I WILL GIVE BRAINLIEST!!!

Answer:

Results are below.

Step-by-step explanation:

Giving the following information:

Fixed costs= $7,900

Unitary cost per sandwich= $1.7

Selling price per unit= $7.75

To calculate the break-even point in units and dollars, we need to use the following formula:

Break-even point in units= fixed costs/ contribution margin per unit

Break-even point in units= 7,900 / (7.75 - 1.7)

Break-even point in units= 1,306 sandwiches

Break-even point (dollars)= fixed costs/ contribution margin ratio

Break-even point (dollars)= 7,900 / (6.05 / 7.75)

Break-even point (dollars)= $10,120

The average rate of change per hour in the temperature is 0.83 degrees.

To find the average rate of change per hour, we need to divide the total change in temperature by the number of hours over which the temperature changed.

The temperature rose by 5 degrees from 6:00 am to 12:00 pm, which is a period of 6 hours.

Therefore, the average rate of change per hour can be calculated as follows:

average rate of change per hour = total change in temperature / number of hours

So, we have

average rate of change per hour = 5 degrees / 6 hours

average rate of change per hour = 0.83 degrees/hour (rounded to two decimal places)

So, the average rate of change per hour is 0.83 degrees.

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Answer:

y² = 36x

Step-by-step explanation:

Parabola opens right.

Thus equation is from; y² = 4ax

And focus is at (a, 0)

Since we are given focus at (9, 0),it implies that a = 9

Thus, equation of parabola is;

y² = 4 × 9 × x

y² = 36x

Answer:

N/A

Step-by-step explanation:

the question is not in depth could you add a photo

Answer:

D. -29.5

Step-by-step explanation:

−14.160÷−0.48

Expand -14.16 over -0.48 by multiplying both numerator and the denominator by 100.

-1416 / -48

and lastly reduce the fraction -1416 / -48 to lowest terms by extracting and canceling out -24 to get 592/2 and

59/2 = 29 1/2 = 29.5

The order from lowest to highest potential employment in the STEM career cluster is Life, Physical, and Social Science → Architecture and Engineering → Mathematics.

The best option that lists the employment potential in the Science, Technology, Engineering, and Mathematics (STEM) career cluster from lowest to highest potential is:

Life, Physical, and Social Science → Architecture and Engineering → Mathematics.

Here's why:

1. Life, Physical, and Social Science: This category includes fields such as biology, chemistry, physics, environmental science, social science research, and related disciplines. While these fields have significant employment potential, they typically have a lower demand compared to other STEM fields.

2. Architecture and Engineering: This category encompasses careers in designing and constructing structures, such as architects and engineers. It generally offers higher employment potential compared to life and physical sciences.

3. Mathematics: Mathematics involves mathematical theory, analysis, and applications. Careers in mathematics typically have higher employment potential due to their broad applications across various industries, including finance, data analysis, computer science, and research.

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Answer:

271.32$

Step-by-step explanation:

If it is 20% off, we can take it as 100-20, where 399 is 100, and you get 80 from the 100-20, so we multiply 399 by 80%, which is also 0.8 and get 319.20$. We do the same thing for the 15% so multiply by 0.85 and get 271.32$.

Pls give brainliest

The statement that best analyzes the role this event plays in The Necklace plot is A. It leads to the resolution where Mathilde learns (a little too late) a lesson about the downfall that can come from vanity and greed.

There are both planned and unplanned events, and the start and end times may be noted. Event types include accidents, celebrations, natural disasters, and rallies. The event is the occurrence of the event.

Loisel is well-liked and adored by all. As she walks away, she searches for the pendant and discovers it has gone missing. After days of searching, she and her husband decide to replace it with something similar. It takes her ten decades to pay for the successor, which costs the same as your salary.

In this case, it best analyzes the role this event plays in leading to the resolution where Mathilde learns a lesson about the downfall that can come from vanity and greed The plot of The Necklace.

Therefore, the correct option is A.

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Complete question

Which statement best analyzes the role this event plays in The Necklace plot?

“Oh, my poor Mathilde! Why, my necklace was paste! It was worth at most only five hundred francs!”

It leads to the resolution where Mathilde learns (a little too late) a lesson about the downfall that can come from vanity and greed.

It is the climax of the story since the reader is most excited at this point.

It serves as a complicating incident because Mathilde will have to suffer the consequences of her actions.

It serves as the falling action because it shows that Mathilde will have to get used to her place in life.

Simple linear regression results are indeed sensitive to mild departures from the underlying assumptions.

The assumptions underlying simple linear regression include:

Linearity:

The relationship between the independent variable (x) and the dependent variable (y) is linear.

Independence: The observations are independent of each other.

Normality:

The residuals (the difference between the observed values of y and the predicted values of y) are normally distributed.

Equal variance (homoscedasticity):

The residuals have equal variance for all values of x.

If any of these assumptions are violated, it can lead to biased and inefficient estimates of the regression coefficients, inaccurate standard errors, and incorrect statistical inference.

Even mild departures from these assumptions can affect the accuracy of the results.

It is important to check for these assumptions and, if necessary, use alternative methods such as robust regression or nonparametric regression to obtain more accurate results.

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Let the unknown equal Angle measures be x

now, according to question :

hence, the unknown equal angles are 51.5° each !!

Answer:

u & v = 8

Step-by-step explanation:

This triangle is a special 45-45-90 triangle!

In a 45-45-90 triangle, to solve for the hypotenuse use the formula

\(h=(sidelength)*\sqrt{2}\)

Here we see that 8 is being multiplied by radical 2!

We can prove that 8 is the side length by using the Pythagorean Theorem!

Answer:

The side length of an equilateral triangle whose side length is approximately 4.3 centimeters.

Step-by-step explanation:

By Geometry, we know that each internal angle in equilateral triangles equals 60º. Trigonometrically speaking, we remember that length of the altitude of an equilateral triangle (\(h\)), in centimeters, is:

\(h = l\cdot \sin 60^{\circ}\) (1)

Where \(l\) is the side length, in centimeters.

If we know that \(l = 5\,cm\) and \(\sin 60^{\circ} = \frac{\sqrt{3}}{2}\), then the height of the equilateral triangle is:

\(h \approx 4.3\,cm\)

The side length of an equilateral triangle whose side length is approximately 4.3 centimeters.

Answer:

Step-by-step explanation:

cat

The hotel makes a random purchase of 3 flat screen high definition television sets out of the 7 available. We need to determine the number of defective sets purchased by the hotel, represented by the variable x.

Since there are 2 defective sets out of the total 7, we can use combinations to calculate the probability. The number of ways to choose x defective sets out of 2 is given by \(C(2, x).\)

Similarly, the number of ways to choose (3 - x) non-defective sets out of the remaining (7 - 2) non-defective sets is given by \(C(5, 3 - x).\)

To find the probability, we divide the number of favorable outcomes (x defective sets and 3 - x non-defective sets) by the total number of possible outcomes (choosing any 3 sets out of 7).

Therefore, the probability of the hotel purchasing x defective sets out of the 3 purchased sets is given by the formula \(P(x) = (C(2, x) * C(5, 3 - x)) / C(7, 3).\)

To find the probability of the hotel purchasing at least 1 defective set, we calculate \(P(x = 1) + P(x = 2).\)

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The correct answer is:  OC. True. The zeros of f' are the local extrema of f.

By the first derivative test, if f'(x) changes sign from positive to negative at a critical point, then there is a local maximum at that point. If f'(x) changes sign from negative to positive at a critical point, then there is a local minimum at that point.

In this case, the zeros of f' are -3, 1, and 4, which are the critical points of f. Therefore, by the first derivative test, there are local extrema of f at these points.

Option A is incorrect because the denominator of f' is not relevant in determining the local extrema of f. Option B is incorrect because the zeros of f' are not necessarily inflection points. Option D is incorrect because a zero of f' is not necessarily a local extremum unless f'(x) changes sign at that point.

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Answer: x is the angle of the tricundicular angle of the imperfect triangle. It’s like area but it’s an imperfect triangle, there’s is also 2 different numbers that u should get from this

Step-by-step explanation: pls mark brainliest

Add all her expenses =2024.08

Then divide by 165=12.268

Go with choice 12.27

Answer:

$12.27, B, top left answer thingie on ttm

Step-by-step explanation:

To solve, you need to add her expenses of everything to get 2024.08.

You know she works 165 hours each month, so you need to divide the 2024.08 total expenses by 165 to get her minimum hourly wage. 2024.08/165 = 12.267151515....

You can only have two decimals in money so just round up to make it easier so 12.267151515 ~ 12.27.

Hence 12.27.

Units: Money so $$$$$

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Hope this helps!

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Answer:

x = 28

Step-by-step explanation:

Let the total number of students = x

x/7 + 3x/7 + 2x/7 + 4 = x If that is all there is.  If it isn't the problem can't be done. Combine like terms.

x(1 + 3 + 2)/7 + 4 = x

x (6/7) + 4 = x                       Subtract 6x/7 from both sides

4 = x - 6x/7

4 = 7x/7 - 6x/7                     Combine

4 = 1/7x                                Multiply both sides by 7

4*7 = 7x / 7

x = 28

Because the product between the slopes is -1, we can see that the lines are perpendicular.

Two lines are perpendicular if the product between the slopes is -1, and we know that the slope of a line that passes through (x₁, y₁) and (x₂, y₂) is given by:

a = (y₂ - y₁)/(x₂ - x₁)

The sloipe of the line  through points P(–2, –5) and Q(5, –7)  is:

a = (-7 + 5)/(5 + 2) = -2/7

The slope of the line through points R(4, 0) and S(2, –7) is:

a' = (-7 - 0)/(2 - 4) = 7/2

The product between these two is:

a*a' = (-2/7)*(7/2) = -1

so the lines are perpendicular.

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The set of scores has a mean of 5 and a standard deviation of 2. The score which corresponds to a z score of -2.0 is 1.

Given in the question,

Mean (m) = 5

Standard deviation σ =2

Z-score = -2

The score x,

= Z = x - m / σ

= -2 = x - 5 / 2

= -4 = x - 5

= x = 1

Standard deviation in statistics means the amount of dispersion or variations in the set of values. A lower standard deviation means the value is closer to the mean while a higher standard deviation means the value is farther away from the mean.

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Because lines a and b are parallel and lines e and f are parallel, the value of "x" is 82 degrees.

Parallel lines are coplanar infinite straight lines that do not cross at any point in geometry. Parallel planes are planes that never intersect in the same three-dimensional space. Parallel curves are those that do not touch or intersect and maintain a constant minimum distance. Parallel lines are lines that are always the same distance apart in a plane. Parallel lines never cross. Perpendicular lines are those that connect at a straight angle (90 degrees). Parallel lines are lines in a plane that never intersect, no matter how far they are extended. The distance between the parallel lines is continuous since they never intersect.

Here,

Remember that vertical angles are generated by crossing lines that form two non-adjacent angles. These angles are congruent because they have the same vertex.

Take a look at the attached figure. Because lines "a" and "b" are parallel, the angles 82° and x° are vertical angles. As a result, they are congruent.

The value of "x" is 82 degree as lines a and b are parallel and lines e and f are parallel.

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Answer:

true

Step-by-step explanation:

Answer:

1. Based on the grades, it is likely that Class 1 was the lecture class and Class 2 was the small group class. This is because the grades in Class 1 have a wider range (70-90) and a larger variance, while the grades in Class 2 are more tightly clustered together (82-90) and have a smaller variance.

2. Histograms or box plots could be drawn to compare the shapes of the distributions, but we cannot do this through text.

3. The most appropriate measure of center for these data sets is the mean, since the distributions are approximately symmetric. The most appropriate measure of spread for these data sets is the standard deviation, since the distributions are not strongly skewed and there are no extreme outliers.

Step-by-step explanation:

The correct values are,

                     Q1            Q2       IQR   Mean      Median         MAD

Class 1            76.25         81.75    5.5      79.35         79.50       3.12

Class 2             84             88        4           84.60         86           3.85

Subtraction in mathematics means that is taking something away from a group or number of objects. When you subtract, what is left in the group becomes less.

Now, The first step is to arrange the grades in the classes in ascending order.

Class 1: 70, 72, 74, 75, 76, 77, 77,77, 78, 79, 80, 80, 80, 81, 81, 82, 84, 86, 88, 90

Class 2: 70, 77, 79, 82, 84, 84, 84, 84, 86, 86, 86, 86, 86, 87, 88, 88, 88, 88, 89, 90

Hence, We get;

Q1 for class 1= 1/4(n + 1) = 21/4 = 5.25 = 76.25

Q2 for class 2 = 1/4(n + 1) = 5.25 = 84

Q3 for class 1= 3/4(n + 1) = 15.75 = 81.75

Q3 for class 2 = 3/4(n + 1) = 15.75 = 88

And,

IQR for class 1 = Q3 - Q1 = 81.75 - 76.25 = 5.50

IQR for class 2 = Q3 - Q1 = 88 - 84 = 4

Mean for class 1 = sum of grades / total number of grades = 1587 / 20 = 79.35

Mean for class 2 = sum of grades / total number of grades= 1692 / 20 = 84.6

Median for class 1 = (n + 1) / 2 = 21/2 = 10.5 = 79.50

Median for class 1 = (n + 1) / 2 = 21/2 = 10.5 = 86

Since, We know that;

MAD = 1/n ∑ l x - m(x) l

Where: n = number of observations

x = number in the data set

m = mean

Hence,

Mean absolute deviation for class 1 = 62. 3/ 20 = 3.12

Mean absolute deviation for class 2. = 77/ 20 = 3.85

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It is not possible to make a prediction about the number of items purchased by someone who paid $35 without more information.

Addition is a mathematical operation that combines two or more numbers to create a new, larger number. The result of an addition operation is called the sum. Addition is typically denoted by the plus sign (+), and the numbers being added are called addends. Addition is a basic arithmetic operation and is used extensively in mathematics. It is one of the four basic operations, along with subtraction, multiplication, and division. Addition is commutative, meaning that the order in which the addends are added does not affect the sum.

Here,

In order to make a reasonable prediction about the number of items purchased, we would need to know the cost of each item, any discounts or promotions applied, and any additional fees or taxes. Without this information, any prediction about the number of items purchased would be purely speculative.

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Answer:

(x + 7) = 41

Step-by-step explanation:

Let the number of lions in the wildlife reserve = x

Since, 7 lion cubs were born, so the total number of lions in the wildlife reserve will be (x + 7)

Now total number of lions = 41

Therefore, equation representing this situation will be,

(x + 7) = 41

Answer:

Choice B) B \sqrt{29} 29 ​ square root of, 29, end square root = √29

Step-by-step explanation:

When given coordinates, the distance between those points(coordinates) is calculated as:

Distance = √(x2 - x1)² +(y2 - y1)²

Given(x1, y1), (x2, y2)

Fromm the question, we are given points(4,7) and (2,2)

Distance = √(x2 - x1)² +(y2 - y1)²

= √(2 - 4)² + (2 - 7)²

= √-2² + -5²

= √4 + 25

= √29

Therefore, Choice B is the answer = √29