54÷6,297 plz help fast I will give the brainliest answer​

The probability level used by researchers to indicate the cutoff probability level (highest value) that will allow them to reject the null hypothesis is called the alpha level.

Alpha level refers to a threshold value which is used to determine if a test statistic is statistically significant.  In a statistical test, it demonstrates an acceptable probability of a Type I error. As alpha corresponds to a probability, it lies in the range of 0 to 1. The alpha level denoted as alpha or α refers to the probability of rejecting the null hypothesis when it is true. For example, a alpha level of 0.05 demonstrate a 5% risk of concluding that a difference exists when there is no actual difference.

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9514 1404 393

Answer:

  lock code: 3709528614

Step-by-step explanation:

Given:

Find:

  single digit corresponding to each letter

Solution:

CC must be 11, because the sum of any pair of single digits cannot exceed 18. (C = 1).

K must be 2, because H×K = B = H×2. (K = 2)

The only single-digit products involving 3 are 3×1 = 3, 3×2 = 6, and 3×3 = 9. We know F is not 1 or 2, so for 3F = D we must have F = 3, D = 9. (F = 3)(D = 9)

CK = 12, so H×F = 3H = 12. This means H = 4. (H = 4)

2H = B, so B = 8. (B = 8)

D×F = KG. Using the values for D, F, K, we find 9×3 = 27. (G = 7)

K×F = J = 2×3. (J = 6)

At this point, the only unassigned digits are 0 and 5.

H×A = KE. Filling in known values, this is 4A = 20 +E. (A = 5)(E = 0)

The sum E+15 = A+10 can also be used to assign values to A and E.

__

Then the letters corresponding to the digits 0-9 are ...

  \(\texttt{01234 56789}\\\texttt{ECKFH AJGBD}\)

The bicycle lock code is 3709528614.

Answer:

B,D, and the last E

Step-by-step explanation:

Answer:

the distant between 20,21 is 1. and the distant between 26,24 is 2.

Step-by-step explanation:

1. 21-20=1

2. 26-24=2

hope this helps

Answer:

0.625 gallons

Step-by-step explanation:

1 gallon = 4 quarts

2 gallons = 2 × 4 quarts = 8 quarts

She used  = 5 quarts

Usage of paint the front porch swing =  quart = 0.5 quart

used paint = 5 + 0.5 = 5.5 quarts

subtract used paint by starting amount

paint that was not used= 8 quarts - (5.5 quarts) = 2.5 quarts.

used green paint is 2.5 quarts or 0.625 gallons.

Indirect proof is a technique used to prove a statement as tautology, assuming the opposite of the truth value assignment. This method is used when both the assumption and its contradiction cannot be true, allowing the conclusion to be accepted. the given statement is a tautology, which means it is always true, regardless of the truth values of P and Q.

The indirect proof is a technique that is applied when a conclusion that has to be proved cannot be easily derived from the known premises of the argument. Instead, we assume the opposite of what we want to prove and then derive a contradiction from the assumption. Since it is impossible for both the assumption and its contradiction to be true, the only option is to accept the conclusion that we initially wanted to prove. We can use the method of Indirect Proof to verify that the given statement is Tautology. The statement is (P⊃Q)v(∼P⊃Q). Let's use the Indirect Proof to prove it as Tautology:

Step 1: Assume that (P⊃Q)v(∼P⊃Q) is not a tautology.  

Step 2: Therefore, there must be some truth value assignment to P and Q, such that (P⊃Q)v(∼P⊃Q) is false.  

Step 3: This means that both P⊃Q and ∼P⊃Q are false for this truth value assignment.  

Step 4: So, P is true and Q is false for this truth value assignment.  

Step 5: Now, we can see that P⊃Q is false because P is true and Q is false.  

Step 6: Also, ∼P⊃Q is false because ∼P is false and Q is false.  

Step 7: This means that both P⊃Q and ∼P⊃Q are false for any truth value assignment where P is true and Q is false.  Step 8: But this contradicts our assumption that (P⊃Q)v(∼P⊃Q) is not a tautology.  

Step 9: Therefore, our assumption must be false, and (P⊃Q)v(∼P⊃Q) is indeed a tautology. Therefore, the given statement is a tautology, which means it is always true, regardless of the truth values of P and Q.

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Answer:

8/9

Step-by-step explanation:

The probability that the number chosen is a multiple of 9 is 1/9, so the probability that it isn't a multiple of 9 is 1 - (1/9) = 8/9

Answer:

(-2,6)

Step-by-step explanation:

the actual solution to the system of equations is (-(64/27),(56/9)).

however, we can estimate by looking at the graph. the solution is where both lines intersect, and that looks to be around (-2,6) as an approximation. hope this helps!

The points that would form a square are (2, 2), (2, -2), (-2, 2), (-2, -2)

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

Forming a square

As a general rule

A square has equal sides and the angles at the vertices are 90 degrees

Since it must make a point with origin at its center, then the center must be (0, 0)

So, we have the following points (2, 2), (2, -2), (-2, 2), (-2, -2)

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Answer:

Down

Step-by-step explanation:

The negative before the x^2 makes it Down.

A. ∫(e^x cos(x)) dx = (1/2) e^x (sin(x) - cos(x)) + C.

B. ∫2x² / 4 dx - ∫3 / 4 dx = (1/2) x² - (3/4) x + C, where C is the constant of integration.

a) To evaluate the integral of ∫(e^x cos(x)) dx, we can use integration by parts.

Let u = e^x, and dv = cos(x) dx. Then du/dx = e^x and v = sin(x). Using the integration by parts formula,

∫(e^x cos(x)) dx = e^x sin(x) - ∫(e^x sin(x)) dx.

Next, we can use integration by parts again. Let u = e^x and dv = sin(x) dx. Then du/dx = e^x and v = -cos(x). Using the integration by parts formula again,

∫(e^x cos(x)) dx = e^x sin(x) - e^x cos(x) - ∫(e^x cos(x)) dx.

Adding ∫(e^x cos(x)) dx to both sides, we get

2∫(e^x cos(x)) dx = e^x (sin(x) - cos(x)) + C,

where C is the constant of integration.

Therefore,

∫(e^x cos(x)) dx = (1/2) e^x (sin(x) - cos(x)) + C.

b) To evaluate the integral of ∫2x³-3x / 4x dx, we can simplify the integrand by factoring out x:

∫2x³-3x / 4x dx = ∫(2x²-3) / 4 dx

Now we can integrate each term separately:

∫2x² / 4 dx - ∫3 / 4 dx = (1/2) x² - (3/4) x + C,

where C is the constant of integration.

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Answer:

\( \boxed{\sf Mass \ (M) \ of \ the \ round \ ball = 10 \ grams} \)

Given:

Volume (V) = 10 millilitres

Density (\( \sf \rho \)) = 1 gram/millilitre

To Find:

Mass (M) of the round ball

Step-by-step explanation:

Formula:

\( \boxed{ \bold{Density \: ( \rho) = \frac{Mass \ (M)}{Volume \ (V)} }}\)

\( \sf \implies Mass \ (M) = Density \ (\rho) \times Volume \ (V)\)

Substituting value of density (\( \sf \rho \)) & volume (V) in the equation:

\( \sf \implies M = 1 \times 10 \\ \\ \sf \implies M = 10 \: grams\)

\( \therefore\)

Mass (M) of the round ball = 10 grams

Answer: $190=£131.1

Step-by-step explanation:

190x0.69=

131.1

Answer:

£131.1

Step-by-step explanation:

0.69 x 190 = 131.1

Answer:

A

Step-by-step explanation:

Answer:

The answer is D or 32oz for $3.00

Step-by-step explanation:

You're trying to find how much it cost for just 1 ounce so divide the price by the ounces:

a. $ 1.25 ÷ 12 =  $ .104 per ounce

b. $ 1.65 ÷ 16 = $ .103 per ounce

c. $ 2.15 ÷ 20 = $ .1075 per ounce

d. $ 3.00 ÷ 32 = $ .09375 per ounce

Option D is the cheapest per ounce of all four choices!

Hope this helped

Answer:

Could you give a picture or say what does the point K and M say.

Step-by-step explanation:

Answer:

Reflection over the y-axis.

Step-by-step explanation:

All the x values will change sign so its over the yaxis

Answer:

a. The graph will be reflected over the y-axis

Step-by-step explanation:

When a function is reflected over the y-axis, the x-coordinates are divded by -1, and then the new points will become reflections of the y-axis. Because x was changed to -x in this problem, we know that the graph was relfected across the y-axis.

hope this helps :)

Answer:

a) point (2, 1) is when the ball is on it's way down at 2 seconds

b) vertex (1, 2) is the highest the ball goes, which is 2 at 1 second.

c) y-intercept (0, 1) at time zero the ball is starting at a height of 1.

d) Points (0, 1) and (2, 1) are the points at which the ball starts and when it is in the same position from the ground as when it started, which is 1.

e) zero (x-int) is when the ball hits the ground at 2.5 seconds.

Step-by-step explanation:

Answer:

See below

step by step explanation

A. (2 , 1 ) is point on the parabola . It represents that the height of the ball after 2 second have passed.

b. The vertex is at ( 1 , 2 ) . It represent that the maximum height of the ball which is 2 units to at t = 1 second

c. The y - intercept is ( 0 , 1 ) . It represent that the initial height of ball at t = 0 second is 1 unit.

d. Point ( 0 , 1 ) and ( 2 , 1 )

This point represent the set of point having equal height at two different time. It represents how long before the ball reaches the same height from the starting point.

e. The zero or x - intercept is ( 2.5 , 0 )

It represent the time taken by ball before it reaches the ground.

Hope this helps...

Best regards!!

Using sampling concepts, it is found that this is an example of independent samples.

In this problem, there are two sets of items, the data-set composed by the time taken by females, and the time taken by males.

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Answer:

15

Step-by-step explanation:

Using the distance formula will help you with this!

Answer:

\(x = \frac{y - 3}{2} \\ \)

Step-by-step explanation:

\(y = 2x + 3 \\ y - 3 = 2x \\ \frac{y - 3}{2} = x \\ \)

The probability of selecting either a pink or green marble from the 10 marbles is; 2/10

We are told that you try to select a marble ten times.

Now, we want to try to find out the best probability of selecting either a pink or a green marble.

Now, it's possible that there are other marbles but if we want to know just for this two amrbles, then we can write the probability as;

P(either pink or green marble) = 2/10

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Answer:

3

Step-by-step explanation:

Answer:

\(r = \sqrt{ {(6 - 2)}^{2} + {(1 - ( - 3))}^{2} } \)

\(r = \sqrt{ {4}^{2} + {4}^{2} } = \sqrt{16 + 16} = \sqrt{32} \)

So the equation of the circle is

\( {(x - 2)}^{2} + {(y + 3)}^{2} = 32\)

The floor area of the engineer's model of the sugar factory is 10.825 square feet.

To determine the floor area of the engineer's model of a sugar factory in square feet, we need to convert the given measurements from inches to feet. Since there are 12 inches in a foot, we can divide both dimensions by 12 to convert them.

The length of the model in feet is 30 inches / 12 = 2.5 feet, and the width is 52 inches / 12 = 4.33 feet.

To find the floor area, we multiply the length by the width:

Area = Length × Width

= 2.5 feet × 4.33 feet

= 10.825 square feet

It's important to note that the given measurements are not a standard aspect ratio or scale for a sugar factory. The given dimensions may be scaled down for the model's convenience, so the calculated floor area is only applicable to the scale of the model.

In actuality, a sugar factory would have much larger dimensions.

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According to the information in the graph, it can be inferred that time has a tendency to decrease, however, there is no well-defined pattern of time that decreases in each Olympics.

To analyze the graph, we must take into account that each point represents the time relationship of the winner in the year of each Olympics. According to the above we can see that the winner of the year 1952 took 55 seconds, while the winner of the year 2008 took 47 seconds.

Therefore, we can show that there is a tendency to decrease the time to complete and win the 100-meter freestyle swim. However, there is no well-defined pattern on the decrease in time because in some years it has decreased more than in another and in some it has increased.

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Answer:

can you like write it out normally please, i can answer it then

Step-by-step explanation:

The given sentence, "Whenever I have to choose between two evils, I choose the one I haven't tried yet," expresses a preference for novelty or experimentation when faced with undesirable options. To negate this statement, we need to express the opposite sentiment, indicating a different decision-making approach.

The negation of the sentence would be, "There is a situation where whenever I have to choose between two evils, I don't choose the one I haven't tried yet." This means that in a specific scenario, the speaker does not opt for the alternative they haven't experienced before when faced with two undesirable choices.

By negating the original sentence, the emphasis shifts from preferring the untried option to avoiding it. The negation implies that familiarity or prior experience may be preferred over novelty. It suggests that the speaker may prioritize the known consequences of an option over the uncertainty associated with the unexplored choice.

This negation challenges the idea of actively seeking new experiences or preferring the unknown in decision-making. It implies that the speaker may have learned from past experiences and tends to choose the option they have already encountered, indicating a preference for predictability or familiarity.

Negating statements helps us explore alternative perspectives and consider different decision-making approaches. It encourages critical thinking and challenges assumptions, highlighting the diversity of opinions and perspectives that exist. In this case, the negation suggests an alternative mindset, one that values familiarity or previous knowledge in decision-making processes.

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Answer:

x-y=7

y=x-7

m=1 #parallel slope will be the same with the line

y+7=1(x+6)

y+7=x+6

y=x-1

Step-by-step explanation:

formula; y-y1=m(x-x1)

Answer:

y=x+1

Step-by-step explanation:

There are several different sampling methods that could be employed for this study, including:

Simple random sampling: This method involves randomly selecting a certain number of students from each campus and measuring the distance between their hometowns and their campuses.

Stratified random sampling: This method involves dividing the student population at each campus into different strata (e.g. by major or year in school) and then randomly selecting a certain number of students from each stratum.

Cluster sampling: This method involves randomly selecting a certain number of campuses and then measuring the distance between the hometowns of all students at those campuses and their respective campuses.

Multi-stage sampling: This method involves using a combination of the above methods, such as first using cluster sampling to select a certain number of campuses and then using stratified random sampling to select a certain number of students from each campus.

This study would be an enumerative study because it seeks to measure the characteristics of a population, in this case, the average distance between the hometowns of students and their campuses, by counting and measuring them.

It is not an analytic study because it doesn't involve testing a hypothesis or making causal inferences.

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No, the idempotency identity is not satisfied for the given T-norm and T-coNorm operations.

The idempotency property states that applying an operation to an element twice should yield the same result as applying it once. In other words, if A is an element and "⋆" is an operation, then A ⋆ A = A.

In the case of the T-norm (T_ap) operation, which is the algebraic product, the idempotency property is not satisfied. The T-norm is defined as T_ap(a, b) = a ⋅ b. If we apply the operation to an element twice, we have T_ap(a, a) = a ⋅ a = a^2, which is not equal to a in general. Therefore, the T-norm operation does not satisfy the idempotency property.

Similarly, for the T-coNorm operation, which is the algebraic sum (S_as), the idempotency property is also not satisfied. The T-coNorm is defined as S_as(a, b) = a + b - a ⋅ b. If we apply the operation to an element twice, we have S_as(a, a) = a + a - a ⋅ a = 2a - a^2, which is not equal to a in general. Hence, the T-coNorm operation does not satisfy the idempotency property.

In conclusion, neither the T-norm nor the T-coNorm operations satisfy the idempotency property, as applying these operations twice does not give the same result as applying them once.

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