PLEASE ANSWER ASAP!!

About 58%

12-5=7

7/12=0.5833333333

rounded 0.58, move 2 places

58©

Answer:

x= 130 degrees

Step-by-step explanation:

Answer:

Brainliest???

Step-by-step explanation:

Answer:

-128

Step-by-step explanation:

hope it helps srry if its wroung:>

(a) The area of one side of the rectangular wooden board is approximately 209.7 cm² with an uncertainty of 4.9 cm². (b) The volume of the wooden board is approximately 251.6 cm³ with an uncertainty of 4.0 cm³.

(a) To find the area of the rectangular wooden board, we multiply its length by its width. Let's calculate it:

Length = (21.4 ± 0.2) cm

Width = (9.8 ± 0.1) cm

Area = Length × Width

Calculating the nominal value:

Area = (21.4 cm) × (9.8 cm) = 209.72 cm² ≈ 209.7 cm² (rounded to one decimal place)

Now, let's calculate the uncertainty in the area using the formula for the propagation of uncertainties:

Uncertainty in Area = |Area| × √[(Uncertainty in Length/Length)² + (Uncertainty in Width/Width)²]

Uncertainty in Length = 0.2 cm

Uncertainty in Width = 0.1 cm

Uncertainty in Area = |209.7 cm²| × √[(0.2 cm/21.4 cm)² + (0.1 cm/9.8 cm)²]

Uncertainty in Area ≈ 4.9 cm² (rounded to one decimal place)

Therefore, the area of one side of the rectangular wooden board is approximately 209.7 cm² with an uncertainty of 4.9 cm².

(b) To find the volume of the wooden board, we multiply the area of one side by its thickness. Let's calculate it:

Area = 209.7 cm² (from part a)

Thickness = (1.2 ± 0.1) cm

Volume = Area × Thickness

Calculating the nominal value:

Volume = (209.7 cm²) × (1.2 cm) = 251.64 cm³ ≈ 251.6 cm³ (rounded to one decimal place)

Now, let's calculate the uncertainty in the volume using the formula for the propagation of uncertainties:

Uncertainty in Volume = |Volume| × √[(Uncertainty in Area/Area)² + (Uncertainty in Thickness/Thickness)²]

Uncertainty in Thickness = 0.1 cm

Uncertainty in Volume = |251.6 cm³| × √[(4.9 cm²/209.7 cm²)² + (0.1 cm/1.2 cm)²]

Uncertainty in Volume ≈ 4.0 cm³ (rounded to one decimal place)

Therefore, the volume of the wooden board is approximately 251.6 cm³ with an uncertainty of 4.0 cm³.

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Answer:

100KD

Step-by-step explanation:

77 + 23 = 100KD

To calculate John's BMI, we need to use the formula BMI = weight (kg) / height (m)^2. When we calculate this, we get a BMI of 36.1.

First, we need to convert John's height and weight to the metric system. His height is 1.75 meters and his weight is 110.5 kilograms.
Next, we can plug those values into the formula: BMI = 110.5 / (1.75)^2.
According to the Centers for Disease Control and Prevention, a BMI of 30 or above is considered obese. Therefore, John falls into the obese category based on his BMI.
It's important to note that BMI is just one measure of health and does not take into account muscle mass or other factors that can affect weight. It's always best to speak with a healthcare professional to determine a healthy weight and lifestyle plan.

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Answer:

A = The greatest common factor would be 9.

B: 45+63= 9*(5+7)

Step-by-step explanation:

Answer:

b is 45+63=9(5+7)

Step-by-step explanation:

Once you know the GCF, you just need to find what the GCF (9 in this case), times what will get you 45 and 63. So we already know that 9 will be on the outside of the parentheses since it's what we're multiplying by. 9 times 5 is 45, so for the first number in the parentheses you'll put 5, and for the second, 9 times 7 is 63, so the second number in the parentheses is 7. You can check by solving it. 9(5+7). Use the distributive property and first you will do 9 times 5, which is 45, then 9 times 7 which is 63, so you'll get 45+63, which is correct.

Answer:

84 degrees i think

Step-by-step explanation:

polygons have their interior angles add up to 540, so you just add up all the angles given and subtract them from 540, then you get your answer.

The probability distribution can be constructed by dividing each value of p(x) by the sum of all p(x) values. This will give the proportion of each value in the distribution. The completed table is as follows: x | 0 | 1 | 2 | 3 | 4 | 5 | 6 | p(x)| 0.030 | 0.061 | 0.139 | 0.243 | 0.186 | 0.117 | 0.064.

To construct the probability distribution, we need to find the probabilities for each value of x. The p(x) values given in the table represent the frequencies or counts of each value. To convert these counts into probabilities, we need to divide each p(x) value by the sum of all p(x) values.

In this case, the sum of all p(x) values is 7 + 14 + 32 + 56 + 43 + 27 + 15 = 194. To find the probability for each x value, divide each p(x) value by 194.

For example, the probability for x=0 is 7/194 ≈ 0.036. Similarly, the probability for x=1 is 14/194 ≈ 0.072, and so on.

The completed probability distribution table is as follows:
x | 0 | 1 | 2 | 3 | 4 | 5 | 6 | p(x)| 0.036 | 0.072 | 0.165 | 0.289 | 0.222 | 0.140 | 0.082.

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Answer:

Either x/9 or 0.75 per cookie

Step-by-step explanation:

Let the number of cookies in a box be x.

The cost of x=9$

Then, the cost of one cookie= x/9

alternatively:

Considering one box contains 12 cookies,

The cost of a box of cookies= 9$

Then, the cost of one cookie= 9/12=0.75

Answer:

9= coefficient

4= degree

-6m= term

-5= constant

Step-by-step explanation: I hope this helps ;)

Answer:

what in the-

Step-by-step explanation:

im legally changing my name to G lol

Answer:

wow anime style

Step-by-step explanation:

Answer:B

Step-by-step explanation:

There are 15.6 g of U-235 that would remain after 2100 million years had passed.

An exponential function is defined as a function whose value is a constant raised to the power of an argument is called an exponential function.

Since starting with a 125g sample of U-235.

U-235 has a half-life of 704 million years, which means that every 704 million years, half of the remaining U-235 will have decayed. After three half-lives or 3 x 704 million years = 2112 million years, 1/2 x 1/2 x 1/2 = 1/8 of the original sample will remain.

So, if you started with a 125g sample of U-235, after 2100 million years, 125g x 1/8 = 15.625g would remain.

The correct answer is B: 15.6g would remain after 2100 million years had passed.

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Answer:

60%

Step-by-step explanation:

Hope this helps!

The required sum of the positive integers x and y with the given condition of product of x and y as  square and cube is equal to 85.

Two positive integers are x and y.

Product of 360 and x is a square.

Product of 360 and y is a cube.

Prime factors of 360 equals to ,

360 = 2³ × 3² × 5

To make a product of 360 and x as square ,

Multiply by 2 and 5 and 3 is already a perfect square.

x = 2 × 5

 = 10

360 × 10 = 3600

Now , to make product of 360 and y as cube.

Multiply by 3  and 5² and 2 is already a perfect cube.

y = 3 × 5²

   = 75

360 × 75 = 27000

Sum of the values of x and y is equal to,

x + y

= 10 + 75

= 85

Therefore, the sum of the positive integers x and y are 85.

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Answer:

Explicit

gn = 3(1/3)^(n-1)

Recursive

gn =1/3gn-1

Step-by-step explanation:

3 , 1 , 1/3 , 1/9 . . .

gn = ar^(n-1)

Where,

a = first term = 3

r = common ratio = 1/3

Check:

g2 = ar^(n-1)

= 3(1/3)^(2-1)

= 3/3^(1)

= 1^1

= 1

The explicit formula is

gn = ar^(n-1)

gn = 3(1/3)^(n-1)

The recursive form for a geometric sequence is gn = rgn-1

recursive form for our sequence gn =1/3gn-1

Where,

gn = 3

Two crucial tasks inherent in the initial stage of group therapy are orientation and establishing group norms.Ambiguity and lack of a structured approach in groups often lead to confusion, inefficiency, and potential challenges.

Orientation involves providing essential information to group members about the purpose, goals, and guidelines of the therapy group.

It helps individuals understand what to expect, builds trust, and creates a sense of safety and predictability within the group. Orientation may include discussing confidentiality, group rules, expectations, and addressing any questions or concerns.

Establishing group norms involves collaboratively developing shared guidelines and expectations that govern the behavior and interactions within the group. This process allows group members to contribute to the creation of a supportive and respectful group climate. Group norms help set boundaries, encourage open communication, and foster a sense of cohesion among members.

Without clear structure and guidance, group members may struggle to understand their roles, goals, or the process of the group therapy. Ambiguity can hinder progress, create frustration, and impede meaningful communication.

Lack of structure may also result in difficulty managing conflicts, decision-making, or time management within the group. It can lead to unequal participation, power struggles, and a lack of accountability.

To address these issues, it is important for group therapy to provide a clear framework, establish ground rules, and facilitate structured activities or interventions that promote clarity, engagement, and progress. A structured approach helps create a supportive environment, enhances group dynamics, and maximizes the therapeutic benefits of the group process.

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Answer:

1.37×10^9 is in scientific notation

We are given a differential equation of the form Vy" - rcos(8r) = 0 and are asked to determine the general solution. We use the hint provided and set v = y to obtain a linear differential equation

(a) To find the general solution of the differential equation Vy" - rcos(8r) = 0, we set v = y and rewrite the equation as a linear differential equation for u = v(z). By substituting y = v(z) into the given equation, we obtain a linear differential equation that can be solved to find the general solution for u. Finally, we substitute y back into the solution to obtain the general solution for y.

(b) (i) Given that -1 + 3i is a complex root of the cubic polynomial z³ + 6x - 20 = 0, we can use the fact that complex roots of polynomials come in conjugate pairs. Thus, the other two roots are -1 - 3i and a real root, which we can find by using Vieta's formulas.

(ii) By using the result from part (a) to write z³ + 6x - 20 = (z - a)(z² + bz + c), we can perform partial fraction decomposition to express 1/(z³ + 6x - 20) as A/(z - a) + (Bz + C)/(z² + bz + c). We solve for the constants A, B, and C and then integrate the expression. Finally, we evaluate the integral without using a calculator to determine the value.

In conclusion, in part (a), we find the general solution of the given differential equation by using the provided hint.

In part (b), we determine the other two roots of a cubic polynomial given one complex root and evaluate an integral involving a rational function using partial fractions and the result from part (a).

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Since both sides of the equation are equal, we have completed the basic step of the proof, showing that P(1) is true.

a.) The statement P(1) is obtained by substituting n=1 into the equation. So, P(1) would be: 1³ = (1(1 + 1) / 2)²

b.) To show that P(1) is true, we need to prove that both sides of the equation are equal:

Left side: 1³ = 1

Right side: (1(1 + 1) / 2)² = (1(2) / 2)² = (2 / 2)² = 1² = 1

Since both sides of the equation are equal, we have completed the basic step of the proof, showing that P(1) is true.

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a) The equation is not true for n = 1, so P(1) is false.

b) The positive integer n, 13 + 23 + … + n3 = (n(n + 1) / 2)²" is not true for n = 1

a) To find P(1), we substitute n = 1 into the equation given:

13 = (1(1 + 1) / 2)²

13 = (1 / 2)²

13 = 1/4

The equation is not true for n = 1, so P(1) is false.

b) To complete the basic step of the proof, we need to show that P(1) is true.

However, we have just shown that P(1) is false.

This means that the statement "for the positive integer n, 13 + 23 + … + n3 = (n(n + 1) / 2)²" is not true for n = 1.

Therefore, the proof cannot proceed and is incomplete.

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Answer: 12x-6= 2x

Step-by-step explanation:

Given data:

The number of hour Stacy studied maths is 2/6 hour.

The number of hour Stacy studied science is 3/6 hour.

The total number of hours Stacy studied in 5 days is,

Thus, the total number of hours Stacy studied in 5 days is 25/6 hours, so option (D) is correct.

Answer:

C

Step-by-step explanation:

Here, we want to know what what the display on the calculator means.

Well, the expression has to do with how scientific calculators display powers of 10.

So what this means is that the value 3.456 is raised to the power of 14.

This is a way in which the screen of the scientific calculators maximizes the space on their screens.

Perhaps, we have the result of a multiplication to the powers of 27. It would be quite funny seeing 27 zeros lying on the screen of the calculator right? isn’t it?

So the calculator makes a better way of this by just printing E 27 and this automatically means 10 raised to the power of 27

This makes our answer C

Kindly note that the + sign indicates that the power of the 10 is positive 14.

The value of k that makes A have one real eigenvalue of multiplicity 2 is k = 7 + √3 or k = 7 - √3.

To find the eigenvalues of the matrix A, we need to solve the characteristic equation det(A - λI) = 0, where I is the identity matrix and λ is the eigenvalue.

det(A - λI) =
|1-k-λ  k     |
|1    -7-λ  |
= (1-k-λ)(-7-λ) - k(1)
= λ^2 + (k+7)λ + 7k - 1

For A to have one real eigenvalue of multiplicity 2, the characteristic equation must have a double root. This means that its discriminant, (k+7)^2 - 4(7k-1), must be equal to 0.

(k+7)^2 - 4(7k-1) = 0
k^2 + 14k + 49 - 28k + 4 = 0
k^2 - 14k + 53 = 0

Using the quadratic formula, we get:

k = (14 ± √(14^2 - 4(1)(53))) / 2(1)
k = 7 ± √3

Therefore, the value of k that makes A have one real eigenvalue of multiplicity 2 is k = 7 + √3 or k = 7 - √3.

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The number that corresponds to the null hypothesis and the alternative hypothesis will be 3 and 6 respectively.

Specify the correct number from the list below that corresponds to the appropriate null and alternative hypotheses for this problem.

It should be noted that the null hypothesis suggests that there's no statistical relationship between the variables.

The alternative hypothesis is different from the null hypothesis as it's the statement that the researcher is testing.

In this case, the number that corresponds to the null hypothesis and the alternative hypothesis will be 3 and 6 respectively.

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Given the set 5, 8, 8, 8, 8, 9, 9, 9,  10, & 10. Calculate the mean which is the average of a given data set.

\(\bold{Mean}=\frac{Sum \ of \ all \ Data \ Points }{The \ Amount \ of \ Data \ Points \ you \ have}\)

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

\(\bold{Mean}=\frac{5+8+8+8+8+9+9+10+10 }{10}\)

\(\Longrightarrow \bold{Mean}=\frac{75 }{10}\)

\(\Longrightarrow \bold{Mean}=7.5\)

\(\Longrightarrow \boxed{\bold{Mean} \approx 8} \therefore Sol.\)

Factors whose values come about because of counting or estimating something are Quantitative Variables

While factors that are not estimation factors their qualities don't come about because of estimating or counting are Qualitative Variables.

Quantitative variables are any factors where the information address sums (for example level, weight, or age). Absolute factors are any factors where the information address gatherings. This incorporates rankings (for example completing spots in a race), groupings (for example brands of oat), and paired results (for example coin flips).

A qualitative variable is a variable describing a characteristic. Qualitative variables are also sometimes referred to as categorical variables because they can be separated into categories. Qualitative variables are often descriptive but can sometimes be given a numeric value. For example, a dataset may represent the color of a person's eyes by numbers such as 1, 2, and 3, where 1 = blue, 2 = brown, and 3 = green. In this case, you would not get any meaningful information by finding the average for the "eye color" variable.

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The coordinates of B are (-2 , 9)

Step-by-step explanation:

A (8, 4)

M (3 , -1)

To calculate a midpoint you have to add the corresponding coordinates of each point and divide them by 2

(Ax + Bx) / 2 = Mx

(8 + Bx) / 2 = 3

8 + Bx = 3 * 2

Bx = 6 - 8

Bx = -2

(Ay + By) / 2 = My

( -1 + By) / 2 = 4

-1 + By = 4 * 2

By = 8 + 1

By = 9

The coordinates of B are (-2 , 9)

To guarantee ∥u−u n∥≤ϵ, the number of terms n in the Neumann series depends on the properties of the bounded operator K and the desired accuracy ϵ.

The Neumann series is a sum of terms involving powers of a bounded operator K. It is given by u n = ∑ j=0^n λ j K j f, where λ j are scalars and f is the input function.

The convergence of the Neumann series depends on the properties of the bounded operator K. If K is a compact operator or satisfies certain conditions such as being a contraction mapping, the series converges. In such cases, the limit u = lim n→∞ u n exists.

To guarantee that the approximation u n is within a desired accuracy ϵ of the true limit u, we need to consider the rate of convergence of the Neumann series. This rate of convergence depends on the spectral radius of the operator K and the choice of the scalars λ j.

In general, to achieve ∥u−u n∥≤ϵ, we may need to include a sufficient number of terms n in the Neumann series. The number of terms required depends on the specific properties of the operator K, the spectral radius, and the desired accuracy ϵ. It is typically determined through analysis or numerical techniques.

Therefore, the exact number of terms n needed in the Neumann series to guarantee ∥u−u n∥≤ϵ cannot be determined without more information about the operator K and the specific problem at hand.

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Answer:

70/5 = 14 which then means it 14/1