5. A shopkeeper sold a pen for Rs.13.20 to make a profit of 10 percent. In order to earn a profit
of 15 percent, he should have sold it for.
a. Rs.13.53
b. Rs.13.73
c. Rs.13.80
d. Rs.13.86

An inequality to describe the situation is 3x + 2y ≤ 30.

We are given that;

Cost of hamburger meat= $3

Cost of hot dog=$2

Now,

The total cost of hamburger meat and hot dogs is no more than $30. The variable x represents the number of pounds of hamburger meat, and the variable y represents the number of pounds of hot dogs. The coefficient 3 is the cost per pound of hamburger meat, and the coefficient 2 is the cost per pound of hot dogs.

Therefore, by the inequality the answer will be 3x + 2y ≤ 30

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Answer: 0.71

Step-by-step explanation:

[tex]a^2+b^2=c^2\\a=b\\so\\2a^2=c^2\\c=1 here\\2a^2=1^2\\a=\sqrt{1/2} \\a=0.71[/tex]

Number of tickets one can purchase from 56 dollars is 7.

Given that, 4 football tickets costs $32.

So, the cost of one football ticket = Total cost/Number of tickets

= 32/4

= $8

Number of tickets purchased for $56 = 56/8

= 7

Using variation

4:32::x:56

32x=56×4

x=7

Therefore, there are 7 tickets one can purchase from 56 dollars.

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The square root of 107.6 is approximately 10.372

To find the square root of 107.6, we can use a calculator or use the following procedure:

Make an initial estimate:

We know that the square root of 100 is 10, so we can estimate that the square root of 107.6 is slightly more than 10.

Use the formula: We can use the following formula to improve our estimate:

x(n+1) = (x(n) + a/x(n))/2

where x(n) is the nth estimate of the square root of a, and a is the number we want to find the square root of.

Apply the formula: Using the estimate of 10, we get:

x(1) = (10 + 107.6/10)/2 = 10.38

Now we use this new estimate to get a better one:

x(2) = (10.38 + 107.6/10.38)/2 = 10.371

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To measure the length of the segment, place a ruler measured in centimeters on the surface and record the length of choice.

If you want to determine any line segment, use a ruler that is calibrated in centimeters (as is the case in the above), inches, or meters. Place the ruler on the paper or drawing platform and draw a line that matches the corresponding figure.

If the measure of the line segment is 8.3 cm then trace that length on the surface. To bisect the line segment, draw a vertical line across the horizontal one and divide the opposite sides by 2.

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Using iterations, the solution to the above equation  6⁽⁻ˣ⁾ +4 = 3x -1 is Option C  = 27/16. See the graph attached.

The question requires you to state the solution of the equation. On the graph, this would be the point of intersection of both curves.

To solve for x, we'll continue using an iterative method called the fixed-point iteration ..

Rewrite the equation in the form x = g(x):

g(x) = (6⁽⁻ˣ⁾ + 5) / 3

Start with an initial guess, let's say x0 = 1.

Iterate using the formula x(n+1) = g( x(n )) until convergence, where n is the iteration number:

x (1) = g(x 0)

x (2 ) = g (x(1))

x( 3) = g(x (2))

Let's perform three iterations to approximate the solution

Iteration 1

x (1) = g( x0) = (6⁻¹ + 5) / 3

= (1/ 6 +5) / 3

= (1 /6 + 30/6) / 3

= 31/18

≈ 1.7222

Second iteration is

x(2) = g(x (1)) = ([tex]6^{1.72222}[/tex] + 5) / 3 ≈ 1.6806

Iteration 3:

x(3) = g(x (2)) = ([tex]6^-1.6806[/tex] + 5) / 3 ≈ 1.6875

After three iterations, the approximate solution to the equation 6⁽⁻ˣ⁾ + 4 = 3x - 1 is x ≈ 1.6875, which can also be expressed as the fraction 27/16.

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It can be said that  the statement that correctly compares the function shown on this graph with the function y =4x + 2 is

'The expresion indicated on the graph has a smaller rate of change, but a higher starting point.' (Option A)

We have the expression - y = mx + c, where m is the slope and

c is known as the y-intercept"

For given question,

We have been given a expresion  which states: y = 4x + 2

This function represents a line.

Looking at the above function side by side with slop-intercept form of the line.

We can state that we have slope of the line = 4 and y - intercept = 2

Note that the pace of change of the line is given by the slope.

This means that  the required pace of change of function y = 4x + 2 will be 4.

A beginning point of a function is the commencement value in a linear expression .

The beginning point of above function f(x) is 2.

The graph of the line passes via points (-1, 1) and (0, 4)

So using slope formula,

m1 = (4-1)/(0-(-1))

m1 = 3

This means that  the pace of change of function shown on the graph is 3.

This means, the pace of change of function shown on the graph is smaller than the pace of change of function y = 4x + 2

The expression of the function shown on the graph would be y = 3x + 4

The point of incetion of the function shown on the graph is 4.

This signifies that the starting point of the graphed function is higher than the starting point of the function y = 4x + 2.

As a result, the accurate statement comparing the function displayed on this graph to the function y=4x + 2 is 'The function shown on the graph has a lesser rate of change, but a higher beginning point.'

The correct answer is option (A)

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Answer: the approximate circumference of the circle with a radius of 2.5 meters is 15.70 meters.

Step-by-step explanation:

The circumference of a circle can be calculated using the formula C = 2πr, where C is the circumference and r is the radius.

Given a radius of 2.5 meters and using an approximation of π = 3.14, we can calculate the circumference as:

C = 2 * 3.14 * 2.5

C ≈ 15.70 meters

Answer:

15.70 meters

Step-by-step explanation:

Use the formula: [tex]\\\sf{C = 2\pi r}[/tex]

C = circumference, R = radius, [tex]\pi[/tex] = pi (3.14)

C = 2(3.14)(2.5)

C ≈ 15.70

-----------------------------------≈

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The probability that the selection will be P(pink, blue) is: 9/64

The total number of sections on the spinner are 8 sections.

Now, out of the 8 sections, the divisions are as follows:

Yellow sections = 2

Blue sections = 3

Pink sections = 3

Thus:

P(first is pink) = 3/8

P(second is blue) = 3/8

Thus:

P(pink, blue) = (3/8) * (3/8)

= 9/64

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Using the commutative property we can get an equation that depends on the sum of the two variables:

(M + N) = (62 - 2N)/29

The commutative property of the multiplication and sum means that we can permutate the variables:

A*B = B*A

A + B = B + A

In this case, we have the equation:

29*M = 31*(N + 2)

We can distribute the product to get:

29*M = 31*N + 31*2

29*M = 31*N + 62

Now we want to find the value of the sum of the variables, because we have only one equation we can't do that (two variables means that we need two equations) But we can write an expression that depends on the sum of the two variables.

29M + 31N = 62

And now use the commutative property to write:

(29M + 29N) + 2N = 62

(M + N) = (62 - 2N)/29

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Step-by-step explanation:

Volume of the square pyramid = 1/3 * base area * height

                                                    = 1/3 (3 x 3) * 4 = 12 yd^3

The restaurant sold at least 22 fruit salads for exactly 25% of the week.

The restaurant sold at least 30 ice creams for exactly 75% of the week.

The restaurant sold at least 28 ice creams and fruit salads for exactly 50% of the week.

In Mathematics and Statistics, a box plot is a chart that is used to visually represent the five-number summary of a data set with respect to locality, skewness, and spread.

Based on the data (information) provided about the sales of the number of ice creams and the number of fruit salads sold, the five-number summary for the given number of fruit salads sold include the following:

For the number of ice creams sold, we have:

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Missing information:

The question is incomplete and the complete question is shown in the attached picture.

Answer:

[tex]\bold{V=7048.48 ft^3}[/tex]

Step-by-step explanation:

Solution Given:

radius(r)=12

In right-angled triangle

Hypotenuse = 18

base angle =60°

Note:
In a right-angled triangle, we can use the trigonometric ratios sine, cosine, and tangent to relate the angles and sides of the triangle.
Here are the trigonometric ratios for a right-angled triangle:

Sine (sin): The sine of an angle is the ratio of the length of the side opposite the angle to the length of the hypotenuse.

[tex]\boxed{\bold{sin(A) =\frac{ opposite}{hypotenuse}}}[/tex]

Cosine (cos): The cosine of an angle is the ratio of the length of the side adjacent to the angle to the length of the hypotenuse.

[tex]\boxed{\bold{cos(A) = \frac{adjacent}{hypotenuse}}}[/tex]

Tangent (tan): The tangent of an angle is the ratio of the length of the side opposite the angle to the length of the side adjacent to the angle.

[tex]\boxed{\bold{tan(A) =\frac{ opposite}{adjacent}}}[/tex]

Now for the question:

Over here the relation between opposite or height and hypotenuse is given by Sine, So using this formula:

[tex]\bold{sin(60^0) =\frac{ opposite\:or\ height}{18}}[/tex]

doing criss-cross multiplication:

Sin 60°*18=opposite or height

[tex]\frac{\sqrt{3}}{2}*18[/tex] =opposite or height

opposite or height(h)=[tex]9\sqrt{3}[/tex]

Again,

We have

[tex]\boxed{\bold{Volume\:of\:cylinder= \pi * r^2 * h}}[/tex]

where:

π (pi) is a mathematical constant approximately equal to 3.14

r is the radius of the base of the cylinder

h is the height of the cylinder

Now Substituting value

[tex]Volume = \pi * r^2 * h\\Volume=3.14*12^2*9\sqrt{3}\\Volume=\bold{7048.48 ft^3}[/tex]

Answer: 1.4 pi, and pi/180

Step-by-step explanation:

b)

this is a negative angle; It is also less than 0.5pi, (pi/2, which is the border of the first quadrant). therefore the reference angle is just the positive version:

so 1.4pi is the reference angle

c)

pi/180 is already in the first quadrant. so pi/180 would be the reference angle.

The statement that the [tex]x^ky^{n-k}[/tex] in the expansion of ( x + y )ⁿ equals [tex]\binom{k}{n}[/tex] is False.

The coefficient of the term [tex]x^ky^{n-k}[/tex] in the expansion of ( x + y )ⁿ  is given by the binomial coefficient C ( n, k ), not C ( k, n ) . It should therefore be written as C ( n, k ), not C ( k, n ).

Stated alternatively, the quantity in question is the combination of k items selected from a pool of n items, rather than the inverse arrangement. As a result, the accurate binomial coefficient has been determined such that:

C ( n, k ) = n! / [ k! ( n - k ) ! ], where " ! " denotes the factorial function.

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The question is:

The coefficient of [tex]x^ky^{n-k}[/tex] in the expansion of ( x + y )ⁿ equals [tex]\binom{k}{n}[/tex]

True

False.

Answer:

OD) x = -2, -5

Step-by-step explanation:

To solve the quadratic equation x^2 + 7x + 10 = 0, we can use factoring or the quadratic formula.

Using factoring:

We need to find two numbers whose sum is 7 and whose product is 10. These numbers are 2 and 5. So, we can write x^2 + 7x + 10 = 0 as (x + 2)(x + 5) = 0.

Setting each factor to 0, we get x + 2 = 0 or x + 5 = 0. Solving for x, we get x = -2 or x = -5.

Using the quadratic formula:

The quadratic formula is x = (-b ± sqrt(b^2 - 4ac)) / 2a, where a, b, and c are the coefficients of the quadratic equation. In this case, a = 1, b = 7, and c = 10.

Substituting these values into the formula, we get x = (-7 ± sqrt(7^2 - 4(1)(10))) / 2(1)

Simplifying, we get x = (-7 ± sqrt(9)) / 2

Therefore, x = (-7 + 3) / 2 or x = (-7 - 3) / 2

Solving for x, we get x = -2 or x = -5.

Thus, the solutions of the quadratic equation x^2 + 7x + 10 = 0 are x = -2 or x = -5.

Therefore, the answer is (OD) x = -2, -5.

a) there are 8,535,316 ways to choose a dance committee of 8 students. b) there are 497,070 ways to choose a dance committee consisting of 2 freshmen, 2 sophomores, 2 juniors, and 2 seniors. c) there are 4,410 ways to choose a dance committee consisting of 4 juniors and 4 seniors.

a) To determine the number of ways a dance committee of 8 students can be chosen, we need to consider the total number of eligible students and choose a group of 8 from them.

Total number of eligible students = 7 freshmen + 10 sophomores + 9 juniors + 7 seniors = 33 students

The number of ways to choose a committee of 8 students from a pool of 33 is given by the combination formula:

C(33, 8) = 33! / (8!(33-8)!) = 8,535,316

Therefore, there are 8,535,316 ways to choose a dance committee of 8 students.

b) To choose a dance committee consisting of 2 freshmen, 2 sophomores, 2 juniors, and 2 seniors,

Number of ways to choose 2 freshmen from 7 freshmen = C(7, 2) = 21

Number of ways to choose 2 sophomores from 10 sophomores = C(10, 2) = 45

Number of ways to choose 2 juniors from 9 juniors = C(9, 2) = 36

Number of ways to choose 2 seniors from 7 seniors = C(7, 2) = 21

Total number of ways to choose the dance committee = 21 * 45 * 36 * 21 = 497,070

Therefore, there are 497,070 ways to choose a dance committee consisting of 2 freshmen, 2 sophomores, 2 juniors, and 2 seniors.

c) To choose a dance committee consisting of 4 juniors and 4 seniors,

Number of ways to choose 4 juniors from 9 juniors = C(9, 4) = 126

Number of ways to choose 4 seniors from 7 seniors = C(7, 4) = 35

Total number of ways to choose the dance committee = 126 * 35 = 4,410

Therefore, there are 4,410 ways to choose a dance committee consisting of 4 juniors and 4 seniors.

d) The probability of selecting a committee consisting of 2 freshmen, 2 sophomores, 2 juniors, and 2 seniors

Favorable outcomes = 497,070 (from part b)

Total possible outcomes = 8,535,316 (from part a)

Probability = Favorable outcomes / Total possible outcomes

= 497,070 / 8,535,316

≈ 0.058 (rounded to the nearest thousandth)

Therefore, the probability of selecting a committee consisting of 2 freshmen, 2 sophomores, 2 juniors, and 2 seniors is approximately 0.058.

e) The probability of selecting a committee consisting of 4 juniors and 4 seniors

Favorable outcomes = 4,410 (from part c)

Total possible outcomes = 8,535,316

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The probability that more than two out of the twelve automobiles fail the test is approximately 29. 35%.

The probability of more than two automobiles failing the emissions test would be:

= 1 - Probability that none fails - Probability that 1 fails - Probability that 2 fail

The probabilities are :

P (0 fail) = C (12, 0) x ( 0.08 ⁰) x (0.92 ¹² )

= 1 x 1 x 0. 2785

= 0. 2785

P(1 fail) = C (12, 1) x (0.08 ¹ ) x ( 0.92 ¹¹ )

= 12 x 0. 08 x 0. 3016

= 0. 2899

P (2 fail) = C (12, 2) x (0.08 ² ) x ( 0.92 ¹⁰)

= 66 x 0. 0064 x 0.3259

= 0.1381

The probability that more than two fail is:

= 1 - (0.2785 + 0.2899 + 0.1381)

= 0.2935

= 29. 35 %

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Answer:

Pick c, 2/27

Step-by-step explanation:

Bag #1 has 4 + 6 + 3 + 5 = 18 total tiles.

4 are black.

So prob (black) from bag 1 = 4/18.

Bag #2 has 3 + 2 + 3 + 1 = 9 total tiles.

3 are black.

So prob(black) from bag 2 = 3/9.

Multiply those 2 independent probabilities together.

(4/18) x (3/9) = (2/27)

The area of the circle is A = 154 m²

Given data ,

Let the diameter of the circle be d = 14 m

So , the radius of the circle is r = d/2

r = 7 m

Now , area of circle is A = πr²

On simplifying , we get

A = ( 3.14 ) ( 7 )²

A = 154 m²

Hence , the area of circle is A = 154 m²

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Three types of financial institutions that would offer various financial services are Banks, Credit Unions and Investment Firms.

Three types of financial institutions that would offer various financial services are:

Banks: Banks are traditional financial institutions that provide a wide range of financial services, including savings and checking accounts, loans, mortgages, credit cards, investment services, and more. They also offer services like ATM access, online banking, and mobile banking.

Credit Unions: Credit unions are member-owned financial cooperatives that offer similar services to banks, such as savings and checking accounts, loans, and mortgages. Credit unions often provide competitive interest rates and lower fees compared to banks. They are typically organized around a specific community, occupation, or group of individuals.

Investment Firms: Investment firms, also known as brokerage firms or investment banks, specialize in providing investment-related services. They assist clients in buying and selling stocks, bonds, mutual funds, and other investment products. Investment firms may also offer financial advisory services, wealth management, retirement planning, and access to research and market analysis.

These financial institutions play a crucial role in managing and facilitating various financial services to individuals, businesses, and organizations.

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Answer:

b. 5, 11, 6

Step-by-step explanation:

Let the sides of a triangle be a, b, and c, where a < b < c. Then, we know that a + b > c. If we use this identity to solve this problem, then we can find that answer choice b does not satisfy it. Thus, b does NOT  have the lengths of a triangle.

The value of x is 5.

Using Angle Sum Property

The sum of the angles in a triangle is always 180 degrees. So, we can set up an equation:

9x-1 + 62 + 74 = 180

Simplifying the equation:

9x + 135 = 180

9x = 45

x = 5

Therefore, x is 5.

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The operations between two functions:

Case 1: f(x) + g(x) = 2 - x - x²

Case 2: g(x) - f(x) = x² - x

Case 3: g(x) · f(x) = (1 - x) · (1 - x²) = 1 - x - x² + x³

Case 4: f(x) - g(x) = x - x²

In this problem we need to perform operations between two functions, one operator for each case. There are three operations used in this problem:

Addition

(f + g) (x) = f(x) + g(x)

Subtraction

(f - g) (x) = f(x) - g(x)

Multiplication

(f · g) (x) = f(x) · g(x)

If we know that f(x) = 1 - x² and g(x) = 1 - x, then the operations between functions are:

Case 1

f(x) + g(x) = 2 - x - x²

Case 2

g(x) - f(x) = x² - x

Case 3

g(x) · f(x) = (1 - x) · (1 - x²) = 1 - x - x² + x³

Case 4
f(x) - g(x) = x - x²

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Step-by-step explanation:

Domain : (-5,4]

Range [-2,0)

The equation of the line is y = -4x - 11.

The equation of the line is y = 3x + 7.

The equation of the line is y = (1/2)x + 12.

We have,

A)

The equation of the line with gradient m = -4 that passes through the point (-2,-3) is:

y - y1 = m(x - x1)

y - (-3) = -4(x - (-2))

y + 3 = -4(x + 2)

y + 3 = -4x - 8

y = -4x - 11

B)

The equation of the line with gradient m=3 that passes through the point (-2,1) is:

y - y1 = m(x - x1)

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

y - 1 = 3(x + 2)

y = 3x + 7

C)

The equation of the line with gradient m=1/2 that passes through the point (-4,10) is:

y - y1 = m(x - x1)

y - 10 = (1/2)(x - (-4))

y - 10 = (1/2)(x + 4)

y = (1/2)x + 12

Therefore,

The equation of the line is y = -4x - 11.

The equation of the line is y = 3x + 7.

The equation of the line is y = (1/2)x + 12.

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