Which are vertical angles? check all that apply. ∠eab and ∠bac ∠eab and ∠cad ∠cad and ∠fae ∠cab and ∠dae ∠dac and ∠dae

The command in Stata would be the most useful is reg when  you want to combine this with a dataset that reports how much each individual sleeps per week.

A collection of data is known as a data set (or dataset). In the case of tabular data, a data set relates to one or more database tables, where each row refers to a specific record in the corresponding data set and each column to a specific variable. The data set includes values for each of the variables, such as the object's height and weight, for each set member. Data sets may also include a group of files or documents.

For data management, visualisation, statistics, and automated reporting, Stata is a general-purpose statistical software programme created by StataCorp. Researchers in a variety of disciplines, such as science, biomedicine, epidemiology, and sociology, use it.

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The speed at which the red car is actually traveling along the road is 90 feet per second.

A red car is driving along the road in the direction of the police car and is 180 feet up the road from the location of the police car.

The police radar reads that the distance between the police car and the red car is decreasing at a rate of 90 feet per second.

Therefore, the speed at which the red car is actually traveling along the road is 90 feet per second.

Summary: The speed at which the red car is actually traveling along the road is 90 feet per second.

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The annual rate of interest is 0.01858

To calculate the annual rate of interest, we need to determine the interest earned in 9 months on an investment of $19,732.65. The interest earned is $275.03. Using this information, we can calculate the annual rate of interest by dividing the interest earned by the principal investment and then multiplying by the appropriate factor to convert it to an annual rate.

To calculate the annual rate of interest, we can use the formula:

Annual interest rate = (Interest earned / Principal investment) * (12 / Number of months)

In this case, the interest earned is $275.03, the principal investment is $19,732.65, and the number of months is 9.

Plugging in the values into the formula:

Annual interest rate = ($275.03 / $19,732.65) * (12 / 9)=0.01858

The annual rate of interest is 0.01858.

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Answer:

Step-by-step explanation:

nth term = 3n+2

a) first term = 3+2 = 5

Second term = 3(2)+2 = 8

Third term = 3(3) +2 = 11

b) tenth term = 3(10)+2 = 32

Answer:

i do belive its 120 now :P

Step-by-step explanation:

The rate of the reaction, assuming Avrami kinetics with n = 2 and\(k = 5 / 10^{-4 }s^{-1}\), when half of the reaction has occurred, is 3.75/ \(10^{-4} s^{-1}\)

Avrami kinetics is described by the following rate equation:

\(r = k(1-X^n)\)

where r is the reaction rate, X is the fraction of the reaction that has occurred, k is the rate constant, and n is the Avrami exponent.

Given n = 2 and k = \(5 \times 10^{-4} s^{-1}\), the rate equation becomes:

\(r = 5 \times 10^{-4} (1-X^2)\)

To compute the rate of the reaction, we need to know the value of X, which is the fraction of the reaction that has occurred. This can be determined experimentally or by other means.

Assuming X = 0.5, which means that half of the reaction has occurred, the rate of the reaction can be computed as follows:

\(r = 5 / 10^{-4} (1-0.5^2)\)

\(r= 5 / 10^{-4 }(1-0.25)\)

\(r= 5 / 10^{-4} (0.75)\)

\(r= 3.75 / 10^{-4} s^{-1}\)

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The probability that a randomly selected Manhattan resident spends New Year's Eve at Times Square, given that the resident is out of town on New Year's Eve, is 0.

If the resident is out of town on New Year's Eve, it implies that they are not present in Manhattan during that time. Therefore, it is not possible for them to spend New Year's Eve at Times Square if they are not in town.

Since the resident is out of town, the probability of them being at Times Square on New Year's Eve is zero. Probability is a measure of the likelihood of an event occurring, ranging from 0 (impossible) to 1 (certain). In this case, the event of a resident being at Times Square on New Year's Eve is impossible because they are out of town.

Hence, the probability of a randomly selected Manhattan resident spending New Year's Eve at Times Square, given that they are out of town on New Year's Eve, is 0.

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Answer:

b) 1/2

because 2 dies will have 12 faces

Answer:

cheapt

Step-by-step explanation:

The cutoff value for the (a) highest 59 IQs is approximately 103.5. (b)  lowest 309 IQs is approximately 87.19. (c) middle 80% of the IQs are approximately 80.77 and 119.23.

To find the cutoff values for different percentages of IQs in the Normal model N(100, 15), we can use the properties of the standard normal distribution.

a) To find the cutoff value for the highest 59 of all IQs, we need to find the z-score corresponding to the 59th percentile. Using a standard normal distribution table or a calculator, we can find that the z-score for the 59th percentile is approximately 0.233. We can then convert this z-score to the corresponding IQ value using the formula:

IQ = mean + (z-score * standard deviation)

= 100 + (0.233 * 15)

≈ 103.5

Therefore, the cutoff value for the highest 59 IQs is approximately 103.5.

b) Similarly, to find the cutoff value for the lowest 309 of the IQs, we need to find the z-score corresponding to the 309th percentile. Since the standard normal distribution is symmetrical, the z-score for the 309th percentile would be the negative of the z-score for the (100 - 309)th percentile. So, we calculate the z-score for the 309th percentile as -0.854. Converting this z-score to the corresponding IQ value:

IQ = 100 + (-0.854 * 15)

≈ 87.19

Therefore, the cutoff value for the lowest 309 IQs is approximately 87.19.

c) To find the cutoff values for the middle 80% of the IQs, we need to find the z-scores corresponding to the lower and upper percentiles. The lower percentile would be (100 - 80)/2 = 10th percentile, and the upper percentile would be 90th percentile. Using the standard normal distribution table, we find that the z-score for the 10th percentile is approximately -1.282, and the z-score for the 90th percentile is approximately 1.282. Converting these z-scores to IQ values:

Lower cutoff IQ = 100 + (-1.282 * 15)

≈ 80.77

Upper cutoff IQ = 100 + (1.282 * 15)

≈ 119.23

Therefore, the cutoff values for the middle 80% of the IQs are approximately 80.77 and 119.23.

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Answer:

\( - 5 = 0.5x \\ \frac{ - 5}{0.5} = x \\ - 10 = x\)

Step-by-step explanation:

this is the step

The equivalent radian measure for 310° is approximately 5.410 radians.

Using the given proportion, we can find the equivalent radian measure for 310°.

Let's plug the values into the proportion:

d / 180° = r radians / π radians

We are given d = 310°, so we can substitute it into the equation:

310° / 180° = r radians / π radians

To solve for r, we can cross-multiply:

310° * π radians = 180° * r radians

Now we can isolate r by dividing both sides of the equation by 180°:

(310° * π radians) / 180° = r radians

Simplifying further, we have:

(31π / 18) radians ≈ 5.410 radian

In this solution, we used the given proportion to convert the degree measure to its equivalent radian measure. By setting up the proportion and cross-multiplying, we derived an equation to solve for the unknown radian measure, represented by 'r'. After simplifying the equation and performing the calculations, we found that 310° is approximately equal to 5.410 radians.

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Answer:

4xy(2+y)

Step-by-step explanation:

Factor  4 x y  out of  8 x y .

\(4xy(2)+4xy^2\)

Factor 4xy out of \(4xy^2\)

4xy(2) + 4xy(y)

Factor  4 x y  out of  4 x y ( 2 )  +  4 x y ( y ) .

4xy(2+y)

hope this helps :)

The value of the ratio x : y : z is 1/2 : /3 : 5/18

From the question, we have the following parameters that can be used in our computation:

x:y = 1/2:1/3 and y:z = 1/5:1/6

Express the ratio properly

So, we have the following representation

x : y = 1/2 : 1/3 and y : z = 1/5 : 1/6

Multiply the ratio y : z = 1/5 : 1/6 by 5/3

So, we have

y : z = 1/3 : 5/18

So, we have

x : y : y : z = 1/2 : 1/3 : 1/3 : 5/18

Remove the repetition

This gives

x : y : z = 1/2 : /3 : 5/18

Hence, the ratio is 1/2 : /3 : 5/18

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The rate of change of the area of the square at that instant is approximately -22.1978 square kilometers per hour.

Let's start by recalling the formula for the area of a square: A = \(s^2,\)where A is the area and s is the side length. We are given that the side length is decreasing at a rate of 2.22 kilometers per hour. This means that the rate of change of the side length is ds/dt = -2.22 km/h (the negative sign indicates that the side length is decreasing).

At a certain instant, the side length is 9.99 kilometers. We can use this information to find the area of the square at that instant:

A = \(s^2 = (9.99 km)^2 = 99.8001 km^2\)

To find the rate of change of the area at that instant, we can use the chain rule of differentiation:

dA/dt = dA/ds * ds/dt

We know ds/dt = -2.22 km/h, and we can find dA/ds by differentiating the formula for the area:

dA/ds = 2s

So, at the instant when the side length is 9.99 km, the rate of change of the area is:

dA/dt = dA/ds * ds/dt = 2s * (-2.22 km/h) = -22.1978\(km^2/h\)

Therefore, the rate of change of the area of the square at that instant is approximately -22.1978 square kilometers per hour.

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Answer:

45

Step-by-step explanation:

25 = 700

Y = 1260

Now you need to do cross multiplication .

25 X 1260=700Y

Since it's in a multiplying form you can simplify by dividing 700 by 25

1260=700Y/25

1260=28Y

Y=45

Answer:

y=4x-5

Step-by-step explanation:

y = 4x-5. Step-by-step explanation: Slope-intercept form : y=mx+b. y+1 = 4(x - 1).

Answer:

c

Step-by-step explanation:

Answer:

$36.38

Step-by-step explanation:

If the sales tax rate is 7% in New York, then how much sales tax would you pay in New York for a $34 pair of pants?

Given data

Tax= 7%

Cost = $34

Let us solve for the amount of tax

=7/100*34

=0.07*34

=2.38

Hence the total is =2.38+34

=$36.38

Answer:

Step-by-step explanation:

apply minus - plus rule:

- (-9y + 7)

= 9y - 7

Answer:

7m=77

Step-by-step explanation:

The phrase 'the product of' means two terms will be multiplied and the world 'is' almost always means an equal sign.

Answer:

32.9

Step-by-step explanation:

7*9.4/2=32.9

To determine the z-score for the number of sandwiches delivered in less than 23 minutes at Sammy's Sandwich Shop, we need to calculate the deviation from the mean in terms of standard deviations. The z-score is -1.5.

The z-score measures the number of standard deviations a data point is from the mean. In this case, we have a mean delivery time of 25 minutes and a standard deviation of 2 minutes.

To find the z-score for the number of sandwiches delivered in less than 23 minutes, we calculate the deviation from the mean in terms of standard deviations. The formula for calculating the z-score is: z = (x - μ) / σ, where x is the data point, μ is the mean, and σ is the standard deviation.

Plugging in the given values, we have: z = (23 - 25) / 2 = -2 / 2 = -1.

Therefore, the z-score for the number of sandwiches delivered in less than 23 minutes is -1. This indicates that the delivery time of 23 minutes is 1 standard deviation below the mean.

In summary, the z-score for the number of sandwiches delivered in less than 23 minutes at Sammy's Sandwich Shop is -1.5.

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When a scatterplot is created from a table of values, the statement that is correct is A.It is possible for two points to have the same x-coordinate and the same y-coordinate.

Scatter plots in mathematics can be considered as the graphs that helps in the establishment of the relationship between two variables in a data-set.

It shoud be noted that this represents data points which can be represented on the two-dimensional plane or on a Cartesian system however there are two variables whereby the independent variable or attribute is plotted on the X-axis,  and the other is plotted on the Y-axis.

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W and is orthogonal to all vectors in W except itself, we have shown that any vector in Rn can be written as a linear combination of the n non-zero orthogonal vectors that span W, and hence W=Rn.

To show that W=Rn, we need to show that any vector in Rn can be written as a linear combination of the n non-zero orthogonal vectors that span W.

Let v be any vector in Rn. Since the n non-zero orthogonal vectors span W, we can write v as a linear combination of them:

v = c1v1 + c2v2 + ... + cnvn

where c1, c2, ..., cn are scalars, and v1, v2, ..., vn are the n non-zero orthogonal vectors that span W.

To show that v is in W, we need to show that v is orthogonal to all vectors in W except itself. Since the n non-zero orthogonal vectors are linearly independent, any linear combination of them that is orthogonal to v must be the zero vector.

Therefore, if w is any vector in W that is not equal to v, we have:

=  = c1 + c2 + ... + cn = 0

since v is orthogonal to all the non-zero orthogonal vectors. This means that v is orthogonal to all vectors in W except itself.

Therefore, since v is in W and is orthogonal to all vectors in W except itself, we have shown that any vector in Rn can be written as a linear combination of the n non-zero orthogonal vectors that span W, and hence W=Rn.

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With the help of permutation and combination we conclude that the correct matches are:

Ordered selections with repetition: [choose]

Ordered selection without repetition: [choose]

Unordered selection without repetition: [choose]

Unordered selection with repetition: [choose]

What is permutation?

In mathematics and combinatorics, a permutation refers to an arrangement or ordering of objects. It is a way of selecting and arranging a set of items in a specific order.

Here's how the selection types correspond to the number of ways the selection can happen:

Ordered selections with repetition: [choose]

In this selection type, the order of selection matters, and repetition is allowed. This means that an object can be selected multiple times. The number of ways to make the selection is denoted by \(n^k\), where n represents the number of available objects and k represents the number of objects to be selected.

Ordered selection without repetition: [choose]

In this selection type, the order of selection matters, but repetition is not allowed. Each object can be selected only once. The number of ways to make the selection is denoted by P(n, k), which represents the number of permutations of k objects chosen from n distinct objects. The formula for P(n, k) is n! / (n - k)!

Unordered selection without repetition: [choose]

In this selection type, the order of selection does not matter, and repetition is not allowed. Each object can be selected only once. The number of ways to make the selection is denoted by C(n, k) or n choose k, which represents the number of combinations of k objects chosen from n distinct objects. The formula for C(n, k) is n! / (k! * (n - k)!).

Unordered selection with repetition: [choose]

In this selection type, the order of selection does not matter, and repetition is allowed. Each object can be selected multiple times. The number of ways to make the selection is denoted by C(n + k - 1, k) or (n + k - 1) choose k, which represents the number of combinations of k objects chosen from n distinct objects when repetition is allowed. The formula for C(n + k - 1, k) is (n + k - 1)! / (k! * (n - 1)!).

So, the correct matches are:

Ordered selections with repetition: [choose]

Ordered selection without repetition: [choose]

Unordered selection without repetition: [choose]

Unordered selection with repetition: [choose]

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Therefore, the cat food will feed Sally's 3 cats for 16 days.

A fraction is a way of representing a part of a whole or a ratio between two numbers. It is written as a numerical quantity represented as a numerator and a denominator separated by a horizontal line or slash. The numerator represents the number of equal parts being considered, while the denominator represents the total number of parts in the whole or in the group being considered.

Here,

Each cat eats 1/4 of a tin of cat food per day, so the total amount of cat food needed per day for all 3 cats is:

3 x 1/4 = 3/4

This means that Sally needs 3/4 of a tin of cat food per day to feed all 3 cats. If she buys 12 tins of cat food, this will last:

12 / (3/4) = 12 x 4/3

= 16 days

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Answer:

Plot point -6 and 2 and just keep making the line straight off the graph  I think this should help

Step-by-step explanation:

Answer:

13.24 ft

Step-by-step explanation:

To solve this problem you must apply the proccedure shown below:

1. You have:

Sinα=opposite/hypotenuse

α=62°

opposite=x

hypotenuse=15 ft

2. When you substitute the values into  Sinα=opposite/hypotenuse, you obtain:

Sinα=opposite/hypotenuse

Sin(62°)=x/15

3. You must clear "x", as below:

x=(15)(Sin(62°))

x=13.24 ft

The answer is. 13.24 ft