What are the subtypes of qualitative data (techniques)?

You would have covered approximately 3.65 degrees of latitude when traveling 253 miles north from the equator on a perfect sphere Earth.

To determine how many degrees of latitude you would have covered when traveling 253 miles north from the equator on a perfect sphere Earth, we need to consider the Earth's circumference and the conversion factor between distance and degrees of latitude.

The Earth's circumference around the equator is approximately 24,901 miles. Since there are 360 degrees in a full circle, each degree of latitude corresponds to (24,901 miles / 360 degrees) ≈ 69.17 miles.

Therefore, to find the number of degrees of latitude covered when traveling 253 miles north from the equator, we divide the distance by the conversion factor:

253 miles / 69.17 miles/degree ≈ 3.65 degrees.

Hence, you would have covered approximately 3.65 degrees of latitude when traveling 253 miles north from the equator on a perfect sphere Earth.

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The confidence interval of p+/-E is 0.555+/-0.444

A confidence interval is often represented as the estimated value plus and minus the margin of error.

Let the mid-point of the interval be 'p'

Therefore,'

\(p=\frac{0.111+0.999}{2} =0.555\)

Now,

The error term 'E' is the distance between 'p' and the end of the interval.

\(E=\frac{0.999-0.111}{2} =0.444\)

So finally we get, the answer as

p+/-E = 0.555+/-0.444

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The straight line joins the midpoint of the two adjacent sides of the rhombus.

Therefore, the two sides of the triangle formed are equal too and according to the Isosceles triangle property the two angles are equal too

Let the two angle be x.

We know,

In rhombus opposite angle are equal. So, the third angle of the triangle = 80°

Now, Sum of angles of a triangle = 180°

x + x + 80° = 180°

2x + 80° = 180°

2x = 100°

x = 50°

The angles of the triangle formed are 50°, 50° and 80°.

As a is an external angle of the triangle and external angle of a triangle is the sum of the two opposite sides, We get :

a = 80° + 50°

a = 130°

Two trains leave the same train station at the same time but in opposite directions. The faster train travels at an average rate of 75 miles per hour and the slower train travels at an average rate of 68 miles per hour. In 5 hours will they be 715 miles apart.

Given that two trains leave the same train station at the same time, but in opposite directions.

The faster train travels at an average rate of 75 miles per hour and the slower train travels at an average rate of 68 miles per hour.

We need to determine in how many hours will they be 715 miles apart?

Let's solve this question.

Since two trains leave the station at the same time and travel in opposite directions.

So the relative speed between them would be the sum of their speeds.

Therefore, the relative speed of the two trains is

= 75+68 = 143 miles per hour.

Now, we have to find in how many hours will they be 715 miles apart?

We can use the below formula to solve the above question:

Distance = Speed x Time

=> Time = Distance/Speed

Where,

Distance = 715 miles and

Speed = 143 miles/hour

Substituting the above values in the formula, we get;

Time = 715/143

=> Time = 5 hours

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a) y=-2780.85+1.447x

b) There are 142.09 voters estimated in the year 2012

Regression analysis is a group of statistical techniques used in statistical modelling to identify relationships between a dependent variable and one or more independent variables. The dependent variable is frequently referred to as the "outcome" or "response" variable, or a "label" in machine learning jargon (often referred to as "predictors," "covariates," "explanatory variables," or "features"). The line (or more complex linear combination) that most closely matches the data in terms of a specified mathematical criterion is found in linear regression, the most common type of regression analysis. For instance, the line (or hyperplane) that minimises the sum of squared differences between the real data and that line is determined when using the ordinary least squares approach (or hyperplane).

x = 11940 / 6 = 1990y = 593.8/6 = 98.9667

let the regression equation be y = a + bx

b = \(\frac{ ∑xy - nxy }{∑x^{2} -nx^{2} }\) = \(\frac{1182067 - 6 * 1990 * 98.9667}{23760880 - 6 * 1990^{2} }\) = 1.447

a = y - bx = 98.667  -  1.447 x 1990 = -2780.85

The regression equation is

x = 2020 in regression equation

substituting x=2020 in the regression equation

y = 142.09

There are 142.09 voters estimated in the year 2012

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Answer:

162

Step-by-step explanation:

Since the ratio is 3, the terms are 3 times the term before.

So the answer is 2*3^4 = 162

I am very unsure what your question is, but the simple tip is to divide it by two each year as it is decreasing by a half..

To find the number of copies sold in subsequent years, you can use the formula:

N = N0 * (1/2)^t

where N is the number of copies sold in a given year, N0 is the initial number of copies sold (in this case, 600,000), t is the number of years since the book was released.

For example, to find the number of copies sold in the second year after the book was released:

N = 600,000 * (1/2)^1

N = 300,000

So, 300,000 copies were sold in the second year. To find the number of copies sold in subsequent years, you can continue to plug in values of t and solve for N.

Answer:

Step-by-step explanation:

To find a missing numerator, look at the denominators of the fractions. One fraction has both a numerator and denominator. Find the number that this denominator is multiplied by to get to the denominator that is missing its numerator. Multiply the known numerator by this number to find the unknown numerator.

Answer:

Complementary angles add up to 90 degrees and Supplementary angles add up to 180 degrees.

Hope this helps!

Answer: the graph is shifted 6 units down

Step-by-step explanation:

Main answer: The majority of respondents who favored the legalization of marijuana identified as liberal or very liberal.

Supporting explanation: The table shows that out of the 486 respondents who favored the legalization of marijuana, 296 identified as liberal and 120 identified as very liberal. This means that 616 out of the 826 respondents who answered both questions identified as liberal or very liberal. On the other hand, only 60 respondents who favored the legalization of marijuana identified as conservative or very conservative. This suggests that there is a correlation between political leaning and views on the legalization of marijuana, with those on the left end of the political spectrum more likely to support it.

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Answer:

Step-by-step explanation:

150 : 300

In simplest form

1 : 2

In fraction form

1/2

In decimal form

0.5

Answer:

1:2 1/2 1÷2

Step-by-step explanation:

divide both of them by 150. You get 1:2, which can be converted to 1/2 and 1÷2

Answer:

The answer is 8 quarters, 16 nickles, and 32 dimes

Step-by-step explanation:

Hope this helped :)

The size of the matrix A is 7 x 5, in order to define a mapping from R⁵ into R⁷ by the rule T(x) = Ax.

In order to define a mapping from R⁵ into R⁷ by the rule T(x) = Ax,

a matrix A must have 7 rows and 5 columns, or,

in other words, be a 7 × 5 matrix.

It is known that if T(x) = Ax, then x is a vector in the domain of T, A is a matrix, and Ax is a vector in the range of T.

Moreover, the number of columns of A must equal the dimension of the domain of T and the number of rows of A must equal the dimension of the range of T.

Since we are given that the domain of T is R⁵ and the range of T is R⁷, we can conclude that A must have 5 columns and 7 rows.

The size of the matrix A is 7 x 5, in order to define a mapping from R⁵ into R⁷ by the rule T(x) = Ax.

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Answer:

RS+ST = RT;

7+3x=x+9

2x = 16;

x = 8;

RT = 8+9 = 17;

Answer:

$72

Step-by-step explanation:

For the first month, they got a 25% discount, aka $120 off. Now that it's changed to 40%, you need to find how much 40% of $480 is.

480 x .4 = 192

40% of $480 is $192. The next step is to find the difference between $192 and $120.

192 - 120 = 72

Therefore, you need to give them of refund of $72.

Answer:

m=1

Step-by-step explanation:

add 6 to both sides, 9=9m

divide 9 on both sides, m=1

Answer:

M=1

Step-by-step explanation:

9-6m=3m

you need to get rid of the 6 so you:

9-6m = 3m

  +6m   +6m

9= 9m

\(\frac{9}{9}\)      \(\frac{9m}{9}\)

1=m

Answer:

x = g(b) + 5

Step-by-step explanation:

x/b - 5 = g

solve for x

x - 5 = g (b)

x = g(b) + 5

Answer:

x = -12

Step-by-step explanation:

x/2 + 5 = -1

x + 10/2 = -1

x + 10 = 2 × (-1)

x + 10 = -2

x = -2 - 10

x = -12

\( \bf \huge \: Question:\)

Find the value of x

\( \bf \huge \: Equation \: Given:\)

\( \sf \longmapsto \: x/2 + 5 = -1 \)

\( \bf \huge Solution:\)

\( \sf \longmapsto \dfrac{x}{2} + 5 = - 1\)

\( \bf \: Simplify \: both \: s ides \: of \: the \: equation : \)

Note that \( x \)= 1\( x \)

\( \sf \longmapsto \: \dfrac{1}{2} x + 5 = - 1\)

\( \bf \: Subtract \: 5 \: from \: both \: sides : \)

\( \sf \longmapsto \: \dfrac{1}{2} x + 5 - 5 = - 1 - 5\)

\( \bf \: O n\: Simplification:\)

\( \sf \longmapsto \: \dfrac{1}{2}x + 0= - 1 - 5\)

\( \sf \longmapsto \dfrac{ 1}{2} x = - 1 - 5\)

\( \sf \longmapsto \: \dfrac{1}{2} x = - 6\)

\( \bf \: Multiply \: both \: sides \: by \: 2 :\)

\( \sf \longmapsto \: 2 \times \bigg( \dfrac{1}{2} x\bigg) =2 \times( - 6)\)

\(\bf On\: Simplification: \)

\( \sf \longmapsto \: \cancel{2 }\times \dfrac{1}{\cancel{2}} x =2 \times( - 6)\)

\( \sf \longmapsto1x = 2( - 6)\)

\( \sf \longmapsto \: x = - 12\)

______________________________________

\( \bf \: Henceforth, The \: value \: of \: x \: is : \)

\(\boxed{ \tt \: x = - 12}\)

We need approximately 10 deposits to reach a balance of $31,300 four years after the last deposit which is compounded semi-annually.

To solve this problem, we can use the formula for the future value of an annuity:

\(FV = P * ((1 + r)^n - 1) / r\)

Where:

FV is the future value of the annuity

P is the periodic payment or deposit amount

r is the interest rate per period

n is the number of periods

In this case, the deposit amount is $726.56, the interest rate is 6.45% compounded semi-annually, and the future value is $31,300. We need to find the number of deposits (n).

We can rearrange the formula and solve for n:

n = log((FV * r) / (P * r + FV)) / log(1 + r)

Substituting the given values:

n = log((31,300 * 0.03225) / (726.56 * 0.03225 + 31,300)) / log(1 + 0.03225)

Using a calculator or software, we find that n ≈ 9.989.

Therefore, we need approximately 10 deposits to reach a balance of $31,300 four years after the last deposit.

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Answer:

yes, both the numerator and denominator are polynomials, so it is a rational function.

Step-by-step explanation:

The restriction on the domain of the function is that x cannot be equal to -2.

To identify restrictions on the domain of the function f(x) = (x - 3) / (x + 2), we need to consider the values of x that would cause the function to be undefined.

In this case, the function would be undefined when the denominator (x + 2) equals zero since division by zero is undefined.

To find the value of x that makes the denominator zero, we set x + 2 = 0 and solve for x.

x + 2 = 0

x = -2

Therefore, the restriction on the domain of the function is that x cannot be equal to -2.

In other words, the function is defined for all real numbers except x = -2. So the domain of the function f(x) = (x - 3) / (x + 2) is all real numbers except x = -2.

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Answer:

y =1

Step-by-step explanation:

6(2y−9)=-42

Divide each side by 6

6/6(2y−9)=-42/6

2y -9 = -7

Add 9 to each side

2y -9+9 = -7+9

2y =2

Divide by 2

2y/2 = 2/2

y =1

Answer:

you have to calculate 30 by6

Step-by-step explanation:

30 x 6=57

Answer:

no

Step-by-step explanation:

it would be 7

The equation that can be used to find x, which is the width of the walkway will be (16 + 2x)(12 + 2x) = 396.

It should be noted that an expression is used to show the relationship that's exists between the variables.

The equation that can be used to find x, which is the width of the walkway will be:

= (16 + x + x) (12 + x + x) = 396

= (16 + 2x)(12 + 2x) = 396

In conclusion, the correct option is C.

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The target variable in a classification model should be a categorical variable.

In a classification model, the target variable represents the class or category to which an observation belongs. It is a categorical variable because it assigns each observation to a specific group or class rather than representing a continuous or numerical value. The goal of a classification model is to predict or classify new observations into one of the predefined categories based on their features or attributes. Therefore, the target variable in a classification model should be categorical to facilitate the classification process.

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Answer:

D

Step-by-step explanation:

Answer:

d)5,7,12

Step-by-step explanation:

Answer: 243

Step-by-step explanation: the thing that happens every time is the number gets multiplied by 3. 1/3, 1, 3, 9, 27, 81, 243

hope this helps!

please give brainliest!

Answer:243

Step-by-step explanation:The terms are being multiplied by 3. 1/3 times 3 is 1, 1 times 3 is 3, 3 times 3 is 9.

answer : 40

Step-by-step explanation:

√32 × 5√2

= √32√2 = √64

= √64 × 5

= √64 = 8

= 8× 5

= 40