radius of a circle that has a circumference of 340cm

There are 40,320 ways to place 8 distinguishable rooks on an 8 × 8 chessboard so that none can capture any other.

In order to place 8 distinguishable rooks on an 8 × 8 chessboard so that none can capture any other, we need to place one rook in each row and each column exactly once.

The first row can be filled in 8 ways, as there are 8 columns to choose from. The second row can be filled in 7 ways, as we cannot choose the column that has already been filled in the first row. Continuing in this way, we see that the number of ways to place 8 distinguishable rooks on an 8 × 8 chessboard is:

8! = 40,320

Therefore, there are 40,320 ways to place 8 distinguishable rooks on an 8 × 8 chessboard so that none can capture any other.

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Answer:

To solve the equation 8x = -10y for the slope and y-intercept, we need to first rearrange it into the slope-intercept form, which is y = mx + b, where m is the slope and b is the y-intercept.

To do this, we can divide both sides of the equation by -10, which gives us:

y = (-8/10)x

Simplifying further, we get:

y = (-4/5)x

Therefore, the slope of the line represented by this equation is -4/5. This means that for every increase of 1 in x, y decreases by 4/5.

To find the y-intercept, we can set x to 0 and solve for y:

y = (-4/5)(0)

y = 0

Thus, the y-intercept is 0.

In summary, the slope of the line represented by 8x = -10y is -4/5 and its y-intercept is 0.

Step-by-step explanation:

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Answer: x=5y/4

Step-by-step explanation:

8x=10y

Divide both sides by 8

8x/8 = 10y/8

8x divided by 8, will cancel out resulting in x.

So, your final answer will be x=5y/4

Answer:

Step-by-step explanation:

Answer: 420 in ³

Step-by-step explanation:

The Formula for finding the volume of a prism = Length x Breadth x Height

Volume of prism = 7 x 5 x 12

                            = 420 in³

Answer:179 cm3

there you go :)

Step-by-step explanation:

It is TRUE that If you want to calculate the total magnification, take the power of the objective (4X, 10X, 40x) and multiply by the power of the eyepiece, usually 10X.

If you want to get the total magnification of a microscope, you need to multiply the magnification of the objective lens by the magnification of the eyepiece lens. The objective lens typically has a magnification of 4X, 10X, or 40X, and the eyepiece lens usually has a magnification of 10X. So, for example, if you are using a 10X objective lens and a 10X eyepiece lens, the total magnification would be 10 × 10 = 100X.

On the other hand, these numbers may be the total magnification for a lower powered stereomicroscope. 10X and 40X are achievable with 10X eyepieces and 1X or 4X objective lenses. Or it can be a zoom stereomicroscope with zoom set to 1X and 4X and 10X eyepieces. To get a total of 4X, you can use the 0.8X zoom setting (which is common) plus the 5X eyepiece. Or you can use the 0.5x auxiliary lens, 0.8x zoom and 10x eyepieces.

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Complete Question:

True, or False

To get the total magnification take the power of the objective (4X, 10X, 40x) and multiply by the power of the eyepiece, usually 10X.

The cost of 12 custom-made T-shirts with 12 words in the design is 149.88 dollars.

The cost for 12 custom-made T-shirts can be represented by the simplified expression 0.75n + 119.88, where n is the number of words in the design. For example, if the design has 12 words, the cost of the 12 T-shirts is 0.75*12 + 119.88 = 149.88 dollars. This expression means that for each T-shirt, there is an additional cost of 0.75 dollars for each word in the design, plus a flat fee of 9.99 dollars per T-shirt. This can be interpreted as the cost of each T-shirt increases with the complexity of the design.

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The variable that 360 represents in this context is the sample size or the number of credit card holders in the sample.

The fact that the average late fee was calculated based on the data from 360 credit card holders implies that a sample of 360 credit card holders was selected from a larger population of credit card holders, and the average late fee was calculated from this sample.

The sample size is an important variable in statistics because it affects the accuracy and precision of the estimates we make based on the sample data. In general, larger samples tend to provide more reliable estimates of population parameters, such as the population mean or the population standard deviation.

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When x + 2 is plugged into the number machine, the output y is 5x + 7.

The number machine can be expressed mathematically as z = 5w - 3, where w is an input value and z is the output value. In this case, the input value is x + 2 and the output value is y.

To calculate y in terms of x, we can substitute x + 2 for w in the equation:

z = 5(x + 2) - 3

y = 5x + 10 - 3

y = 5x + 7

Therefore, when x + 2 is plugged into the number machine, the output y is 5x + 7.

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Hence, x = 4 is the only integer answer to the inequality as  the range of possible values for x is from 4 to 5.

A mathematical statement showing a connection that exists between values or statements that aren't always equal is known as an inequality. Inequalities compare two quantities using symbols like (less than), > (greater than), (less than or equal to), and (greater than or equal to). For instance, "y -3" denotes that the y value is more than or equal to -3, whereas "x 5" denotes that the x value is less than 5. A number line can be used to depict all the possible numbers that satisfy an inequality after it has been solved. In many different mathematical fields, including the solution of equations, the study of functions, and the definition of relationships between variables, inequality is used.

given

We can begin by finding the inequality's x:

3 < 3x - 3 ≤ 2x + 2

To add 3 to each of the inequality's three components, we get:

6 < 3x ≤ 2x + 5

When we deduct 2x from each of the inequality's three components, we obtain:

4 < x ≤ 5

Since we are seeking for integer answers, the range of possible values for x is from 4 to 5, with 5 being the exception. Hence, x may be:

x = 4

Hence, x = 4 is the only integer answer to the inequality as  the range of possible values for x is from 4 to 5.

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The null hypothesis of the research is that there is no relationship between gratitude and prosocial attitudes.

A study has been carried out to determine the relationship between gratitude and prosocial attitudes. JASP is used to run a Pearson correlation test between gratitude and prosocial attitudes. The null hypothesis of this study is that there is no correlation between gratitude and prosocial attitudes.

In this investigation, the Pearson correlation is used. This research aims to identify the relationship between gratitude and prosocial attitudes. It can be difficult to determine whether or not there is a correlation between two variables. Pearson's correlation is a statistical method that can be used to examine the correlation between two variables.

This research is carried out with the hypothesis that there is a relationship between gratitude and prosocial attitudes. In this study, the null hypothesis of the research is that there is no relationship between gratitude and prosocial attitudes.

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V = πr^2h

V = π7^2•18
V = π49•18

V = 2770.88472

= 2770.88472 • 0.004

= 11.083538

Thus, the container holds 11.08 gallons of juice.

A circle is a curve sketched out by a point moving in a plane. The measure of the angle is 72°.

A circle is a curve sketched out by a point moving in a plane so that its distance from a given point is constant; alternatively, it is the shape formed by all points in a plane that are at a set distance from a given point, the center.

Let the angle that turns through 1/5 of the circle be x.

We know that the measure of the center of a circle is 360°, while it is given that the angle turns through 1/5 of the circle. Therefore, the angle will turn 1/5 of 360°.

x = 1/5 of 360 = 72°

Thus, the measure of the angle is 72°.

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After answering the provided question, we can conclude that Therefore, cuboid the cost of the gymnastic block is $225.

A cuboid is a solid or three-dimensional shape in geometry. A cuboid is a convex polyhedron with 8 coordinates, 12 sides, but rather 6 rectangular faces. A cuboid is another name for it. A box is a cuboid because it has six square faces. Objects unearthed in boxes include bricks and books. The following are the primary distinctions between cubic and cubic: In contrast to a cube's rectangular faces, the faces of a capsule are perfectly straight and equal in size. But even though the structures of both the cube and cuboid are similar, they differ significantly in terms of side length, horizontal, and area.

the volume of the block is:

Volume = length x width x height

Volume = 2 ft x 3 ft x 1.5 ft

Volume = 9 cubic feet

Now, to find the cost of the block, we can multiply its volume by the cost of foam per cubic foot:

Cost of block = Volume x Cost per cubic foot

Cost of block = 9 cubic feet x $24.99 per cubic foot

Cost of block = $224.91

Therefore, the cost of the gymnastic block is $225.

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[tex]x=95.04\div0.0132[/tex]

[tex]95.04\div0.0132=7,200[/tex]

[tex]\bold{x=7,200}[/tex]

Answer:

7200

Step-by-step explanation:

Use the numbers given divide, move the decimal place to the right of 0.0132 until you get 132.

Then divide 95.04 over 132

When 95.04/132=0.72

Then move the decimal four times because 0.0132 to 132 takes times 10000

So 0.72 move the decimal four times or times 10000 you will get 7200

Final answer 7200

Hence, there is a 28.22 degree depression from the owl to the mouse as the inverse tangent of the two sides.

An angle is a geometric shape made up of two rays or lines that share a termination known as the vertex. A whole circle has 360 degrees, which is how angles are typically measured. Angles can be acute (less than 90 degrees), right (exactly 90 degrees), obtuse (more than 90 degrees but less than 180 degrees), straight (exactly 180 degrees), reflex, or compound (any combination of these) (greater than 180 degrees but less than 360 degrees). Calculus, geometry, trigonometry, and other branches of mathematics all make use of angles.

given

To resolve this issue, we can make use of the tangent function. Let x be the depression angle between the owl and the mouse. Next, we have:

Tangent(x) = adjacent/opposite

where the distance between the owl and the mouse is on the adjacent side and the opposite side is the height of the owl above the field (42 m) (78 m).

Tangent(x) equals 42/78

When we take the inverse tangent of the two sides, we obtain:

x = (42/78) arctan

Calculating the answer, we discover:

28.22 degrees x

Hence, there is a 28.22 degree depression from the owl to the mouse as the inverse tangent of the two sides.

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Therefore, the slope of the line passing through the given points is -1/2.

In mathematics, the slope is a measure of the steepness of a line. It refers to the ratio of the vertical change to the horizontal change between any two points on the line. The slope of a line is often denoted by the letter "m."

For a given line, the slope is calculated by taking any two points on the line, [tex](y_{1} ,y_{2}[/tex] and [tex](x_{1} ,x_{2}[/tex] and applying the formula:

slope [tex]m= (y_{2} -y_{1})/(x_{2}-x_{1})[/tex]

The slope can be positive, negative, zero, or undefined, depending on the direction and steepness of the line. A positive slope means that the line is increasing as you move from left to right, while a negative slope means that the line is decreasing. A zero slope means that the line is horizontal, and an undefined slope means that the line is vertical.

by the question.

To find the slope of the line passing through the given points, we can use the slope formula:

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

Let's choose the first point (-8, -21) and the last point (10, -30) to calculate the slope:

change in y = -30 - (-21) = -9

change in x = 10 - (-8) = 18

slope = (-9)/18 = -1/2

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Answer:

The Summer Blue Uniform.

Step-by-step explanation:

NJROTC contains many different policies and guidelines for cadets.

If the diagonals of a parallelogram PQRS intersect at z, then the correct statements are:

A. QZ ≅ SZ

D. ∠QRP ≅ ∠SPR

The diagonals of a parallelogram which is a quadrilateral are known to bisect each other. The diagonals of a parallelogram form an angle of 90 degrees with each other.

These diagonals are formed from congruent angles and can also separate into congruent angles. So, for the parallelogram above whose sides intersect at z, we can conclude that QZ is approximately equal to SZ  and angle QRP is approximately equal to angle SPR.

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Answer:

the correct answer is the second one

Step-by-step explanation:

I will add a photo of my solution, because there's a lot to type here

Answer:

B

Step-by-step explanation:

-240 +65 = -175

(We use a -240 instead of 240 because it's below water.) :)

On solving and factorizing the equation;

1). 2(3x+2y)

2.) 2(5x+4y)

3.) 3(2x+3y)

Factorization is the process of expressing a number or an algebraic expression as a product of its factors, which are numbers or expressions that multiply together to give the original number or expression. In other words, factorization involves breaking down a larger number or expression into smaller factors.

2(4x+3y)-2x-2y

Solving the expression

8x+6y-2x-2y

6x+4y

Factorizing the expression , we get

2(3x+2y)

2(4x+3y)+2(x+y)

Solving the expression

8x+6y+2x+2y

10x+8y

Factorizing the expression , we get

2(5x+4y)

2(4x+4y)-2x+y

Solving the expression

8x+8y-2x+y

6x+9y

Factorizing the expression , we get

3(2x+3y)

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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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In a one-sided hypothesis test for the mean for a random sample of size 20, the t-score of the sample mean is 2.615 in the direction of the alternative. This significant at the 5% level and not significant at 1% level.

In hypothesis testing, the t-score measures how many standard errors the sample mean is from the hypothesized population mean. The formula for calculating the t-score is:

t = (sample mean - hypothesized population mean) / (standard error of the mean)

In this case, we are given that the t-score is 2.615 and that it is in the direction of the alternative hypothesis (which means the sample mean is greater than the hypothesized population mean). We can use a t-table or a statistical software to find the p-value associated with this t-score.

Assuming a two-tailed test (since we don't know if the alternative hypothesis is greater than or less than the null hypothesis), the p-value is the probability of getting a t-score greater than or equal to 2.615 or less than or equal to -2.615 (the negative value since it's a two-tailed test).

Using a t-table with 19 degrees of freedom (since the sample size is 20 and we are estimating one parameter), we find that the p-value is approximately 0.014 for a one-tailed test in the direction of the alternative.

To determine if the result is significant at the 5% level or 1% level, we compare the p-value to the significance level (alpha). If the p-value is less than alpha, we reject the null hypothesis and conclude that the result is statistically significant.

For a one-tailed test at the 5% level, alpha = 0.05. Since the p-value (0.014) is less than alpha, we reject the null hypothesis and conclude that the result is significant at the 5% level.

For a one-tailed test at the 1% level, alpha = 0.01. Since the p-value (0.014) is greater than alpha, we fail to reject the null hypothesis and conclude that the result is not significant at the 1% level.

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Answer:

354?

Step-by-step explanation:

Thats my guess around 354 6th graders are there in my school

In linear equation, 12 is the constant of proportionality that relates number of chairs, y, to the number of tables, x.

What in mathematics is a linear equation?

An algebraic equation with simply a constant and a first-order (linear) component, such as y=mx+b, where m is the slope and b is the y-intercept, is known as a linear equation. Sometimes, the aforementioned is referred to as a "linear equation of two variables," where x and y are the variables.

Number of tables, x = 3  

number of chairs , y = 36   = 36/3  = 12

Row 2 says the same thing = 72/6 = 12

Row 2 says the same thing = 108/9 = 12

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Answer: B. -1.4

Step-by-step explanation:

 To find the residual, we need to first calculate the predicted height of the son using the given regression equation:

ŷ = -2.8 + 1.1x

where x is the height of the father. For the given father who is 72 inches tall, we have:

ŷ = -2.8 + 1.1(72) = 75.6

So the predicted height of the son is 75.6 inches.

The residual is then calculated by subtracting the predicted height from the actual height of the son:

residual = actual height - predicted height

= 75 - 75.6

= -0.6

Therefore, the residual for the son's height is -0.6, which is closest to answer B after rounding to one decimal place.

The required probability of randomly selected person to be a man or a heavy smoker is given by 0.5525.

Total number of people is equals to 1124

Total number of men is equals to 531

Total number of heavy smoker is equals to 90

Man and Heavy smoker are mutually exclusive events.

Let 'M' represents man

And 'H' represents heavy smoker

Probability of randomly selected person is a man or a heavy smoker

= P( M ∪ H )

= Probability of a man  + Probability of a heavy smoker

= P( M ) + P (H)

= ( 531 / 1124 ) + ( 90 / 1124 )

= ( 621 / 1124 )

= 0.5525

Therefore, the probability of a person to be a man or a heavy smoker is equals to 0.5525.

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The above question is incomplete, the complete question is:

If one of the 1124 people is randomly selected, find the probability that the person is a man or heavy smoker.

table is attached.