Why are absorbance measurements of 0. 05 and 2. 5 considered inaccurate?.

According to the standard deviation, the company should offer a warranty period that covers at least 65,895 miles to ensure that 96% of the tires sold will outlast the warranty.

To do this, we use a z-score table, which gives the probability of getting a z-score less than or equal to a given value. The z-score is a measure of how many standard deviations a data point is from the mean.

To find the z-score for the top 4% of the tires, we first subtract 96% from 100% to get 4%. Then we divide this by 2 to get 2%, as we are interested in the area under the normal distribution curve in the right tail. Using the z-score table, we find that the z-score corresponding to a 2% area under the curve is approximately 2.05.

Next, we use the formula for converting a z-score to a data value:

z = (x - μ) / σ

where z is the z-score, x is the data value, μ is the mean, and σ is the standard deviation. Solving for x, we get:

x = z x σ + μ

Plugging in the values, we get:

x = 2.05 x 2700 + 60000

x ≈ 65,895

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Answer: x > -7

Step-by-step explanation:

so first, we move the constant to the right.

-3x < 15 + 6

the, we calculate that.

-3x < 21

then, we divide both sides.

solution: x > -7

The scale factor (SF) = 7/4 or 1.75

Dilation is a transformation that alters a figure's size in geometry. It is a kind of similarity transformation in which the size of the figure changes but its shape stays the same. A scale factor is a numerical representation of the image's size in relation to the source figure's size.

By dividing one side of the image by the length of the corresponding side of the original figure, the scale factor is determined. The scale factor is "k" if the length of one side of the image is "k" times the length of the corresponding side of the original figure.

Correct answer of scale factor is 7:4 which is correct answer.

Ratio = side length black triangle/side length blue triangle = 7/4

The simplified ratio is the scale factor (SF),

scale factor (SF) = 7/4 = 1.75

The scale factor is 1.75

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The actual weight is 0.0042 pounds lighter than the labeled weight.

The actual weight of the chocolates is 0.3798 pounds, while the label on the bag states it should weigh 0.384 pounds. To determine how much lighter the actual weight is, we can calculate the difference between the two weights.

Subtracting the actual weight from the labeled weight, we get:

0.384 pounds - 0.3798 pounds = 0.0042 pounds.

Therefore, the actual weight is 0.0042 pounds lighter than the labeled weight.

It's important to note that this difference may seem small, but it can be significant depending on the context. Accuracy in labeling is crucial for various reasons, such as complying with regulations, providing precise information to consumers, and ensuring fair trade practices. Even minor discrepancies can impact trust and customer satisfaction.

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Answer:

the secound one

Step-by-step explanation:

Answer:

T=518.4

Step-by-step explanation: trust me

3

4 .

5

6

=

1

5

3

4

.

5

6

3

4

.

5

6

=

3

4

.

5

6

⋅

1

5

Simplify

Cancel multiplied terms that are in the denominator

Multiply the numbers

=

5

1

8

.

4

Answer:

You do length times width to find the area.

Step-by-step explanation:

7x14=98

Answer:

80%

Step-by-step explanation:

Total boxes of apples delivered = 90

Total boxes sold = 72

What percentage of the delivered apples have been sold?

Percentage sold = Total boxes sold / total boxes delivered × 100

= 72 / 90 × 100

= 0.8 × 100

= 80%

The percentage of the delivered apples have been sold is 80%

Percentage unsold = (total boxes delivered - total boxes sold) / total boxes delivered × 100

= (90 - 72) / 90 × 100

= 18 / 90 × 100

= 0.2 × 100

= 20%

The percentage of the delivered apples have been sold is 80% and this can be determined by using the unitary method.

Given :

A grocer reports that the store has sold 72 of the 90 boxes of apples delivered this week.

The following steps can be used in order to determine the percentage of the delivered apples that have been sold:

Step 1 - The unitary method can be used in order to determine the percentage of the delivered apples that have been sold.

Step 2 - According to the given data, 90 boxes are 100% boxes of apples.

Step 3 - Now, let the percentage of the delivered apples that have been sold be 'x'. So, the value of 'x' is:

\(x = \dfrac{72}{90}\times 100\)

Step 4 - Simplify the above expression.

\(x = 80\%\)

Therefore, the percentage of the delivered apples have been sold is 80%.

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Answer:

21 ft²

Step-by-step explanation:

3*5 + 2*3 = 21

Answer:

It appears that the solution you have provided is not a direct answer to the question "What is e=?". However, the statement you provided is a well-known concept in physics, where Einstein's famous equation E=mc² suggests that energy (E) and mass (m) are equivalent and interchangeable, and that they are two different manifestations of the same thing. The constant "c" in the equation represents the speed of light in a vacuum. This concept has had profound implications in the field of physics and has been used to develop nuclear energy and nuclear weapons.

Step-by-step explanation:

Here's a step-by-step explanation of Einstein's famous equation, E=mc²:

The equation E=mc² stands for "energy equals mass times the speed of light squared".

In physics, "energy" refers to the ability of a system to do work, and it is measured in joules (J).

"Mass" refers to the amount of matter in an object and is usually measured in kilograms (kg).

"c" represents the speed of light in a vacuum, which is approximately 299,792,458 meters per second (m/s).

The equation shows that energy and mass are equivalent and interchangeable. In other words, mass can be converted into energy, and energy can be converted into mass.

The conversion factor between mass and energy is the speed of light squared, which is an enormous number. This means that even a small amount of mass can produce a significant amount of energy when it is converted.

The equation has been used to explain a variety of phenomena, such as the energy released in nuclear reactions and the behavior of particles at high speeds.

It has also led to the development of nuclear energy and nuclear weapons, which rely on the conversion of mass into energy.

Overall, E=mc² is a fundamental equation in physics that has had a profound impact on our understanding of the universe and our ability to harness its energy.

Answer:

Step-by-step explanation:

Given linear equation:

Meaning of each term is:

According to above details the correct answer choise is B

Answer:

b

Step-by-step explanation:

bc i did the schoolnet thingy

The average weekly work hours for freshmen at public and private universities were compared using two independent random samples. The p-value for the null hypothesis of equal average work hours was determined using a two-tailed test.

The problem provides data on the average weekly work hours for freshmen at public and private universities, along with the respective standard deviations. Two independent random samples, each consisting of 900 students, were taken. The goal is to test the null hypothesis that the average number of weekly work hours is the same for both groups. To determine the p-value, a two-tailed test is performed. By comparing the averages and standard deviations, the test statistic can be calculated, and the p-value can be determined based on its distribution.

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Answer:

Astronomers were trying to find the weight of six planets - Mars, Venus, Pluto, Jupiter, Mercury, and Saturn. The number of planets lighter than Mars was equal to the number of planets heavier than Venus. Saturn was heavier than Mars and Mercury were heavier than Pluto. Venus was lighter than Mars. Saturn was not the heaviest planet.

Step-by-step explanation:

Answer:

a) AE and CD

b) AE and ED

c) AED and CDE

Answer: 1246 for the first and 1400 for the second

Step-by-step explanation:

In a multiple regression model, the variance of the error term e is assumed to be the same for all values of the independent variable. Therefore, the correct option is C) the same for all values of the independent variable.

In multiple regression, we use several independent variables to predict the values of the dependent variable. The model estimates the relationship between the independent variables and the dependent variable by calculating the coefficients of the independent variables.

The error term e represents the difference between the predicted value of the dependent variable and the actual value of the dependent variable.

The assumption of constant variance of the error term e is known as homoscedasticity. It means that the variance of the errors is the same for all levels of the independent variables.

This assumption is important because, if the errors have different variances across the levels of the independent variable, the model may not accurately capture the relationship between the independent variables and the dependent variable, leading to biased and unreliable results. so, the correct answer is C).

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Answer:

Im pretty sure its

5  18  36

6  15  30

Sorry if I'm wrong

Step-by-step explanation:

The cost recovery deduction for the current year is $985

So, the correct option C.$985

Cost recovery deduction is the tax deduction that a taxpayer can take for recovering the cost of a business asset. In other words, the cost recovery deduction allows a taxpayer to recover the cost of a business asset gradually over the asset’s useful life through tax deductions. Cost recovery deductions can be calculated using one of the following methods:

Here, we are using the straight-line method because it was mentioned in the problem that Michelle opts to use the straight-line option under MACRS. Therefore, to calculate the cost recovery deduction, we will use the formula:

Cost recovery deduction = Cost of property x Depreciation percentage

In this problem:

Cost of the property (Truck) = $9,200 + $650 (sales tax) = $9,850

Depreciation percentage = 1/5 (because it's a five-year property) = 0.2

Therefore, substituting the values in the formula, we get:

Cost recovery deduction = $9,850 x 0.2 = $1,970

But since the asset was placed in service in the current year, we have to use the half-year convention, which means that only half of the full-year depreciation amount is allowed in the first year of service.

Thus, the cost recovery deduction for the current year is:

$1,970 / 2 = $985

Therefore, the correct answer is option C: $985.

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Answer:

(–8, 1), (8, –8)

Step-by-step explanation:

Answer:

(-8, 1), (8, -8) has a negative slope

Step-by-step explanation:

1). y2 - y1 / x2 - x1

7 - 9 / 5 - 6

= 2

2). y2 - y1 / x2 - x1

6 - (-2) / 3 - (-9)

= 2/3

3). y2 - y1 / x2 - x1

-8 - 1 / 8 - (-8)

-9/16

4). y2 - y1 / x2 - x1

-9 - (-8) / -1 - 2

= 1/3

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!

Answer:

9 ÷ 7 + d.

Step-by-step explanation:

Last option: The height and weight distributions, respectively, show positive and negative skews.

We know that,

Graphs are used to represent information in bar charts. To depict values, it makes use of bars that reach various heights. Vertical bars, horizontal bars, clustered bars (multiple bars that compare values within a category), and stacked bars are all possible options for bar charts.

we have,

There isn't a lot of data, but it shows that the weights have a negative skew and the heights have a positive skew, with the long tails pointing in opposite directions.

change/ starting point * 100

2.5 millions of books were sold in 1991.

Millions of books sold in 1992 equaled 3.4.

Change = 0.9 (in millions).

0.9/2.5 * 100

= 36%

The height and weight distributions, respectively, show positive and negative skews.

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The coordinates of point A are given as follows:

A(19, 23).

The coordinates of point A are obtained applying the proportions in the context of this problem.

The segment AB is represented as follows:

AB = B - A.

Hence the segment 5AB is given as follows:

5AB = 5(B - A) = 5B - 5A.

Then the x-coordinate of A is obtained as follows:

5(16) - 5A = -15

5A = 95

A = 19.

The y-coordinate of A is obtained as follows:

5(30) - 5A = 35

5A = 115

A = 23.

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Based on the given confidence interval, the null hypotheses (c) and (d) can be rejected at the 5% significance level.

To determine which null hypothesis can be rejected at the 5% significance level, we need to compare it with the confidence interval.

The 99% confidence interval (9, 15) means that we are 99% confident that the true population mean falls between 9 and 15.

At the 5% significance level, we reject a null hypothesis when the hypothesized value falls outside the confidence interval.

Let's analyze each option:

(a) The population mean is less than or equal to 15.

Since the upper bound of the confidence interval is 15, this null hypothesis cannot be rejected.

(b) The population mean is greater than or equal to 9.

Since the lower bound of the confidence interval is 9, this null hypothesis cannot be rejected.

(c) The population mean is greater than or equal to 15.

Since the lower bound of the confidence interval is 9, which is less than 15, this null hypothesis can be rejected.

(d) The population mean is 12.

Since the null hypothesis specifies a specific value (12), and the confidence interval (9, 15) does not include 12, this null hypothesis can be rejected.

Based on the given confidence interval, the null hypotheses (c) and (d) can be rejected at the 5% significance level.

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There are 5 choices left), and 5 ways to choose the remaining element of Y. This gives us a total of 7 × 5 × 5 = 175 ordered pairs (X,Y).

Let's first consider the possible values of |X ∪ Y|.

If |X ∪ Y| = 1, it means that X and Y have no elements in common, and each set has only one element. There are 7 such sets: {1},{2},{3},{4},{5},{6},{7}.

If |X ∪ Y| = 2, it means that X and Y have one element in common. There are 7 ways to choose the common element, and 6 ways to choose the remaining element of X (it cannot be the same as the common element, so there are only 6 choices left), and 6 ways to choose the remaining element of Y (again, it cannot be the same as the common element or the element of X, so there are only 6 choices left). This gives us a total of 7 × 6 × 6 = 252 ordered pairs (X,Y).

If |X ∪ Y| = 3, it means that X and Y have two elements in common. There are 7 ways to choose the common elements, and 5 ways to choose the remaining element of X (it cannot be any of the common elements, so there are 5 choices left), and 5 ways to choose the remaining element of Y. This gives us a total of 7 × 5 × 5 = 175 ordered pairs (X,Y).

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(a) The statement "if u, v, and w are all vectors in\(R^3\), the calculation u · v · w results in a vector" is false. (b) The statement is true. The volume of the parallelepiped is equal to the magnitude of the cross product of the vectors ∥u × v × w∥. (c) The statement is false. There is indeed a vector v for which ⟨1, -2, 1⟩ × v exists.

(a) The statement "if u, v, and w are all vectors in \(R^3\), the calculation u · v · w results in a vector" is false.

The dot product of two vectors u and v, denoted by u · v, results in a scalar value, not a vector. The dot product is defined as the product of the magnitudes of the vectors and the cosine of the angle between them. Therefore, the dot product of u · v is a scalar quantity.

When we take the dot product of three vectors, as mentioned in the statement u · v · w, we cannot obtain a vector result. The dot product operation between vectors always yields a scalar value.

(b) The statement "if u, v, and w are all vectors in R^3, then the volume of the parallelepiped generated by these three vectors is ∥u × v × w∥" is true.

The volume of a parallelepiped generated by three vectors u, v, and w can be calculated using the scalar triple product, which is the absolute value of the dot product between the cross product of the vectors and one of the original vectors.

Mathematically, the volume V of the parallelepiped is given by:

V = |u · (v × w)| = |u × v × w|

Therefore, the statement is true. The volume of the parallelepiped is equal to the magnitude of the cross product of the vectors ∥u × v × w∥.

(c) The statement "there is no vector v where ⟨1, −2, 1⟩ × v" is false.

The cross product is defined for two vectors in R^3 and results in another vector orthogonal to both of the original vectors. In this case, the cross product of ⟨1, -2, 1⟩ and v would yield a vector that is orthogonal to both ⟨1, -2, 1⟩ and v.

Since the cross product can be calculated for any two vectors in R^3, there is always a vector v for which ⟨1, -2, 1⟩ × v exists.

Therefore, the statement is false. There is indeed a vector v for which ⟨1, -2, 1⟩ × v exists.

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Answer:

180$

Step-by-step explanation:

First you have to find out how many pencils the company bought each year which is 6000 since they bought 500 dozens and 75% of 500 is 375 and 20% of 0.40 is 0.08 so the cost for each dozen pencils would be 180$ (Sorry if this is wrong I'm 80% sure)

Answer:

16 is definitely a

17 is c

Step-by-step explanation:

an app that I use that helps a lot is desmos u should try it out

hope this helps :)

can i get brainliest?

Answer: Line Segment.

Step-by-step explanation:

In geometry, a line segment is a part of a line that is bounded by two distinct end points, and contains every point on the line between its endpoints. A closed line segment includes both endpoints, while an open line segment excludes both endpoints; a half-open line segment includes exactly one of the endpoints. In geometry, a line segment is often denoted using a line above the symbols for the two endpoints (such as ĀB).

Answer:

there are 5

Step-by-step explanation: