Please help and show the work thank you ! :)

Answer:

C) Flower color.

Step-by-step explanation:

Quantitative variables are things that can be measured. A garden hose's length is measured in meters or feet. You measure the rainfall for a day in millilitres or liters. The weight of books on a shelf is measured in pounds or grams.

Categorical variables are often descriptions, such as C) Flower color.

Hope this helps!

Flower colors, generated from anthocyanins, flavonoids, or carotene which draw bone, trichromats, photoreceptor cells, tri- or tetrachromats butterflies & birds, that are supersensitive, blues, as well as green.

Therefore, the "Option C" is the only correct answer.

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Answer:

m<ABC = 100degrees

m<IJG = 104degrees

Step-by-step explanation:

14. The sum of the opposite angle of the quadrilateral is 180degrees. Hence;

m<ADC + m<ABC = 180

3y+8+4y+4 = 180

7y + 12 = 180

7y = 180 - 12

7y = 168

y = 168/7

y = 24

Get <ABC

m<ABC  = 4y+4

m<ABC = 4(24) + 4

m<ABC = 96 + 4

m<ABC = 100degrees

15. Similarly for this;

GHI + IJG = 180

76 + m<IJG = 180

m<IJG = 180 - 76

m<IJG = 104degrees

After answering the given query, we can state that  In light of this, Q is a equation point that is coplanar with J, K, L, and M but not collinear with JK and IM.(-4, 13, -5).

In a math equation, two assertions are connected by the equals sign (=), which denotes equivalence. Through a mathematical statement, algebraic equations show that two mathematical expressions are equal. For instance, the equal sign separates the numbers 3x plus 5 and 14 in the equation 3x + 5 = 14. To comprehend the relationship between the two lines written on the opposing edges of a letter, use a mathematical formula. The logo and the specific program tend to correspond most of the time. An illustration would be 2x - 4 = 2.

JK = <6 - (-4), -3 - 3> = <10, -6>

JM = <3 - (-4), 3 - 3> = <7, 0>

JK x JM = 10, -6, and 0 for n

10(x - (-4)) - 6(y - 3) + 0(z - 3) = 0

10x - 6y - 30 = 0

5x - 3y - 15 = 0

JL = <-4 - (-4), -5 - 3> = <0, -8>

x=-4 + 0t, y=3 - 8t, and z=-5 + 0t

5(-4 + 0t) - 3(3 - 8t) - 15 = 0

-24t - 30 = 0

t =-5/4

x = -4 + 0(-5/4) = -4

y = 3 - 8(-5/4) = 13

z = -5 + 0(-5/4) = -5

Therefore, position Q is (-4, 13, -5).

In light of this, Q is a point that is coplanar with J, K, L, and M but not collinear with JK and IM.(-4, 13, -5).

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Answer:

y = 3x - 5

Step-by-step explanation:

So first take any two points from the graph.

(0, -5), (2, 1)

The slope is \(\frac{1 + 5}{2 - 0} =3\)

y = mx + b

b is the y intercept

The y intercept is (0, -5) as this is where the line intersects the y axis.

y = 3x - 5

In an equilateral triangle, all important points (centroid, circumcenter, orthocenter) coincide, causing the Euler line to collapse into a single point.

An equilateral triangle is certainly allowed in mathematics and is a well-defined geometric shape. However, when it comes to the concept of an Euler line, which is a special line associated with triangles, an equilateral triangle has some unique properties.

The Euler line is a line that passes through several important points of a triangle, including the centroid, circumcenter, orthocenter, and sometimes the nine-point center. However, in the case of an equilateral triangle, these points coincide.

In an equilateral triangle, all three vertices are equidistant from the centroid, circumcenter, and orthocenter because they are essentially the same point. This means that the Euler line, which normally connects these points, collapses into a single point in the case of an equilateral triangle. So, there is no distinct Euler line for an equilateral triangle since the points it is supposed to connect are all coincident.To summarize, while an equilateral triangle is a valid geometric shape, it has unique properties that result in the Euler line degenerating into a single point, as all the significant points it would typically connect coincide in this particular case.

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In order to know if a triangle is a right triangle on a coordinate plane, you can find the lengths of all three sides of the triangle using the distance formula and apply the Pythagorean theorem.

Find the lengths of the three sides of the triangle using the distance formula.

Once you have the lengths of the sides, check if any of the three sides satisfy the Pythagorean theorem, which states that in a right triangle, the square of the length of the hypotenuse (the longest side) is equal to the sum of the squares of the other two sides. In other words, if a² + b² = c², where c is the longest side, then the triangle is a right triangle.

If one of the sides satisfies the Pythagorean theorem, then the triangle is a right triangle.

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the matrix ATA has an orthonormal set of n eigenvectors, satisfying both the properties of orthogonality and normalization.

To prove that the matrix ATA has an orthonormal set of n eigenvectors, we need to show that the eigenvectors of ATA are orthogonal (perpendicular) to each other and have a length of 1 (normalized).

Let v be an eigenvector of ATA with eigenvalue λ. This means that ATA v = λv.

To show that the eigenvectors are orthogonal, consider two eigenvectors v1 and v2 with corresponding eigenvalues λ1 and λ2. We have (ATA)v1 = λ1v1 and (ATA)v2 = λ2v2. Taking the dot product of these equations, we get v1ᵀATAv2 = λ1v1ᵀv2.

Since ATA is a symmetric matrix (ATA = (AᵀA)ᵀ), we have v1ᵀATAv2 = v1ᵀ(AᵀA)v2 = (Av1)ᵀ(Av2).

Since Av1 and Av2 are vectors in the column space of A, the dot product (Av1)ᵀ(Av2) is zero unless v1 and v2 are orthogonal. Therefore, we have v1ᵀv2 = 0, indicating that the eigenvectors of ATA are orthogonal.

To show that the eigenvectors are normalized, we can normalize each eigenvector by dividing it by its length. This ensures that the length of each eigenvector is 1.

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The mathematical phrase "e to the ipi" is composed of the imaginary unit i (the square root of -1 raised to the power of pi), which is symbolized by "pi," and the mathematical constant "e" (Euler's number).

The expression "e to the ipi" may be expressed as follows:

\(e^{(i*pi)}\)

The following formula is known as Euler's formula:

\(e^{(ipi)}\) = cos(pi) + isin(pi)

where "cos" and "sin" are the sine and cosine functions, respectively.

We may reduce this formula to using the cosine and sine trigonometric identities.

\(e^{(i*pi)}\) = -1

"e to the ipi" hence equals a negative one. This startling and outstanding finding ties together various crucial mathematical ideas, including calculus, complex numbers, and trigonometry.

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Answer:

\(\frac{7}{3}\)  or  2 \(\frac{1}{3}\)

Step-by-step explanation:

entered it into my calculator

Answer:

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you looking very gorgeous...

also h*t and s**y ..

Answer:

plz mark me as a brainelist

hope it helps you

substitute the limits and evaluate the integral using appropriate integration techniques, such as the fundamental theorem of calculus or variable substitutions.

To determine the best order for evaluating the given double integral, we need to examine the integrand and the limits of integration. Without the specific expression for the integrand and the limits, it is not possible to provide a definitive answer. However, I can provide you with a general approach to determine the best order.

1. Analyze the integrand: Look for any symmetries, simplifications, or patterns that may suggest a preferred order of integration.

2. Consider the limits of integration: Evaluate the limits in both possible orders. Compare the resulting limits to identify any simplifications or ease of computation.

3. Evaluate the integral: Once you have determined the best order, substitute the limits and evaluate the integral using appropriate integration techniques, such as the fundamental theorem of calculus or variable substitutions.

Remember, the specific form of the double integral is crucial in determining the best order for evaluation. Without it, a more specific answer cannot be provided.

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a) The growth rate, dP/dt, is given by dP/dt = 18,000t. b) The population after 15 years is 2,525,000. c) The growth rate at t = 15 is 270,000.

To find the growth rate, we need to find the derivative of the population function P(t) with respect to time (t).

Given that \(P(t) = 500,000 + 9000t^2\), we can find the derivative as follows:

\(dP/dt = d/dt (500,000 + 9000t^2)\)

Using the power rule of differentiation, the derivative of \(t^2\) is 2t:

dP/dt = 0 + 2 * 9000t

Simplifying further, we have:

dP/dt = 18,000t

b) To find the population after 15 years, we can substitute t = 15 into the population function P(t):

\(P(15) = 500,000 + 9000(15)^2\)

P(15) = 500,000 + 9000(225)

P(15) = 500,000 + 2,025,000

P(15) = 2,525,000

c) To find the growth rate at t = 15, we can substitute t = 15 into the expression for the growth rate, dP/dt:

dP/dt at t = 15 = 18,000(15)

dP/dt at t = 15 = 270,000

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Answer:

The product x time y is zero (0)

Step-by-step explanation:

Notice that you are given a system of two equations with two unknowns, so, let's proceed to find the unknowns by the method of substitution (easiest since it is very simple to find "y" in terms of 'x" from the second equation).

Then we use that expression to substitute for "y" in the first equation and solve for x:

\(6x=42+y\\y=6x-42\\Then:\\2x-9y=14\\can\,\,be\,\,written\,\,as:\\2x-9(6x-42)=14\\2x-54x+372=14\\-52x=-364\\x=(-364)/(-52)\\x=7\)

Now we use this result in the substitution equation to find the value of "y":

\(y=6x-42\\y=6\,(7)-42\\y=42-42\\y=0\)

Then, the product x times y is:   7 times 0 = 0

The product renders zero (0)

The mean of the following data 0,5,30,25,16,18,19,26,0,20,28 is 17.

Hence option D is the correct option.

Mean is the average value of a given set of data. It is calculated by the formula,

Mean =  {Summation of all the values in the data set} / {Number of observations is the data set}

That is, Mean = {Σ all values in the data set} / {number of observations}

The given data set is as follows,

0,5,30,25,16,18,19,26,0,20,28

The number of observations in the data set is 11.

The summation of all the values in the data set is = {0 + 5 + 30 + 25 +
16 + 18 + 19 +26 + 0 + 20 + 28} = 187

Therefore, by applying  the formula of Mean we get

Mean = 187/ 11 = 17

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The equation that is equivalent is

-x/4 + 3/4 = 12

Option D is the correct a nswer.

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

We have,

The equation for Negative one-fourth (x) + three-fourths = 12 is,

(-1/4)x + (3/4) = 12 _____(1)

Now,

-4x + 3/4 = 12

This is not equivalent to (1).

-1(x/4) + 3/4 = 12

This is not equivalent to (1).

-x + 3/4 = 12

This is not equivalent to (1).

1/4 (x + 3) = 12

(1/4)x + 3/4 = 12

This is not equivalent to (1).

-x/4 + 3/4 = 12

This is equivalent to (1).

Thus,

The equation that is equivalent is

-x/4 + 3/4 = 12

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The airspeed of the plane is 350 mph and the speed of the wind is 50 mph.

Effect of wind resistance on the plane:The speed of the wind is 50 mph, and it is against the plane while flying west.

Given that a plane is flying 1200 miles west requires 4 hours and flying 1200 miles east requires 3 hours.

To find the airspeed of the plane and the effect wind resistance has on the plane, let x be the airspeed of the plane and y be the speed of the wind.  The formula for calculating distance is:

d = r * t

where d is the distance, r is the rate (or speed), and t is time.

Using the formula of distance, we can write the following equations:

For flying 1200 miles west,

x - y = 1200/4x - y = 300........(1)

For flying 1200 miles east

x + y = 1200/3x + y = 400........(2)

On solving equation (1) and (2), we get:

2x = 700x = 350 mph

Substitute the value of x into equation (1), we get:

y = 50 mph

Therefore, the airspeed of the plane is 350 mph and the speed of the wind is 50 mph.

Effect of wind resistance on the plane:The speed of the wind is 50 mph, and it is against the plane while flying west.

So, it will decrease the effective airspeed of the plane. On the other hand, when the plane flies east, the wind is in the same direction as the plane, so it will increase the effective airspeed of the plane.

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Answer:

Im pretty sure its 5

Step-by-step explanation:

5:1 due to 20/4 would be 5. I can give you more of an explaination if needed.

Answer:

5 triangles to 4 circles.

Answer:

Step-by-step explanation:

36 divided by 3. I think.

Answer:

Divide 3 by 36 and simplify your answer

Step-by-step explanation:

Answer:

2x+5 is the expression

Answer:

The expression is 2x + 5

Total distance of the triathlon race is 23.34 kilometers.

Reg enters a triathlon race. He swims 1.25 kilometers, bikes 20.5 kilometers, and runs 1.59 kilometers.

The total distance of the race is 23.34 kilometers.

Reg enters a triathlon race.

He swims 1.25 kilometers, bikes 20.5 kilometers, and runs 1.59 kilometers.

In order to calculate the total distance of the race, we need to find the sum of the distance Reg swam, biked and ran. Therefore, Total distance = Distance swam + Distance biked + Distance ranTotal distance = 1.25 + 20.5 + 1.59 km

Total distance = 23.34 km.

The summary of this problem is that the total distance of the triathlon race is 23.34 kilometers.

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The approximation of √300 to the nearest integer is 17

An integer is a whole number that can be positive or negative or zero. Examples of integers are 0, -5, 10, 15, 1000. e.t.c. Decimal numbers are not integers.

Since the value of √300 can not give a whole number because 300 is not a perfect square. This means that the answer given will not be an integer. Therefore saying that we should approximate to integer means approximation to whole number.

√ 300 = 17.32. Therefore the approximation of the value of √300 to the nearest integer = 17.

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Answer:

the social desirability effect

Step-by-step explanation:

Social-desirability biases is the sort of response bias that is the tendency of the survey respondent to answer the question in a manner that is favorable to others.

Hence the social desirability bias is the main culprit for such a response.

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Answer: y = 14.50x + 2.99

Step-by-step explanation:

The equation is y = mx + b

y is the total cost and x is the number of shirt

We know each shirt is $14.50, and she bought x shirts, so 14.50 is the slope

The 2.99 shipping fee is the y-intercept

So our equation is

y = 14.50x + 2.99

Hi there!

8.

Recall the following properties:
\(\frac{1}{x^{-a}} = x^a\\\\x^0 = 1\)

Thus, we can rearrange the expression in parts.

\((3x)^0 = 1\\\\x^4 = x^4\\\\y^{-4} = \frac{1}{y^4}\\\\\frac{1}{x^{-3}} = x^3\\\\\frac{1}{y^{-7}} = y^7\)

Now, combine these terms:

\((1) * x^4 * \frac{1}{y^4} * x^3 * y^7 = \frac{x^4 * x^3 * y^7}{y^4}\)

More properties:
\(x^a * x^b = x^{a + b}\\\\\frac{x^a}{x^b} = x^{a - b}\)

Rewrite:
\((1) = x^{4 + 3} * y^{7 - 4} = \boxed{\text{D) } x^7y^3}\)

9)

Begin by solving the inside of the parenthesis.

\((3^2 + 3^0)^2 = (9 + 1)^2 = 10^2 = 100\\\\(6^{-2} + 3)^0 = 1\\\\100 - 1 = \boxed{ \text{ B. 99}}\)

10)

Simplify the inside of the parenthesis using the above properties.
\((\frac{x^2y^5z^3}{xy^7})^{-2} = (\frac{xz^3}{y^2})^{-2}\)

Since there is a negative in the outside exponent, we must take the reciprocal. (flip the numerator and denominator).

\(=( \frac{y^2}{xz^3})^2\)

Square both the numerator and denominator.

Recall the property:
\((x^a)^b = x^{ab}\)

\(= \frac{y^{2*2}}{x^2 * z^{3 * 2}} = \boxed{ \text{C. }\frac{y^4}{x^2z^6}}\)

(a) Frequency distribution of the given data is shown below:
Body Mass Index(BMI) (in kg/m2) Frequencies20 - 25 226 - 30 930 - 35 535 - 40 841 - 45 246 - 50 151 - 55 1

(b) The relative frequency distribution of the given data is shown below:
Body Mass Index(BMI) (in kg/m2) Relative Frequencies20 - 25 0.068 - 30 0.330 - 35 0.1725 - 40 0.281 - 45 0.086 - 50 0.031 - 55 0.03
(c) The cumulative frequency distribution of the given data is shown below:
Body Mass Index(BMI) (in kg/m2) Cumulative Frequencies20 - 25 226 - 30 1130 - 35 1835 - 40 2741 - 45 3146 - 50 3351 - 55 36
(d) The cumulative relative frequency distribution of the given data is shown below:
Body Mass Index(BMI) (in kg/m2)  Cumulative Relative Frequencies20 - 25 0.068 - 30 0.330 - 35 0.5025 - 40 0.7831 - 45 0.864 - 50 0.895 - 55 0.92
Hence, the answer is as follows:(a) Frequency distribution:  

Body Mass Index(BMI) (in kg/m2) Frequencies20 - 25 226 - 30 930 - 35 535 - 40 841 - 45 246 - 50 151 - 55 1

(b) Relative frequency distribution: Body Mass Index(BMI) (in kg/m2) Relative Frequencies20 - 25 0.068 - 30 0.330 - 35 0.1725 - 40 0.281 - 45 0.086 - 50 0.031 - 55 0.03

(c) Cumulative frequency distribution: Body Mass Index(BMI) (in kg/m2) Cumulative Frequencies 20 - 25 226 - 30 1130 - 35 1835 - 40 2741 - 45 3146 - 50 3351 - 55 36

(d) Cumulative relative frequency distribution: Body Mass Index(BMI) (in kg/m2)

Cumulative Relative Frequencies 20 - 25 0.068 - 30 0.330 - 35 0.5025 - 40 0.7831 - 45 0.864 - 50 0.895 - 55 0.92(e)

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According to this graph of supply and demand schedules, the current cost of the good is:

A demand schedule in economics is a table that displays the quantity demanded of an item or service at various price points. On a graph where the X-axis is quantity and the Y-axis is price, a demand schedule can be represented as a continuous demand curve.

A demand schedule, also known as a tabular representation or statement, displays the various quantities of goods that are wanted at various price points throughout a given time period. The precise quantity of goods and services that will be purchased at each price will be shown on a demand schedule.

The complete question is : Which statement best describes the current price for the good shown in this graph of supply and demand schedules? A. The current price should be raised to reflect lower supply. B. The current price reflects the point where supply and demand are balanced. C. The current price should be lowered to reflect higher supply. D. The current price should be lowered to reflect lower demand.​

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