La un spectacol s-au vandut 2500 de bilete de trei categori 15 */. cu pretul de 14 lei biletul ,56*/. cu pretul de 10 lei biletul,iar restul cu pretul de 5 lei biletul.Calculati suma totala incasata

Answer:

13=11/3(0)+c

c=13

y=11/3X+13

Step-by-step explanation:

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sin O = 1/2 = p/h

p=1, h = 2.

by pythagoras tgeorem,

b =

\( \sqrt{3} \)

tan0= p/b

\(1 \div \sqrt{3} \)

Answer:

80

Step-by-step explanation:

8*10

The power series expansion of f(x) = ln(1 + x²) about a=0 can be found using geometric series, differentiation, and integration of power series. The expansion is given by:

ln(1 + x²) = x² - (1/2)x⁴ + (1/3)x⁶ - (1/4)x⁸ + ...

To find the power series expansion, we start by considering the geometric series expansion of ln(1 + x). Using the formula for the sum of an infinite geometric series, we have:

ln(1 + x) = x - (1/2)x² + (1/3)x³ - (1/4)x⁴ + ...

Now, we substitute x² for x in the above series to get the power series expansion for ln(1 + x²):

ln(1 + x²) = x² - (1/2)(x²)² + (1/3)(x²)³ - (1/4)(x²)⁴ + ...

Simplifying the terms, we have:

ln(1 + x²) = x² - (1/2)x² + (1/3)x⁶  - (1/4)x⁸ + ...

The interval of convergence for this power series expansion is -1 < x < 1, which means the expansion is valid for values of x within this interval. The radius of convergence is 1, which indicates that the series converges absolutely for values of x within the interval -1 < x < 1.

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Answer:

Step-by-step explanation:

f(x) = -x² - 14

f(9) = -9² -14 = -81-14 = -95

Answer:

The answer is y<17

Step-by-step explanation:

First, move the constant to the right.

3y<65-14

Then, subtract 65 and 14

3y<51

Lastly, divide both sides by 3.

y<17

Answer:

Step-by-step explanation:

Only D has a chance of being correct. 7x means you multiply 7 and whatever x is together.

A and B look like they are added.

C looks like some sort of subtraction has taken place.

D: - 1 * 7 = - 7

4*7 = 28

5*7 = 35

Answer:

Your answer B y=5x

Step-by-step explanation:

I did this got it right

Answer:

A

Step-by-step explanation:

Each standard deviation from the mean covers 34.1 %

 2 x 34.1 = 68.2%   or  .682

During conventional Pavlovian conditioning, the conditional stimulus is repeatedly presented just before the unconditional stimulus.

In Pavlovian conditioning, the conditional stimulus (CS) and the unconditional stimulus (US) play crucial roles in shaping the learning process. The CS refers to a neutral stimulus that, through repeated pairing with the US, comes to evoke a conditioned response (CR) similar to the response elicited by the US. The US, on the other hand, is a stimulus that elicits an unconditioned response (UR) naturally and without prior learning. In the context of conventional Pavlovian conditioning, the CS is repeatedly presented just before the US. This temporal association allows the CS to become a reliable predictor of the US, leading to the formation of an association between the two stimuli. As a result, the CS acquires the ability to elicit a CR that resembles the UR evoked by the US. This process is often referred to as classical conditioning or associative learning, where the CS serves as a signal for the upcoming US and triggers the conditioned response.

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The answer of the given question based on the graph could be used to determine the variance levels that would result in a package of vegetables is histogram.

A histogram is a bar graph-like representation of data that groups data into ranges, called bins, and displays the frequency of data within each bin. In this case, the x-axis of the histogram would represent the weight of the vegetable packages, and the y-axis would represent the frequency of packages that fall within each weight bin.

To determine variance levels that would result in package of vegetables being rejected because of its weight, histogram would need to be constructed based on tolerance level of company. The histogram would show distribution of package weights, and any packages that fall outside of the acceptable weight range would be considered rejected. By analyzing the histogram, the company could determine the variance levels that would result in package rejection and make necessary adjustments to their production process.

A histogram would be the most appropriate graph to use in this situation to determine the variance levels that would result in a package of vegetables being rejected because of its weight, x.

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the graph that could be used to determine the variance levels that would result in a package of vegetables being rejected because of its weight, x, is a normal distribution curve with a mean of 250 grams and a standard deviation of y.

What is a graph?

In computer science and mathematics, a graph is a collection of vertices (also known as nodes or points) connected by edges (also known as links or lines).

To determine the graph that could be used to determine the variance levels that would result in a package of vegetables being rejected because of its weight, x, we need to understand the tolerance level of the company.

The company has a tolerance level of less than or equal to y grams for a 250-gram package. This means that any package of vegetables that weighs less than 250-y grams or more than 250+y grams will be rejected.

To graph this, we can plot the weight of the package on the x-axis and the probability of the package being rejected on the y-axis. The graph will have a normal distribution curve with a mean of 250 grams and a standard deviation of y.

Therefore, the graph that could be used to determine the variance levels that would result in a package of vegetables being rejected because of its weight, x, is a normal distribution curve with a mean of 250 grams and a standard deviation of y.

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Answer:

there are no statement, but if this is a multiple-choice answer, I would have to guess it is B

Step-by-step explanation:

Hope this helps!

The variance of the given data set is 18603.39.

To find the variance of the given data set {4, 44, 404, 244, 4, 74, 84, 64}, follow these steps:

Step 1: First, we need to find the mean of the data set:

Mean = (4 + 44 + 404 + 244 + 4 + 74 + 84 + 64) / 8 = 120.5

Step 2: Next, we calculate the deviation of each data point from the mean:

(4 - 120.5) = -116.5

(44 - 120.5) = -76.5

(404 - 120.5) = 283.5

(244 - 120.5) = 123.5

(4 - 120.5) = -116.5

(74 - 120.5) = -46.5

(84 - 120.5) = -36.5

(64 - 120.5) = -56.5

Step 3: Now, we square each deviation:

\((-116.5)^2 = 13556.25\\(-76.5)^2 = 5852.25\\(283.5)^2 = 80322.25\\(123.5)^2 = 15252.25\\(-116.5)^2 = 13556.25\\(-46.5)^2 = 2162.25 \\(-36.5)^2 = 1332.25\\(-56.5)^2 = 3192.25\)(-116.5)^2 = 13556.25

Step 4: We add up all the squared deviations:

13556.25 + 5852.25 + 80322.25 + 15252.25 + 13556.25 + 2162.25 + 1332.25 + 3192.25 = 130223.75

Step 5: We divide the sum of the squared deviations by the number of data points minus 1 to get the variance:

Variance = 130223.75 / 7 = 18603.39 (rounded to two decimal places)

Therefore, the variance of the data set is 18603.39.

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The weight of the astronaut with gear on the moon is 80 pounds.

The pull of gravity is different on Earth than on the Moon as gravity depends on factors such as the mass of the celestial body, the radius of the celestial body, and the density of the celestial body.

The pull of gravity on Earth = 10 m/s²

Thus, Given:

Weight of object on Earth: 25 pounds

Weight is described as the product of mass and the acceleration due to gravity

Thus, 25 = 10 * mass

mass = 2.5 unit

Weight of the object on the Moon: 4 pounds

4 = 2.5 * acceleration due to gravity on the moon

Acceleration due to gravity on the moon = 1.6 m/s²

Weight of astronaut with gear on earth = 500 pounds

500 = mass * 10

mass = 50 units

Weight of astronaut with gear on earth = 50 * 1.6

= 80 pounds

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Answer:

I shall help you again the answer is 1/4

Step-by-step explanation:

Use photo math it's useful no need to Say thanks

Considering the provided information and that the volume of a cuboid is the result of multiplying the width by the length by the height, we obtain the following:

Volume of a cuboid= Width * Length * Height

Volume of a cuboid= 3.4cm * 6.2cm * 5cm

Volume of a cuboid= 105.4 cm³

Finally we obtain that the volume of the cuboid is 105.4 cm³

Answer:

the asnwer is

Step-by-step explanation:

infinite solutions because 2(x-2) it equals 2x-4 and that is the first euqation

making 2x-4=2x-4 which is right

The intersection of plane TUYX and plane VUYZ is found as UY.

For the stated question-

According to the supplied figure, TUYX is one side of both the rectangular prism while UVYZ is its opposite side.

One edge, which is represented by the line segment UY, has both sides intersecting perpendicularly.

It is depicted in the figure.

Thus, UY is the line that intersects as a result.

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The correct question is attached.

Answer:

Step-by-step explanation:

Given the nth term of a geometric sequence represented as \(Tn = a_1r^{n-1}\)

\(a_1\) =  first term of the sequence

n = number of terms

r = common ratio

Given \(a_1 = 4,096,\ r = -\frac{1}{4} , n = 5\)(fifth term of the sequence)

\(T_5 = 4,096(-\frac{1}{4} )^{5-1}\\ T_5 = 4,096(-\frac{1}{4} )^{4}\\T_5 = 4,096(\frac{1}{256} )\\T_5 = 16\)

The fifth term of the geometric sequence is 16

Answer:

this is the answer for edge 2020-2021

Step-by-step explanation:

sum- -204.8

The solution to the value of a is 4/3.

What is equation?

In mathematics, an equation is a formula that expresses the equivalency of two expressions, by connecting them with the equals sign = .

Main body:

according to question:

(1/3)/5 = a/20

we need to solve the equation:

multiply by 5 on both sides,

5*(1/3)5 = 5a/20

1/3 = a/4

a = 4/3

hence  value of a is 4/3.

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Answer:

TO HERE

Step-by-step explanaYOUNtion:

FROM U

Answer: The general form for an equation that models a wave is this: (+/-) a (sin/cos) (2π(x-p)/T), where a is your amplitude, p is your phase shift, and T is your period. The (+/-) becomes + if the graph is to start in the positive direction, and - if it is to start in the negative direction. The (sin/cos) becomes sine if the graph is to start at 0 before being shifted, while it becomes cosine if the graph is to start at the amplitude.

In this case, our graph starts out negative, and at the amplitude with no phase shift, so the (+/-) becomes -, (sin/cos) becomes cos, and p is zero. Substituting in the values given in the problem, a = 9 and T = 7, we find this equation: d = -9cos(2πt/7).

Step-by-step explanation:

Question 11

The directrix is a horizontal line, which means the parabola opens either upward or downward. In this case, it opens downward. This is because all answer choices have a negative leading coefficient. Also, it's because the focus is below the directrix.

For vertically opening parabolas, we use this form

4p(y-k) = (x-h)^2

where (h,k) is the vertex and p is the focal distance, aka the distance from the vertex the focus. To find (h,k), we start at the focus (0,-4) and move directly up until we reach the directrix y = 4. We'll arrive at (0,4). The midpoint of (0,-4) and (0,4) is (0,0) which is the vertex's location. So (h,k) = (0,0).

Note that in moving from (0,-4) to (0,4) is a span of 4 units. So this is the value of p.

Plug h = 0, k = 0, p = 4 into the equation mentioned and solve for y

4p(y-k) = (x-h)^2

4*4(y-0) = (x-0)^2

16y = x^2

y = (1/16)x^2

The only adjustment we need to make is to change the 1/16 to -1/16 so that the parabola opens downward.

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Question 3

The given equation is in the form y = ax^2+bx+c

In this case,

Let's compute the x coordinate of the vertex h

h = -b/(2a)

h = -4/(2*2)

h = -1

This h value is plugged into the original function to find k

f(x) = 2x^2+4x+3

f(-1) = 2(-1)^2+4(-1)+3

f(-1) = 1

We find that h = -1 and k = 1 pair up together. In short, (h,k) = (-1,1) is the vertex.

The volume of the cylinder with height 8units and radius 4 units is 128πunits^3

The formula for calculating the volume of a cylinder is expressed as:

V = πr²h

where:

r is the radius

h is the height

Given the following

h = 8units

r = 4 units

Substitute

V = πr²h

V = π(4)²(8)
V = 128πunits^3

Hence the volume of the cylinder with height 8units and radius 4 units is 128πunits^3

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Answer:

= a(7b + 1)

Step-by-step explanation:

7ab + a

a(7b + 1).

Answer:

The rate of customers entering the store would be 3 minutes per customer.

Step-by-step explanation:

3 customers entered over the course of 9 minutes

We can simplify 3/9 to 1/3. That would mean 1 customer enters every 3 minutes.

The nonprofit builds a distribution of sample proportions to understand the fraction of households with elevated lead levels.

To understand the fraction of households with elevated levels of lead in their drinking water, the nonprofit uses a sampling method and builds a distribution of sample proportions. They randomly sample 860 homes and collect water samples to determine the proportion of homes with elevated lead levels.

This process is repeated 1,000 times, resulting in a collection of sample proportions. By analyzing this distribution, the nonprofit can estimate the range and variability of the fraction of homes with elevated lead levels.

This statistical approach provides valuable insights into the prevalence of the issue and helps assess the potential health risks associated with lead-contaminated drinking water. By repeating the sampling process multiple times and analyzing the distribution of sample proportions, the nonprofit can also evaluate the variability and uncertainty in their estimates.

This information can guide decision-making, resource allocation, and interventions aimed at addressing the issue of elevated lead levels in households.

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