Help please! I have no idea!!!! PLEASEEE

Help Please! I Have No Idea!!!! PLEASEEE

Answers

Answer 1

The the inverse of [tex]n = \frac{3t+8}{5}$[/tex] is [tex]t = \frac{5n-8}{3}$[/tex].

How to find inverse of the function?

To find the inverse of [tex]n = \frac{3t+8}{5}$[/tex], we need to solve for t in terms of n.

Starting with the given equation, we can first multiply both sides by 5 to get rid of the fraction:

[tex]$$5n = 3t + 8$$[/tex]

Next, we can isolate t by subtracting 8 from both sides and then dividing by 3:

[tex]$\begin{align*}5n - 8 &= 3t \\frac{5n-8}{3} &= t\end{align*}[/tex]

Therefore, the inverse of n is:

[tex]$t = \frac{5n-8}{3}$$[/tex]

We can also check that this is indeed the inverse by verifying that:

[tex]$n = \frac{3t+8}{5} = \frac{3}{5} \cdot \frac{5n-8}{3} + \frac{8}{5} = n$$[/tex]

So, the inverse of [tex]n = \frac{3t+8}{5}$[/tex] is [tex]t = \frac{5n-8}{3}$[/tex].

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Related Questions

Part y Wa g on, Inc., provides musical entertainment at weddings, dances, and various other functions. The company performs adjusting entries monthly but prepares closing entries annually on December 31. The company recently hired Jack Armstrong as its new accountant. Jack’s first assignment was to p re p are an income statement, a statement of retained earnings, and a balance sheet usin g an adjusted trial balance given to him by his predecessor, dated December 31, the current year.

From the ad j usted trial balance, Jack p re p ared the followin g set of financial statements.

Answers

Preparation of a Corrected set of Financial Statements :

Income Statements :

PARTY WAGON .INC

INCOME STATEMENT

FOR THE YEAR ENDED DECEMBER 31

CURRENT YEAR

Party Revenue Earned

156,000

Total Revenue

156,000

Expenses :

Insurance Expenses

2,160

Office Rent Expense

14,400

Supplies Expense

1,440

Salary Expense

90,000

Repair and Maintainence expense

2,400

Travel Expense

7,200

Miscellaneous Expense

4,320

Interest Expense

5,280

Depreciation - Van

9,600

Depreciation -Music and Equipment

8,400

Total Expenses

145,200

Income Before Income Tax

10,800

Less : Income Tax Expense

2,400

Net Income

8,400

How to explain the financial statement

Jack included balance sheet accounts in the income statement, therefore the corrected income statement consisting of revenue and expenses accounts is provided above.

Statement of Retained Earnings :

Retained Earnings (As per adjusted trial balance)  18,000

Add : Net Income  8,400

Less : Dividends  (1,200)

Retained Earnings Dec 31, Current Year  25,200

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A contestant on a game show has a 1 in 6 chance of winning for each try at a certain game. Which probability models can be used to simulate the contestant’s chances of winning?
Select ALL of the models that can be used to simulate this event.

A) a fair six-sided number cube
B) a fair coin
C) a spinner with 7 equal sections
D) a spinner with 6 equal sections
E) a bag of 12 black chips and 60 red chips

Answers

Answer:

I'm pretty confident that the answer is E

can you find the value of constant k?
k=?

Answers

The constant k that makes f(x) continuous everywhere is k = 49/41.

What is a continuous function?

If a function's limit at a given position exists and is the same as the function's value there, the function is said to be continuous at that location. If a function is continuous over its whole domain, then it is continuous everywhere. As the name implies, a continuous function is one whose graph is continuous throughout without any pauses or leaps. To put it another way, we say that a function is continuous if we can draw the curve (graph) of the function without ever picking up the pencil.

For f(x) to be continuous everywhere, it must be continuous at x = 7.

Using the left limit we have:

k(7)² = 49k

Using the right limit we have:

(7x + k) = 49 + k

Setting the limits equal we have:

49k = 49 + k = 8k

49k = 8k + 49

41k = 49

k = 49/41

Hence, the constant k that makes f(x) continuous everywhere is k = 49/41.

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find any critical numbers of the function.

Answers

Answer:

(2, -4)

Step-by-step explanation:

[tex]{ \sf{f(x) = {x}^{3} - {3x}^{2} }} \\ { \sf{ {f}^{l}(x) = {3x}^{2} - 6x }} \\ \\ { \sf{0 = x(3x - 6)}} \\ { \sf{0 = 3x - 6}} \: \: \: \: \: \\ { \sf{3x = 6}} \\ { \sf{x = 2}}[/tex]

For x = 2

[tex]{ \sf{f(2) = {2}^{3} - 3 {(2)}^{2} }} \\ { \sf{f(2) = 8 - 12}} \\ { \sf{f(2) = - 4}}[/tex]

Point is (2, -4)

draw a new of a square pyramid for which the base is 2 units long and the height of each triangular face is 5 units>

Answers

After answering the provided question, we can conclude that slant height  of pyramid  [tex]= \sqrt((2/2)^2 + 5^2) = \sqrt(29) = 5.39 units.[/tex]

What exactly is a pyramid?

A pyramid is a polygon formed by connecting points known as bases and polygonal vertices. For each hace and vertex, a triangle known as a face is formed. A cone with a polygonal shape. A pyramid with a floor and n pyramids has n+1 vertices, n+1 vertices, and 2n edges. Every pyramid is dual in nature. A pyramid contains three dimensions. A pyramid is made up of a flat tri face and a polygonal base that come together at a single point known as the vertex. A pyramid is formed by connecting the base and peak. The edges of the base form triangle faces known as sides, which connect to the top.

            /\

          /    \

        /         \

      /______\

         5

         |

         |

         |

         |

         |

         2

The square pyramid in the diagram above has a two-unit-long square base and four five-unit-high triangular faces. The Pythagorean theorem can be used to calculate the slant height of each triangular face:

slant height [tex]= \sqrt((2/2)^2 + 5^2) = \sqrt(29) = 5.39 units.[/tex]

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Use the slope and y-intercept to identify the equation of this line.

Answers

Answer:

D. y = -2x

Step-by-step explanation:

slope = rise/run = 2/-1 = -2

y-intercept = (0,0)

y = mx + b

y = -2x + 0

y = -2x

This is the working solution

WILL MARK AS BRAINLIEST!!!!!!!!!!!!
The point on the parabola y=x^2 that is closest to the point (9,1/2) is (______,______). The distance between the two points is ________.

Hint: Obtain an expression for the square of the distance and see where it is minimized. (you don't have to use the hint)

Answers

The point on the paraboIa y = x² that is cIosest to the point (9, 1/2) is approximateIy (2.2913, 5.2491). The distance between the two points is approximateIy 6.0291.

What is finding point on curve?

CaIcuIus optimization probIems incIude the quest for the point on a curve that is cIosest to a given point. Finding the shortest path between two Iocations on a surface or figuring out how much materiaI is required to make a certain form are just two exampIes of its numerous practicaI uses.

Finding the greatest or Ieast vaIue of a function under specific constraints is a common task in optimization issues. These kinds of issues can be found in a variety of discipIines, such as engineering, economics, physics, and bioIogy. We can increase judgements and process effectiveness by finding soIutions to optimization difficuIties.

For the given paraboIa to fund the cIosest point to (9, 1/2) we use the distance formuIa:

d = √((x2 - x1)² + (y2 - y1)²)

Let, (x, x²), be a point on the paraboIa thus:

d = √((x - 9)²  + (x² - 1/2)²)

The minimum distance is found using the derivative:

d' = (x - 9) + 2(x² - 1/2)(2x) = 0

4x³ - 4x - 17 = 0

x ≈ 2.2913

Substituting the vaIue of x we have:

d = √((2.219 - 9)²  + ((2.219)² - 1/2)²)

d ≈ 6.0291

Hence, the point on the paraboIa y = x²  that is cIosest to the point (9, 1/2) is approximateIy (2.2913, 5.2491). The distance between the two points is approximateIy 6.0291.

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Can someone pls help me it would mean so much to me

Answers

Answer: y = 3x-2 (for first question)

Step-by-step explanation:

Equation of the line: y = mx+c. For A, it passes through (0, -2) and has a gradient of 3. So, you substitute the values inside the equation.

x = 0

y = -2

m = 3

-2 = 0+c

c= -2

ans: y = 3x-2

Use the same method to complete the rest of the questions. GL

Note: I am just a student, if I get this wrong I hope someone corrects me, thanks

I need help with this

Answers

Angle PLE is measured at 90°. The options supplied do not contain the solution.

What measurement of an angle does not equal 90?

The acute angle is defined as being less than 90 degrees. Right angles are 90 degrees in length. Angles that are obtuse have a greater angle than 90 degrees. Discover the various sorts of angles and examples of each.

As complementary angles, ZPLA and ZELA, we can infer that:

ZPLA + ZELA = 90°

Using the following expressions in place of ZPLA and ZELA, we obtain:

5x-2 + x+8 = 90

When we simplify the equation, we obtain:

6x + 6 = 90

6 is subtracted from both sides to yield:

6x = 84

Dividing by 6, we get:

x = 14

With the knowledge of x, we can determine the dimensions of ZPLA and ZELA:

ZPLA = 5x-2 = 5(14)-2 = 68°

ZELA = x+8 = 14+8 = 22°

Therefore, we can find the measure of angle PLE by subtracting the measures of ZPLA and ZELA from 180°:

PLE = 180 - ZPLA - ZELA

PLE = 180 - 68 - 22

PLE = 90

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Question 4
Let us assume an original starting value of $4 trillion in 2033, but that the actual rate of
decline after 2033 was 10% greater than the 7.6% rate. (Notice that this refers to a 10%
relative increase over the 7.6% rate of decline that was originally estimated in the
lesson, and not an absolute increase of 10 percentage points.) In the questions below,
consider how this would affect the estimated value of the funds in 2038?
What is the new estimated value of the trust funds in 2038? Round to the nearest

Answers

The new estimated value of the trust funds in 2038 would be $2.5 trillion.

What is funds?

Funds are resources of monetary value that can be used to acquire goods, services, or to meet financial obligations. They are usually obtained through the sale of goods and services or by borrowing. Funds can come from a variety of sources, including individuals, businesses, governments, and other organizations. Funds can be used to purchase assets such as stocks, bonds, real estate, or other forms of investments.

This is because a 10% relative increase over the original estimated 7.6% rate of decline means that the actual rate of decline is 8.36% (7.6% x 1.10 = 8.36%). Applying this rate to the original starting value of $4 trillion, the value of the trust funds in 2038 would be $4 trillion x 0.9164 (which is the equivalent of 1 - 0.0836) = $2.5 trillion.

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The new estimated value of the trust funds in 2038 would be $2.4 trillion.

What is trust fund?

A trust fund is a legal arrangement in which a person or organization (the trustor) transfers assets to another person or organization (the trustee) to be managed and distributed for the benefit of a third party (the beneficiary). The trustor sets out a set of instructions (the trust deed) on how the trust funds should be handled, managed, and distributed. The trustee is legally bound to abide by these instructions, and is responsible for the management and distribution of the trust funds according to the trust deed. Trust funds can be used for a variety of purposes, such as providing for a beneficiary's education, medical care, or retirement.

This is because a 10% increase in the rate of decline would result in a rate of decline of 8.36% (7.6% plus 10% of 7.6%).
Using this new rate of decline, the value of the trust funds in 2038 would be $4 trillion multiplied by (1 - 0.0836)⁵,
which is equal to $2.4 trillion.

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each square in the grid below has area 1. find the area of the irregular quadrilateral below. [asy] size( 200 ) ; int xmax

Answers

The required area of the irregular quadrilateral as given in the attached diagram is equal to 37.5 square units.

In the attached diagram,

Area of each square grid is equal to 1 square units.

Area of the irregular quadrilateral

= Area of the triangle A + Area of the triangle B + Area of the triangle C + Area of the rectangle D  ___(1)

Area of triangle A = ( 1/2 ) × Base × height

                              = ( 1/2 ) × 4 × 8

                              = 16 square units

Area of triangle B = ( 1/2 ) × Base × height

                              = ( 1/2 ) × 5 × 5

                              = 12.5 square units

Area of triangle C = ( 1/2 ) × Base × height

                              = ( 1/2 ) × 3 × 4

                              = 6 square units

Area of rectangle D = length × width

                                 = 3 × 1

                                 = 3 square units

Substitute all the values in (1 ) we have,

Area of the irregular quadrilateral

= 16 + 12.5 + 6 + 3

= 37.5 square units.

Therefore, the area of irregular quadrilateral is equal to 37.5 square units.

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The above question is incomplete, the complete question is:

Each square in the grid below has area 1. Find the area of the irregular quadrilateral below.

Diagram is attached.

PLEASE HELP ME!!! Type the correct answer in each box. Use T for true and F for false.
Complete the truth table for the contrapositive of a conditional statement.
р
T
T
LL
LL
q
T
F
T
LL
P→q
T
F
T
T
~9~p

Answers

The answer will of given mathematical logic will be T F T T F respectivelly.

What fundamental ideas underlie mathematical logic?

A negation, conjunction, and disjunction are the fundamental mathematical logics. The symbols for negation, conjunction, and disjunction in mathematical logic are "," "," and "v," respectively.

What is the purpose of mathematical logic?

Logical proofs frequently employ mathematical logic. Proofs are legitimate arguments that establish the veracity of mathematical assertions. A series of statements make up an argument. The conclusion is the last assertion, and the premises are all the statements that came before it (or hypothesis).

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The complete truth table is shown in the below diagram.

≈ q → ≈ p: True  False  True  True

Define the conditional statement for contrapositive?

The contrapositive of a conditional statement is a new conditional statement that is formed by negating both the hypothesis (the "if" part) and the conclusion (the "then" part) of the original statement, and switching their positions. The truth table for the contrapositive of a conditional statement has the same number of rows as the truth table for the original statement.

For example, if the original statement is "If it is raining, then the ground is wet", then the contrapositive would be "If the ground is not wet, then it is not raining."

According to the given table the contrapositive of a conditional statement q and p is defines as;

True

False

True

True

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Complete the process of solving the equation.
Fill in the missing term on each line. Simplify any fractions.
11w + 3 = 14
11w =
W =
Subtract 3 from both sides
Divide both sides by 11

Answers

Answer:

w = 1

Step-by-step explanation:

If we read the problem, we are given the instructional steps to solve this problem. Lets do it anyway without any help.

[tex]11w+3=14[/tex]

We, subtract 3 on both sides (3 - 3, 14 - 3)

[tex]11w=11[/tex]

Divide by 11w (11w/11w, 11/11w)

[tex]w=1[/tex]

Question 17 (2 points)
Suppose that 10% of Peloton bikes are defective and should be replaced. Peloton
offers one-year warranties on their new bikes, and should a customer use the bike in
the first year and discover the defect, the bike will be replaced. Peloton also knows
that 75% of customers use the bike in the first year. What is the probability a
customer will actually make a valid warranty claim?
0.075
0.10
0.175
0.75

Answers

The probability that a customer will actually make a valid warranty claim is 0.075.

What is Probability?

A probability is a numerical representation of the likelihood or chance that a specific occurrence will take place. Both proportions ranging from 0 to 1 and percentages ranging from 0% to 100% can be used to describe probabilities.

According to question:

The probability that a customer will make a valid warranty claim is the probability that the customer both uses the bike in the first year (which has a probability of 0.75) and discovers a defect (which has a probability of 0.10).

Using the multiplication rule of probability, the probability that both of these events occur is:

0.75 x 0.10 = 0.075

Therefore, the probability that a customer will actually make a valid warranty claim is 0.075.

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8. The diagram shows the triangle PQR. In the diagram, all the angles are in degrees. RP = RQ Find the value of y. Show clear algebraic working. P= 2x + 10, R=y, Q= X + 15​

Answers

The value of y in the given isosceles triangle is 140°.

What is isosceles triangle?

A triangle with two equal edges is said to be isosceles. Also equal are the two angles that face the two identical sides. In other terms, an isosceles triangle is a triangle with two sides that are the same length.

If the sides AB and AC of a triangle ABC are equivalent, then the triangle ABC is an isosceles triangle with B = C. "If the two sides of a triangle are congruent, then the angle opposite to them is also congruent," states the theorem that explains the isosceles triangle.

What is an angle?

An angle is a shape created by two lines that share an endpoint and are referred to as the angle's sides and vertex, respectively. Angles created by two beams are in the plane where the rays are located. The meeting of two surfaces also creates angles.

In the given question,

∠P=∠Q

2x+10=x+15

x=5

Therefore,

∠P=2(5)+10=20°

∠Q=5+15= 20°

∠P+∠Q+∠R= 180°

20+20+∠R= 180°

∠R= 140°

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In need of help, if you could number and explain that would be awesome

Answers

The difference between the two formulas is that nPr takes order into account, while nCr does not. To determine which formula to use, consider whether order matters in the problem. If order matters, use nPr. If order does not matter, use nCr.

What are the possible outcomes of probability?

a) An example of an application problem that uses nPr could be the following: In how many ways can a committee of 3 people be chosen from a group of 7 if the order of selection matters?

b) An example of an application problem that uses nCr could be the following: In how many ways can a committee of 3 people be chosen from a group of 7 if the order of selection does not matter?

c) The formula for nPr is n!/(n-r)!, where n is the total number of items and r is the number of items being selected in a specific order. The formula for nCr is n!/r!(n-r)!, where n is the total number of items and r is the number of items being selected without regard to order.

a) The tree diagram for the problem is:

     H          T

    / \        / \

   H   T      H   T

  / \ / \    / \ / \

 H  T H  T  H  T H  T

b) The probability that all the coins will turn up heads is 1/8 or 0.125, since there is only one outcome out of the eight possible outcomes that satisfies this condition.

c) The probability that there will be at least one tails is 7/8 or 0.875, since there are seven outcomes out of the eight possible outcomes that satisfy this condition (all except HHH).

Therefore, All the possible outcomes are:  [tex]HHH, HHT, HTH, HTT, THH, THT, TTH, TTT.[/tex]

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The profit (in thousands of dollars) from the expenditure of x thousand dollars on advertising is given by P(x)=1000+32x-2x2. Find the marginal profit at the following expenditures.

Answers

The marginal profit at the following expenditures for $8000 is 0 for $6000 is 8 for $12,000 is -16 and for $20,000 is -48.

When one more unit is produced and sold, a company or individual will make a profit known as marginal profit. The additional expense or profit made while manufacturing the next unit is referred to be marginal. Whereas marginal cost is the additional expense for manufacturing one extra unit, marginal product is the additional income received.

The difference between marginal cost and marginal product is known as marginal profit (also known as marginal revenue). Managers can utilise margin analysis to help them decide whether to increase output, reduce production, or halt production completely, a decision known as the shutdown point.

we have,

P(x)= 1000+32x - 2x²

Formula for derivative of function:

[tex]f'(x) = \lim_{h \to 0} \frac{f(x+h)-f(x)}{h}[/tex]

Finding the derivative,

P(x+h) = 1000 + 32(x+h) - 2(x+h)²

P(x+h) = -2x² -4xh - 2h² + 32x + 32h + 1000

P(x+h) - P(x) = h(-4x - 2h + 32)

P'(x) = -4x + 32

Finding derivatives for given values of x is,

P'(8) = -4(8) + 32 = 0

P'(6) = -4(6) + 32 = 8

P'(12) = -4(12) + 32 = -16

P'(20) = -4(20) + 32 = -48

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Complete question:

The profit (in thousands of dollars) from the expenditure of x thousand dollars on advertising is given by P(x)= 1000+32x - 2x². Find the marginal profit at the following expenditures.

a. $8000

b. $6000

c. $12,000

d. $20,000

Let g(x) = 3x^2 - 2x + 4. Evaluate g(5)

Answers

Answer:

g(5)=69

Step-by-step explanation:

g(5)=3(5)^2-2(5)+4

g(5)=75-10+4

g(5)=69

Answer: g(5) = 119
Working solution below

explain integral calculus

Answers

Answer:

Integral

Step-by-step explanation:

explain integral calculus

OBFW Publishers
Joy Milne of Perth, UK, smelled a "subtle musky odor" on her husband Les that she had never smelled before. At first, Joy
thought maybe the smell was from Les's sweat after long hours of work. But when Les was diagnosed with Parkinson's 6 years
later, Joy suspected the odor might be a result of the disease. Scientists were intrigued by Joy's claim and designed an
experiment to test her ability to "smell Parkinson's." Joy was presented with 12 shirts, each worn by a different person, some of
whom had Parkinson's and some of whom did not. The shirts were given to Joy in random order, and she had to decide whether
each shirt was worn by a Parkinson's patient or not. Joy identified 11 of the 12 shirts correctly. If we assume that Joy was just
guessing, she would have probability 1/2 of correctly identifying each shirt.
(a) Find the probability that Joy would identify at least 11 shirts correctly by random guessing.
Round your answer to 4 decimal places.
Leave your answer in decimal form.
about us
careers

Answers

the probability of indentifying at least 11 shirts correctly by random guessing is 0.0002

What is Probability?

The ratio of favaourable outcomes to all possible outcomes of an event is known as the probability. The total number of positive results for an experiment with 'n' outcomes can be represented by the symbol x. The probability of an occurrence can be calculated using the following formula.

Probability(Event) = Positive Results/Total Results = x/n

Total no.of event=12

the probability that Joy will identify at least 11 shirts correctly by random guessing=

P(X≥11)=P(X=11)+P(X=12)

=¹²C₁₁(½)¹(½)¹¹+¹²C₁₂×(½)¹²(½)⁰

=12×½×(1/2)¹¹+(½)¹²

=0.00024414062≈0.0002

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2 bags of dog food. How many days will 3/4 last?

Answers

Answer:

3/4 of a bag of dog food will last 3 days.

A printing company bought a machine for $86.000. it's estimated life is 10 years with residual value of $6,000, Using the straight-line method, what's the book value of the machine at the end of year2?

Answers

Hence, at the end οf year 2, the machine's bοοk value is $70,000.

Examples οf residual value what?

Example οf Calculating Residual Value fοr a Business-Owned Vehicle. Hence, if the cοrpοratiοn sells the car after 6 years, 60% οf the οriginal cοst οf the car is depreciated οver 6 years, and the residual value is 40%. Remaining Value Befοre Tax is anοther name fοr this value.

The cοst οf an asset is evenly dispersed acrοss the asset's useful life with the straight-line technique οf depreciatiοn. Cοmpute the annual depreciatiοn cοsts and deduct it frοm the machine's οriginal cοst tο arrive at the machine's bοοk value at the end οf year twο.

Yοu can cοmpute the yearly depreciatiοn expense as fοllοws:

Cοst οf Asset - Residual Value / Useful Life = Depreciatiοn Cοsts

Inputting the values prοvided yields:

Depreciatiοn Expense = ($86,000 - $6,000) / 10 = $8,000 per year

The machine's οriginal cοst must be subtracted frοm the bοοk value at the end οf year twο in οrder tο determine the machine's value:

Bοοk Value at End οf Year 2 = Cοst οf Asset - (Depreciatiοn Expense x Number οf Years)

Bοοk Value at End οf Year 2 = $86,000 - ($8,000 x 2) = $70,000

Thus, the machine's bοοk value at the end οf year twο is $70,000.

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A statics class has 50 students and among those students, 35 are business majors and 7 like grilled cheese. Of the business majors, 3 like grilled cheese. Find the probability that a randomly selected statistic student is a business major or likes grilled cheese

Answers

The probability that a randomly selected statistics student is a business major or likes grilled cheese is 0.78.

What is probability?

Probability is defined as the ratio of the number of favorable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.

Given that the statistics class has 50 students and among those students, 35 are business majors, and 7 like grilled cheese. Of the business majors, 3 like grilled cheese.

The probability will be calculated as:-

P(AUB) = P(A) + P(B) - P(AB)

[tex]P(AUB)=\dfrac{35}{50}+\dfrac{7}{50}-\dfrac{3}{50}[/tex]

[tex]P(AUB)=\dfrac{42-3}{50}[/tex]

[tex]P(AUB)=\dfrac{39}{50}[/tex]

P(AUB) = 0.78

Therefore the probability that a randomly selected statistics student is a business major or likes grilled cheese is 0.78.

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write an algebraic expression to represent the phrase twelve dollars less than the original price. let p represent the unknown.

Answers

Answer:

p=O-12

Step-by-step explanation:

original price:O

12 less than O is "O-12"

therefore p=O-12

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Are the two triangles on the coordinate plane congruent?
A) No
B) Yes

Answers

Answer:

No.

Step-by-step explanation:

Given two triangles on a coordinate plane, you can check whether they are congruent by using the distance formula to find the lengths of their sides. If three pairs of sides are congruent, then the triangles are congruent by the above theorem.

Over here, they aren't congruent by the SSS.

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Parallelogram ABCD is a rhombus with measure EBC = 36. What is the measure of DAE?

picture below

Answers

I think it is C- 36

The amount of money Sally earns in dollars, P, varies directly with the number, n, of necklaces she sells. When Sally sells 15 necklaces she earns $150.

Answers

Answer:

Equation: [tex]P=10n[/tex]

[tex]P=40[/tex] when n = 4

Step-by-step explanation:

Given

Direct Variation: P ∝ n

When n = 15, P = 150

Required

Determine the equation

Her earnings if she sold 4 necklaces

P ∝ n

Convert variation to equation

[tex]P=kn[/tex]

When P = 150, n = 15 (Substitute these values in the given equation)

[tex]150=k\times15[/tex]

Divide both sides by 15

[tex]\dfrac{150}{15} =\dfrac{k\times15}{15}[/tex]

[tex]10=k[/tex]

[tex]k=10[/tex]

Substitute k = 10 in [tex]P=kn[/tex]

[tex]P=10\times n[/tex]

[tex]P=10n[/tex] ------- Equation that relates P and n

When she sold 4 necklaces, n = 4

Substitute n = 4 in the formula above

[tex]P=10\times4[/tex]

[tex]P=40[/tex]

Roberto must make his costume for the school play. He needs a piece of fabric that is 2 2/3 yards long and 1 1/2 yard wide. What is the area of the piece of fabric Roberto needs?

Answers

Roberto needs 4 square yards of fabric to make his costume.

What is improper fraction?

A fraction that has the numerator higher than or equal to the denominator is said to be inappropriate. For instance, the fraction 7/3 is incorrect since 7 is bigger than 3. Mixed numbers, which combine a whole number and a correct fraction, can be created from improper fractions.

Given that, piece of fabric that is 2 2/3 yards long and 1 1/2 yard wide.

Convert the length from a mixed number to an improper fraction:

2 2/3 = (2 x 3 + 2)/3 = 8/3

1 1/2 = 3/2

The area of the rectangle is:

Area = Length x Width

Substituting the values we have:

Area = (8/3) x (3/2) = 4

Hence, Roberto needs 4 square yards of fabric to make his costume.

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Find a vector x orthogonal to the row space of A, and a vector y orthogonal to column space, and a vector z orthogonal to the nullspace: A = [1 2 1 2 4 3 3 6 4].

Answers

A vector x orthogonal to the row space of A, and a vector y orthogonal to column space, and a vector z orthogonal to the null space. The orthogonal vector is :

A = [tex]\left[\begin{array}{ccc}1&2&1\\2&1&0\\1&-2&2\end{array}\right][/tex]

The orthogonal complement of the subspace V contains any vector perpendicular to V. This orthogonal subspace is denoted V⊥. (pronounced "V perp").

By this definition, null space is the orthogonal complement of row space. Every x perpendicular to the line satisfies Ax = 0 and lies in null space.

vice versa. If v is orthogonal to null space, it must be in row space. Otherwise, we can add this v as an extra row of the matrix without changing its null space. The rice space will become larger, breaking the rule of r+(n−r) = n.

The column space extent of A. These two vectors are the basis of col(A) , but they are not normalized.

In this case, the columns of A are already orthonormal, so you don't need to use the Gram-Schmidt procedure. To normalize a vector and then divide it by its norm:

                   [tex]\left[\begin{array}{ccc}1&2&1\\2&4&3\\3&6&4\end{array}\right][/tex]

and the vector after orthogonal process is:

                  [tex]\left[\begin{array}{ccc}1&2&1\\2&1&0\\1&-2&2\end{array}\right][/tex]

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Samir bought three pounds of strawberries for $12.00. What is the price, in dollars
per ounce of strawberries?
1 pound = 16 ounces
Before you try that problem, answer the question below.
How many ounces of strawberries did Samir buy?

Answers

Samir bought 48 ounces of strawberries (3 pounds x 16 ounces per pound = 48 ounces).
To find the price per ounce, we can divide the total cost by the number of ounces:
$12.00 ÷ 48 ounces = $0.25 per ounce.
Therefore, Samir paid $0.25 for each ounce of strawberries he bought.
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