HELP ME if u can i'll give brainilest if yuor answer is correct.

Hi Student!

The first step to solving our question is to understand the problem statement and to extract important information that will be useful.  We are told that the local candy shops sells Jelly Beans for $2 a pound and Chocolate Melts for $3 a pound.  We are also told that Kelsi has no more than $12 to spend.  Finally, we are told that the purpose of this question is to write an inequality to capture the scenario.

We know that we have two variables, the variable x for jelly beans and the variable y for chocolate melts.  Creating an inequality we need to capture the total of these two should be no more than $12.  This means that it isn't just less than $12 but that it can also include $12; therefore, we use a less-than-equal sign.

Create an expression

This inequality captures the goal of our expression which is to see how two items combined should be less than the total price that we want to spend.  Let's create a new inequality with updated numbers with our information.

Plug in values

Simplify to just numbers

After plugging in the values, we have a lot of unnecessary information such as the dollars signs or words so we can remove that and just have the numbers to show that is going on.

Therefore, our final answer is that the inequality that best represents this scenario is \(2 x + 3y\leq 12\)

Answer:

a

Step-by-step explanation:

The author would have sold  12,699 books over the first 6 months.

To find the total number of books the author would have sold over the first 6 months

we can use the formula for the sum of a geometric series.

The first term (a) is 27500, and the common ratio (r) is 0.9 (since the sales decline by 10% each month).

The sum of a geometric series is given by the formula:

S = a(1 - rⁿ) / (1 - r),

where S is the sum, n is the number of terms.

Plugging in the values, we have:

S = 27500 × (1 - 0.9⁶) / (1 - 0.9).

Calculating this expression:

S = 27500(1 - 0.531441) / (1 - 0.9)

= 27500×0.468559 / 0.1

= 12698.647

= 12699.

Hence,  the author would have sold 12,699 books over the first 6 months.

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Given:

The number of faces =8.

Required:

We need to find the polyhedron with 8 faces.

Explanation:

Recall that the tetrahedron is a polyhedron composed of four triangular faces

The number of faces in tetrahedron =4.

Recall that the octahedron is a polyhedron with 8 faces.

The number of faces in the octahedron= 8.

Recall that the dodecahedron is a polyhedron with 12 faces.

The number of faces in the dodecahedron = 12.

Recall that the icosahedron is a polyhedron with 20 faces.

The number of faces in icosahedron =20.

Final answer:

octahedron

Answer:

Step-by-step explanation:

Answer:

6.6%

Step-by-step explanation:

Answer:

The lowest length on the third side is less that 30 and the largest is between 40 and 30

Step-by-step explanation:

Using it's concept, the average rate of change is given as follows for the intervals:

a) -6 millions of dollars per year.

b) -18 millions of dollars per year.

The average rate of change of a function is given by the change in the output divided by the change in the input. Hence, over an interval [a,b], the rate is given as follows:

\(r = \frac{f(b) - f(a)}{b - a}\)

For item a, we have that:

Hence:

r = (366 - 372)/1 = -6 millions of dollars per year.

For item b, we have that:

Hence:

r = (318 - 372)/3 = -18 millions of dollars per year.

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In high-dimensionality data settings, sample size and statistical power considerations play a crucial role in the performance and effectiveness of classification algorithms. Sample size refers to the number of observations or data points available for analysis in a dataset.

In such settings, where the number of variables or features is large, the sample size becomes even more important. With a limited sample size, there is a risk of overfitting, where a model performs well on the available data but fails to generalize to new, unseen data.

This is because the model may be capturing noise or random fluctuations in the data rather than true patterns or relationships.

Statistical power refers to the ability of a statistical test to detect an effect or relationship if it truly exists in the population. In high-dimensional settings, statistical power can be compromised due to the "curse of dimensionality."

As the number of variables increases, the amount of data required to achieve a desired level of statistical power also increases.

To address these challenges, researchers often employ techniques like cross-validation and resampling to estimate model performance and assess the robustness of the results.

Additionally, feature selection or dimensionality reduction methods can be used to reduce the number of variables and improve the sample size to variable ratio.

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Answer:

Greatest:8 2/5  

least:3/26

Step-by-step explanation :Hope im right:)But if im wrong try listening to your teacher you might understand if you do that:)

The correct unit of measure for the mean of the sampling distribution of I is A. Dollars.

The original distribution of prices for the car model is given in dollars, and the mean of the sampling distribution represents the average price of a random sample of 4 cars from that distribution. Hence, the correct unit of measure should be in dollars also.

In statistics, the mean is a measure of central tendency that represents the average value of a dataset. It is calculated by adding up all the values in a dataset and dividing by the number of observations. The formula for the mean of a dataset is:

mean = (sum of observations) / (number of observations)

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The value of the given elements are: 0.829.

Given:

The given numbers are: 8,9,33,44,57,60,62,64,73,74,77,86

Here, the largest Number is 86 = Xₐ

and the smallest number is 8 = Xₙ

Now,

Range = Xₐ -Xₙ

           = 86 - 8

           = 78

Therefore,

Coefficient  of Range = Xₐ - Xₙ / Xₐ +Xₙ

                                    = 86 - 8 / 86 +8

                                    = 78 / 94

                                    = 0.829

Therefore, the value is 0.829.

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Answer:

- 226

Step-by-step explanation:

ARITHMETIC SEQUENCE.

Number of term of an Arithmetic progressions has the formular.

Tn = a + ( n - 1 ) d

From the question,

First term ( a ) = 70

common difference = T2 - T1 = 63 - 70 = -7

For the 49th term

T49 = a + 48d

= 70 + 48 ( -7 )

= 70 - 336 = - 226

Answer:

24 pages

Step-by-step explanation:

A product-focused process is commonly used to produce: high-volume, low-variety products.

There are other types of processes. This process is completely developed around the product, it is considered a continuous process with high volume of products that have low variety. It presents a high facility utilization (this is considered an advantage), organized by product, which receives a high-fixed price, but the variable cost is low.

Product focused prodction is one that focuses on improving the product by arranging sets of people into production lines to increase efficiency of production.

Equipment and people are grouped based on products being produced. For example in a manufacturing plant assembly lines are formed that focuses on one product.

This tends to be used for products that have low differentiation and are to be produced on high volume.

Example automobile plants, clothing factories, and food factories.

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The variable or factors that the unknown function depends on are referred to as the independent variables.

Everything that track in the study and what is impacted by it are both considered dependent variables. Depending on the independent variable, the dependent variable will change. Because it "depends" on the independent variable, it is known as a dependent variable. The dependent variable on other measurable variables As a result of an experimental modification of the independent variable or variables, these variables should change.

The amount of study one did, how much sleep one got the night before the test, or even how hungry he or she were can all affect your test result, which makes it a dependent variable. As an example, the test score might be a dependent variable.

Differential equations that have a constant power of one are known as linear differential equations.

A linear ordinary differential equation is what the given differential equation is.

The highest derivative that appears in the connection determines the order of a differential equation.

Consequently, the differential equation has an order of 1.

The variable or factors that the unknown function depends on are referred to as the independent variables.

As a result, in the above differential equation, t is independent and p is dependent variable.

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The complete question is as follows:

Answer:

C

Step-by-step explanation:

y=mx+b m=slope b=y-intercept, y-int: 4 slope: 3/1 but can just be put as 3. y=3x+4 bc it's a positive slope with a positive y-int.

Answer:

Just go up by 5

Step-by-step explanation:

By using the combination formula (a) 8 kids can be lined up in 40,320 ways. (b) Felicia next to Bob has 5,040 arrangements. (c) Felicia next to Bob and Hubert has 720 arrangements. (d) Felicia next to one of her three friends has 4,320 arrangements.

(a) There are 8 kids, so there are 8! (8 factorial) ways to line them up, which is equal to 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 = 40,320 ways.

(b) If Felicia is next to Bob, we can treat Felicia and Bob as a single entity. So, there are 7 entities to arrange, which gives us 7! = 5,040 ways.

(c) If Felicia is next to both Bob and Hubert, we can treat Felicia, Bob, and Hubert as a single entity. So, there are 6 entities to arrange, which gives us 6! = 720 ways.

(d) If Felicia is next to exactly one of her three best friends, there are 3 possible friends she can be next to. For each friend, we can treat Felicia and the friend as a single entity. So, there are 2 entities to arrange (Felicia & friend) and 6 other entities, giving us 3 x (2 x 6!) = 3 x 2 x 720 = 4,320 ways.

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Answer:

--1/2 or -0.5

Step-by-step explanation:

Step-by-step explanation:

cos 30° cos 90° - sin 30° sin 90°

cos 30° = √3/2

cos 90°=0

sin30°= ½

sin 90°=1

= √3/2(0) -½(1)

=-½

The area of the pentagon is given by A = 688.19 mm²

Given data ,

Let the area of the pentagon be represented as A

Now , the value of A is

Let the side length of the pentagon be a

where A = ( 1/4 )√5 ( 5 + 2√5 ) a²

On simplifying , we get

A = ( 1/4 ) √5 ( 5 + 2√5 )( 20 )²

On further simplification , we get

A = 688.19096 mm²

Hence , the area is A = 688.19 mm²

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According to the question the 90th percentile of the average wingspan is approximately 15.1419.

To determine if we can use the normal distribution to model the sample mean  \((\( \bar{x} \))\) , we need to check if the sample size is large enough and if the population distribution is approximately normal.

In this case, the sample size is 20, which is considered large enough. Additionally, the population distribution of wing spans is given as normally distributed. Therefore, we can use the normal distribution to model the sample mean.

The mean of \(\( \bar{x} \) (sample mean)\) is the same as the mean of the population, which is 15mm.

The standard deviation of \(\( \bar{x} \) (sample mean)\) is given by the formula:

\(\[ \text{Standard deviation of } \bar{x} = \frac{\text{Standard deviation of population}}{\sqrt{\text{Sample size}}} \]\)

Plugging in the values, we have:

\(\[ \text{Standard deviation of } \bar{x} = \frac{0.5}{\sqrt{20}} \approx 0.111 \text{ mm} \]\)

To calculate the probability that the average wingspan is higher than 15.15 mm, we need to calculate the z-score for 15.15 mm using the formula:

\(\[ z = \frac{\text{Value} - \text{Mean}}{\text{Standard deviation}} \]\)

Plugging in the values, we have:

\(\[ z = \frac{15.15 - 15}{0.111} \approx 1.35 \]\)

Using a standard normal distribution table or calculator, we can find the probability associated with a z-score of 1.35. Let's denote this probability as \(\( P(Z > 1.35) \).\)

To find the 90th percentile of the average sample wingspan, we need to find the z-score associated with a cumulative probability of 0.90. Let's denote this z-score as \(\( Z_{0.90} \).\)

The calculator function we would use to compute the 90th percentile would be \(\( \text{invNorm}(0.90) \) or \( \text{invNorm}(0.90, \text{mean}, \text{standard deviation}) \).\)

Using the calculator function, we can find the 90th percentile of the average wingspan:

\(\[ \text{90th percentile of the average wingspan} = \text{invNorm}(0.90, 15, 0.111) \]\)

To find the 90th percentile of the average wingspan, we can use the formula:

\(\[ \text{90th percentile of the average wingspan} = 15 + 0.111 \cdot \text{invNorm}(0.90) \]\)

Using this formula, we can calculate the value. By evaluating the inverse normal function at a cumulative probability of 0.90, we find that

\(\(\text{invNorm}(0.90) \approx 1.2816\)\).  

Plugging this value into the formula, we have:

\(\[ \text{90th percentile of the average wingspan} = 15 + 0.111 \cdot 1.2816 \]\)

Evaluating the expression, we get:

\(\[ \text{90th percentile of the average wingspan} \approx 15.1419 \]\)

Therefore, the 90th percentile of the average wingspan is approximately 15.1419.

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Answer:

Its A

Step-by-step explanation:

There are no reflections and there are no compresses or stretches

Answer:

ANSWER IS x = 2.6

\(5x + 13 = \: 2.6\times 6\)

Step-by-step explanation:

\(5x + 13 \\ x = 13 \div 5 \\ x = 2.6\)

Answer:

Selling price : $52

Step-by-step explanation:

First, find 30% out of 40.

x= (40)(30)=1200/ 100= 12

x=12

Add 30% to the original selling price.

So then you add $12 to $40 to get $52.

Answer:

A. 72

B. 3

C. 135

Step-by-step explanation:

A. 12 x 6 = 72

B. 15 x 3 = 45 so Nina raise 3x more money than Sandra

C. 45 x 3 = 135

Answer:

1 7/10 or 1.70

Step-by-step explanation:

6 1/2 - 9/10

Convert the mixed number to an improper fraction

13/2 - 9/10

Find a common denominator for these 2 fractions, and in this case it can be 10

13 * 2/ 5 * 2

26 / 10 - 9/10

17/10

1 7/10 as a fraction or 1.70 as a decimal

Hope this helped!

Have a supercalifragilisticexpialidocious day!

Answer:

C

Step-by-step explanation:

Answer:

5-2x=12

-5. -5

-2x=7 so ans shld be -2x=7

Answer:

-2x = 7

Step-by-step explanation:

Problem to solve:

5 - 2x = 12

Step 1:

We need to isolate the dependent variable x, we can do that by subtracting 5 from both sides of the equation.

=

-2x = 7

Step 2: (to find x)

Divide both sides of the equation by -2

=

\(x = -\frac{7}{2}\)

Hope this helped :)

if angle m∠2 = 120°, then m∠7 is 120°.

An angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle.

Supplementary angles are those angles that sum up to 180 degrees.

Given that  m∠2 = 120°.

We have to find the  m∠7.

m∠2  and m∠4 are supplementary angles.

120+m∠4=180

m∠4=60 degrees.

m∠4 is corresponding angle of m∠8.

m∠8 and m∠7 are again supplementary angles.

60+m∠7=180

m∠7=120 degrees.

Hence, if angle m∠2 = 120°, then m∠7 is 120°.

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Answer:

$62.17

Step-by-step explanation:

18.62 + 43.55 = 62.17

Answer:

$62.17

Step-by-step explanation:

we can find out how much she had before she bought groceries by adding the amount she spent to the amount she had left.

43.55 + 18.62 = 62.17

therefore, the answer is $62.17