notación exponencial de 2.500.000
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Answer:

angle

Step-by-step explanation:

An angle consists of two rays joined together.  The rays are joined at the vertex.

Answer:

angle

Step-by-step explanation:

An angle consists of two different rays with a common endpoint.

The following is true about the study: e. It has one factor (medication) blocked by age.

In statistics, when a factor (independent variable) is blocked by another factor, it means that the effect of the first factor is controlled or eliminated by the second factor.

In this case, the factor that is blocked is the medication, which means that the effect of medication on the outcome variable is controlled by age.

Blocking a factor is often done in experimental design to remove the effects of extraneous variables or to control the influence of certain factors on the outcome variable.

In this case, age is considered a blocking variable because it is not of interest in the study, but it may have an effect on the outcome variable. By blocking the effect of medication by age, the study can better isolate the effect of medication on the outcome variable.

In summary, the statement e. "It has one factor (medication) blocked by age" is correct which means that the study controlled for the effect of age on the outcome variable by blocking the effect of medication by age.

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Answer:

x ≈ 5.1

Step-by-step explanation:

Using the sine ratio in the right triangle

sin25° = \(\frac{opposite}{hypotenuse}\) = \(\frac{x}{12}\) ( multiply both sides by 12 )

12 × sin25° = x , that is

x≈ 5.1 ( to the nearest tenth )

Answer:

118.0

Step-by-step explanation:

using Trigonometry,

\(x = 99tan(50) \\ = 118.0\)

Answer:

y=-6

Step-by-step explanation:

y+6=0(x-5)

Solve

y=-6

14/99

Select 1 marble; the chance that it is white is 4/12. Select a 2nd marble; the chance that it is white is 3/11. Select a 3rd; the chance it is white is 2/10. Select a 4th; the chance it is red is 8/9. Select a 5th; the chance it is red is 7/8. The chance of getting this specific set of 5 marbles in this order is (4/12)×(3/11)×(2/10)×(8/9)×(7/8)=(2×7)/(11×10×9).

This specific set could occur in the permutation of 5 things taken 5 at a time where 3 are identical (white), and the other 2 are also identical (red). The formula for this is 5!/(3!2!)=10.

Combining the chance of getting white, white, white, red, red with the number of ways 3 white and 2 red could have been distributed in the draw of 5 marbles gives the answer:

{(2×7)/(11×10×9)}×10=14/99

A similar process will show that the chance of getting 5 red marbles is 7/99; 4 white and 1 red is 1/99; 2 white and 3 red is 42/99; and 1 white and 4 red is 35/99.

Answer:

Three and one third

Step-by-step explanation:

Answer:

it can not be a whole number but the mixed number is 3 (1)/(3)

Step-by-step explanation:

Sally's conclusion that high school GPA is an excellent and useful predictor of performance ratings at work is not entirely supported by the correlation coefficient of 0.09 with a significance level of p<.01.

Although a significant correlation suggests a positive association between high school GPA and performance ratings, the strength of the relationship is weak. The practical significance of such a weak correlation may be limited in real-world scenarios where multiple factors can influence job performance.

It is also important to note that correlation does not imply causation.

Therefore, even if high school GPA is significantly correlated with performance ratings at work, it does not necessarily mean that high school GPA is a causative factor in better job performance. Other variables such as work experience, motivation, and personality may also contribute to predicting job performance, and their effects should also be taken into account when assessing the usefulness of high school GPA as a predictor.

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Answer:

∠A: 98 (Is a vertical angle to the 98 degrees)

∠D: 151 (180-29)

∠H: 29 (Is a vertical angle to the 29 degrees)

∠I: 29

∠J: 151

∠M: 151 (Vert angle to <J)

∠R: 82 (180-98)

115.

The point estimate for the average IQ score of the population of 3000 college students based on a simple random sample of 150 students with an average IQ score of 115 and a standard deviation of 10 is 115.

Therefore, the correct option is 115.

A point estimate is an estimate of a population parameter based on a single value or point. It is obtained by using statistics collected from a sample to infer population values. It can be a single value or a range of values that best represents the unknown population parameter.

Based on the given information, a simple random sample of 150 students is drawn from a population of 3000 college students.

Among sampled students, the average IQ score is 115 with a standard deviation of 10. The point estimate, in this case, is the average IQ score of the population, which is estimated to be 115 based on the sample data.

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a. Yes, it is possible to apply supertype/subtype hierarchy to the above situation.  The EER diagram is shown below. The specialization rule it satisfies is partial completeness constraint. c. A possible scenario in which the diagram satisfies the other specialization rule. d. To incorporate the fact that the owner wants to sell both new and old products.

This is because all of the electronic goods are related to each other in some way. These items can be grouped together as electronic devices, and each type of device can have its own set of attributes.

b. The EER diagram is shown below. The specialization rule it satisfies is partial completeness constraint.

c. A possible scenario in which the diagram satisfies the other specialization rule (disjointness constraint) is if the store decides to only sell one type of device (for example, only mobile phones).

d. To incorporate the fact that the owner wants to sell both new and old products, we can add a "condition" attribute to the device entity. This attribute can have two possible values: "new" or "old". We can also add a "date of manufacture" attribute to the device entity to keep track of when the product was made.

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A set is called denumerable if it is either finite or has the same cardinality as the set of natural numbers.

Let a1, a2, a3, … be the elements of A since A is a denumerable set. We can enumerate the elements of A as: a1, a2, a3, …Using the same method, we can enumerate the elements of B as: b1, b2,That is, B can be written in the form B = {b1, b2, …}.

Then, we can write down A × B as follows:(a1, b1), (a1, b2), (a2, b1), (a2, b2), (a3, b1), (a3, b2), …

Let's now associate every element of A × B with a natural number in the following way: For (a1, b1), associate with the number 1.

For (a1, b2), associate with the number 2.

For (a2, b1), associate with the number 3.

For (a2, b2), associate with the number 4.

For (a3, b1), associate with the number 5.

For (a3, b2), associate with the number 6.…We can repeat this process for each element of A × B.

We see that every element of A × B can be associated with a unique natural number.Therefore, A × B is denumerable and we can list its elements as (a1, b1), (a1, b2), (a2, b1), (a2, b2), (a3, b1), (a3, b2), … which can be put into a one-to-one correspondence with the natural numbers, proving that it is denumerable. The statement is hence proved.

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Step-by-step explanation:

Use COS method (Cos Angle = adjacent/hypotenuse)

given adjacent = 14 ft

hypotenuse = 67 ft

\( \cos(x) = \frac{adjacent}{hypotenuse} \\ \cos(x) = \frac{14}{67} \\ x = {cos}^{ - 1} ( \frac{14}{67} ) \\ = 78 \: deg(nearest \: degree)\)

The sample mean is (12.19 - 12.00) / 0.02 = 9.5 standard deviations from the mean of the distribution of sample means.

To find the probability that a random sample of size 36 has a mean of at least 12.19 ounces, we can use the formula for the z-score:

z = (x - μ) / (σ / sqrt(n))

where x is the sample mean, μ is the population mean, σ is the population standard deviation, and n is the sample size.

Plugging in the values we have:

z = (12.19 - 12.00) / (0.02 / sqrt(36)) = 4.5

Looking up the corresponding area under the normal curve using a standard normal table or calculator, we find that the probability of getting a sample mean of at least 12.19 ounces is extremely small, approximately 3.2 x 10^-6 or 0.00032%.

It does not appear that consumers are being cheated based on this information alone. The fact that a single sample had a slightly higher mean than the population mean does not necessarily indicate intentional deception or fraud. It is possible that the difference is due to chance variation in the manufacturing process or some other factor. To determine whether there is systematic underfilling of cans, more data would need to be collected and analyzed.

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The equation to the function shown in the graph is f(x) = x³ - x because the x-intercepts are -1, 0, 1.

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

It is given that:

The graph of the function is shown in the picture.

From the graph of the function the x-intercepts are:

x =  -1, 0, 1

The equation of the function can be written as:

f(x) = x(x + 1)(x - 1)

After multiplication:

f(x) = x(x² - 1)

f(x) = x³ - x

Thus, the equation to the function shown in the graph is f(x) = x³ - x because the x-intercepts are -1, 0, 1.

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\(\it tan60^o=\dfrac{AB}{BC} \Rightarrow \sqrt3=\dfrac{AB}{50} \Rightarrow AB=50\sqrt3\approx50\cdot1,732\approx87\ m\)

Answer:

w = 4 or w=-3.5

Step-by-step explanation:

This likely factors into

(2w  + 7)(w - 4) = 0

in which case there are 2 factors.

2w + 7 = 0

w = - 3.5      or

w - 4 = 0

w = 4

Answer:

equal parts of this story is the order I am the first thing to say about this

The vertex of f(x) = 3x^2 + 12x − 8 is (2,28) absolute minimum

The equation is given as:

f(x) = 3x^2 + 12x − 8

Differentiate the function

f'(x) = 6x + 12

Set to 0

6x + 12 = 0

Divide through by 6

x + 2 = 0

Solve for x

x = -2

Substitute x = -2 in f(x) = 3x^2 + 12x − 8

f(2) = 3 *2^2 + 12 *2 − 8

Evaluate

f(2) = 28

This means that the vertex is (2,28)

A quadratic function is represented as:

f(x) =ax^2 + bx + c

When a is positive, then the vertex of the function is an absolute minimum.

This means that f(x) = 3x^2 + 12x − 8 has an absolute minimum vertex because 3 is positive

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The minimum is 29 cm and it represents the sensor's minimum height above the ground.

In Mathematics and Geometry, the standard form of a cosine function can be represented or modeled by the following mathematical equation (formula):

y = Acos(Bx - C) + D

Where:

By critically observing the graph which models the sensor's height above the ground (in centimeters) shown in the image attached below, we can reasonably infer and logically deduce that it has a minimum height of 29 centimeters.

In conclusion, the sensor's minimum height above the ground cannot exceed 29 centimeters.

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Missing information:

The question is incomplete and the complete question is shown in the attached picture.

Answer:

Step-by-step explanation:

Refer to your previous question:

Radius of the inscribed circle is the apothem of the hexagon.

Apothem (a) and half of the side (s) make a 30-60-90 right triangle.

The ratio of the legs, as per property of 30-60-90 triangle:

Half the side is s = 10 units, then side of the hexagon is 20 units.

The area of the hexagon:

Correct choice is D

Answer:

a.  -1, 1

b.  2, 7

c.  1, 1

Answer:

C, 209 ft

Step-by-step explanation:

Firstly, we put it as a rectangle.

A=wl.

Width is 11

Length is 23

23 - 15 = 8. We do this to see how much feet is left in that triangle.

So 209 is our final answer.

The least number of arc measures needed to determine the measures of each angle in the inscribed quadrilateral is 2.

To determine the measures of each angle in the quadrilateral, we need to find the central angles of the arcs that intersect the quadrilateral's vertices. Since the quadrilateral is not a rectangle, it is not a cyclic quadrilateral, which means that its opposite angles do not add up to 180 degrees.

Therefore, we need to use the fact that the sum of the measures of the opposite angles in an inscribed quadrilateral is 360 degrees. Let the angles of the quadrilateral be A, B, C, and D, with opposite angles A and C, and B and D. We can find the measure of arc AC by drawing a chord connecting the endpoints of AC and finding the central angle that intercepts it. Similarly, we can find the measure of arc BD.

Now, we can use the fact that the sum of the central angles that intercept arcs AC and BD is equal to 360 degrees. Let these angles be x and y, respectively. Then, we have:

x + y = 360

We can solve for one of the variables, say y, in terms of the other:

y = 360 - x

Substituting this into the equation for arc BD, we have:

2x + 2(360 - x) = arc BD

Simplifying this equation, we get:

arc BD = 720 - 2x

Now, we can use the fact that the sum of the measures of angles A and C is equal to the measure of arc AC, and the sum of the measures of angles B and D is equal to the measure of arc BD. Therefore, we have:

A + C = arc AC
B + D = arc BD = 720 - 2x

We need to find the least number of arc measures needed to determine the measures of A, B, C, and D. Since we have two equations and two variables (x and A), we can solve for both variables. Then, we can use the equations for B and D to find their measures.

Solving for A in terms of x, we have:

A = arc AC - C
A = 360 - x - C

Substituting this into the equation for B + D, we have:

(360 - x - C) + B + D = 720 - 2x

Simplifying this equation, we get:

B + D = 360 + x - C

Now, we have three equations and three variables (x, A, and C). We can solve for each variable in terms of x, and then use the equation for B + D to find their measures.

Therefore, the least number of arc measures needed to determine the measures of each angle in the quadrilateral is two: arc AC and arc BD.

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Answer: 8%

Step-by-step explanation:The shipping and handling fee of $35 was applied to the order or $437.50.

Divide the total by the shipping and handling fee:

35 / 437.50 = .08

Multiply by 100 to get percent:

.08 x 100 = 8%

Answer:

SAS, because vertical angles are congruent.

The probability that it won't rain given that your algorithm predicted a rainy day is approximately 9.1%. The probability that it will rain given that your algorithm predicted a dry day is approximately 0.01%.

When the algorithm predicts rain, it has a 90% accuracy rate, meaning that it correctly predicts rain 90% of the time. However, since the overall probability of rain in city X is only 1%, most of the algorithm's rainy predictions will be false positives. Using conditional probability, we can calculate the probability of no rain given a rainy prediction as follows: (0.01 * 0.1) / (0.01 * 0.1 + 0.99 * 0.9) ≈ 0.0091 or 9.1%.

Conversely, when the algorithm predicts a dry day, it has a 99% accuracy rate, meaning that it correctly predicts no rain 99% of the time. Since the overall probability of rain is 1%, the algorithm's dry predictions will mostly be true negatives. Using conditional probability again, we can calculate the probability of rain given a dry prediction as follows: (0.99 * 0.01) / (0.99 * 0.01 + 0.01 * 0.9) ≈ 0.0001 or 0.01%.

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Answer: C

Step-by-step explanation:

sorry im too lazy to do work

Answer:

C

Step-by-step explanation:

I took test

Answer:

Option (3)

Step-by-step explanation:

Given: EF = 10x + 20

           FG = 43

           EG = 183

From the figure attached,

Length of segment EF + length of segment FG = length of segment EG

By substituting the values of each segment in the equation,

(10x + 20) + 43 = 183

10x + 20 = 183 - 43

10x = 140 - 20

x = \(\frac{120}{10}\)

x = 12

Therefore, x = 12 will be the answer.

Option (3) will be the correct option.