if you are asked to evaluate the adequacy of the sample size, the type of confirmation used, and the percent of accounts confirmed, what additional information will you need?

Answer:

Your answer is

Rate of change = 300%

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According to the question and after using the Pythagorean theorem the length of one side of the roof is 7.416 metres.

The Pythagorean Theorem is a mathematical formula used to determine the length of the sides of a right triangle. It is named after the Greek mathematician Pythagoras, who is credited with discovering the formula in the 6th century BC. The theorem states that the sum of the squares of the two shorter sides of the triangle is equal to the square of the hypotenuse (the longest side of the triangle). In equation form, it is expressed as a² + b² = c², where a and b are the lengths of the two shorter sides of the triangle and c is the length of the hypotenuse.

We know that the hypotenuse is 8 metres (the width of the shed) and the two shorter sides are 3 metres (the height of the walls) and y (the length of the side of the roof).
Therefore, using the Pythagorean theorem, we have:
3² + y² = 8²
9 + y² = 64
y² = 55
y = √55
y = 7.416 metres
Therefore, the length of one side of the roof is 7.416 metres.

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Answer:

i dont know the language

Step-by-step explanation:

To find the series solution for the differential equation y'' + 2xy' + 2y = 0, we can assume a power series solution of the form:

Now, substitute y(x), y'(x), and y''(x) into the differential equation:

∑(n=0 to ∞) aₙn(n-1) xⁿ⁻² + 2x ∑(n=0 to ∞) aₙn xⁿ⁻¹ + 2 ∑(n=0 to ∞) aₙxⁿ = 0

We can simplify this equation by combining the terms with the same powers of x. Let's manipulate the equation step by step:

We can combine the three summations into a single summation:

∑(n=0 to ∞) (aₙ₊₂(n+1)n + 2aₙ₊₁ + 2aₙ) xⁿ = 0

Since this equation holds for all values of x, the coefficients of the terms must be zero. Therefore, we have:

This is the recurrence relation that determines the coefficients of the power series solution To find the series solution, we can start with initial conditions. Let's assume that y(0) = y₀ and y'(0) = y'₀. This gives us the following initial terms:

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Answer:

310

Step-by-step explanation:

\(80/\frac{1}{4} -10\\=80*4+10\\=320-10\\=310\)

Answer:

1.   487.5%

2.  43.45

Step-by-step explanation:

Remember the formula for a proportion: ((part)/(whole)) = ((percent)/(100))

1.

The part is given, 78, and the whole is given, 16.

Set up a porportion:

78/16 = percent/ 100

Simplify:

39/8 = percent /100

Cross products

39/8 = percent/100

8percent = 3900

Inverse operations

8percent = 3900

/8     /8

percent = 487.5

487.5%

2.

The percent is given, and the whole is given.

Set up a proportion:

part/55 = 79/100

Cross products

part/55 = 79/100

100part = 4345

Inverse operations

100part = 4345

/100    /100

part = 43.45

43.45

To translate the given phrases into expressions, assign the variable a letter, use the second column phrase to form the first part of the expression, and then use the third column phrase to complete the expression.

To translate the given phrases into expressions, we will follow the steps outlined below.

1. Identify the variable in the first column and assign it a letter, such as "x."

2. Use the phrase in the second column to translate into an expression. For example, if the phrase is "twice the variable," the expression would be "2x."

3. Then, continue with the phrase in the third column to translate into another expression. For example, if the phrase is "increased by 5," the expression would be "2x + 5."

By following these steps, we can effectively translate the given phrases into expressions. Remember to always substitute the variable with its assigned letter and simplify the expression if necessary.

In summary, to translate the given phrases into expressions, assign the variable a letter, use the second column phrase to form the first part of the expression, and then use the third column phrase to complete the expression. Following these steps will help you accurately translate the phrases into expressions.

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Answer:

Gjdkv7fyfkg4kftirfkb8

Hey there!

Easy word problem

Since there are 84 students total and their goal is to collect 16 cans

We multiply

=> 84 × 16 ⇒ 1,344

Therefore, 1,344 cans will be collected in all if each fifth-grader achieves the goal

Answer:

The answer is -285

Step-by-step explanation:

Answer:

x=32

Step-by-step explanation:

Answer:

20,22,24,26

Step-by-step explanation:

Let the four consecutive even integers be 2x - 2 ;  2x  ; 2x + 2 ; 2x + 4

Sum of four consecutive integers = 92

2x - 2 + 2x + 2x+ 2 + 2x + 4          = 92

       2x + 2x + 2x + 2x + 2 - 2 + 4   = 92

                                       8x  +4       = 92

                                                   8x  = 92 - 4

                                                   8x  = 88

                                                     x = 88/8

                                                     x = 11

  2x -2 = 2*11 - 2

           = 22 - 2

           = 20

      2x = 2*11

           = 22

2x + 2 = 2*11 + 2

           = 22 + 2

           = 24

2x + 4 = 2*11 + 4

          = 22 + 4

          = 26

The four consecutive even integers are 20,22,24,26

Answer:

y=-5/4x+5

Step-by-step explanation:

( 0 , 5 )

The 5 is the y point meaning.

y = -5/4 x + 5

*slope

y = -5/4 x + 5

*where it crosses the y-axis

Answer:

8 units because the diameter is the side to side length of the circle so when you count it you get 8 units.

We can see here that in selecting the correct answer, we have:

Drop down box 1: Multiplication property of equality.

Drop down box 2: csin(B) =bsin(C)

Drop down box 3: Division property of equality.

A key idea in algebra is the multiplication property of equality, which asserts that if we multiply both sides of an equation by the same non-zero number, the equality is still maintained.

In other words, if a = b, then for any non-zero number c, we have:

a × c = b × c

Algebraic equations and expressions are frequently solved using the multiplication property of equality, a potent tool.

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If Jacob lives until the end of the term of his policy, the total amount he would have paid in premiums overall is $50,850.

Total premium payment = (face value / average premium rate) x number of years x premium

($500,000 / 1000) x $6.78 x 15 = $50,850

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Answer:

C

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

\((4x^2+1)+(4x^2+x+2)= \\\\(4x^2+4x^2)+x+(1+2)= \\\\8x^2+x+3\)

Hope this helps!

Rounding to the nearest tenth of a percent, we find that approximately 65.5% of the data is less than 105.

To find the percentage of the data that is less than 105 in a normal distribution with a mean of 100 and a standard deviation of 15, we can use the standard normal distribution table or a statistical calculator.

Using a standard normal distribution table, we need to calculate the z-score for the value 105, which represents the number of standard deviations away from the mean:

z = (x - μ) / σ,

where x is the value (105), μ is the mean (100), and σ is the standard deviation (15).

Substituting the values:

z = (105 - 100) / 15 = 5 / 15 = 1/3.

Looking up the z-score of 1/3 in the standard normal distribution table, we find that it corresponds to approximately 0.6293.

The percentage of the data that is less than 105 can be calculated by converting the z-score to a percentile:

Percentile = (0.5 + 0.5 * erf(z / √2)) * 100,

where erf is the error function.

Substituting the z-score into the formula:

Percentile = (0.5 + 0.5 * erf(1/3 / √2)) * 100 = (0.5 + 0.5 * erf(1/3 / 1.414)) * 100.

Calculating this value gives us approximately 65.48.

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Answer: 8

Step-by-step explanation:

8 is the rounded integer.

The rounded decimal would be 8.21584...

I hope my answer helped you! :)

Answer:

4 lines

Step-by-step explanation:

because the diagonals are

linked together

We find that the approximation converges to 9.74679419, accurate to eight decimal places. So, the square root of 95, approximated using Newton's method, is 9.74679419.

Newton's method is a way to approximate the roots of a function. In this case, we want to approximate the square root of 95 correct to eight decimal places. To use Newton's method, we start with an initial guess and then apply the following formula repeatedly:
x1 = x0 - f(x0) / f'(x0)
where x0 is our initial guess, f(x) is the function we are trying to find the root of (in this case, f(x) = x^2 - 95), and f'(x) is the derivative of f(x) (which is 2x).
Let's start with an initial guess of 10:
x1 = 10 - (10^2 - 95) / (2 * 10) = 5.75
We can continue this process, plugging in our new guess into the formula each time, until we reach a value that is accurate to eight decimal places. After a few iterations, we get:
x8 = 9.74679434
This is our final answer, correct to eight decimal places.
Using Newton's method, we can approximate the square root of a number, such as 95, to eight decimal places. Newton's method is an iterative process that starts with an initial guess and refines the guess using the formula:
x1 = x0 - f(x0)/f'(x0)
For square root approximation, f(x) = x^2 - a, where a is the number we want to find the square root of (95 in this case), and f'(x) = 2x.
Let's start with an initial guess x0 = 9 (since 9^2 = 81 is close to 95). We can then perform the following iterations:
1. x1 = 9 - (9^2 - 95)/(2*9) ≈ 9.72222222
2. x2 = 9.72222222 - (9.72222222^2 - 95)/(2*9.72222222) ≈ 9.74679424
3. x3 = 9.74679424 - (9.74679424^2 - 95)/(2*9.74679424) ≈ 9.74679419
Continuing this process, we find that the approximation converges to 9.74679419, accurate to eight decimal places. So, the square root of 95, approximated using Newton's method, is 9.74679419.

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Yes, the conditions for inference are met. The teacher conducts 50 trials, which is large enough to meet the large counts condition (np ≥ 10 and n(1-p) ≥ 10).

The teacher's attempt to make the number cube unfair by inserting lead weights raises the question of whether the proportion of rolls that will land on a 1 has changed. To determine if she was successful, the teacher rolls the cube 50 times and keeps track of the number of times she rolls a 1. The data shows that she rolled a 1 15 times.

To determine if the data provides convincing evidence that the proportion of rolls that will land on a 1 is greater than one-sixth, we need to check if the conditions for inference are met.

The 10% condition requires that the sample size is less than 10% of the population size. Since we do not know the population size, we cannot determine if this condition is met.

The large counts condition requires that both the number of successes (15) and the number of failures (35) are greater than or equal to 10. This condition is met.

The randomness condition requires that the sample is random. Since the teacher rolled the cube, it is assumed that the rolls were random.

Therefore, the conditions for inference are met. We can use a hypothesis test to determine if the data provides convincing evidence that the proportion of rolls that will land on a 1 is greater than one-sixth.

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The number of combinations of 6 boys and 20 girls that can exist among 26 children born in a hospital on a given day is 230,230.

]To calculate the number of combinations, we can use the concept of binomial coefficients. The formula for calculating the number of combinations is C(n, k) = n! / (k!(n-k)!), where n is the total number of objects and k is the number of objects we want to select.

In this case, we have 26 children in total, and we want to select 6 boys and 20 girls. Plugging these values into the formula, we get C(26, 6) = 26! / (6!(26-6)!) = 230,230. Therefore, there are 230,230 different combinations of 6 boys and 20 girls that can exist among the 26 children born in the hospital on that given day.

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Answer:

A- True

Step-by-step explanation:

If you search a picture of the graph then you will see it as well!!! Hope this helps!!!!

The eigenvalues are 1 and 9 and the corresponding eigenvectors are (0,0,1) and (0,1,0) respectively.

The given matrix is [9 0 0; 0 1 0; 0 1 0]. We have to find the eigenvalues and eigenvectors of the given matrix.

Eigenvalues of the matrix can be obtained by the formula (A−λI)X=0 where A is the matrix, λ is the eigenvalue and X is the eigenvector.

We need to find the value of λ that makes the determinant of (A-λI) equal to 0.

[(9-λ) 0 0; 0 (1-λ) 0; 0 1 0]=0

⇒(9-λ) [(1-λ) 0; 1 0]-0 [(0) 0; (0) (1-λ)]=0

⇒(9-λ)[-(1-λ) 0; 1 0]=0

⇒(λ²-10λ+9)=0

⇒λ=1, 9

Eigenvectors can be calculated using the formula AX=λX where X is the eigenvector.

So for λ = 1, (A-I)X=0[(9-1) 0 0; 0 (1-1) 0; 0 1 0]X

=0[8 0 0; 0 0 0; 0 1 0][x1; x2; x3]

=[0; 0; 0]

The solution of the above equation is X1=(0,0,1).Hence, the eigenvector corresponding to the eigenvalue 1 is (0,0,1).

For λ = 9, (A-9I)X=0[(9-9) 0 0; 0 (1-9) 0; 0 1 0]X

=0[0 0 0; 0 -8 0; 0 1 0][x1; x2; x3]

=[0; 0; 0]

The solution of the above equation is X2=(0,1,0).Hence, the eigenvector corresponding to the eigenvalue 9 is (0,1,0).

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Answer:

45

Step-by-step explanation:

I think it's 45. Why do I have to have 25 characters

Answer:

5^2 is 5x5=25 25x 2 = 50 minus 5 is 45 so i think its 45

Step-by-step explanation:

Step-by-step explanation:

the same as every other individual outcome of a roll of 2 dice : 1/6 × 1/6 = 1/36

Answer:

C. Both

Step-by-step explanation:

You would substitute the coordinates into the equation to find the answer.

(4,-1)

-1 + 1 = 3 (4-4)

0 = 0

(5,2)

2 + 1 = 3(5-4)

3 = 3

Answer:

V = 1250π/3 mm³

V = 1309 mm³

Step-by-step explanation:

The composite figure is made up of a cylinder with radius 5 mm and two hemispheres of radius 5 mm. The height of the cylinder is

20 mm - 5 mm - 5 mm = 10 mm

The two hemispheres make up a full sphere of radius 5 mm.

V = πr²h + (4/3)πr³

V = π(5 mm)²(10 mm) + (4/3)π(5 mm)³

V = [(25 mm²)(10 mm) + (4/3)(125 mm)³]π

V = [250 mm³ + 500/3 mm³]π

V = 1250π/3 mm³

V = 1309 mm³