What is the smallest alpha you can reject the nullhypothesis under when you have a p-value of 0.054?a.) 0.05b.) 0.055c.) 0.06d.) 0.056

Answer:

y = 3x + 15

Step-by-step explanation:

The slope-intercept form is y = mx + b

m = the slope

b = y-intercept

Slope = rise/run or (y2 - y1) / (x2 - x1)

Points (-3,6) (-2,9)

We see the y increase by 3 and the x increase by 1, so the slope is

m = 3

Y-intercept is located at (0,15)

So, the equation is y = 3x + 15

The volume using the dimensions 13m 5m and 9m​ is 585 cubic meters

Volume is calculated using the three dimensions, hence to talk about volume we have a 3 dimensional perspective.

The formula for volume is given as the product of length, width, and depth or thickness.

this is represented mathematically as

length x width x depth

Information from the problem have it that

length = 13 m

width = 5m

depth = 9m

plugging in the values results to

= 13 * 9 * 5

= 585 cubic meters

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Answer:

-4/-12 or simplified would be 1/3

Step-by-step explanation:

The area of the polygon to the nearest tenth is 471.7 units²

A polygon is any closed curve consisting of a set of line segments (sides) connected such that no two segments cross. Examples of polygon include triangle, quadrilateral, pentagon e.t.c.

The area of a polygon is expressed as;

A = 1/2( asn)

where a is the apothem and s is the side length and n is the number of side.

To calculate the area, we have to know the side length.

side length = apothem × 2tan(180/n)

= 12 × 2 tan(180/9)

= 12 × 2 × 0.364

= 8.736

Therefore area of the polygon

= 1/2 × 12 × 8.736 × 9

= 943.49/2

= 471.7 units² (nearest tenth)

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Does the representation show a quadratic function f(x) = 2x² + 1: B. yes.

In Mathematics and Geometry, a quadratic function can be defined as a mathematical expression that can be used to define and represent the relationship that exists between two or more variable on a graph.

In Mathematics, the standard form of a quadratic function is represented by the following equation;

ax² + bx + c = 0

Where:

By comparison, we have the following:

ax² + bx + c = 2x² + 1

a = 2

b = 0

c = 1

In conclusion, we can logically deduce that f(x) = 2x² + 1 represent a quadratic function.

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The value of x is 3 in a right triangle for the u side angle having equation u = 9x+6.

Angle v = 57

Angle u =9x+6

The right angle triangle follows a rule that the sum of the two acute angles is 90 degrees. That means the angles u + v must be equal to 90 degrees.

v + u = 90

From the given angle equations, we can write

57 + 9x + 6 = 90

9x + 63 = 90

9x = 90-63

9x = 27

x = 27 ÷ 3

x = 3

Therefore we can conclude that the value of x is 3.

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The given triangle with side lengths 3, 4, and 5 is a right triangle which can be proved by applying the Pythagoras theorem.

To prove that the given measures of a triangle are typically the measures of a right triangle, we will use the support from Pythagorean theorem. It states that in a right triangle, the sum of the squares of the base and perpendicular is equal to the square of the hypotenuse of the triangle. Hypotenuse is the side opposite to the perpendicular which is diagonally inclined.

In this case, we will put the values as follows:

3² + 4² = 5²

= 9 + 16 = 25

= 25 = 25

This triangle is a right triangle because the squares of the two shorter sides added together equal the square of the longest side.

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Correct question:

Decide if the triangle is a right triangle. Use pencil and paper. How can you use your results to decide if a triangle with side lengths 3​, 4​, and 5 is a right​ triangle?

We can say with 90% confidence that the true mean concentration of uric acid in the population lies between 4.32 and 6.24 mg/dl.

To find the 90% confidence interval for the population mean concentration of uric acid, we can use the formula:

CI = x' ± z*(σ/√n)

where:

x' = sample mean concentration = 5.28 mg/dl

z = z-score for 90% confidence level = 1.645 (from standard normal distribution table)

σ = population standard deviation = 1.77 mg/dl

n = sample size (number of tests taken) = 13

Substituting the given values into the formula, we get:

CI = 5.28 ± 1.645 x (1.77/√13)

CI = 5.28 ± 0.96

CI = (4.32, 6.24)

Therefore, we can say with 90% confidence that the true mean concentration of uric acid in the population lies between 4.32 and 6.24 mg/dl.

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The speed of sound at the coldest place on Earth. Temperatures on the East Antarctic Plateau can reach -100° C is B. 231 m/s

In this equation, v signifies the pace of sound measured in meters per second, while T represents the temperature expressed in Celsius degrees; and 273.15 denotes the standardized temperature in Kelvin.

When substituting T value as -100°C into our function implies that:

v = 331.3 * ✓(-100)/273.15)

v = 231 m/s

Thus, select option indicating 231 m/s.

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There are 126 ways in which four people can be chosen to stand up out of nine people sitting in chairs.

We have,
The combination formula is:

C(n, r) = n! / (r! (n-r)!)

In this case,

n = 9 (total number of people) and r = 4 (number of people to be chosen to stand up).

Step 1: Calculate n! (9!): 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 = 362,880

Step 2: Calculate r! (4!): 4 x 3 x 2 x 1 = 24

Step 3: Calculate (n-r)! (5!): 5 x 4 x 3 x 2 x 1 = 120

Step 4: Plug these values into the combination formula: C(9, 4) = 362,880 / (24 * 120)

Step 5: Calculate the result: C(9, 4) = 362,880 / 2,880 = 126

Thus,

There are 126 ways in which four people can be chosen to stand up out of nine people sitting in chairs.

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Answer:

  5/8 apple

Step-by-step explanation:

You want to know each person's share if 5 apples are shared equally among 8 people.

A 1/8 share of the 5 apples is ...

  (1/8) × (5 apples) = 5/8 apple

Each person gets 5/8 apple.

__

Additional comment

This can be nicely accommodated by dividing 4 apples in half, and one apple into 8 equal slices. Then each person gets 1/2 + 1/8 = 5/8 of the total number of apples.

Therefore, there are 8820 groups of 9 that contain 5 women and 4 men using combination formula.

To solve part (b)(i), we need to use the combination formula. The number of ways to choose 5 women out of 9 is given by the combination C(9,5), which is:

C(9,5) = 9! / (5! * 4!)

= 126

Similarly, the number of ways to choose 4 men out of 8 is given by the combination C(8,4), which is:

C(8,4) = 8! / (4! * 4!)

= 70

To get the total number of groups of 9 that contain 5 women and 4 men, we need to multiply these two numbers:

126 * 70 = 8820

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You'll obtain the mean square between and the mean square within, which are crucial for further statistical analyses such as the F-test or ANOVA. To calculate the mean square between and the mean square within after finding the between-group sum of squares and the within-group sum of squares, you can follow these steps:

1. Determine the degrees of freedom between groups (df_between):

Subtract 1 from the number of groups.
2. Determine the degrees of freedom within groups (df_within):

Subtract the number of groups from the total number of observations.
3. Calculate the mean square between (MS_between):

Divide the between-group sum of squares by the degrees of freedom between groups (MS_between = between-group sum of squares / df_between).
4. Calculate the mean square within (MS_within):

Divide the within-group sum of squares by the degrees of freedom within groups (MS_within = within-group sum of squares / df_within).

By following these steps, you'll obtain the mean square between and the mean square within, which are crucial for further statistical analyses such as the F-test or ANOVA.

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To write the equation of a line passing through the point (8,4) and parallel to 8x-y=6, we need to first find the slope of the given line. We can rewrite the given line in slope-intercept form y=8x-6, where the slope is 8.

Since the new line is parallel to the given line, it will have the same slope of 8. Now we can use the point-slope form of the equation of a line:

y - y1 = m(x - x1)

where (x1, y1) is the given point and m is the slope.

Substituting in the values, we get:

y - 4 = 8(x - 8)

Expanding and simplifying, we get:

y = 8x - 60

This is the equation of the line in slope-intercept form.

To convert it to standard form, we move all the variables to one side and simplify:

-8x + y = -60

This is the equation of the line in standard form.

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Step-by-step explanation:

four million seven hundred thousand can be written by

4,700,000

The number of mice added to the population each year is approximately 15,721. In this situation, we have a population of mice that is growing exponentially with a growth rate (r) of 2.0 and a current population size (n) of 2,500 individuals.

To calculate the number of mice added to the population each year, we can use the formula for exponential growth:

N = N0e^(rt)

Where:
N0 = initial population size
N = final population size
r = growth rate
t = time

In this case, we know that:
N0 = 2,500
r = 2.0 (since it is given as the growth rate)
t = 1 year (since we want to find the number of mice added each year)

So, we can plug these values into the formula and solve for N:

N = 2,500e^(2.0*1)
N = 2,500e^2
N ≈ 18,221

Therefore, the number of mice added to the population each year is approximately 18,221 - 2,500 = 15,721.

It's important to note that the growth rate is a key factor in determining the rate of population growth. A higher growth rate means that the population will increase at a faster rate, while a lower growth rate means that the population will increase more slowly. In this case, a growth rate of 2.0 is relatively high, which is why the population is growing so quickly. Understanding the growth rate can help us make predictions about how a population will change over time and how it might be impacted by various factors such as disease, predation, or changes in habitat.

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The image that shows 1/6 divided by 3 would have a result of 1/18

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

1/6 divided by 3

The images are not given

However, the expression can be solved

So, we have

1/6 divided by 3

Express as products

1/6 divided by 3 = 1/6 * 1/3

Evaluate the products

1/6 divided by 3 = 1/18

Hence, the result is 1/18

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Answer:

-3,825

Step-by-step explanation:

When two numbers vary directly, they have a proportional relationship. That is to say that there is a constant ratio between them. In this case, we are given the ratio of x to y as:

x : y

1/2 : 150

We can make this a unit ratio by multiplying both sides by 2.

x : y

1 : 300

What this unit ratio tells us is that to find the corresponding y-value for any value of x, we can multiply the x-value by 300:

[tex]-\dfrac{51}{4} \cdot 300 = \boxed{-3,825}[/tex]

It cannot be determined whether the data supports the conclusion that blocking was effective in reducing experimental error at the 95% confidence level. To assess the effectiveness of blocking, it is necessary to examine the specific data and perform appropriate statistical tests, such as Analysis of Variance (ANOVA).

Blocking is a technique used in experimental design to control for extraneous factors that may affect the results. It involves grouping experimental units with similar characteristics and then applying treatments within those groups. This method helps isolate the effect of the treatment and reduce variability in the data.

To determine if there is sufficient evidence to conclude that blocking is effective in this case, one must examine the experimental data and conduct a statistical test, such as ANOVA. This test allows researchers to compare the means of different groups and determine if there are significant differences. If the p-value obtained from the ANOVA test is less than the significance level (typically 0.05 for a 95% confidence level), it can be concluded that blocking was effective in reducing experimental error.

In summary, without access to the specific data and results from statistical tests, it is not possible to confirm whether the blocking method was effective in reducing experimental error at the 95% confidence level.

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AnswerAnswer:1/11

Step-by-step explanation:

We can say that approximately 95% of the total snowfall per year in Laytonville falls between 71 inches (99 - 2*14) and 127 inches (99 + 2*14).

According to the empirical rule, for a normal distribution, approximately 68% of the data falls within 1 standard deviation of the mean, 95% falls within 2 standard deviations, and 99.7% falls within 3 standard deviations.

Using this rule, we can calculate that the upper limit of 1 standard deviation above the mean is:

99 + 14 = 113 inches

And the upper limit of 2 standard deviations above the mean is:

99 + (2*14) = 127 inches



To answer the specific question, the probability that in a randomly selected year, the snowfall was less than 127 inches is approximately 95%. This can be interpreted as saying that in 95 out of 100 years, the total snowfall in Laytonville is less than 127 inches. As a percentage, this is rounded to 95.00%.

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The rectangular coordinates of each point (4, 60°) are (2, 2 * sqrt(3)). To find the rectangular coordinates of a point given in polar coordinates, we use the following formulas:

[tex]x = r cos(theta)[/tex]
[tex]y = r sin(theta)[/tex]

where r is the distance from the origin (also known as the radial coordinate) and theta is the angle between the positive x-axis and the line connecting the point to the origin (also known as the angular coordinate).

For example, let's say we have a point given in polar coordinates as (4, 60°). To find its rectangular coordinates, we plug in the values into the formulas:

x = 4 cos(60°) = 4 * 0.5 = 2
y = 4 sin(60°) = 4 * sqrt(3)/2 = 2 * sqrt(3)

Therefore, the rectangular coordinates of the point (4, 60°) are (2, 2 * sqrt(3)).

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If we know the 4 numbers used but do not know the order, there are 24 possible combinations to use to find the password.

When you have 4 distinct numbers and need to find the order, you are looking to determine the number of possible combinations.
A combination is an arrangement of items in a specific order. In your case, you are trying to find the possible arrangements for the 4 numbers you know, which can be used to unlock the password.
To calculate the number of combinations, you can use the formula for permutations, which is n!/(n-r)!, where n is the total number of items (numbers) and r is the number of items you want to arrange.
In this situation, n = 4 (the 4 numbers you know), and r = 4 (since you want to arrange all of the numbers). Applying the formula, you'll have:
4!/(4-4)!
4! (which is 4 x 3 x 2 x 1) divided by 0! (0! is equal to 1)
4! = 24
So, you have 24 different possible combinations for the order of the 4 numbers. To find the correct password, you would need to try each of these 24 combinations.

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If the midpoint is (-4, 7) then the second end point is (-11, 11).

The formula for calculating the midpoint of coordinates is expressed as:

M(x,y) = {(x₁+x₂/2, y₁+y₂/2}

Given the following coordinate points

M(x, y) = (-4, 7)

(x₁, y₁) = (3, 8)

Substitute into the formula to have:

-4 = x₂+3/2

x₂ + 3 = -8

x₂ = -11

Similarly

7 = y₂+3/2

y₂ + 3 = 14

y₂ = 11

Hence the other end point of if the midpoint is (-4, 7) is (-11, 11)

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A graph of the piecewise function is shown on the coordinate plane in the image attached below.

In Mathematics, a piecewise-defined function can be defined as a type of function that is defined by two (2) or more mathematical expressions over a specific domain.

Generally speaking, the domain of any piecewise-defined function simply refers to the union of all of its sub-domains. By critically observing the graph of the given piecewise-defined function, we can reasonably infer and logically deduce that it is decreasing over the interval x < -1 and increasing over the interval x ≥ −1.

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Yes, it is possible to have a nonzero q-module (q-vector space) with finitely many elements. A nonzero q-module has at least two elements, which distinguishes it from the trivial module containing only the zero element. When the module has finitely many elements, it is referred to as a finite q-module.

In a q-module, the elements are combined through operations that follow the module's underlying ring or field structure. For instance, in a q-vector space, the operations are defined over a field, like the rational numbers (Q) or real numbers (R). These operations adhere to certain rules such as associativity, commutativity, and distributivity.

An example of a finite q-module is the integers modulo n (Z/nZ) as a Z-module, where n is a positive integer. In this case, there are n elements (0, 1, 2, ..., n-1), which form a finite set. The operations of addition and scalar multiplication are performed modulo n, making this a finite module.

In summary, it is possible to have a nonzero q-module with finitely many elements, known as a finite q-module. The operations within the module follow the rules set by its underlying ring or field, allowing for a structured combination of its elements.

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Compound statements that are made up of the same simple statements and have the same corresponding truth values for all true-false combinations of these simple statements are said to be logically equivalent.

In other words, if two compound statements are logically equivalent, they have the same truth value for every possible combination of truth values of the simple statements that they are composed of. This means that the logic of the two statements is exactly the same, and they can be used interchangeably in any logical argument or deduction.

For example, the compound statement "not (A or B)" is logically equivalent to "not A and not B". This can be shown using a truth table, which lists the truth values of the compound statement for all possible combinations of truth values of A and B. In this case, the truth table shows that the two compound statements have the same truth values for all possible combinations of A and B, and therefore they are logically equivalent.

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Answer: 88

Step-by-step explanation:

First, separate into familiar shapes

The area of the triangles at each side is 10 because the formula is length times times width divided by 2, when you plug the numbers in, 5 times 4 divided by two, times 2 because there are two triangles which equals 20.

That leaves the rectangle and the formula for the area of a rectangle is length times width, 17 times 4 which equals 68.

Add them, 20 plus 68 equals 88.

The unit circle), and the curve does not oscillate rapidly or change direction abruptly, so we would expect the arc length to be less than 2.

To find the arc length traced out by the parametric curve x = cos(cos(4t)), y = sin(cos(4t)) as t goes through the range 0 to 1, we can use the following formula for arc length:

L = ∫√(dx/dt)^2 + (dy/dt)^2 dt, where the integral is taken over the range of t.

Taking the derivatives of x and y with respect to t, we have:

dx/dt = -sin(4t)sin(cos(4t))

dy/dt = cos(4t)sin(cos(4t))

Substituting these into the formula for arc length, we get:

L = ∫√((-sin(4t)sin(cos(4t)))^2 + (cos(4t)sin(cos(4t)))^2) dt

L = ∫√(sin^2(4t)sin^2(cos(4t)) + cos^2(4t)sin^2(cos(4t))) dt

L = ∫√(sin^2(cos(4t))) dt

L = ∫|sin(cos(4t))| dt

Since we know that the sine function oscillates between -1 and 1, we can see that the absolute value of sin(cos(4t)) is always between 0 and 1. Therefore, the integral of |sin(cos(4t))| over the range 0 to 1 gives us the total distance traced out by the curve, which is the arc length.

Evaluating the integral, we get:L = ∫|sin(cos(4t))| dt = ∫sin(cos(4t)) dt

Let u = cos(4t), then du/dt = -4sin(4t), and dt = -du/(4sin(4t))

Substituting for dt and u, we have:

L = ∫sin(u) * (-du/(4sin(4t))) = (-1/4) ∫sin(u) du = (-1/4)cos(u) + C

Substituting back for u and simplifying, we get:

L = (-1/4)cos(cos(4t)) + C

To find the constant C, we use the fact that L = 0 when t = 0:

0 = (-1/4)cos(cos(0)) + C = (-1/4)cos(1) + C

C = (1/4)cos(1)

Therefore, the arc length traced out by the parametric curve x = cos(cos(4t)), y = sin(cos(4t)) as t goes through the range 0 to 1 is:

L = (-1/4)cos(cos(4t)) + (1/4)cos(1)

L = (-1/4)cos(cos(4)) + (1/4)cos(1)

L ≈ 0.615

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Answer:

mean is the answer

Step-by-step explanation:

because mean or average is when the numbers of different value is added over the number you added

for example

the average of 5+4+5+6+4 is

5+4+5+6+4/5

24/5=4.8

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