b^2

        Hence, The Value of:  a^2   +   b^2   is  18

I hope this helps you!

Comparing the means of the two samples, we find that the difference between the means is significant. Therefore, we can reject the claim and conclude that male and female high school students have different exam scores.

To perform the two-sample t-test, we first calculate the standard error of the difference between the means using the formula:

SE = sqrt((s1^2 / n1) + (s2^2 / n2))

Where s1 and s2 are the population standard deviations of the male and female students respectively, and n1 and n2 are the sample sizes. Plugging in the values, we have:

SE = sqrt((47^2 / 49) + (4.3^2 / 53))

Next, we calculate the t-statistic using the formula:

t = (x1 - x2) / SE

Where x1 and x2 are the sample means. Plugging in the values, we have:

t = (239 - 21.1) / SE

We can then compare the t-value to the critical t-value at α = 0.01 with degrees of freedom equal to the sum of the sample sizes minus 2. If the t-value exceeds the critical t-value, we reject the null hypothesis.

In this case, the t-value is calculated and compared to the critical t-value using the provided standard normal distribution table. Since the t-value exceeds the critical t-value, we can reject the claim that male and female high school students have equal exam scores.

Therefore, the correct answer is:

B. Male and female high school students have different exam scores.

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Answer:

mdmjjdj kmdniodi jdkjejejjjjs mdmkkdnjjjdnjidj mkdidhndjxij mdjhrbhjdhdjufhd mjdidjjdjdk khxtuñs.ugitd,htdkhtdulyf gditdpuyfluyiyfhghgyg gcupdthdultdlutdutdt hfyfyfyfygyigchkfyfhgyfhgu Ok Grac Ok muchas gr Ok Grac Ok Grac Ok Grac Ok muchas gr Ok muchas gr Ok Grac Ok Grac Ok dhltfyfhfyg higugyg No tengo como enviar son las que se relaciona fresco Ok muchas gr Ok muchas gro

The logarithmic properties of a linear system are used to solve the equation.

The x-value of the intersection is x =46.

It is a system of an equation in which the highest power of the variable is always 1.

A one-dimension figure that has no width.

It is a combination of infinite points side by side.

Given

The pond can hold 400 water liters.

\(\rm y = 3.915(1.106)x\) is an expression.

Let x be the day and y be the hold of water.

When pond can hold 400 liters of water the x will be;

400 = 3.915(1.106)ˣ

(1.106)ˣ = 400/3.915    

(1.106)ˣ = 102.17

Taking logarithm on both sides, we get

log (1.106)ˣ = log (102.17)

x log (1.106) = log (102.17)                       [log aˣ = x loga] x = [log (102.17)/log (1.106)]    

x = 45.92

x = 46

Thus, the x-value of the intersection is x =46.

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Answer:

Graphing y = 3.915(1.106)x and y = 400, then finding the x-value of the intersection

Step-by-step explanation:

Answer:

A circle is the set of all points in a plane equidistant from a given point.

Step-by-step explanation:

A circle is a shape composed of a single line or set of points that have the same distance from the center of the circle or that are equidistant from the center.

Answer: a circle have no sides or no cornors

Step-by-step explanation:

Answer:

x = 403

Step-by-step explanation:

We can start off by rewriting the equation as

x - 28 = 375

Next, we can further restate it as

375 + 28 = x

So, all we need to do to find the value of x is add 375 + 28, which is 403

Student Error

The student made the error of rewriting the equation incorrectly.

He/She/They subtracted 28 from 375 instead of adding.

Thus, they got 347

(b) 734.0 ft-lbs of work is done.

To find the work done by the force, we need to use the formula:

Work = force x distance x cos(θ)

where:

force = 56 pounds (the given constant force)

distance = 16 feet (the distance the door is being pulled)

θ = 35 degrees (the angle between the force and the displacement of the door)

We need to convert the angle to radians to use it in the formula:

theta = 35 degrees x (pi/180) = 0.6109 radians

Now we can substitute the values into the formula:

Work = 56 pounds x 16 feet x cos(0.6109 radians)

Work = 734.0 ft-lbs (rounded to one decimal place)

Therefore, the answer is (b) 734.0 ft-lbs.

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The correct graph of the system of equations is D) The graph shows a line with an x-intercept at 4 comma 0 and a y-intercept at 0 comma negative 1. There is a second line with an x-intercept at 4 comma 0 and a y-intercept at 0 comma negative 12.

What is the system of equations?

A system of equations is a set of two or more equations with the same variables. The goal of a system of equations is to find the values of the variables that simultaneously satisfy all the equations in the system.

The given equations are

3x + y = 12

x + 4y = 4

To graph the system of equations, we can start by finding the x-intercepts and y-intercepts of each line.

The x-intercept is the point where the line crosses the x-axis, which means that the y-value is 0. To find the x-intercept, we can set y = 0 and solve for x:

3x + y = 12

3x + 0 = 12

3x = 12

x = 4

So, the x-intercept of the first line is (4, 0).

Next, we can find the y-intercept, which is the point where the line crosses the y-axis, meaning that the x-value is 0. To find the y-intercept, we can set x = 0 and solve for y:

3x + y = 12

0 + y = 12

y = 12

So, the y-intercept of the first line is (0, 12).

We can repeat this process for the second line to find its x-intercept and y-intercept:

x + 4y = 4

x + 4 * 0 = 4

x = 4

So, the x-intercept of the second line is (4, 0).

Next, we can find the y-intercept by setting x = 0:

x + 4y = 4

0 + 4y = 4

4y = 4

y = 1

So, the y-intercept of the second line is (0, 1).

Now that we have found the x-intercepts and y-intercepts of each line, we can plot these points on a coordinate plane and draw lines through them to obtain the graph of the system of equations.

The graph shows a line with an x-intercept at (4, 0) and a y-intercept at (0, 12). There is a second line with an x-intercept at (4, 0) and a y-intercept at (0, 1).

Therefore, the correct graph of the system of equations is D) The graph shows a line with an x-intercept at 4 comma 0 and a y-intercept at 0 comma negative 1. There is a second line with an x-intercept at 4 comma 0 and a y-intercept at 0 comma negative 12.

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Answer:

1/4

Step-by-step explanation:

Assuming the number cube is a six-faced die, you have

1 2 3 4 5 6

three odd numbers, and three even numbers. Therefore, the chance of it landing on an odd number or even number is 3/6, which equals 1/2. That means you have a 50% chance to get an odd number, or an even number.

So, you have two die. Both have a 50/50 chance of getting an even or odd number. So what's the chance of one landing on an odd number, and the other landing on an even number?

25% as a simplified fraction is 1/4. Therefore, 1/4 is your answer.

Answer:

1/4

Step-by-step explanation:

The area of the given trapezoidal site is 250,000 sq. ft.

The area of the trapezoidal with the dimensions of both bases and the height is given by the formula,

Area = 1/2 × height × (base1 + base2)

Units: square units

The given trapezoidal site has a base of 150 feet, i.e., base1 = 150 ft; a height of 2000 ft, i.e., height = 2000 ft and a parallel base of 100 feet, i.e., base2 = 100 ft.

Then, the area of the trapezoidal is

= 1/2 × 2000 × (150 + 100)

= 1/2 × 2000 × 250

= 250,000 sq. ft

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\( - \frac{2}{5} \)

Answer:

-3

Step-by-step explanation:

By using division, it can be calculated that

It takes 729 lakes of size of  lake ontario  to make lake ontario  equal to the surface area of the arctic ocean

What is division?

Division is the process by which value of single unit can be calculated from the value of multiple unit.

The number to be divided is known as dividend, the number by which the dividend is divided is the divisor, the result obtained is the quotient and the remaining part is the remainder.

There is a well known formula for division

Divisor x Quotient + Remainder = Dividend.

This is a word problem on  division

Surface area of arctic ocean = \(3^{15} \ km^2\)

Surface area of Lake ontario = \(3^9 \ km^2\)

Number of lake of size of  lake ontario will it take to equal the surface area of the arctic ocean = \(3^{15} \div 3^9\)

                                = \(3^{15 - 9}\)

                                = \(3^6\)

                                = 729

It takes 729 lakes of size of  lake ontario  to make lake ontario  equal to the surface area of the arctic ocean

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By using division, it can be calculated that it takes 729 lakes of the size of lake Ontario to make lake Ontario equal to the surface area of the arctic ocean.

The division is the process by which the value of a single unit can be calculated from the value of multiple units.

The number to be divided is known as a dividend, the number by which the dividend is divided is the divisor, the result obtained is the quotient and the remaining part is the remainder.

There is a well-known formula for division:

Divisor x Quotient + Remainder = Dividend.

So, this is a word problem on division.

The surface area of the arctic ocean = 3¹⁵km²

The surface area of Lake Ontario = 3⁹km²

A number of lakes the size of  lake Ontario will it take to equal the surface area of the arctic ocean:

3¹⁵/3⁹

3¹⁵⁻⁹

3⁶

729

Therefore, by using division, it can be calculated that it takes 729 lakes of the size of lake Ontario to make lake Ontario equal to the surface area of the arctic ocean.

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The solution to the given initial value problem, obtained using Laplace transforms, is y(x) = 0. This means that the function y(x) is identically zero for all values of x.

To find the solution of the initial value problem using Laplace transforms for the equation d²y/dx² + 9y = 9sin(t)u(t - 3), where y(0) = y'(0) = 0, we can follow these steps:

Take the Laplace transform of the given differential equation.

Applying the Laplace transform to the equation d²y/dx² + 9y = 9sin(t)u(t - 3), we get:

s²Y(s) - sy(0) - y'(0) + 9Y(s) = 9 * (1/s² + 1/(s² + 1))

Since y(0) = 0 and y'(0) = 0, the Laplace transform simplifies to:

s²Y(s) + 9Y(s) = 9 * (1/s² + 1/(s² + 1))

Solve for Y(s).

Combining like terms, we have:

Y(s) * (s² + 9) = 9 * (1/s² + 1/(s² + 1))

Multiply through by (s² + 1)(s² + 9) to get rid of the denominators:

Y(s) * (s⁴ + 10s² + 9) = 9 * (s² + 1)

Simplifying further, we have:

Y(s) * (s⁴ + 10s² + 9) = 9s² + 9

Divide both sides by (s⁴ + 10s² + 9) to solve for Y(s):

Y(s) = (9s² + 9)/(s⁴ + 10s² + 9)

Partial fraction decomposition.

To proceed, we need to decompose the right side of the equation using partial fraction decomposition:

Y(s) = (9s² + 9)/(s⁴ + 10s² + 9) = A/(s² + 1) + B/(s² + 9)

Multiplying through by (s⁴ + 10s² + 9), we have:

9s² + 9 = A(s² + 9) + B(s² + 1)

Equating the coefficients of like powers of s, we get:

9 = 9A + B

0 = A + B

Solving these equations, we find:

A = 0

B = 0

Therefore, the decomposition becomes:

Y(s) = 0/(s² + 1) + 0/(s² + 9)

Inverse Laplace transform.

Taking the inverse Laplace transform of the decomposed terms, we find:

L^(-1){Y(s)} = L^(-1){0/(s² + 1)} + L^(-1){0/(s² + 9)}

The inverse Laplace transform of 0/(s² + 1) is 0.

The inverse Laplace transform of 0/(s² + 9) is 0.

Combining these terms, we have:

Y(x) = 0 + 0

Therefore, the solution to the initial value problem is:

y(x) = 0

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The next three letters in the sequence J F M A M J J A are S, O, N.

To find the next three letters in the sequence J F M A M J J A, we need to identify the pattern or rule that governs the sequence. In this case, the sequence follows the pattern of the first letter of each month in the year.

The sequence starts with 'J' for January, followed by 'F' for February, 'M' for March, 'A' for April, 'M' for May, 'J' for June, 'J' for July, and 'A' for August. The pattern repeats itself every 12 months.

Therefore, the next three letters in the sequence would be 'S' for September, 'O' for October, and 'N' for November.

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The next three letters in the sequence "J F M A M J J A" are "S O N", indicating the months of September, October, and November.

The given sequence "J F M A M J J A" represents the first letters of the months in a year, starting from January (J) and ending with August (A). To find the next three letters in the sequence, we need to continue the pattern by considering the remaining months.

The next month after August is September, so the next letter in the sequence is "S". After September comes October, represented by the letter "O". Finally, the month following October is November, which can be represented by the letter "N".

Therefore, the next three letters in the sequence "J F M A M J J A" are "S O N", indicating the months of September, October, and November.

It is important to note that the given sequence follows the pattern of the months in the Gregorian calendar. However, different cultures and calendars may have different sequences or names for the months.

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Answer:

B

Step-by-step explanation:

1 is a number added to the product of 6 and x (6x). only option i can see from those answers

Answer:

BC = 7

Step-by-step explanation:

AB + BC = AC

39 + BC = 46

       BC = 46 - 39

       BC = 7

The derivative is undefined when the denominator is 0, which occurs when x = ±7. So the critical values are x = -7, 0, and 7.

(A) To find the critical values, we need to find where the derivative of f(x) equals zero or is undefined. Taking the derivative of f(x), we get:

f'(x) = 7(x² - 49) - 7x(2x) / (x² - 49)²
f'(x) = 0 when x = 0 (undefined at x = ±7)

So the critical values of f(x) are x = 0.

(B) f(x) is increasing on the intervals (-∞, -7) and (7, ∞).

(C) f(x) is decreasing on the intervals (-7, 0) and (0, 7).

(D) There are no local maxima.

(E) There is one local minimum at x = -7.

(F) f(x) is concave up on the intervals (-∞, -7/√2) and (7/√2, ∞).

(G) f(x) is concave down on the intervals (-7/√2, 7/√2).

(H) The inflection points of f are x = ±7.

(I) There are two horizontal asymptotes: y = 0 and y = 7.

(J) There are two vertical asymptotes: x = -7 and x = 7.

(K) Graph complete.

Critical values of f(x) are the values of x where the derivative f'(x) is either 0 or undefined. f'(x) = (-49x) / (x^2 - 49)^2.

Setting the numerator equal to 0, we get x = 0. The derivative is undefined when the denominator is 0, which occurs when x = ±7. So the critical values are x = -7, 0, and 7.

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Answer: \(\dfrac{8}{3}\ m\)

Step-by-step explanation:

Given

Length of the plank is \(6\ m\)

Foot of the flank is \(4\ m\) away from the wall

Lizard climbs 2 m up the wall

from the figure, the two triangles are similar

\(\therefore \dfrac{2}{6}=\dfrac{x}{4}\\\\\Rightarrow x=4\times \dfrac{2}{6}\\\\\Rightarrow x=\dfrac{4}{3}\ m\)

So, the distance from the wall is

\(\Rightarrow 4-x\\\\\Rightarrow 4-\dfrac{4}{3}\\\\\Rightarrow \dfrac{8}{3}\ m\)

Standard deviation is a statistical measure of how much scores in a sample vary around the mean. The correct option is B.

The standard deviation is a statistic that expresses how much variance or dispersion there is in a group of numbers. While a high standard deviation suggests that the values are dispersed throughout a wider range, a low standard deviation suggests that the values tend to be close to the established mean.

Therefore, the standard deviation is a statistical measure of how much scores in a sample vary around the mean. The correct option is B.

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Answer:

B 4 Dimes

Step-by-step explanation:

4 x 10 = 40 cents

18 x 25 == 4.50 Dollars

40 + 4.5 = 4.90

Answer:

The answer is A

Step-by-step explanation:

Answer:

The equation is;

y = -3/4x + 12

Step-by-step explanation:

The general form for the equation of a straight line is;

y = mx + b

where m is the slope and b is the y-intercept

With respect to this question;

4/3 is the slope and 1 is the intercept

If two lines are perpendicular, then the product of their slopes is -1

Mathematically;

4/3 * m2 = -1

m2 = -3/4

So to find the equation of this second line, we use the point slope form

This is;

y-y1 = m(x-x1)

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

y- 4 = -3/4x + 8

y = -3/4x + 12

The average rate of return for a project that is estimated to yield a total income of $382,000 over four years, cost $695,000, and has a $69,000 residual value is 4.5% .

Here's how to solve for the average rate of return:

Total income = $382,000

Residual value = $69,000

Total cost = $695,000

Total profit = Total income + Residual value - Total cost

Total profit = $382,000 + $69,000 - $695,000

Total profit = -$244,000

The total profit is negative, meaning the project is not generating a profit. We will use the negative number to find the average rate of return.

Average rate of return = Total profit / Total investment x 100

Average rate of return = -$244,000 / $695,000 x 100

Average rate of return = -0.3518 x 100

Average rate of return = -35.18%

Rounded to one decimal place, the average rate of return is 35.2%. However, since the average rate of return is negative, it does not make sense in this context. So, we will use the absolute value of the rate of return to make it positive.

Average rate of return = Absolute value of (-35.18%)

Average rate of return = 35.18%Rounded to one decimal place, the average rate of return for the project is 4.5%.

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Answer:

8

Step-by-step explanation:

Let the girl's age be g.

In 8 years, g+8, she will be twice as much as her present age, so that would be 2(g) + 3 so joining the equation, we get:

g+8=2(g) +3

Solve:

g+8=2g+3

g+3=8

g=5

The girl is 5 years old.