What is the answer to 5x6

Answer:

3 hours

Step-by-step explanation:

y = mx + b

for each hour you are charged 15 dollars. for every 1 hour, you are charged $15.

y = 15x

you must also add the base fee of 35

y = 15x + 35

if you know that y = 80,

80 = 15x + 35

solve for x

x = 3

Answer: 35 + 15=50

Step-by-step explanation: this is just for part 1

The first scenario described is an example of a retrospective cohort study.  The second scenario suggests a retrospective cohort study as well. The third scenario represents a cross-sectional study, where researchers conduct a survey among high school students to assess the prevalence of obesity and diabetes.

1. In the first scenario, a retrospective cohort study is conducted by tracking individuals over a 20-year period. The study begins in 1960 and collects data on cigar smoking practices. After 20 years, the participants are followed up to determine if they developed any cancers. This type of study design allows researchers to examine the long-term effects of smoking Cuban cigars.

2. The second scenario involves a retrospective cohort study as well. The objective is to study the long-term neurological effects of a discontinued anesthetic agent. The researchers identify patients who received the drug before it was discontinued and then assess the occurrence of subsequent neurological disorders. This study design allows for the examination of the relationship between exposure to the anesthetic agent and the development of neurological disorders.

3. The third scenario represents a cross-sectional study. Researchers aim to assess the prevalence of obesity and diabetes among high school students during their junior year. They conduct a survey to gather information on the students' current weight, diabetes status, and other relevant factors. A cross-sectional study provides a snapshot of the population at a specific point in time, allowing researchers to examine the prevalence of certain conditions or characteristics.

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Answer:

Our calculator limits your interest deduction to the interest payment that would be paid on a $1,000,000 mortgage. Interest rate: Annual interest rate for this

Step-by-step explanation:

to divide big decimal b1 by b2 and assign the result to b1, you write the divide method.

To divide a BigDecimal b1 by b2 and update the value of b1 with the result, you can use the divide method provided by the BigDecimal class.

This method takes the divisor as its argument and returns a new BigDecimal object that represents the quotient of the division.

To update the value of b1, you can assign the result of the divide method back to b1. Here's an example:

b1 = b1.divide(b2);

This will divide b1 by b2 and assign the resulting quotient to b1.

Note that the divide method may throw an Arithmetic Exception if the divisor is zero or if the quotient cannot be represented with the current scale and rounding mode of the BigDecimal.

Therefore, you should handle this exception accordingly.

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The identified parameters are:

ta = 6 minutes

tθ = 11 minutes

∂a = 4 minutes

∂θ = 20 minutes

ra = 1/6 minutes^(-1)

rθ = 1/11 minutes^(-1)

ta: Mean time between calls to the center

tθ: Effective response time

∂a: Standard deviation of the time between calls to the center

∂θ: Standard deviation of the effective response time

ra: Rate of calls to the center (inverse of ta, i.e., ra = 1/ta)

rθ: Rate of effective response (inverse of tθ, i.e., rθ = 1/tθ)

Given information:

Mean time between calls to the center (ta) = 6 minutes

Standard deviation of time between calls (∂a) = 4 minutes

Effective response time (tθ) = 11 minutes

Standard deviation of effective response time (∂θ) = 20 minutes

Using this information, we can determine the values of the parameters:

ta = 6 minutes

tθ = 11 minutes

∂a = 4 minutes

∂θ = 20 minutes

ra = 1/ta = 1/6 minutes^(-1)

rθ = 1/tθ = 1/11 minutes^(-1)

So, the identified parameters are:

ta = 6 minutes

tθ = 11 minutes

∂a = 4 minutes

∂θ = 20 minutes

ra = 1/6 minutes^(-1)

rθ = 1/11 minutes^(-1)

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True; In MATLAB, array indices must be positive integers or logical values.

In MATLAB, array indices must indeed be positive integers or logical values. This means that when accessing elements within an array, the index values should be integers greater than zero or logical values (true or false). It is not permissible to use negative integers or non-integer values as array indices in MATLAB.

For example, consider an array called "myArray" with five elements. To access the first element of the array, you would use the index 1. Similarly, to access the fifth element, you would use the index 5. Attempting to use a negative index or a non-integer index will result in an error.

Using valid indices is crucial for proper array manipulation and accessing the correct elements. MATLAB arrays are 1-based, meaning the index counting starts from 1, unlike some programming languages that use 0-based indexing.

In MATLAB, array indices must be positive integers or logical values. This ensures proper referencing and manipulation of array elements. By adhering to this rule, you can effectively work with arrays in MATLAB and avoid errors related to invalid indices.

To know more about

In MATLAB, array indices start from 1. They are used to access specific elements within an array.

In MATLAB, array indices are used to access or refer to specific elements within an array. The index of an element represents its position within the array. It is important to note that array indices in MATLAB start from 1, unlike some other programming languages that start indexing from 0.

For example, consider an array A with 5 elements: A = [10, 20, 30, 40, 50]. To access the first element of the array, we use the index 1: A(1). This will return the value 10.

Similarly, to access the third element of the array, we use the index 3: A(3). This will return the value 30.

Array indices can also be logical values, which are either true or false. Logical indices are used to select specific elements from an array based on certain conditions. For example, if we have an array B = [1, 2, 3, 4, 5], we can use logical indexing to select all the elements greater than 3: B(B > 3). This will return the values 4 and 5.

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Answer:d

Step-by-step explanation:

The answer is d. None of the above is true.

To calculate velocity, we need to use the equation:

Velocity = M * P / Y

Given:

M = 1,000

P = 2.25

Y = 2,000

Plugging in the values:

Velocity = 1,000 * 2.25 / 2,000

Simplifying:

Velocity = 2.25 / 2

The result is:

Velocity = 1.125

Therefore, the correct answer is: d. None of the above is true.

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Answer:

The answer is C 33.75 inches

Step-by-step explanation:

look at the explanation photo

a)

The perimeter is given by

b)

Then we simplify by summing similar terms we obtain that the expression of the perimeter is

Finally, to get the sample standard deviation, we take the square root of the sample variance: \(s \sqrt(49.27) \approx 7.02\) (rounded to two decimal places)Thus, option D is correct.

To calculate the point estimate of the population standard deviation, we can use the sample standard deviation formula. The sample standard deviation (denoted as s) is given by:

\(s = \sqrt(Σ(x - xx_1)^2 / (n - 1))\)

where:

x = individual data points in the sample

\(x_1 =\)mean of the sample

n = number of data points in the sample

Given the data points in the simple random sample:  \(9, 13, 15, 15, 21, 24\)

First, we need to calculate the sample mean (x):

 \(x = (9 + 13 + 15 + 15 + 21 + 24) / 6 = 97 / 6 \approx 16.17\)(rounded to two decimal places)

Next, we can plug the sample mean (x) into the formula and calculate the sum of squared differences:

\(Σ(x - xx_1)^2 = (9 - 16.17)^2 + (13 - 16.17)^2 + (15 - 16.17)^2 + (15 - 16.17)^2 + (21 - 16.17)^2 + (24 - 16.17)^2 \approx 246.33\) (rounded to two decimal places)

Then, we divide the sum of squared differences by (n - 1) to get the sample variance:

\(s^2 = Σ(x - xx)^2 / (n - 1) = 246.33 / 5 \approx 49.27\) (rounded to two decimal places)

Finally, to get the sample standard deviation, we take the square root of the sample variance:

\(s \approx \sqrt(49.27) ≈ 7.02\)   (rounded to two decimal places)

Therefore, Finally, to get the sample standard deviation, we take the square root of the sample variance: \(s \sqrt(49.27) \approx 7.02\) (rounded to two decimal places)

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The answer of the given question based on the standard deviation is the point estimate of the population standard deviation is approximately 7.688. The answer choice is A.

Standard deviation is a measure of the variability or dispersion of a set of data points. It tells us how much the data deviates from the mean or average value. The standard deviation is calculated by taking the square root of the variance. The variance is calculated by taking the sum of the squared differences between each data point and the mean, and dividing by the total number of data points.

To estimate the population standard deviation from a sample, we can use the formula:

s = √[Σ(x i - ₓ⁻)² / (n - 1)]

where s is the sample standard deviation, Σ(x i - ₓ⁻)² is the sum of the squared differences between each sample value and the sample mean, n is the sample size, and ₓ⁻ is the sample mean.

Using the given data, we have:

ₓ⁻ = (9 + 13 + 15 + 15 + 21 + 24) / 6 = 15.5

Σ(x i - ₓ⁻)² = (9 - 15.5)² + (13 - 15.5)² + (15 - 15.5)² + (15 - 15.5)² + (21 - 15.5)² + (24 - 15.5)² = 611

n = 6

Substituting the values into formula, we will get:

s = √[Σ(x i - ₓ⁻)² / (n - 1)] = √[611 / 5] ≈ 7.688

Therefore, the point estimate of the population standard deviation is approximately 7.688. The answer choice is A.

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Answer:

what is the slope of the line? please help 30 points

Step-by-step explanation:

so the answer is (-3,1)

hope this helps you!!!!!!!!1

:D

:D

:D

;D

:D

:D

;D

Answer:

(-3, 1)

Step-by-step explanation:

The line goes down 3. . . cubes? units?

(I don't know what the little squares are called, I forgot)

Then it goes to the right 1 time

Answer:

18.84cm

Step-by-step explanation:

circumference is diameter × π

to find the diameter we double the radius

3×2= 6 so 6 is the diameter

6×3.14=18.84

Answer: We on da same question i do not know

Step-by-step explanation:

Answer:

umm i think you would be at tje point 4,0

Answer:

The answer would be C, since numerical expressions only contain numbers.

Answer:

The answer is A even though variables are letters they are not symbols like %,$,# etc. All the other ones are correct besides C. Hope this helps

Step-by-step explanation:

The value of p is 5/8

A complex fraction is a rational expression that has a fraction in its numerator, denominator or both. In other words, there is at least one small fraction within the overall fraction.

Examples of complex fraction include ½/¾, ⅚/½

⅚/p = ⅔/½

= 5/6 ÷ p = ⅔ ÷ 1/2

= 5/6 × 1/p = 2/3 × 2/1

= 5/6p = 4/3

15 = 24p

divide both sides by 24

p = 15/24

p = 5/8

therefore the value of p is 5/8

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Answer: D   11.O

Step-by-step explanation:

9 is across from <50 and x is across from 70. use law of sines to solve

9/sin50=x/sin70

x=9*sin70/sin50

x=11.0

Answer:

Value of x is 92°.

Step-by-step explanation:

The given figure is a cyclic quadrilateral. All the sides of the quadrilateral touches the circle. So, the sum of the opposite angles will always be 180°.

88° + x° = 180°

x° = 180° - 88°

Let the original price of the item be X.

In one week, the price is halved and becomes (1/2)X.

In two weeks, the price is halved again and becomes (1/4)X, which is only 75% off.

Answer:

it is called rectangularization

Step-by-step explanation:

From the table, the conclusion can be made that for any value of the input, the value of the output remains the same. Then the correct option is C.

A function is an argument, concept, or regulation that demonstrates an association between two variables. Functions may be located throughout mathematics and are necessary for the expansion of significant linkages.

If the number of values of the variable 'y' is more than one for a given value of 'x', then it is not a function.

The table is given below.

   x         y

 - 5        20

   0        20

   5        20

  10        20

From the table, the conclusion can be made that for any value of the input, the value of the output remains the same. Then the correct option is C.

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The complete question is attached below.

Answer:

55.5 cm

Step-by-step explanation:

\(h=2*\frac{A}{a+b} \\\\h=2*\frac{5550}{115+85} \\\\h=2*\frac{5550}{200} \\\\h=2*\frac{111}{4} \\\\h=55.5\)

Answer:

2x4=8+3=11

Step-by-step explanation:

first multiply 2 times 4 equals 8 and add 3 which equals 11.

Answer:

2x^2

Step-by-step explanation:

combine like terms, and do the subtraction!

Answer:

2x^2

Step-by-step explanation:

7x^2-5x^2 is equal to 2x^2 because they have the same degree, they are able to be added and subtracted.

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Answer:

7.8

Step-by-step explanation:

5 goes into 39 seven times. 5 x 7 is 35. 39-35 is 4. So it would be 7 and 4/5. This is the same thing as 7.8

hope this helps

Answer:

B. 4

Step-by-step explanation:

1 meter is equivalent to 100 cm

Therefore, 2 m = 200cm

He needs to cut lengths of wood that measure 50 cm each

Therefore, 200÷50 = 4

Standard deviations are used to measure the variability of the set

The reason they choose the standard deviation as the measure of variability is (a) when plotted, the data set had a normal distribution

When a data is distributed, the data can be measured using the median, the mean or the standard deviation.

If the data is a normal distribution, then the best measure of variability to use is the standard deviation

Hence, the true statement is (a) when plotted, the data set had a normal distribution

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Answer:

y = 5 + 0.9x

Step-by-step explanation:

If y is the total fee and x is the miles driven, we get following equation:

The total comprises of a constant initial rate ($5) and a charge for driven miles (0.9x)