calculate the numerical value for the following algebraic expressions when a = 1 and b= 2
solve with whole process​

A higher R2 value and a lower standard error (s) indicate a stronger relationship between the dependent variable and the independent variable.

The stronger the relationship between the dependent variable and the independent variable, the higher the R2 value and the lower the standard error (s). The R2 value represents the proportion of the variance in the dependent variable that can be explained by the independent variable. It ranges from 0 to 1, with 1 indicating a perfect relationship. On the other hand, the standard error (s) measures the average distance between the observed values and the predicted values. A lower standard error indicates a smaller spread of the around the regression line and a stronger relationship between the variables. So, in summary, a higher R2 value and a lower standard error (s) indicate a stronger relationship between the dependent variable and the independent variable.

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Answer:

A pound of apples cost 3/4 of a dollar. How much do 5 pounds cost?

Step-by-step explanation:

Essentially you are buying 3/4s of 5 somethings. Since buying a partial of an object is not so common, we will do the inverse, where you buy 5 things, worth 3/4 of something

-Chetan K

Answer:

  \(\frac{\sqrt{15}}{6} \\\)

Step-by-step explanation:

  \(\sqrt{5:12} \\\\\sqrt{\frac{5}{12} } \\\\\frac{\sqrt{5} }{\sqrt{12} } \\\\\frac{\sqrt{5}}{2\sqrt{3} } *\frac{\sqrt{3} }{\sqrt{3} } \\\\\\\frac{\sqrt{15}}{2*3} \\\\\frac{\sqrt{15}}{6} \\\)

Answer:

Step-by-step explanation:

Cultural factors and other variables can influence the choice of cooking fuel, and they may not necessarily be directly related to shopping behavior at a specific grocery store.

The probability of gas being used for cooking at a household, given that a person from the community does not shop at Prime Foods, cannot be determined without additional information or data. The shopping behavior at Prime Foods and the use of gas for cooking are unrelated variables, and their relationship would depend on various factors specific to the community and households.

To estimate the probability, one would need data or information on the overall usage of gas for cooking within the community, the shopping preferences of individuals in the community, and any potential correlations between these variables. Without such information, it is not possible to calculate the probability directly.

It's important to note that individual household preferences, energy availability, cultural factors, and other variables can influence the choice of cooking fuel, and they may not necessarily be directly related to shopping behavior at a specific grocery store.

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Answer:

1080°

Step-by-step explanation:

hope it's helpful

Step-by-step explanation:

The angle is 13.134 degree

I Hope this is right and help for you

good night :)

Answer:

Link to the Answer:

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Step-by-step explanation:

Hope it Helps!!!!

Answer:

To solve the equation 3(x+2)=17, we start by simplifying the expression on the left side by distributing the 3:

3(x+2) = 17

3x + 6 = 17

Next, we isolate the variable term by subtracting 6 from both sides:

3x + 6 - 6 = 17 - 6

3x = 11

Finally, we solve for x by dividing both sides by 3:

3x/3 = 11/3

x = 11/3

Therefore, the solution to the equation 3(x+2)=17 is x = 11/3.

To solve the equation 4x+3=2x+15, we start by simplifying the expression by combining like terms:

4x + 3 = 2x + 15

2x + 3 = 15

Next, we isolate the variable term by subtracting 3 from both sides:

2x + 3 - 3 = 15 - 3

2x = 12

Finally, we solve for x by dividing both sides by 2:

2x/2 = 12/2

x = 6

Therefore, the solution to the equation 4x+3=2x+15 is x = 6.

Step-by-step explanation:

Answer:

1. The two decimals are 1.06 and 1.28. 2. The numbers 1.06 and 1.28 are both between 1 and 2.

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

I hope you want the area.

Area = L * W

L = 24x^3

W = 5x^2

Area = 24x^3 * 5x^2

Area = 120 * x^(3 + 2)

Area = 120 * x^5

Note

When you multiply numbers or letters that have powers, if the base for both of them is the same, the powers are added.

The above answer is an example x^2 * x ^3 are letters (x) that are raised to the 2nd power and the 3rd power. You add the powers.

Numbers can do the same thing

64 * 8 = 256

Answer:

(4/4)*(4/4) = 1.

Step-by-step explanation:

(4/4)*(4/4) = 1.

The ways to collect data in a sample include:

It should be noted that a sample simply means a subset of a population that has the characteristics of the entire population.

In this case, the ways to collect data in a sample include the use of questionnaire, through observations, and through surveys.

l

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The above question is a mathematical proof of the relationship between Lines and angles related to a Rhombus. See the proof below.

We know,

A Rhombus is a parallelogram with four sides (that is a quadrilateral). It's sides however are all of equal length.

we have,

∠DEC ≅ ∠BFC  Reason = All Right Angles with Equal dimensions are congruent.

∠C ≅ ∠C  Reason = It is the same angle for the two Right angles above which are congruent, hence Reflexive Property.

Δ DEC ≅ Δ BFC  Reason = Angle Angle Side. The triangles are said to be congruent when two angles and a non-included side of one triangle match the corresponding angles and sides of another triangle.

 ≅   Reason = The corresponding parts of congruent triangles are congruent. Also, it is a parallelogram with all congruent sides.

ABCD is a Rhombus Reason = Its sides are all congruent.

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complete question:

Given: ABCD is a parallelogram, FC is congruent to EC, DE bisects BC and BF bisects DC Prove: ABCD is a rhombus

The interquartile range (IQR) is a measure of the spread or variability of the middle 50 percent of the data.

The interquartile range (IQR) is a statistical measure that describes the spread or dispersion of the middle 50 percent of the data. It is calculated as the difference between the third quartile (Q3) and the first quartile (Q1) of a dataset.

The quartiles divide a dataset into four equal parts, each representing 25 percent of the data. The first quartile (Q1) represents the lower boundary of the middle 50 percent, while the third quartile (Q3) represents the upper boundary of the middle 50 percent. The IQR captures the range of values within this middle range.

By focusing on the middle 50 percent of the data and excluding the extreme values, the interquartile range provides a measure of variability that is less affected by outliers or extreme values. It is commonly used in descriptive statistics and data analysis to understand the spread and distribution of a dataset, particularly when the data is not symmetrically distributed or contains outliers.

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Let the number be x. So,

2x + 6 = 14

=> 2x = 14 - 6

=> 2x = 8

=> x = 8/2

=> x = 4

So, the number is 4.

Answer:

Solution

here,given,

2x+6=14(let the unknown number be x)

or,2x=14-6

or,2x=8

or,x=8÷2

or,x=4

We know that,

x=4

So,2x=2×4

=8

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Answer:

33 I guess I don't really know

Answer: ok expensive

Step-by-step explanation:

Answer:

`The answer is below

Step-by-step explanation:

P and q are points on the line y=2-4X. complete the coordinates of P and Q, P(0, ) Q( ,0)

Draw the line y= 2-4X for vales of x from -2 to 2

Solution:

The equation of a line is given by:

y = mx + b

Where y and x are variables, m is the slope of the line and b is the y intercept (that is value of y when x = 0).

The line of y = 2 - 4x is drawn by finding the corresponding values of y for x from -2 to 2 and plotting on a graph.

x:   -2      -1       0        1        2

y:   10      6       2       -2       -6

The value P(0, ) Q( ,0)

The y coordinate of point P is gotten by substituting x = 0:

y = 2 - 4(0) = 2

P = (0, 2)

The x coordinate of point Q is gotten by substituting y = 0:

0 = 2 - 4x

4x = 2

x = 0.5

Q = (0.5, 0)

To use the comparison test or limit comparison test, we need to find a known series that either diverges or converges and is similar to the given series.

Using the comparison test, we can compare the given series to the series 1/n^2, which is a p-series with p=2 and converges.

To see if our series is smaller or larger than 1/n^2, we can simplify the given series by canceling out k^4 from the numerator and denominator:

k^4 / (16k^6 5) = 1 / (16k^2 5)

Now, we can compare 1 / (16k^2 5) to 1/n^2:

1 / (16k^2 5) < 1/n^2 for all k > 1

Therefore, since our series is smaller than a convergent series, it must also converge.

Alternatively, we can use the limit comparison test by finding the limit of the ratio of the given series to 1/n^2 as n approaches infinity:

lim (n→∞) [k^4/(16k^6 5) / (1/n^2)] = lim (n→∞) (n^2 / (16k^6 5))

This limit is zero for all k > 1, which means the given series and the series 1/n^2 have the same behavior and both converge.

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The linearized equation for the non-linear equation z = x² + 4xy + 6xy² in the region defined by 8 ≤ x ≤ 10, 2 ≤ y ≤ 4 is given by :

z ≈ 244 + 20(x - 8) + 128(y - 2).

When using the linearized equation to calculate the value of z at x = 8, y = 2, the error is 0.

1.1. To linearize the equation in the given region, we need to find the partial derivatives of z with respect to x and y:

∂z/∂x = 2x + 4y

∂z/∂y = 4x + 6xy

At the point (x₀, y₀) = (8, 2), we substitute these values:

∂z/∂x = 2(8) + 4(2) = 16 + 8 = 24

∂z/∂y = 4(8) + 6(8)(2) = 32 + 96 = 128

The linearized equation is given by:

z ≈ z₀ + ∂z/∂x * (x - x₀) + ∂z/∂y * (y - y₀)

Substituting the values, we get:

z ≈ z₀ + 24 * (x - 8) + 128 * (y - 2)

1.2. To find the error when using the linearized equation to calculate the value of z at x = 8, y = 2, we substitute these values:

z ≈ z₀ + 24 * (8 - 8) + 128 * (2 - 2)

= z₀

Therefore, the linearized equation gives the exact value of z at x = 8, y = 2, and the error is 0.

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The sum that the ower receives for the bus is  $1930750

We know that a bus owner sold a bus for $1950000

We know that the bus owner needs to pay a comission of 0.5% for the first $1000000 and 1.5% for the rest, using these percentages we can see that he needs to pay

$1000000*(0.5%/100%) + $950000*(1.5/100%) = $5000 + $14250

Then the amount that the owner receives is:

$1950000 - $5000 - $14250  = $1930750

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Step 1

Simplify the expression.

Step 2

Find a trigonometric identity that can be used to simplify the expression in step 1

Step 3

Get the final answer after substitution.

Hence the right answer is option B

Answer:

Final price of house = $145,000 (Approx.)

Step-by-step explanation:

Given:

Rate of commission = 3%

Amount of commission = $4,350

Find:

Final price of house

Computation:

Final price of house = Amount of commission / Rate of commission

Final price of house = 4,350 / 3%

Final price of house = 4,350 / 0.03

Final price of house = 145,000

Final price of house = $145,000 (Approx.)

Answer:

C. A. 2.13 IN I HOPE ITS CORRECT

The values of x in the triangles are x = 17 and x = 52

Triangle 1

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

The triangle

Using the law of cosines to solve for x, we have

x^2 = 7^2 + (8√2)^2 - 2 * 7 * (8√2) * cos(135 degrees)

Evaluate the like terms and multiply

x^2 = 289

Take the square roots

x = 17

Triangle 2

Here, we have"

Using the law of cosines to solve for x, we have

x^2 = 28^2 + 32^2 - 2 * 28 * 32 * cos(120 degrees)

Evaluate the like terms and multiply

x^2 = 2704

Take the square roots

x = 52

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Answer:

\(\frac{88}{12}\)

8 Cartons

Step-by-step explanation:

\(\frac{88}{12}\) = 7\(\frac{1}{3}\)  You cannot have 1/3 of a carton, so you will need 8 cartons.

The calculated value of the volume of the prism is 120 cubic cm

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

The triangular based prism

By formula, we have the volume of the prism to be

Volume = base area  * Height

using the above as a guide, we have the following:

Base area = 1/2 * 4 * 5 = 10

Height = 12

substitute the known values in the above equation, so, we have the following representation

Volume = 10 * 12

Evaluate

Volume = 120

Hence, the volume of the prism is 120 cubic cm

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Answer:

7 / 1/3

Step-by-step explanation: