please help <3 i have a F in math

The statement is False

First understood what is correlation  & what is regression ?

Correlation :When measuring the relationship between two continuous variables, such as a dependent and independent variable or between two independent variables, correlation analysis is used.

Regression :Assessing the link between the outcome variable and one or more factors is referred to as regression analysis. Risk factors and co-founders are referred to as predictors or independent variables, whilst the result variable is known as the dependent or response variable. In a regression analysis, the dependent variable is represented by "y" and the independent variables are represented by "x."

Regression and correlation have some distinct differences.

The quantity and strength of the relationship between two variables is displayed through correlation. The data points are not connected by a fixed line. To determine how much one variable changes when the other stays constant, you compute a correlation. When r is zero, there is no relationship. One variable increases as the other does when r is positive. One variable rises while the other falls when r is negative.

While correlation does not match a line, linear regression identifies the optimal line that can predict y from x.

When measuring both variables, correlation is employed, whereas linear regression is typically used when manipulating the variable x.

Why the given statement is false ?

The statement is  False because correlation does not imply causation. This means if X and Y are correlated we cannot conclude if X is response or explanatory or Y is response or explanatory...hence no clearly identification of which is explanatory or response is needed

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The option c is correct. The next step she will do multiply the numerator and denominators and then simplify.Then she will solve all equation and find result.

An equation which has an unknown in the denominator of one or more terms.They often have variables in the numerator as well.since fractions can be in the ratios.We can recognize fraction by slash that is written between numbers and variables.

An expression is a combination of symbols that are formed in accordance with dependent rule.In math, expression consist of at least two numbers or variables and at least one arithmetic operation.it is possible to multiply,divide,subtract and add.

Now we solve given problem

1/x^2 - 2/y divide y-2x^2

step 1; y/x^2y - 2x^2/x^2y divide y-2x^2

step2;y-2x^2/x^2y divide y-2x^2

step 3; y-2x^2/x^2y divide y-2x^2

Next step she would be multiply the numerators and denominators.

so we have

y-2x^2/ (x^2y)(y-2x^2)

since y-2x^2 is common in the numerator and denominator. so it divides itself.thus resulr will be 1/ x^2y

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One product/service that is currently in the decline stage is DVD rentals. The decline can be attributed to the rapid rise of digital streaming platforms and the decreasing popularity of physical media. Companies competing in a declining market have strategic options such as harvesting and divesting. Harvesting involves maximizing profits from the declining product/service by reducing costs and maintaining a loyal customer base, while divesting involves exiting the market and reallocating resources to more profitable ventures.

DVD rentals are in the decline stage of the product lifecycle due to several factors. The advent of digital streaming platforms like Netflix, Hulu, and Amazon Prime Video has revolutionized the way people consume media. The convenience and vast content libraries offered by these platforms have led to a significant decline in DVD rentals. Moreover, the proliferation of high-speed internet connections and the increasing availability of streaming devices have made it easier for consumers to access digital content.

In a declining market, companies have strategic options to consider. One option is harvesting, which involves maximizing profits from the declining product/service. Companies can achieve this by reducing costs associated with production, distribution, and marketing, as the demand for the product/service diminishes. They may also focus on retaining their loyal customer base by providing incentives, discounts, or exclusive offers. For example, DVD rental companies may lower rental fees, offer bundle deals, or introduce loyalty programs to retain their remaining customers.

Another strategic option is divesting, which involves exiting the declining market altogether. Companies may choose to reallocate their resources to more profitable ventures or invest in emerging technologies or industries. In the case of DVD rentals, companies could divest by shutting down physical rental stores and selling off their DVD inventory. They could then shift their focus to digital streaming services or invest in other areas with growth potential, such as content production or streaming device manufacturing.

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Answer:

\(-k^2+7k\)

Step-by-step explanation:

Using the given equations, we must find \(C-B\)

Start by substituting the given values into the expression:

\(C-B\\k-3-(k^2-6k-3)\)

Now, take the terms out of the parentheses.

\(k-3-(k^2)-(-6k)-(-3)\\k-3-k^2+6k+3\)

Please note that two negatives make a positive

\(k-3-k^2+6k+3\)

Combine like terms:

\(-k^2+7k\)

Given:

The weights of dogs in a dog show is normally distributed.

Mean = 58 pounds

Standard deviation = 15

To find:

The probability that the weight of the dogs are between 35.5 and 65.5 pounds.

Solution:

We know that,

\(z=\dfrac{x-\mu}{\sigma}\)

Where, \(\mu\) is mean and \(\sigma \) is the standard deviation.

We need to find the value of \(P(35.5<x<65.5)\).

\(P(35.5<x<65.5)=P\left(\dfrac{35.5-58}{15}<\dfrac{x-58}{15}<\dfrac{65.5-58}{15}\right)\)

\(P(35.5<x<65.5)=P\left(-1.5<z<0.5\right)\)

\(P(35.5<x<65.5)=P\left(z<0.5\right)-P\left(z<-1.5\right)\)

Level of significance is 95%.

\(P(35.5<x<65.5)=0.69146-0.066807\)

\(P(35.5<x<65.5)=0.624653\)

\(P(35.5<x<65.5)\approx 0.6247\)

Therefore, the probability that the weight of the dogs are between 35.5 and 65.5 pounds is about 0.6247.

Answer:

(a + b)^n = C(n, 0)a^n b^0 + C(n, 1)a^(n-1) b^1 + C(n, 2)a^(n-2) b^2 + ... + C(n, n-1)a^1 b^(n-1) + C(n, n)a^0 b^n

The binomial expansion of (2x - 3y)^5 is:

32x^5 - 240x^4y + 720x^3y^2 - 1080x^2y^3 + 810xy^4 - 243y^5

The binomial expansion of the given expression is 32x⁵+240x⁴y+720x³y²+1080x²y³+810xy⁴+243y⁵.

The given expression is (2x-3y)⁵.

In elementary algebra, the binomial theorem describes the algebraic expansion of powers of a binomial.

(2x)⁵+⁵c₁(2x)⁴(3y)¹+⁵C₂(2x)³(3y)²+⁵C₃(2x)²(3y)³+⁵C₄(2x)(3y)⁴+⁵C₅(3y)⁵

= 32x⁵+5(16x⁴)(3y)+10.(8x³)(9y²)+10(4x²)(27y³)+5(2x)(81y⁴)+243y⁵

= 32x⁵+240x⁴y+720x³y²+1080x²y³+810xy⁴+243y⁵

Therefore, the binomial expansion of the given expression is 32x⁵+240x⁴y+720x³y²+1080x²y³+810xy⁴+243y⁵.

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Answer:

(2, 0)

Step-by-step explanation:

Moving left just subtracts from the x coordinate (example: left 8 subtracts 8 from the x coordinate)

Brₐinliest plz so close to leveling up

Answer:

You would end at (2, 0)

Answer:

In geometry, area is the 2-dimensional space or region occupied by a closed figure, while perimeter is the distance around a closed figure i.e. the length of the boundary. Two shapes may have the same perimeter, but different areas or may have the same area, but different perimeters.

Step-by-step explanation:

Answer maybe

Step-by-step explanation:

Step-by-step explanation:

\( \implies \sf{(x - 1) {}^{2} + (x + 1)(x - 1)} \\ \implies \sf{x}^{2} + {(1)}^{2} - 2(x)(1) + {x}^{2} - {(1)}^{2 } \\ \implies \sf {x}^{2} + 1 - 2x + {x}^{2} - 1 \\ \implies \red{\sf 2 {x}^{2} - 2x}\)

Hence, solved!

Given: A = 43.7°, a = 8.7, and b = 10.3We can find the number of possible triangles by using the Law of Sines, which states that a / sin A = b / sin B = c / sin C, where a, b, and c are the side lengths and A, B, and C are the opposite angles. Let's first use the Law of Sines to find the value of sin B: a / sin A = b / sin B => sin B = b sin A / a.

Substituting the given values, we get: sin B = 10.3 sin 43.7° / 8.7≈ 0.641Now we know the value of sin B. We can use the inverse sine function (sin⁻¹) to find the possible values of angle B: B = sin⁻¹ (0.641)≈ 40.4° or B ≈ 139.6°Note that there are two possible angles for B because sine is a periodic function that repeats every 360°.Now that we know the possible values of angle B, we can use the fact that the sum of the angles of a triangle is 180° to find the possible values of angle C: C = 180° - A - B. For B = 40.4°, we get: C = 180° - 43.7° - 40.4° = 95.9°For B = 139.6°, we get: C = 180° - 43.7° - 139.6° = -2.3°Note that we get a negative value for angle C in the second case, which is not possible because all angles of a triangle must be positive. Therefore, the second case is not valid and we only have one possible triangle. Answer: There is only one possible triangle.

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Answer:

x^2+4x+12=(x+3)^2+3

Step-by-step explanation:

x^2+4x+12

(1/2×6)^2=(3)^2=9

x^2+4x+(3)^2-(3)^2+12

x^2+4x+9-9+12

(x+3)^2-9+12

(x+3)^2+3

hope I helped.

Answer:

A = 84 square inches

Step-by-step explanation:

7 * 24 = 168

168 / 2 = 84

Part I: The slope of line q is 3, since the equation for line q is y = 3x + 5.

Part II: The slope of line p is the negative reciprocal of the slope of line q, which is -1/3.

Part III: To write an equation for line p in point-slope form, we use the point (6, -5) and the slope -1/3:

y - (-5) = -1/3(x - 6)

Simplifying this equation gives:

y + 5 = -1/3x + 2

Part IV: To write an equation for line p in slope-intercept form, we need to solve for y:

y = -1/3x - 3

the equation for line p in slope-intercept form is y = -1/3x - 3.

what is slope?

Slope is a measure of the steepness of a line. It describes the rate at which the line rises or falls as we move along it from left to right.

The slope of a line is given by the change in the y-coordinate divided by the change in the x-coordinate between any two points on the line. Symbolically, we can express this as:

slope = (change in y) / (change in x)

In other words, if we pick two points (x1, y1) and (x2, y2) on the line, then the slope of the line is:

slope = (y2 - y1) / (x2 - x1)

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Answer:

26

Step-by-step explanation:

Easy

The answer to the equation is 2

\(2-14=-12\)

Answer:

Irrational

Step-by-step explanation:

Answer:

Step-by-step explanation:

74.721 is an Irrational number.

Answer:

A and E

Step-by-step explanation:

A is correct because if you have less than 100 percent of something then the value will be less than the original value.

E is correct because 30 percent of 400 is 120 so the band will sell 120 t-shirts on Sunday.

The statement "the coefficient of determination measures the variation in the dependent variable that is explained by the regression model" is true because coefficient of determination, or R-squared, measures the proportion of variance in the dependent variable that is explained by the independent variables in a regression model.

The coefficient of determination, or R-squared, is a statistical measure that evaluates the goodness of fit of a regression model. It quantifies the amount of variance in the dependent variable that can be explained by the independent variables in the model. R-squared ranges from 0 to 1, where a value of 0 means that none of the variation in the dependent variable is explained by the model, while a value of 1 indicates that all the variation is explained.

Therefore, R-squared is useful in assessing the predictive power of a model, and higher values are generally preferred. However, it is important to note that R-squared alone does not guarantee a good model, and other factors such as model assumptions and outliers should also be considered.

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The theoretical probability of spinning green on the spinner, divided into 4 equal-size sections colored red, green, orange, and blue, is ¼ or 25%.

In this scenario, the spinner has four equal-size sections. Since each section is of equal size, the probability of landing on any specific section is the same. Therefore, the probability of spinning green, which is one out of the four possible outcomes, is 1/4 or 25%.

To calculate the theoretical probability, we divide the favorable outcomes (spinning green) by the total possible outcomes. In this case, there is one favorable outcome (green) out of four possible outcomes (red, green, orange, and blue), resulting in a probability of 1/4 or 25%.

It's important to note that theoretical probability is based on the assumption of equally likely outcomes and assumes a large number of trials. In practice, actual outcomes may deviate from theoretical probabilities due to factors like imbalances in the spinner or inherent randomness.

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A reasonable domain for a model in a discrete, real situation would depend on the specific context. The domain represents the set of possible input values for the model.

For example, if you are modeling the number of students in a classroom, a reasonable domain could be the set of positive integers starting from 1 (since you can't have a negative or fractional number of students). The range, on the other hand, represents the set of possible output values for the model. Again, this would depend on the specific context.

Continuing with the example of modeling the number of students in a classroom, a reasonable range could be any positive integer up to the maximum capacity of the classroom. It's important to consider the constraints and limitations of the situation when determining a reasonable domain and range for your model.

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Answer:

B

Step-by-step explanation:

Answer:

B. \(\frac{x^2}{3^2} +\frac{y^3}{2^2} =1\)

Step-by-step explanation:

Answer:

240

Step-by-step explanation:

From the question, we are informed that there were 600 performers in a dance recital and that the ratio of men to women is 4:6.

Fraction of men at the recital = 4/10

Fraction of women at the recital = 6/10

The number of men performers that were in the dance recital will be:

= 4/10 × 600

= 240 men

Answer: 240 men

Step-by-step explanation:

From the question, we are informed that there were 600 performers in a dance recital and that the ratio of men to women is 4:6.

Fraction of men at the recital = 4/10

Fraction of women at the recital = 6/10

The number of men performers that were in the dance recital will be:

= 4/10 × 600

= 240 men

Hope it helps

Answer:

False

Step-by-step explanation:

4/8 equals to 1/2 but 6/10 equals to 3/5. Correct would be if it was 5/10

Answer: a≈2.22

V=a3

a=V⅓=11⅓≈2.22398in

Step-by-step explanation:

Answer:

201

Step-by-step explanation:

3.14*8*8=201

Answer:

Step-by-step explanation:

Explicit formula of a G.P. is given by,

\(a_n=a(r)^{n-1}\)

Here, \(a_n\) = nth term

a = First term

n = number of term

r = common ratio

Given sequence is 3, 6, 12, .......

a = 3

r = \(\frac{6}{3}\) = 2

Therefore, explicit formula will be,

\(a_n=3(2)^{n-1}\)

Option (3) is the answer.

Parent function → f(x) = 3ˣ

Transformed function → g(x) = \(3^{x+5}\)

Since, g(x) = f(x + 5)

Therefore, function 'f' has been shifted 5 units left.

Option (1) is the answer.

Answer:

I think it is $66 at first sorry if wrong

Answer:

y+8 = -4(x-2)

Step-by-step explanation:

The point-slope form of a line is:

y-y1 = m(x-x1)  where (x1,y1) is a point on the line and m is the slope.

y - -8 = -4(x-2)

y+8 = -4(x-2)