You usually buy the same small bottle of shampoo. There is a larger, 6. 7-ounce bottle that says it gives you 25% more free. What is the size in ounces of the original smaller bottle of shampoo? round your answer to the nearest tenth.

The break-even point in unit sales of the company is $7,625.

According to the question,

Thus,

Break-even point =  fixed costs/margin per unit

Break-even point = $305,000/$40

Break-even point = $7,625

Thus, the break-even point in unit sales of the company is $7,625.

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The legend chart element will tells the category of data that each line represents the lines.

Lines:

Lines refers a one-dimensional figure, which has length but no width.

Given,

suppose that a line chart includes several lines.

Here we need to identify the chart element will tell you the category of data that each line represents.

Basically, chart is a visual representation of numeric data in a worksheet. And it helps you to identify trends, make comparisons, and recognize patterns in the numbers.

In order to get the clear information that appears in your chart, you can add a chart title, axis titles, and data labels.

The element legend or data table is used to represents the category of the data.

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Area of the other square is 7/20 cm²

Let side of the larger square be 'b' and side of the smaller square be 'a'.

Given the perimeter of the smaller square = 2 cm

⇒ 4a = 2

⇒ a = 2/4 = 1/2 cm

Given, ratio of the areas of squares = 5 : 7

⇒ area of smaller square/ area of larger square = 5 : 7

⇒ a²/b² = 5/7

⇒ (1/4)/b² = 5/7

⇒ b² = 7/(5×4) = 7/20

Therefore, area of the larger square = 7/20 cm²

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The correct value of x = 23.

Each interior angle of an n-sided regular polygon is given by 180 (n-2)/n degrees.

Given that:

n = 9

Therefore, each interior angle＝180 x (9-2)/9 degrees

Each interior angle = 180 x 7/9

Each interior angle = 140°

Each internal angle of a regular polygon having 9 sides is 140°.

Also, given that:

A 9-sided regular polygon with one angle equals 7x-21.

For the polygon to be a 9-sided regular polygon, the angles must equal 140°.

Checking the value of x from the given option which one satisfies the value of interior angle = 140°.

Option 1, x= 17

=> 7 x 17 - 21 = 98° which is wrong.

Option 2, x= 23

=> 7 x 23 - 21 = 161-21 = 140° which is correct.

Option 3, x= 29

=> 7 x  29 - 21 = 203-21 = 182° which is wrong.

Option 4, x= 140

=> 7 x 140 - 21 = 980- 21 = 959° which is wrong.

Only, the value of x = 23 satisfies the value of a 9-sided regular polygon with one angle equal to 7x-21.

Hence, the correct value of x = 23

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Answer:

The correct value of x = 23.

Step-by-step explanation:

After forming the algebraic equation, he equation of the given statement is 7x+80=3x−50.

In the given question,

Yvonne is thinking of a number.

Fifty decreased by three times the number is the same as seven times the number increased by 80.

We have to set it up in a equation.

To set it up in a equation we divide the step in small steps.

Firstly the statement is saying that fifty decreased by three times the number.

Let the number be x.

So three times of a number is 3x and 50 decreased means 3x−50.

Next statement is saying that seven times the number increased by 80.

As the number is x so seven times of a number is 7x and increased by 80 means 7x+80.

The both statement is equal to each other.

So 7x+80=3x−50

So the equation of the given statement is 7x+80=3x−50.

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Answer:

[tex]\frac{1}{2}[/tex]x

Step-by-step explanation:

3/5  is the same as 6/10

[tex]\frac{6}{10}[/tex] x - [tex]\frac{1}{10}[/tex]x

[tex]\frac{5}{10}[/tex]x = [tex]\frac{1}{2}[/tex]x

The ratio for the length of grey to red to bule is 4:9:3.

Ratio is the relation between two numbers which shows how much bigger one quantity than another. Ratio show how many times one contain show the other one.

According to the question

The given data are -

Grey = 0.8m

Red = 1.8 m

Bule = 0.6 m

By solving these we can get -

=0.8:1.8:0.6

=0.8×10:1.8×10: 0.6×10

=8:18:6

By simplifying it we can get

4:9:3.

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The vertex is (-2, 5) and The range is [5, ∞)

The correct option is (D) i.e.,  (−2, 5); 5 ≤ y < ∞

Given:

The Function is :

y =  |2x + 4| + 5

To find the vertex and range of the function.

What is vertex and range ?

The vertex is given by the coordinates (h, k), so all we need to consider is the k. For example, consider the function f(x)=3(x+4)2−6. a is positive and the vertex is at (−4,−6), so the range is all real numbers greater than or equal to −6.

Now, According to the question:

The function is given as:

y =   |2x + 4| + 5

So, According to the above statement is:

The vertex in y = |2x + 4| + 5

The vertex is (-2, 5)

The range in y =   |2x + 4| + 5

The range is all real numbers

The range is [5, ∞)

Hence, The vertex is (-2, 5) and The range is [5, ∞)

The correct option is (D) i.e.,  (−2, 5); 5 ≤ y < ∞

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(D) - (−2, 5); 5 ≤ y < ∞

5. An action or process of solving a problem

Thats all I can answer for u :D

The value of "a" for which the given equation has an infinite number of solutions is 2x.

We are given an equation. The equation is linear in nature. An equation is a mathematical statement that includes the sign "equal to" between two expressions with equal values. We need to find the value of the variable "a" such that the equation has infinite solutions. A variable is a quantity that can change in the context of a mathematical problem or experiment. The equation is : 2(x + 3) = a + 6. If an equation has infinite solutions, then the equation is called an identity. Identity is an equation that is true regardless of the values used.

2(x + 3) = a + 6

2x + 6 = a + 6

a = 2x

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Answer:

x = -2, y = 9

Step-by-step explanation:

x + y = 7 --1

2x² + y² = 35 - 3xy --2

For 1, make y the subject.

y = 7 - x

Substitute y = 7 - x into 2.

2x² + (7 - x)² = 35 - 3x(7 - x)

Simplify and solve for x.

2x² + (49 - 14x + x²) = 35 - 21x + 3x²

3x² - 14x + 49 = 3x² - 21x + 35

7x = -14

x = -2

Substitute x = -2 into y = 7 - x.

y = 7 - (-2)

= 9

Thus, x = -2, y = 9

Answer: A. The researcher computes difference scores to compute a t statistic

B. If the researcher has n number of participants to use in the experiment, then the degrees of freedom will be the same in a repeated-measures experiment or in a matched-subjects experiment

C. The researcher must compute an estimated standard error for the mean difference score to compute a t statistic.

D. Participants in both types of experiments are all measured the same number of times

A matched-subjects experiment produced a t statistic with a df of 9. How many subjects participated in this study?

A. 20

B. 10

C. 18

D. 9

For a repeated-measures experiment comparing two treatment conditions, the t statistic has a df of 11. How many subjects participated in this study?

A. 12

B. 22

C. 24

D. 11

Step-by-step explanation:

The local gym per month fees is $44.92

Define Division

Division is one of the four basic operations of arithmetic, the ways that numbers are combined to make new numbers. The other operations are addition, subtraction, and multiplication.

What do you mean by Cost ?

It's given that,

One year membership cost is = $539

So, per month cost will be = 539 / 12

                                            = 44.91666 or 44.92

Hence, the local gym per month fees is $44.92

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0.5852  is the process capability for the index when  standard deviation. is 0.14 mm .

What is standard deviation in math?

Cpk = minimum of [(23.0 - 22.8)/(3 *0.15),(22.8 - 22.6)/(3 * 0.15)]

=  (0.2/0.45) , ( 0.6/0.45)

=  (0.44 )( 1.33)

= 0.5852

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The value that lie above 25% of the data of the box plot is: 31.

Lower quartile (Q1) = 14

Upper quartile (Q3) = 31

A box plot tells us the following values of a data set as shown in the diagram attached:

Using the box plot that shows the information given about the data collected on the number of points scored, we can conclude that:

Lower quartile (Q1) = 14

Upper quartile (Q3) = 31

25% of the data lie above 31, which is the upper quartile.

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By using addition of integers, it has been calculated that

On drawing a yellow card, the player has to move 2 block backward

What is addition of integers?

At first it is important to know about integers

To find the sum total of two or more integers, addition operator is used on the integers

Here addition operator will be required

Let going forward be denoted by a positive sign and going backward be denoted by a negative sign

A blue card means move forward 4 squares.

A red card means move back 6 squares.

So we assign +4 to blue card and we assign -6 to red card

Now, drawing a yellow card is equivalent to drawing a blue card followed by a red card

Number of spaces moved by a player = (+4) + (-6)

                                                               = 4 - 6

                                                               = -2

So on drawing a yellow card, the player has to move 2 block backward

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Answer:

It is known that the sum of all three angles inside a triangle will be 180°.

So,   m∠D +  m∠E +  m∠F = 180°

(3x + 27) + (4x + 22) + 68 = 180

7x + 49 + 68 = 180

7x = 63

x = 9

So,  m∠D = (3(9) + 27)° = 54°.

The exterior angle of D = 180- 54 = 126°.

Hence "The sum of all interior angles of a triangle is 180° thus the measure of the exterior angle to ∠D is 126°".

The probability that a randomly selected CD player will have a replacement time of fewer than 8.0 years is 0.7389

P(X<8) = P((X-mean)/s <(8-7.1)/1.4)

= P(Z<0.64) = 0.7389 (from standard normal table)

= P(X>c)=0.02

= P(Z<(c-7.1)/1.4) = 1-0.02 = 0.98

= (c-7.1)/1.4 =2.05 (from the standard normal table)

= c = 7.1+2.05*1.4 = 9.97

Probability sampling alludes to the choice of an example from a populace when this determination depends on the rule of randomization, that is to say, irregular determination or possibility. Probability sampling is more intricate, additional tedious, and normally more exorbitant than non-probability sampling.

While picking a probability test plan, the objective is to limit the inspecting blunder of the evaluations for the main study factors, while at the same time limiting the time and cost of leading the review. A few functional limitations can likewise affect that decision, for example, the qualities of the survey frame.

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Answer:

Step-by-step explanation:

Let the missing part be x.

According to triangle proportionality theorem we have:

The required side is 28.

Similarity of a triangle is the ratio of their corresponding sides or angles which are equal .

Given that AB=35, AE=12 and CE=3.

Let BD=x ⇒ AD = 35-x

Triangle ΔABC and ΔADE are similar,

By using property of similarity,

AB/AC=AD/AE

35/15=35-x/3

x=28

value of side x=28.

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Answer:

Step 2

Step-by-step explanation:

He messed up because while changing the denominator (number on the bottom), he forgot to change the numerator (number on top).

It should be 2/8 instead of 1/8.

The monthly deposit for the amount to compound monthly would be $1515.15.

What is compounding?

Compound interest, also known as interest on principal and interest, is the practice of adding interest to the principal amount of a loan or deposit. It is considered to be the 8th wonder of  the world as it has great power in terms of money.

Main Body:

formula for compound interest monthly(C.I.)  =[tex]P(1+\frac{R}{12})^{12t} -P[/tex]

Here R- 3.7% = 0.037   ,  T=22 years  , C.I. = 500000    P=?

Calculating ,

500000 = P(1+[tex]\frac{0.037}{12}^{12*22}[/tex]) -P

500000 = P(1.25)

P= 400000 but it is for all time period.

so monthly deposit = P/12*22

                                = 400000/264

                                = 1515.15

Hence the answer is $1515.15.

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Use of the two-tailed test is advised. In order to compare the average across two years,

A random sample of 25 national capitals had their air quality measured in 2013, and the same cities had been visited again in 2014. We want to compare the average air quality between the two years using this data.

A one-sided or two-sided test should be used, right? Describe your thinking.

The two-tailed test should be used. We want to contrast the average across two years. If the test parameter calculated for the two years differs, it would be interesting to know. (There is no exact comparison to show if one year is better or worse than the other.)

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Area of semicircle is 76.93 [tex]units^{2}[/tex].

Given,

Diameter = 14 units

Radius = r = 14/2

                 = 7 units

Area of semicircle = [tex]\frac{1}{2}\pi r^{2}[/tex]

                               = (3.14*7*7)/2

                               = 153.86/2

                               = 76.93

Hence, Area of semicircle is 76.93 [tex]units^{2}[/tex].

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The answer choice which represents the location of any unit rate, m as graphed on a coordinating plane is; Choice 1; (1, m).

It follows from the task content that the answer choice which represents the location of any unit rate, m on a coordinate plane.

Hence, since the slope is defined as the rate of change on a graph such that slope = ∆y/∆x.

In this case, when the change in y with respect to x is to be equal to m.

Therefore, the location as required is the point defined by; (1, m).

Such that; Unit rate = (m - 0)/(1 - 0)

Ultimately, the required location of the unit rate is; Choice 1; (1, m).

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The probability is 0.0132.

Here we have mean and standard deviations for air samples from large cities.

According to large samples, the law sample average calculated from large samples is approximately equal to the population average.  

As here sample is taken from a large city, the sample is considered a large sample. Hence mean is approximately equal to the population mean. Also, it is considered a random sample is representative of the population and the sample standard deviation is approximate to the population standard deviation. Hence we can say that carbon monoxide concentrations in air samples from this city are normally distributed.

So here we have

μ = 12

σ = 9 , n = 100

Hence here we need to find,

= p (x > 14)

= p((x-μ /(σ/√n)) > 14-12/9/√100)

= p ( z > 2.22 )

= 1 - p ( z < 2.22 )

= 1 - 0.9868 (using excel formula = norm.s.dist(2.22,1))

= 0.0132

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The length of AC in triangle BAC is equal 10.7 units

In trigonometry, the cosine rule says that the square of the length of any side of a given triangle is equal to the sum of the squares of the length of the other sides minus twice the product of the other two sides multiplied by the cosine of angle included between them.

The formula is given as

AC² = AB² + BC² - 2(AB)(BC) cos AC

AC² = 6² + 7² - 2(6)(7)cos110

AC = 10.7

Using cosine rule, the length of AC is 10.7 unit.

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The winner of the race finished the race in eleven twenty-fourths(11/24) minutes which is option B

A fraction represented with its quotient and remainder is a mixed fraction. For example, 2 1/3 is a mixed fraction, where 2 is the quotient, 1 is the remainder. So, a mixed fraction is a combination of a whole number and a proper fraction.

Kyla finished her race in 1 3/8 minutes.

converting this to improper fraction, we have 11/8 minutes

The winner of the race finished in 1/3 of Kyla's time which is 1/3 x 11/8

= 11/24 minute

The winner of the race finished in 11/24 minute.

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a) Relation of recurrence for the number of bacteria remaining after n hours is   [tex]a_{n} = a_{n-1} + 2a_{n-1} - a_{n-2} = 3a_{n-1}-a_{n-2}[/tex]

b) the solution to this recurrence relationship is [tex]a_{n} = (50 + 30\sqrt{5}) [(3 + \sqrt{5}) / 2]^{n} - (30\sqrt{5} - 50) [(3 - \sqrt{5}) / 2]^{n}[/tex]

c) There will be more than a million microorganisms after 7 hours.

A recurrence relation is an equation that states that some combination of the previous terms and the nth term in a series of numbers equals 1.

a) a₀ = 100, a₁ = 300 Every hour the bacteria - bacteria before two hours, and every hour the bacteria + 2(existing bacteria). Consequently, the corresponding recurrence relationship is [tex]a_{n} = a_{n-1} + 2a_{n-1} - a_{n-2} = 3a_{n-1}-a_{n-2}[/tex]  where n is an hour reference.

(b) The associated difference equation is

r² - 3r + 1 = 0

⇒ r = [3 ± (√9 - 4)] / 2 = (3 ± √5) / 2

hence, the answer is [tex]a_{n} = a[(3 + \sqrt{5}) / 2] ^{n} + b [(3 - \sqrt{5}) / 2] ^{n}[/tex]

Using n = 0 as the initial condition, we have a₀ = 100 = a + b → (1)

putting n = 1,

⇒ √5 (a - b) = 300 → (2)

(1) ⇒ √5 (a + b) = 100√5

By combining these relationships, we have

a = [(300 + 100√5) / 2√5] = 50 + 30√5

therefore, b = 50 - 30√5

Consequently, the answer to the equation is [tex]a_{n} = (50 + 30\sqrt{5}) [(3 + \sqrt{5}) / 2]^{n} - (30\sqrt{5} - 50) [(3 - \sqrt{5}) / 2]^{n}[/tex]

c) if there are more than one million bacteria, i.e.

[tex]a_{n} = (50 + 30\sqrt{5}) [(3 + \sqrt{5}) / 2]^{n} - (30\sqrt{5} - 50) [(3 - \sqrt{5}) / 2]^{n} > 1,000,000[/tex]

⇒ log (50 + 30√5) + n {log (3 + √5)} - log2} - log {30√5 - 50} - n {log (3 - √5) - log2} > log 1,000,000

⇒ 2.06849 + n {0.719 - 0.3010} - 1.2325 - n {-0.41797} > 6

⇒ 0.835975n > 5.16401

⇒ n > (5.16401 / 0.83975)

Therefore, n > 6.177, or after 7 hours, there will be more than 1 million bacteria.

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