A sociedade brasileira de pediatria recomenda limitar o tempo máximo de telas e jogos de videogames a três horas por dia, para adolescentes com idades entrar 11 e 18 anos Este tempo máximo, se usado todos os dias, representa, dos 11 aos 18 anos, um total de horas que equivale a A) 1 ano B) 3 anos C) 6 anos D) 7 anos E) 8 anos

Crime rates in the UCR (Uniform Crime Report) are expressed as the number of reported crimes per 100,000 population.

This allows for a standardized comparison of crime levels across different areas and time periods, taking into account population size. The UCR presents raw figures, crime rates, and changes in both the number and rate of crime over time to provide a comprehensive view of crime trends.

This is calculated by dividing the number of reported crimes by the population of the area and multiplying the result by 100,000. This helps to standardize the data and allows for comparison across different jurisdictions and time periods. Additionally, the UCR also presents changes in crime rates over time, allowing for the identification of trends and patterns in crime.

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Answer:

7.99

Step-by-step explanation:

Solving forr

r=

V

π

h

=

1206

π

6

≈

7.99877

Answer:

Step-by-step explanation:

HI OKAY SO ISNT IT JUST

1206 = 6pi r^2

1206/6 =201

SO ITS ABOUT 8 FEET

A sample estimator is unbiased if, on average, it gives an estimate of the population parameter that is equal to the true value of the parameter. The correct option is (b) having an unbiased estimator.

An estimator is a statistical function used to estimate an unknown parameter of a population based on a sample of data. A sample estimator is unbiased if, the expected value of the estimator is equal to the true population parameter.

If a sample estimator overestimates the population parameter in some cases and underestimates it in others, the overestimations and underestimations may cancel each other out on average. In this case, the estimator is unbiased, meaning that it provides estimates that are, on average, neither too high nor too low, it means that the estimator does not systematically overestimate or underestimate the true population parameter. The correct answer is (b).

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The equation of the line containing the point (6,−2) and perpendicular to the line 5x+4y=7 in slope-intercept form is y = (-5/4)x + (17/4).

To write an equation of the line containing the given point (6, -2) and perpendicular to the given line 5x + 4y = 7 in slope-intercept form, we need to follow the steps given below :

Step 1: First, we need to find the slope of the given line.5x + 4y = 7The given line can be written in slope-intercept form as:4y = -5x + 7y = (-5/4)x + (7/4)Thus, the slope of the given line is -5/4.

Step 2: Since the given line is perpendicular to the line we need to find, the slope of the line we need to find can be found using the formula :Slope of the line we need to find = -1 / slope of the given line Substituting the values in the formula :Slope of the line we need to find = -1 / (-5/4) = 4/5Therefore, the slope of the line containing the point (6, -2) and perpendicular to the given line is 4/5.

Step 3: We have the slope of the line and a point on it. Using the point-slope form of the equation, we can write the equation of the line as : y - y1 = m(x - x1)where (x1, y1) is the given point and m is the slope of the line. Substituting the values in the formula : y - (-2) = (4/5)(x - 6)y + 2 = (4/5)x - (24/5)y = (4/5)x - (24/5) - 2y = (4/5)x - (34/5)Thus, the equation of the line containing the point (6,−2) and perpendicular to the given line 5x + 4y = 7 in slope-intercept form is y = (-5/4)x + (17/4).

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The correct answer is:

b. Reject the null hypothesis of no cointegration at the 5% level because -3.10 < -2.86

In the given scenario, the ADF test statistic (-3.10) is compared to the ADF 5% critical value (-2.86). If the test statistic is more negative (i.e., lower) than the critical value, it provides evidence to reject the null hypothesis of no cointegration.

Since -3.10 is smaller than -2.86, we can conclude that the estimated residuals from the regression exhibit cointegration at the 5% level. Thus, we reject the null hypothesis of no cointegration.

The other critical value (-3.398) mentioned (Engle-Granger) is not relevant for this decision as it pertains to a different test.

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This inequality states that the sum of the 30 people from the three boats and the 4 people per additional boat, represented by 4b, should be less than or equal to the maximum capacity of 50 people.

Let's break down the information given:

The amusement center boat ride can accommodate at most 50 people at a time.

There are currently 3 boats that each seat 10 people on the ride.

There are additional "b" boats, and each of them seats 4 people.

To represent the situation, we need to consider the total number of people that can be accommodated by the boats. The three boats that seat 10 people each contribute 3 * 10 = 30 people to the total capacity. The additional "b" boats, each seating 4 people, will contribute 4b people.

Therefore, the inequality representing the situation can be written as:

30 + 4b ≤ 50

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Answer:

-5 and 4

Step-by-step explanation:

-5 x 4 = 20

-5 + 4 = -1

Answer:

-5 and 4

Step-by-step explanation:

-5 + 4 = -1

-5 x 4 = -20

Answer:

×=-2+12/2,the anwser is ×=5,×=-7

The computation shows that the placw on the hill where the cannonball land is 3.75m.

To find where on the hill the cannonball lands

So 0.15x = 2 + 0.12x - 0.002x²

Taking the LHS expression to the right and rearranging we have:

-0.002x² + 0.12x -.0.15x + 2 = 0.

So we have -0.002x²- 0.03x + 2 = 0  

I'll multiply through by -1 so we have

0.002x² + 0.03x -2 = 0.

This is a quadratic equation with two solutions x1 = 25 and x2 = -40 since x cannot be negative x = 25.

The second solution y = 0.15 * 25 = 3.75

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Complete question:

The flight of a cannonball toward a hill is described by the parabola y = 2 + 0.12x - 0.002x 2 . the hill slopes upward along a path given by y = 0.15x. where on the hill does the cannonball land?

(C) Regression analysis is the statistical method commonly used to estimate the level and trend in a time series by modeling the relationship between the data and independent variables.

Regression analysis is the statistical method used to estimate the level and trend in a time series. Time series data represents observations taken at different points in time and is commonly used to analyze trends and patterns over time.

Regression analysis allows us to model the relationship between a dependent variable (in this case, the time series data) and one or more independent variables (such as time or other relevant factors). By using regression analysis, we can identify the underlying trend in the time series and estimate its level.

The regression model captures the relationship between the dependent variable (the time series) and the independent variable(s) by fitting a line or curve that best represents the data. This line or curve helps to identify the overall trend and level of the time series.

While moving average, simulation method, covariance analysis, and correlation analysis are useful techniques in analyzing time series data, they are not specifically designed to estimate the level and trend in a time series. Therefore, (C) regression analysis is the most appropriate method for estimating the level and trend in a time series.

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We first need to understand what the interquartile range (IQR) is. The IQR is the difference between the third quartile (Q3) and the first quartile (Q1). In other words, it represents the range of the middle 50% of the data. the interquartile range for sit-ups done by Frank is not greater than the interquartile range for sit-ups done by Marquis.

Looking at the box plots provided, we can see that Marquis and Frank have different box lengths, indicating different ranges of data. We can also see that the box for Frank is shifted slightly higher than the box for Marquis.

To calculate the IQR for each person, we need to find the Q1 and Q3 values for both sets of data. Let's assume that the boxes are evenly divided into quarters, so that the bottom of the box represents Q1 and the top of the box represents Q3.

For Marquis, Q1 is approximately 15 and Q3 is approximately 45. Therefore, the IQR for Marquis is 30.

For Frank, Q1 is approximately 25 and Q3 is approximately 55. Therefore, the IQR for Frank is 30 as well.

Since both Marquis and Frank have the same IQR of 30, the answer to the question is 0. The interquartile range for sit-ups done by Frank is not greater than the interquartile range for sit-ups done by Marquis.

In summary, the interquartile range for sit-ups done by Frank is not greater than the interquartile range for sit-ups done by Marquis.

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Answer:

8

Step-by-step explanation:

The constant is 8, constant is the value which doesn't have a variable.

Answer:

37 dimes

Step-by-step explanation:

i was experimenting. 17 quarters and 37 dimes. 17 times .25 is 4.25. 37 times .10 is 3.70. add them and it's correct.

Answer:

y=7x+-9

Step-by-step explanation:

The perimeter of the parallelogram is 16x - 8

The properties of a parallelogram are;

The formula for perimeter of a parallelogram is;

Perimeter = 2(a + b)

substitute the values

Perimeter = 2(6x - 4 + 2x)

collect like terms

Perimeter = 2(8x - 4)

expand the bracket

Perimeter = 16x - 8

Hence, the value is  16x - 8

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The statements that are equivalent to the statement that a set of vectors (v1, ..., vp) is linearly independent are:

A. A linear combination of vi, ..., vp is the zero vector if and only if all weights in the combination are zero.

B. The vector equation x₁v₁ + x₂v₂ + ... + xₚvₚ = 0 has only the trivial solution.

F. All columns of the matrix A are pivot columns.

Let's examine each option to see why they are equivalent:

A. A linear combination of vi, ..., vp is the zero vector if and only if all weights in the combination are zero.

This statement is equivalent to linear independence because it states that the only way for the linear combination of the vectors to equal the zero vector is if all the weights are zero. In other words, there are no nontrivial solutions to the equation c₁v₁ + c₂v₂ + ... + cₚvₚ = 0, where c₁, c₂, ..., cₚ are the weights.

B. The vector equation x₁v₁ + x₂v₂ + ... + xₚvₚ = 0 has only the trivial solution.

This statement is also equivalent to linear independence because it states that the only solution to the equation is the trivial solution where all the variables x₁, x₂, ..., xₚ are zero. In other words, there are no nontrivial solutions to the homogeneous system of equations represented by the vector equation.

F. All columns of the matrix A are pivot columns.

This statement is equivalent to linear independence because it implies that every column of the matrix A is a pivot column, meaning that there are no free variables in the corresponding system of equations. This, in turn, implies that the only solution to the homogeneous system Ax = 0 is the trivial solution, making the set of vectors linearly independent.

The other options (C and E) are not equivalent to the statement that a set of vectors is linearly independent:

C. There are weights, not all zero, that make the linear combination of vi, ..., vp the zero vector.

This statement describes linear dependence rather than linear independence. If there are non-zero weights that result in the linear combination of the vectors equaling the zero vector, it means that the vectors are linearly dependent.

E. The matrix equation Ax = 0 has only the trivial solution.

This statement is related to the linear dependence of the columns of the matrix A rather than the linear independence of the vectors (v1, ..., vp). It refers to the homogeneous system of equations represented by the matrix equation and states that the only solution is the trivial solution, implying that the columns of A are linearly independent. However, it does not directly correspond to the linear independence of the original set of vectors.

In summary, the statements A, B, and F are equivalent to the statement that a set of vectors (v1, ..., vp) is linearly independent.

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The solution to the system of equation is (14, 6)

1 / 2 x = 10 - 1 / 2 y

8 = x -y

Therefore, let's combine the equation.

1 / 2 x + 1 / 2 y = 10

x - y = 8

x + y = 20

x - y = 8

2y = 12

y = 12 / 2

y = 6

x = 20 - 6

x = 14

Therefore, the solution of the system of equation is (14, 6)

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Answer:

A

Step-by-step explanation:

The absolute value of -7 is 7, which is greater than 5

Option A "The absolute value of 5 is greater than the absolute value of -7". is false

It is not true because absolute value of 5 is 5 and absolute value of -7 is 7.

So, absolute value of 7 is greater.

But since it's not. Option A is the correct answer.

By Benjemin

The antiderivative of the given integral ∫2x² (-x³+3)^5 dx is (-x³+3)^6/27.

To solve for the antiderivative of the given integral, we can use the following:

Step 1: Rewrite the given integral in the following form: ∫(u^n) du

Step 2: Integrate u^(n+1)/(n+1) and replace u by the given function in step 1.

The detailed writeup of the steps mentioned are as follows:

Step 1: Let u = (-x³+3).

Then, du/dx = -3x² or dx = -du/3x²

Thus, the given integral can be written as:

∫2x² (-x³+3)^5 dx= -2/3 ∫(u)^5 (-1/3x²) du

= -2/3 ∫u^5 (-1/3) du

= 2/9 ∫u^5 du

= 2/9 [(u^6)/6]

= u^6/27

= (-x^3+3)^6/27

Step 2: Replace u with (-x³+3)^5 in the result obtained in step 1

= [(-x³+3)^6/27] + C

Thus, the antiderivative of the given integral is (-x³+3)^6/27 + C

As the constant of integration is to be omitted out, the antiderivative of the given integral is  (-x³+3)^6/27.

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Answer: $43.20

Step-by-step explanation:

Answer:

x+x+1+x+2+x+3+x+4

Step-by-step explanation:

5x+10 = 290

5x= 280

x = 280/5

x=56

least number is 56

Answer:

26/35

Step-by-step explanation:

1. First to divide the 3 1/2 by 2 3/5 you have to turn them both into improper fractions

First take 3 1/2. You have to multiply the whole number (3) by the denominator (2) and you would get 6. Then you would add then you add the product (6) to the numerator (1) and get 7.

You keep the denominator the same so the improper fraction is 7/2

Do the same thing to 2 3/5 and the improper fraction is 13/5

2. Now we can divide 13/5 by 7/2 using "keep, change, flip"

Keep: 13/5

Change: division to multiplcation

Flip: 7/2 to make 2/7

Your new equation is 13/5 × 2/7. Multiplcation is easy so you just have to multiply staight across: 13 × 2 and 5 × 7 giving you 26/35

If you divide 35 by 26 you will get 1.34 and a bunch of other numbers but I usually stop at two decimal places

hope this helps :)

Therefore, the probability of getting exactly 4 calls between 8:00 AM and 9:00 AM is approximately 0.1755, rounded to four decimal places.

To calculate the probability of getting exactly 4 calls between 8:00 AM and 9:00 AM, we need to use the Poisson distribution formula. The Poisson distribution is commonly used to model the number of events occurring in a fixed interval of time or space. In this case, the mean (λ) is given as 5. The formula for the Poisson distribution is:

P(X = k) = (e*(-λ) * λ\(^k\)) / k!

Where:

P(X = k) is the probability of getting exactly k calls

e is the base of the natural logarithm (approximately 2.71828)

λ is the mean number of calls (given as 5)

k is the number of calls (in this case, 4)

k! is the factorial of k

Let's calculate the probability using the formula:

P(X = 4) = (e*(-5) * 5⁴) / 4!

P(X = 4) ≈ 0.1755

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Answer:

(2,4)

X always comes before Y. So the X is 2 and the Y is 4, so (2,4).

The set of strings in S of length 4 is given by option d) {bbaa, aabb, baba, abab}.

In summary, the set that corresponds to all the strings in S of length 4 includes bbaa, aabb, baba, and abab.To explain the answer, let's analyze the recursive definition of the set S. The basis states that the empty string (λ) belongs to S, and the character 'b' also belongs to S.

Using the recursive rules, we can generate longer strings by appending 'bxa' or 'axb' to existing strings in S. Starting with the basis, we can create strings of length 2: bba and abb.

Applying the recursive rules again, we can generate strings of length 4 by appending 'a' and 'b' to the previously obtained strings. This gives us bbaa, aabb, baba, and abab.Therefore, the correct option is d) {bbaa, aabb, baba, abab}, which includes all the possible strings in S of length 4, as derived from the given recursive rules.

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Based on the explanation using the combination method, the correct answer to the question is D. All four users have non-expiring passwords.

The MBSA scan likely provided a list of users along with their corresponding password expiration settings. The term "non-expiring passwords" refers to passwords that do not have an expiration date, meaning they remain valid indefinitely.

Now, let's analyze each option given in the question and determine the correct answer using the combination method:

A. 3 of 4:

If three out of the four users have non-expiring passwords, it means that only one user has an expiring password. However, this does not match our definition of non-expiring passwords. Therefore, Option A is incorrect.

B. 1 of 4:

If only one user out of the four has a non-expiring password, it means that the other three users have expiring passwords. This option does not satisfy the condition of non-expiring passwords for the majority of users. Hence, Option B is also incorrect.

C. 2 of 4:

If two users out of the four have non-expiring passwords, it means that the remaining two users have expiring passwords. This option suggests that half of the users have non-expiring passwords, which does not correspond to our definition of non-expiring passwords for the majority of users. Thus, Option C is incorrect.

D. 4 of 4:

If all four users have non-expiring passwords, it means that every user's password is set to never expire. This option aligns with our definition of non-expiring passwords for the majority of users. Therefore, Option D is the correct answer.

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Complete Question:

From the MBSA scan performed in Task 3, how many users have non-expiring passwords?

A. 3 of 4

B. 1 of 4

C. 2 of 4

D. 4 of 4

Answer:

venti, it has more liquid per ounce

Answer:

The True Statements

The sale's price of the items was $41.40.

Mrs. Bolden payed $2.76 on her purchase.

Altogether, Mrs. Bolden payed $43.88 on the shirts and flip-flops.

Step-by-step explanation:

$19 + $19 + $8 = $46

10% of $46 = $4.60

$46 - $4.60 = $41.40

6% of $46 = $2.76

+$2.76 - $4.60 = -$2.12

$46 - $2.12 = $43.88

Answer:True

Step-by-step explanation:The y-axis is vertical and the x is horizontal

Answer:

(-4, 1).

Step-by-step explanation:

For 180 counter clockwise rotation  (x, y) ------> ( -x, -y)

So ( 4, - 1) -------> (-4, 1)