HELP FAST 45 POINTS WILL GIVE BEST ANSWER BRAINLIEST

HELP FAST 45 POINTS WILL GIVE BEST ANSWER BRAINLIEST

Answers

Answer 1

Answer:

1343.42 in³

I am sure about this answer because I had this in my syllabus last year.

Answer 2

Answer:

Vtotal = (vol of prism) + (1/2)(vol of cylinder)

volume of prism = 9×10×11 = 990 in^3

volume of cylinder = pi×(5in)^2×(9in)

= 225pi in^3

Therefore, the total volume is

Vtotal = 990 in^3 + (1/2)(225pi in^3)

= 1343.4 in^3


Related Questions

Which statement best summarizes the relationship between investments and productivity?
A. Companies with high levels of productivity are the most likely to need investment.
B. Companies must choose between high levels of productivity and large investments. C. Companies use investments to pay for services that improve their productivity.
D. Companies use investments to avoid the need to increase overall productivity.

Answers

The relationship between investments and productivity is that investments can help improve productivity, which is the correct option (C).

What are investments?

Investments can be used to acquire new equipment, hire additional workers, or implement new technologies that can enhance a company's productivity.

In general, corporations' major source of revenue is productivity, which is the economic outcome of the company's specific operations, such as the sale of a certain product, the rental of a certain item, the supply of a certain service, and so on.

By investing in these areas, companies can improve their efficiency, reduce costs, and increase output.

Therefore, the relationship between investments and productivity is that investments can help improve productivity.

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Find the measure of the exterior angle

Find the measure of the exterior angle

Answers

Answer:

Exterior angle = 75 degrees

Step-by-step :

180 - (2x + 15) = (adjacent angle to the exterior angle. Linear pair)

180 - 2x - 15 + 45 + x = 180 (interior angles of a triangle)

-2x + 30 + x = 180 - 180

-x + 30 = 0

30 = x

Exterior angle: 2(30) + 15 = 75 degrees

Answer:

The measure of the exterior angle is 75°

Step-by-step explanation:

We know that:

45 + x + (180 - 2x + 15) = 180

Work:

45 + x + (180 - 2x - 15) = 180=> 45 + x + 180 - 2x - 15 = 180=> 210 - x = 180=> 210 - 180 = x=> 30 = x

Now, let's substitute the value of x into the expression.

2(30) + 15=> 60 + 15=> 75

Hence, the measure of the exterior angle is 75°

Cuál es la circunferencia de un círculo cuyo radio es de 9 cm?

Answers

254.34
Porque C= 3.14 • 9^2

Hi, I am having trouble determining how to calculate the average cost per unit? Any help is greatly appreciated.

Kubin Company's relevant range of production is $16,000 to 24,500. When it produces 20,250units, it's average cost s per unit are as follows (see attached).
1) For Financial Accounting purposes, what is the total amount of product costs incurred to make 24,500 units?
2) what is the total amount of period costs incurred to sell 16,000 units?

Hi, I am having trouble determining how to calculate the average cost per unit? Any help is greatly appreciated.

Answers

Step-by-step explanation:]

Answer:
The total amount of product costs incurred to make 24,500 units is $208,250.

The total amount of period costs incurred to sell 16,000 units is $81,750.

Step-by-step explanation:

To determine the total amount of product costs incurred to make 24,500 units, we need to multiply the average cost per unit by the number of units produced. Since the average cost per unit is $8.50, the total product costs incurred to make 24,500 units would be:

$8.50 x 24,500 = $208,250

To determine the total amount of period costs incurred to sell 16,000 units, we need to use the information provided for the relevant range of production. The relevant range of production is $16,000 to 24,500. The period costs are fixed costs that do not change with the level of production. Since the period costs are not dependent on the level of production, the total amount of period costs incurred to sell 16,000 units would be the same as selling 24,500 units. To find the total period costs, we need to subtract the product costs from the total costs.

Total Costs = $290,000 (from the attached sheet)

Product costs = $208,250 (calculated above)

Period costs = Total Costs - Product costs = $290,000 - $208,250 = $81,750

The total amount of period costs incurred to sell 16,000 units is $81,750.

44 and 45 are alternate interior
angles. Find the measure of 44.
t
115/65°
43/44
44 = [?]
t
45/46
47/48
274
Fnter

44 and 45 are alternate interiorangles. Find the measure of 44.t 115/6543/4444 = [?]t45/4647/48274Fnter

Answers

Answer:

115

Step-by-step explanation:

The opposite angles (115degree angle and angle 4) are equal.

Angle 3=65

Angle 4=115

Angle 5=115

Angle 6=65

Angle 7=65

Angle 8=115

Brainliest please~

Complete the following statement.a0 -9 = -10

Answers

ANSWER

x = -1

EXPLANATION

Let us replace the box with x:

x - 9 = -10

To solve this, collect like terms by taking the -9 to the other side.

The sign changes:

x = 9 - 10

x = -1

Graciela begins the month with $300 and is spending $20 per
week. Her brother Sergio begins the month with $150 and is saving $10 per week. Sergio wants to know when they will have the same amount of money.


W
Let represent the number of weeks since the beginning of the
month. Which equation represents this situation?

Answers

Answer:

300-20w=?

150+10w=?

Step-by-step explanation:

Answer:

Step-by-step explanation:

320

There were toy cars,dolls and teddy bears in a shop. 30% of the toys were toy cars. The ratio of the number of dolls to the number of teddy bears were 4:1 . There were 156 more dolls than you cars. After some toy cars were sold, 16% of the remaining toys in the shop was toy cars. How many toy cars were left in the shop?​

Answers

Answer:

80 toy cars were left in the shop.

Step-by-step explanation:

Since there were toy cars, dolls and teddy bears in a shop, and 30% of the toys were toy cars, and the ratio of the number of dolls to the number of teddy bears were 4: 1, and there were 156 more dolls than toy cars, and after some toy cars were sold, 16% of the remaining toys in the shop were toy cars, to determine how many toy cars were left in the shop the following calculation must be performed:

Toy cars = 30%

Dolls and teddy bears = 70%

70/5 = 14 x 4 = 56

Dolls = 56%

Teddy bears = 14%

56 - 30 = 26

156/26 = 6 (1%)

Toy cars = 30 x 6 = 180

Dolls = 56 x 6 = 336

Teddy bears = 84

100 - 16 = 84

84 = 336 + 84 = 420

16 = X

84 = 420

16 = X

16 x 420/84 = X

80 = X

Therefore, 80 toy cars were left in the shop.

What is the x-coordinate of the image when M(4, −1) is reflected in y=3.

Answers

The image of the point M(4, -1) after reflection in the line y = 3 would have the x-coordinate of 4.

What is another way to say reflecting?

When you reflect, you are giving something serious thought. [written] I continued my thoughtful stroll to the car while contemplating the unfortunate honeymooners. Synonyms: thoughtful, ponderous, contemplative, and pensive More reflective's opposites.

What other word for reflecting is there?

Cogitate, deliberate, reason, conjecture, and think are a few words that frequently replace the word reflect. All of these terms indicate "to utilise one's faculties of imagination, reasoning, or inference," but reflect denotes thoughtful deliberation over a memory that has just come to mind.

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if you take away 25 from a number you will be left with two and halftimes 30. what is the number?​

Answers

The answer would be 100.
If you take away 25 from (100) you get 75.
70 also equals 2.5*30

PLEASE HELP ME I'M BEGGING
Identify the type of transformation below: A(−8, 7) → A' (−3,7) B(−4, 7) → B'(1,7) C(-6,2)→ C'(-1,2)​

Answers

The type of transformation with the mappings A(−8, 7) → A' (−3,7) B(−4, 7) → B'(1,7) C(-6,2)→ C'(-1,2)​ is given as follows:

Translation right 5 units.

What is a translation?

A translation happens when either a figure or a function is moved horizontally or vertically on the coordinate plane.

The four translation rules for the ordered pairs of the vertices of a figure are defined as follows:

Translation left a units: (x, y) -> (x - a, y).Translation right a units: (x, y) -> (x + a, y).Translation up a units: (x,y) -> (x, y + a).Translation down a units: (x,y) -> (x, y - a).

The mappings for this problem are given as follows:

A(−8, 7) → A' (−3,7) B(−4, 7) → B'(1,7) C(-6,2)→ C'(-1,2)​

The rule for the translation of each vertex can be resumed as follows:

(x,y) -> (x + 5, y).

Meaning that we had a translation right of 5 units.

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Find the surface area of the triangular prism shown below.

Find the surface area of the triangular prism shown below.

Answers

Answer:

144 u²

Step-by-step explanation:

first we need to find lateral area

La=Ph

LA=(12)(11)

LA= 132 u²

SA= Ph + 2B

SA= 132 + 2(6)

SA= 144 u²

(14v^7x^2-3v^7x^5)divided by (-2v^4x^3)

Answers

.1 Simplify: 5n(2n3+n2+8)+n(4-n).

Solution:

5n(2n3+n2+8)+n(4-n).

= 5n × 2n3 + 5n × n2 + 5n × 8 + n × 4 - n × n.

= 10n4 + 5n3 + 40n + 4n – n2.

= 10n4 + 5n3 + 44n – n2.

= 10n4 + 5n3 – n2 + 44n.

Answer: 10n4 + 5n3 – n2 + 44n

y=-3x-5
y=4x+9
What is the point of intersect between the system of equations?

Answers

Answer: (2, -1) is where they intersect.

help asap i need this tomorrow thanks!:)

help asap i need this tomorrow thanks!:)

Answers

a) The algebraic fraction \(\frac{{x + 2}}{{(x - 1)^2}}\) is proper. b) The algebraic fraction \(\frac{{4x^2 - 31x + 59}}{{(x - 4)^2}}\) can be expressed as \(-\frac{{31}}{{x - 4}} - \frac{{25}}{{(x - 4)^2}}\).

Let's solve each part step by step and determine whether the fraction is proper or improper, and then express it accordingly.

a) \(\frac{{x + 2}}{{(x - 1)^2}}\):

Step 1: Determine the degree of the numerator and the denominator:

  - Degree of the numerator = 1 (linear term)

  - Degree of the denominator = 2 (quadratic term)

Since the degree of the numerator is less than the degree of the denominator, the fraction is proper.

Step 2: Express the proper fraction in partial fractions:

\(\frac{{x + 2}}{{(x - 1)^2}} = \frac{A}{{x - 1}} + \frac{B}{{(x - 1)^2}}\).

Step 3: Find the values of A and B:

Multiply both sides of the equation by \(((x - 1)^2)\) to eliminate the denominators:

  (x + 2) = A(x - 1) + B.

Expand the equation and collect like terms:

  x + 2 = Ax - A + B.

Equate the coefficients of like terms:

  Coefficient of x: 1 = A.

  Constant term: 2 = -A + B.

Solve the system of equations to find the values of A and B:

From the coefficient of x, A = 1.

Substituting A = 1 into the constant term equation: 2 = -1 + B, we find B = 3.

Therefore, the partial fraction decomposition is:

  \(\frac{{x + 2}}{{(x - 1)^2}} = \frac{1}{{x - 1}} + \frac{3}{{(x - 1)^2}}\).

b) \(\frac{{4x^2 - 31x + 59}}{{(x - 4)^2}}\):

Step 1: Determine the degree of the numerator and the denominator:

  - Degree of the numerator = 2 (quadratic term)

  - Degree of the denominator = 2 (quadratic term)

Since the degree of the numerator is equal to the degree of the denominator, the fraction is proper.

Step 2: Express the proper fraction in partial fractions:

  \(\frac{{4x^2 - 31x + 59}}{{(x - 4)^2}} = \frac{A}{{x - 4}} + \frac{B}{{(x - 4)^2}}\).

Step 3: Find the values of A and B:

Multiply both sides of the equation by \(((x - 4)^2)\) to eliminate the denominators:

  (4x^2 - 31x + 59) = A(x - 4) + B.

Expand the equation and collect like terms:

  4x^2 - 31x + 59 = Ax - 4A + B.

Equate the coefficients of like terms:

Coefficient of \(x^2\): 4 = 0 (No \(x^2\) term on the right side).

Coefficient of x: -31 = A.

Constant term: 59 = -4A + B.

Solve the system of equations to find the values of A and B:

From the coefficient of x, A = -31.

Substituting A = -31 into the constant term equation: 59 = 4(31) + B, we find B = -25.

Therefore, the partial fraction decomposition is:

  \(\frac{{4x^2 - 31x + 59}}{{(x - 4)^2}} = -\frac{{31}}{{x - 4}} - \frac{{25}}{{(x - 4)^2}}\).

The above steps provide the solution for each part, including determining if the fraction is proper or improper and expressing it in partial fractions.

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Alison wants to construct the perpendicular bisector of MN⎯⎯⎯⎯⎯⎯.



What should Alison do for her first step?

Place the point of the compass on point M and draw an arc, using a width for the opening of the compass that is greater than 12MN.
Use the straightedge to draw a line that intersects MN⎯⎯⎯⎯⎯⎯ at a point between M and N.
Place the point of the compass on point M and draw an arc, using a width for the opening of the compass that is equal to 12MN​ .
Place the point of the compass on point M and draw an arc, using a width for the opening of the compass that is less than 12MN

Answers

Answer:

What should Alison do for her first step ? She should learn to intersect the bisector of the intersector of mn such that mn should be the intersection of mn to nm so that no 2 intersections should intersect each other's bisector of mn to intersect of mn.

Step-by-step explanation:

Answer:

I should add that Alison is a very smart girl if she wants to construct such a perpendiculiar bisector of MN--. I am realy gratefull for such a kind and wise little smart girl.

Step-by-step explanation:

Can any person help me pls?

Can any person help me pls?

Answers

The equation y + 3x < 5 and 1 ≥ 2x - y is graphed and attached. the solution is (1.2, 1.4)

The point(-5, 0) is a solution

How to know if the point(-5, 0) is a solution

The given equation to be potted are

y + 3x < 5 and

1 ≥ 2x - y

The graph of the equation have a solution at the point where the two lines intersect and this point can be read from the graph to be (1.2, 1.4)

plotting the point (-5, 0), shows that it falls on the area where the two shaded parts intersects and hence a solution

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Can any person help me pls?

help with this calc question pls.

help with this calc question pls.

Answers

The area of the shaded which is obtained using the composite figure formed the shaded region and the area under the curve of the specified function is; (2·π - 3·√3)/2 square units

What is a composite figure?

A composite figure is one that is composed of two or more simpler figures.

The area can be considered of comprising of a composite figure of the area under the curve of the function and the area of the shaded region

The function representing the curve under the shaded region can be presented as follows;

y = 3·cos(x) + 1

The interval specified under the curve can be expressed as follows;

0 ≤ x ≤ π/3

Therefore, the area under the curve can be found as follows;

\(\int\limits^\frac{\pi}{3} _3 {3\cdot cos(x) + 1} \, dx = [3\cdot sin(x) + x]^{\frac{\pi}{3} }_0 = 3\cdot sin(\frac{\pi}{3} ) + \frac{\pi}{3} - 0 = 3\cdot sin(\frac{\pi}{3} ) + \frac{\pi}{3}\)

sin(π/3) = (√3)/2

Therefore; 3·sin(π/3) + π/3 = 3·(√3)/2 + π/3 = (2·π + 9·√3)/6

The area of the rectangle = (4 - 0) × (π/3 - 0) = 4·π/3

The area of the shaded region = Area of the rectangle - Area under the curve of the specified function

Therefore, area of the shaded region = 4·π/3 - (2·π + 9·√3)/6 = (2·π - 3·√3)/2

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What is the limit ?
- does not exist
- “infinity”
- “-infinity”
- 1

What is the limit ? - does not exist - infinity- -infinity- 1

Answers

Answer:

Um i think it would be

does not exist

Step-by-step explanation:

sorry if wrong im a little bad at that

Please answer this geometry question

Please answer this geometry question

Answers

Answer:

~60•the length of PQ . , the length of QR is 90• Tell me if I'm wrong . sorry if I got it wrong .~

Please help !!!!!! 20 points

Please help !!!!!! 20 points

Answers

The value of x in the polygon will be 13.25 degrees.

The value of x is 10.

We can find the value of x by plugging in the number of sides of the regular polygon into the formula x = (n-2)*15° - 1.

How to calculate the value

The sum of the interior angles of a regular polygon with n sides is (n-2) x 180 degrees.

Sum of angles = (24-2) x 180 = 22 x 180 = 3960 degrees

Since all the angles in a regular polygon are congruent, we can divide the sum of the angles by the number of angles to find the measure of one angle:

Measure of one angle = 3960/24 = 165 degrees

165 = 12x + 6

159 = 12x

x = 13.25

Therefore, the value of x is 13.25 degrees.

Each of the triangles in our decomposition has one angle equal to (17x+2)°, so the sum of all the angles in the triangles is 43 × (17x+2)° = 731x+86°.

Therefore, we have:

731x+86° = 7380°

Solving for x, we get:

731x = 7294°

x = 10

Therefore, the value of x is 10.

The equation that can be used to find the value of x is:

(9x+48)° + (15x-24)° = (n-2)*180°

24x + 24 = (n-2)*180°

Dividing both sides by 24, we get:

x + 1 = (n-2)*15°

Subtracting 1 from both sides, we get:

x = (n-2)*15° - 1

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Eastern Aviation Equipment pays Donald Simmons a $1760 monthly salary plus a 12% commission on merchandise he sells each month. Assume Donald's sales were $90,800 for last month. Calculate the following amounts:
1. Amount of Commission:
2. Gross Pay: ​

Answers

The equation that represent the gross pay is y = 0.12x + 1760. The commission was $10896 and gross pay was $12656

What is an equation?

An equation consists of numbers and variables linked together by mathematical operations to form an expression.

A linear equation is in the form:

y = mx + b

Where m is the rate of change and b is the initial value

Let y represent the gross pay for x total sales.

Donald Simmons a $1760 monthly salary plus a 12% commission on merchandise he sells each month, hence:

y = 1760 + 12% of x

y = 0.12x + 1760

Donald's sales were $90,800 for last month. Hence:

a) Commission = 0.12 * $90800 = $10896

b) Gross pay:

y = 10896 + 1760 = $12656

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what is a valid inference

Answers

Answer:

Deduction is inference deriving logical conclusions from premises known or assumed to be true, with the laws of valid inference being studied in logic. Induction is inference from particular premises to a universal conclusion.

Step-by-step explanation:

you are sent to the local tea shop to pick up 9 drinks. You purchase 3 sweet teas and 6 unsweetened teas. Unfortunately, you forgot to label them. If you pick 3 drinks at random, find the probability of each event below. Give your answers as simplified fractions.

Answers

The probability of the four events are: Event 1: 1/84Event 2: 3/14Event 3: 15/28 Event 4: 5/21

The total number of drinks = 9The number of sweet teas = 3The number of unsweetened teas = 6If you select 3 drinks at random, the following events can take place:

Event 1: All three drinks are sweet teas. The probability of event 1 = (Number of ways in which all three drinks can be sweet teas) / (Number of ways to select 3 drinks)The number of ways in which all three drinks can be sweet teas = 3C3 = 1 (because all three sweet teas are already fixed)The number of ways to select 3 drinks = 9C3 = (9 × 8 × 7)/(3 × 2 × 1) = 84Therefore, the probability of event 1 = 1/84 = 1/84

Event 2: Exactly two drinks are sweet teas. The probability of event 2 = (Number of ways in which two drinks are sweet teas and one is an unsweetened tea) / (Number of ways to select 3 drinks)The number of ways in which two drinks are sweet teas and one is an unsweetened tea = (3C2 × 6C1) = 18 (because you can choose 2 sweet teas from 3 and 1 unsweetened tea from 6)The number of ways to select 3 drinks = 9C3 = (9 × 8 × 7)/(3 × 2 × 1) = 84Therefore, the probability of event 2 = 18/84 = 3/14

Event 3: Exactly one drink is a sweet tea. The probability of event 3 = (Number of ways in which one drink is a sweet tea and the other two are unsweetened teas) / (Number of ways to select 3 drinks)The number of ways in which one drink is a sweet tea and the other two are unsweetened teas = (3C1 × 6C2) = 45 (because you can choose 1 sweet tea from 3 and 2 unsweetened teas from 6)The number of ways to select 3 drinks = 9C3 = (9 × 8 × 7)/(3 × 2 × 1) = 84Therefore, the probability of event 3 = 45/84 = 15/28

Event 4: All three drinks are unsweetened teas. The probability of event 4 = (Number of ways in which all three drinks can be unsweetened teas) / (Number of ways to select 3 drinks)The number of ways in which all three drinks can be unsweetened teas = 6C3 = 20 (because you can choose 3 unsweetened teas from 6)The number of ways to select 3 drinks = 9C3 = (9 × 8 × 7)/(3 × 2 × 1) = 84 Therefore, the probability of event 4 = 20/84 = 5/21

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PlEase help you can edit the photo

PlEase help you can edit the photo

Answers

Answer:

The ribbon costs 1.25 per meter

Step-by-step explanation:

5/4=1.25

Anna volunteers on the weekend at the Central Library. As a school project, she decides to record how many people visit the library, and where they go. On Saturday, 382 people went to The Youth Wing, 461 people went to Social Issues, and 355 went to Fiction and Literature. On Sunday, the library had 800 total visitors. Based on what Anna had recorded on Saturday, about how many people should be expected to go to The Youth Wing? Round your answer to the nearest whole number.

Answers

Based on the data recorded by Anna on Saturday, we can estimate the number of people expected to visit The Youth Wing on Sunday.

Let's calculate the proportion of visitors to The Youth Wing compared to the total number of visitors on Saturday:

\(\displaystyle \text{Proportion} = \frac{\text{Visitors to The Youth Wing on Saturday}}{\text{Total visitors on Saturday}} = \frac{382}{382 + 461 + 355}\)

Next, we'll apply this proportion to the total number of visitors on Sunday to estimate the number of people expected to go to The Youth Wing:

\(\displaystyle \text{Expected visitors to The Youth Wing on Sunday} = \text{Proportion} \times \text{Total visitors on Sunday}\)

Now, let's substitute the values into the equation and calculate the estimated number of visitors to The Youth Wing on Sunday:

\(\displaystyle \text{Proportion} = \frac{382}{382 + 461 + 355}\)

\(\displaystyle \text{Expected visitors to The Youth Wing on Sunday} = \text{Proportion} \times 800\)

Calculating the proportion:

\(\displaystyle \text{Proportion} = \frac{382}{382 + 461 + 355} = \frac{382}{1198}\)

Calculating the estimated number of visitors to The Youth Wing on Sunday:

\(\displaystyle \text{Expected visitors to The Youth Wing on Sunday} = \frac{382}{1198} \times 800\)

Simplifying the equation:

\(\displaystyle \text{Expected visitors to The Youth Wing on Sunday} \approx \frac{382 \times 800}{1198}\)

Now, let's calculate the approximate number of visitors to The Youth Wing on Sunday:

\(\displaystyle \text{Expected visitors to The Youth Wing on Sunday} \approx 254\)

Therefore, based on the data recorded on Saturday, we can estimate that around 254 people should be expected to go to The Youth Wing on Sunday.

\(\huge{\mathfrak{\colorbox{black}{\textcolor{lime}{I\:hope\:this\:helps\:!\:\:}}}}\)

♥️ \(\large{\underline{\textcolor{red}{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}\)

suppose a person in the club with 91 members transfers to the club with 71 memebers. A student claims that the measures of center and the measures of spread will change. Correct the students error

Answers

Answer:

It is an incorrect claim from the student that the measures of central tendency will change.

It is a correct claim from the student that the measures of spread will change but only range and standard deviation.

Step-by-step explanation:

The complete question is: Suppose a person in the club with 91 members transfers to the club with 71 members. A student claims that the measures of centers and the measures of spread will all change. Correct the student’s error.

Data set was: 80, 74, 77, 71, 75, and 91.

Firstly, we have to represent the original data set in ascending order;

Original data set = 71, 74, 75, 77, 80, and 91.

Now, it is stated that a person in the club with 91 members transfers to the club with 71 members, so the new data set is;

New data set = 72, 74, 75, 77, 80, and 90.

Now, first taking into account the measure of central tendency that is; Mean and Median.

Mean of both the data will remain the same because there is no change in the sum of all values in both the data set, i.e;

Mean of original data =  \(\frac{71+74+75+77+80+91}{6}\)

                                    =  \(\frac{468}{6}\)  = 78

Mean of new data =  \(\frac{72+74+75+77+80+90}{6}\)

                               =  \(\frac{468}{6}\)  = 78

Now, the median of both the data set will also remain the same because there is a change in the first and last term of the data, so there will be no effect on the middle value in both the data.

Hence, it is an incorrect claim from the student that the measures of central tendency will change.

Now, taking into account the measure of spread that is; Range, Inter-quartile range, and Standard deviation.

Range is given by = Highest value - Lowest value

So, the range of original data = 91 - 71 = 20

and the range of new data = 90 - 72 = 18

This means that the range of data has been changed.

Now, the inter-quartile range = Second last term - Second term of data

So, the inter-quartile range of original data = 80 - 74 = 6

and the inter-quartile range of new data = 80 - 74 = 6

This means that the inter-quartile range of data has not been changed.

Now, the standard deviation =  \(\sqrt{\frac{\sum (X - \bar X)^{2} }{n-1} }\)

So, the standard deviation of the original data =  \(\sqrt{\frac{(71-78)^{2} +.......+ (91-78)^{2} }{6-1} }\)

                                                                             =  7.043

The standard deviation of the new data =  \(\sqrt{\frac{(72-78)^{2} +.......+ (90-78)^{2} }{6-1} }\)

                                                                   =  6.481

This means that the standard deviation has been decreased.

what is an equation in point-slope form of the line that passes through the point (4,-1) and has a slope of 6

Answers

Answer:

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

Step-by-step explanation:

y = mx + b

M = Slope = 6

B = y-intercept = -1

86n + 13 ≤ 99 or n + 90 ≥ 97

Does anybody know the answer?

Answers

Answer:

n ≤ 1 or n ≥ 7

Step-by-step explanation:

solve each part separately

86n + 13 ≤ 99 ( subtract 13 from both sides )

86n ≤ 86 ( divide both sides by 86 )

n ≤ 1

n + 90 ≥ 97 ( subtract 90 from both sides )

n ≥ 7

solution is n ≤ 1 or n ≥ 7

how can you use pythagora's theorem to solve problems involving right-angled triangles

how can you use pythagora's theorem to solve problems involving right-angled triangles

Answers

Using Pythagorean theorem, the length of the ladder is 10ft

What is Pythagorean Theorem?

In mathematical terms, if y and z are the lengths of the two shorter sides (also known as the legs) of a right triangle, and x is the length of the hypotenuse, the Pythagorean theorem can be expressed as:

x² = y² + z²

In the questions given, the only one we can use Pythagorean theorem to solve is the one with ladder since it's forms a right-angle triangle.

To calculate the length of the ladder, we can write the formula as;

x² = 8² + 6²

x² = 64 + 36

x² = 100

x = √100

x = 10

The length of the ladder is 10 feet

Learn more on Pythagorean theorem here;

https://brainly.com/question/343682

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