Some help? Plz? I need some

Answer:

b

Step-by-step explanation:

We know that the force exerted by the fluid on the porthole is called the fluid force or hydrostatic force. The formula to find the fluid force is given as:F = pAWhere, p is the pressure exerted by the fluidA is the area of the portholeThe force and the pressure are in the direction perpendicular to the surface.

Let's first find the pressure exerted by the fluid on the porthole. The pressure of a fluid at any point is given as:P = hpg Where h is the depth of the point from the surface p is the weight-density of the fluid.The weight-density of seawater is 64 pounds per cubic foot.The depth of the center of the porthole is 13 feet below the surface.Therefore, the pressure exerted by the seawater on the porthole is:

P = hpg= 13 × 64

= 832 pounds per square foot

let's find the fluid force on the porthole.The area of the porthole is 1 square foot.The pressure on the porthole is 832 pounds per square foot.Therefore, the fluid force on the porthole is:F = pA= 832 × 1= 832 pounds Therefore, the fluid force on the porthole is 832 pounds.

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The circumference of the circle based on the area given is 14π.

The circumference of a shape is simply the total length of the boundary that the shape has. The area of a shape simply means the total space that is taken by the shape. It simply expresses the extent of the region on a particular plane as well as a curved surface.

It should be noted that area of a circle is πr² and this is given as 98π.

The radius will be:

πr² = 98π

r² = 98π / π × 1/2

r² = 49.

r = ✓49

r = 7

The circumference will be:

= 2πr

= 2 × 7π

= 14π

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According to the information given in the exercise, Xavier drank 20% of the 36 ounce cup with water.

You can write 20% as a decimal number by dividing it by 100:

Let be "x" the amount of water

The player with a 39-inch vertical leap has a hang time of approximately 0.9014 seconds.

To determine the hang time of a player with a 39-inch vertical leap, we'll use the hang-time function, which relates vertical leap to hang time.

Step 1: Convert inches to feet by dividing the vertical leap by 12 (since there are 12 inches in a foot).
39 inches ÷ 12 = 3.25 feet

Step 2: Use the hang-time function formula, which is: Hang Time = √(8 × Vertical Leap ÷ Gravity), where gravity is approximately 32 feet per second².
Hang Time = √(8 × 3.25 ÷ 32)

Step 3: Calculate the hang time.
Hang Time = √(26 ÷ 32) ≈ √(0.8125) ≈ 0.9014 seconds

The player with a 39-inch vertical leap has a hang time of approximately 0.9014 seconds.

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Tyler can buy at most 8 songs.

We have given that,Tyler solved an inequality to determine the number of songs he can buy with a $20 credit at his favorite music website.

inequality, In mathematics, a statement of an order relationship greater than, greater than or equal to, less than, or less than or equal to between two numbers or algebraic expressions.

A number line going from 5 to 13.

A solid circle is at 8.

Therefore,from the given we can say that,

he cannot buy no more than 8 songs.

Therefore,Tyler can buy at most 8 songs.

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Using a confidence level of 95%, the margin of error for the mean GRE score of graduate students is approximately 14.15. The upper bound of the confidence interval is 314.15, and the lower bound is 285.85. This means we are 95% confident that the true population mean GRE score falls between these two values.

To calculate the margin of error, we use the formula:

Margin of Error = Z * (Standard Deviation / √n)

In this case, the standard deviation is 47 and the sample size (n) is 50. The Z-value for a 95% confidence level is approximately 1.96. Plugging in these values, we get:

Margin of Error = 1.96 * (47 / √50) ≈ 14.15

This means that the sample mean of 300 is expected to be within 14.15 points of the true population mean GRE score.

The confidence interval is then constructed by adding and subtracting the margin of error from the sample mean:

Confidence Interval = (Sample Mean - Margin of Error, Sample Mean + Margin of Error)

= (300 - 14.15, 300 + 14.15) = (285.85, 314.15)

Interpreting the confidence interval, we can say that we are 95% confident that the true population mean GRE score for graduate students falls within the range of 285.85 to 314.15. This means that if we were to repeat the sampling process and calculate the sample mean GRE scores multiple times, approximately 95% of the confidence intervals obtained would contain the true population mean.

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Answer:

65.93

Step-by-step explanation:

Okay, first lets convert the money.

100 ÷ 1.43 = 69.9300699301 (69.93)

69.93 - 4 = 65.93

Ashley has 65.93 pounds.

Hope this helps! Brainliest would be appreciated. :)

The number of British pounds when Ashley changes all of her dollars to pounds will be 65.93 pounds.

Conversion means to convert the same thing into different units.

Ashley is going on a trip to London.

She saved $100.00 in spending money.

When she arrives in England, she goes to a bank to change her money into pounds.

She is told the exchange rate is 1 British pound = 1.43 American dollars.

The bank charges a fee of 4 pounds to change the money from dollars to pounds.

Convert dollars into pounds. Then the total number of pounds will be

⇒ 100 / 1.43

⇒ 69.93 pounds

The number of British pounds when Ashley changes all of her dollars to pounds will be

⇒ 69.93 pounds - bank charges a fee

⇒ 69.93 - 4

⇒ 65.93 pounds

The number of British pounds when Ashley changes all of her dollars to pounds will be 65.93 pounds.

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Given that 1 kilometer = 0.62 mile, 36 inches = 1 yard, and 1 mile = 1760 yards, 1 km has approximately 39,283.2 inches.

In mathematics, conversion is the process of changing the value of one form or unit to another. It can be changing ones unit of length, weight, volume or even currency to another.

A conversion factor is a number used to change one set of units to another, either by multiplying or dividing.

From the problem, the conversion factors are given as

1 kilometer = 0.62 mile

36 inches = 1 yard

1 mile = 1760 yards

To convert 1 kilometer into inches, first, convert 1 kilometer to miles using the conversion factor, 1 kilometer = 0.62 mile

1 km = 0.62 miles

Then, convert miles to yards using the conversion factor, 1 mile = 1760 yards

1 km = 0.62 miles = 0.62 (1760 yards)

1 km = 0.62 miles = 1091.2 yards

Lastly, convert yards to inches using the conversion factor, 36 inches = 1 yard

1 km = 0.62 miles = 1091.2 yards = 1091.2 (36 inches)

1 km = 0.62 miles = 1091.2 yards = 39,283.2 inches

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Answer:

2/3 to the power 8

Step-by-step explanation:

Power : 2 + 6 = 8

Answer:

$272

Step-by-step explanation:

We're going to make an equation

we'll make x hours

5x=80

solve for x and you get 16 dollars an hour

16 times 17 is 272

3.2

8.79

20.89

12.564

107.40

403.52

0.47531

98.7252

13,238.984

0.0075

15,011.42

Proper

Improper

11⁄ 4

33⁄ 7

14⁄ 8 or 1 1⁄ 2

3 1/6

A proper fraction exists as a fraction that contains no whole number part and its numerator exists smaller than its denominator. An improper fraction exists as a fraction that contains a larger numerator than a denominator and it designates a number greater than one.

A proper fraction exists as a fraction that contains no whole number part and its numerator exists smaller than its denominator. An improper fraction exists as a fraction that contains a larger numerator than a denominator and it designates a number greater than one. To convert an improper fraction to a mixed fraction, observe these steps:

The answer as follows:

7. 0.47531

8. 98.7252

9. 13238.984

10. 0.00757576

11. 15011.4286

12. Proper

13. Improper

14. \($\frac{11}{4}\)

15. \($\frac{33}{7}\)

16. \($1\frac{4}{8}\) or \($1\frac{1}{2}\)

17. \($3 \frac{1}{6}\)

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To build 60 birdhouses, Seth will need 40 boxes of nails

A proportion is an equation in which two ratios are set equal to each other. For example, if there is 1 boy and 3 girls you could write the ratio as: 1 : 3 (for every one boy there are 3 girls) 1 / 4 are boys and 3 / 4 are girls. 0.25 are boys (by dividing 1 by 4)

Seth uses 20 nails for a birdhouse. This means that to build 60 birdhouses, Seth will need 60×20 = 1200 nails

In each box there are 30 nails;

This means that 1200 nails will contain 1200/30 boxes = 40 boxes.

Therefore the number of boxes of nails Seth will need to build 60 birdhouses is 40.

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The statement is true: A number

\(�\)

c is an eigenvalue of an

\(�×�n×n matrix �A if and only if the equation (�−��)�=0(A−cI)x=0\)has a nontrivial solution.

To justify this answer, let's consider the reasoning:

Definition of Eigenvalue:

An eigenvalue of a matrix

\(�A is a number �c such that there exists a non-zero vector �x�=��Ax=cx.\)

Rewriting the Eigenvalue Equation:

The equation

\(��=��\)

Ax=cx can be rearranged as

\((�−��)�=0\)

(A−cI)x=0, where

�

I is the

\(��\)

n×n identity matrix.

Nontrivial Solution:

For the equation

\((�−��)�=0\)

(A−cI)x=0 to have a nontrivial solution, there must exist a non-zero vector

�

x such that

\((�−��)�=0(A−cI)x=0.Non-Zero Vector �x:If (�−��)�=0\)

(A−cI)x=0 has a nontrivial solution, it means that there exists a non-zero vector

�

x that is in the null space (kernel) of

\((�−��)(A−cI), i.e., �≠0x=0 and (�−��)�=0(A−cI)x=0.\)

Null Space and Eigenvalues:

The null space of

\((�−��)\)

(A−cI) contains all vectors

\(�x such that (�−��)�=0(A−cI)x=0.\) Therefore, if there exists a non-zero vector

�

x in the null space, it implies that

�

c is an eigenvalue of

�

A.

Conversely, if

�

c is an eigenvalue of

�

A, then there exists a non-zero vector �

x that satisfies

(\(�−��)�=0(A−cI)x=0. This implies that (�−��)\)(A−cI) is singular, and hence,

\((�−��)�=0(A−cI)x=0 has a nontrivial solution.\)

Based on these justifications, we can conclude that the statement is true: a number

\(�c is an eigenvalue of an �×�n×n matrix �A\) if and only if the equation

\((�−��)�=0\)

(A−cI)x=0 has a nontrivial solution.

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Answer:

4. rise

match the following definition with the correct term:

the vertical distance between two points on a line

1. run

2. rate of run

3. slope

4. rise

Identifying Eigenvalues and Eigenvectors, A should be a n x n matrix. By resolving the det(λI−A)=0 problem, first determine the eigenvalues of A. Find the fundamental solutions to (λI−A)X=0 to determine the fundamental eigenvectors X≠0 for each.

In linear algebra, a nonzero vector is said to have an eigenvector, or characteristic vector, when a linear transformation is applied to it; this characteristic vector only changes by a scalar amount. The scaling factor for the eigenvector is known as the associated eigenvalue, frequently represented by the symbol. Linear transformations are made intelligible by the usage of eigenvectors. Eigenvectors can be thought of as a non-directional stretching or compressing of an X-Y line chart. In mathematics, eigenvalues are regarded as the factor by which a transformation is stretched, whereas eigenvectors are the real non-zero eigenvalues that point in the direction stretched by the transformation. The direction of the transformation is negative if the eigenvalue is negative.

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Answer:

-28

Step-by-step explanation:

Answer:

s=\(\frac{2}{3}\)

Step-by-step explanation:

Explanation:

Imagine that your teacher wanted you to find the midpoint of -3 and 7 on the number line. To do this, you would add up the given values and divide by 2.

(-3+7)/2 = 4/2 = 2

The value 2 is right in the middle of -3 and 7 on the number line. This result is also the x coordinate of the midpoint since the values I used were the x coordinates of the original points.

The y coordinates are handled the same way:

(18+24)/2 = 42/2 = 21

The y coordinate of the midpoint is y = 21

Overall, the midpoint is (2, 21)

Option (d)

\(midpoint \: of \: the \: two \: points \: = (\frac{x1 + x2}{2}) \: (\frac{y1 + y2}{2}) \)

Let,

(-3,18) be (x1, y1). (7,24) be (x2,y2)

Substitute in this formula we get,

\( (\frac{ - 3 + 7}{2}) \: (\frac{18 + 24}{2}) \)

\( (\frac{4}{2}) \: ( \frac{42}{2})\)

= (2, 21)

Answer:

Erin will pay a total of $21.196 in shipping and handling fees.

Step-by-step explanation:

To calculate the shipping and handling fees, we first need to find 20% of the price of the trampoline. Since 20% is the same as 0.20, we can multiply the price of the trampoline by 0.20 to find the shipping and handling fees. If the trampoline costs $105.98, then the shipping and handling fees would be $105.98 * 0.20 = $<<105.98*0.20=21.196>>21.196.

Answer:

\(\angle L = 52\\\\\angle J = 45\\\\\angle K = 83\)

Step-by-step explanation:

\(\angle J = \angle L-7\\\\\angle K=2\angle L-21\\\\\angle L = \angle L\)

we know that

\(\angle K +\angle J + \angle L =180\) by the sum of interior angles of a triangle

so we have

\((\angle L -7)+(2\angle L -21)+(\angle L)=180\)

we can simplify

\((\angle L + 2\angle L + \angle L)+(-7-21)=180\\\\4\angle L -28=180\\\\4\angle L=180+28\\\\4\angle L = 208\\\\\angle L = 52\)

and now we find the other angles

\(\angle J = \angle L -7\\\\=52-7\\\\=45\)

\(\angle K = 2\angle L -21\\\\=2(52)-21\\\\=104-21\\\\=83\)

Hi there!  

»»————-　★　————-««

I believe your answer is:  

17

»»————-　★　————-««  

Here’s why:  

⸻⸻⸻⸻

\(\boxed{\text{Solving for 'x'...}}\\\\2x + 12 = 3x - 5\\--------------\\\rightarrow 2x + 12 - 12 = 3x - 5 - 12\\\\\rightarrow 2x = 3x -17 \\\\\rightarrow2x -3x = 3x-3x - 17\\\\\rightarrow -x = - 17\\\\\rightarrow \frac{-x=-17}{-1} \\\\\rightarrow \boxed{x = 17}\)

⸻⸻⸻⸻

»»————-　★　————-««  

Hope this helps you. I apologize if it’s incorrect.  

The area of the property, enclosed by the right triangle, is approximately 46.30 acres.

To find the area of the property, we can divide it into two shapes: a right triangle and a rectangle. The stream frontage of 600 feet forms the base of the right triangle, and the property line of 3500 feet forms the hypotenuse.

Using the Pythagorean theorem, we can find the length of the remaining side of the right triangle (the height) as follows:

height = √(3500^2 - 600^2)

height ≈ 3356 feet (rounded to the nearest whole number)

The area of the right triangle is given by:

triangle area = (base * height) / 2

triangle area = (600 * 3356) / 2

triangle area ≈ 1,005,600 square feet (rounded to the nearest whole number)

The area of the rectangle is simply the product of its length and width:

rectangle area = 600 feet * 3356 feet

rectangle area ≈ 2,013,600 square feet (rounded to the nearest whole number)

To convert the area from square feet to acres, we divide by 43,560 (the number of square feet in an acre):

lot area = (triangle area + rectangle area) / 43,560

lot area ≈ (1,005,600 + 2,013,600) / 43,560

lot area ≈ 46.30 acres (rounded to the nearest hundredth)

Therefore, the area of the property, enclosed by the right triangle, is approximately 46.30 acres.

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The formula to find the area of the sector of a circle is as follows:Area of sector = (θ/2) r²where r is the radius of the circle, and θ is the central angle of the sector measured in radians. In this case, we are given the polar equation of the circle r = 4sinθ + cosθ.

To find the area of the circle, we need to first find the limits of integration in the fourth quadrant. Since the fourth quadrant ranges from θ = π/2 to θ = π, we can find the area by integrating from π/2 to π.

Area of circle = (π/2) (4sinθ + cosθ)² dθ We can simplify the expression using the following trigonometric identities:

4sinθ + cosθ = √17 sin(θ + 1.2309594)sin²(θ + 1.2309594)

= (1/2)(1 - cos(2θ + 2.4619188))

Substituting these identities into the integral, we get: Area of circle = (π/2) [√17 sin(θ + 1.2309594)]² dθ

Area of circle = (π/2) [17 sin²(θ + 1.2309594)] dθ

Area of circle = (π/2) [8.5 - 8.5 cos(2θ + 2.4619188)] dθ

Integrating this expression from π/2 to π, we get: Area of circle = (π/2) [8.5θ - 4.25 sin(2θ + 2.4619188)] evaluated from π/2 to πArea of circle = (π/2) [8.5π - 4.25 sin(2π + 2.4619188) - 8.5(π/2) + 4.25 sin(2(π/2) + 2.4619188)]

Area of circle = (π/2) [4.25π - 4.25 sin(2π + 2.4619188) - 4.25π + 4.25 sin(2.4619188)]

Area of circle = (π/2) (8.5 sin(2.4619188))

Area of circle = 10.7029 square units

Therefore, the area of the part of the circle r = 4sinθ + cosθ in the fourth quadrant is approximately equal to 10.7029 square units.

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Answer:

12.5 has to be the number that was doubled.

Step-by-step explanation:

24+2x=49 is your equation

you subtract 24 from 49 you get 25

25 divided by 2 is 12.5 there for 12.5+12.5 is 25

25+24=49

Hope this helps!

Answer:

k'=3,-6

l'=3,1

m'=8,1

n'=8,-6

Step-by-step explanation:

Question 1a

To calculate the book value at the end of the first year using straight-line depreciation, we need to determine the annual depreciation expense first. The straight-line method assumes that the asset depreciates by an equal amount each year over its useful life. Therefore, we can use the following formula to calculate the annual depreciation:

Annual Depreciation = (Cost - Salvage Value) / Useful Life

Substituting the given values, we get:

Annual Depreciation = ($200,000 - $20,000) / 10 years = $18,000 per year

This means that the tractor will depreciate by $18,000 each year for the next 10 years.

To determine the book value at the end of the first year, we need to subtract the depreciation expense for the year from the original cost of the tractor. Since one year has passed, the depreciation expense for the first year will be:

Depreciation Expense for Year 1 = $18,000

Therefore, the book value of the tractor at the end of the first year will be:

Book Value = Cost - Depreciation Expense for Year 1

= $200,000 - $18,000

= $182,000

So the book value of the tractor at the end of the first year, December 31, 2022, using straight-line depreciation is $182,000. so the answer is D

Question 1(b)

To determine the farmer's noncurrent liabilities, we need to use the information provided to calculate the total liabilities and then subtract the current liabilities from it. Here's the step-by-step solution:

Calculate the total current liabilities using the current ratio:

Current Ratio = Current Assets / Current Liabilities

2 = $80,000 / Current Liabilities

Current Liabilities = $80,000 / 2

Current Liabilities = $40,000

Calculate the total liabilities using the debt/equity ratio:

Debt/Equity Ratio = Total Liabilities / Owner Equity

1.0 = Total Liabilities / $100,000

Total Liabilities = $100,000 * 1.0

Total Liabilities = $100,000

Subtract the current liabilities from the total liabilities to get the noncurrent liabilities:

Noncurrent Liabilities = Total Liabilities - Current Liabilities

Noncurrent Liabilities = $100,000 - $40,000

Noncurrent Liabilities = $60,000

Therefore, the farmer's noncurrent liabilities are $60,000. so the answer is B.

The 1.1.10 English 10 assignment, as assignments differ across schools and curriculums. However, I can provide guidance on approaching the assignment.

To complete your English 10 assignment, follow these steps:

1. Carefully read the assignment instructions provided by your teacher.
2. Identify the key themes or topics that you need to address.
3. Conduct research, if necessary, to gather information and support your answers.
4. Organize your ideas and develop a clear structure for your response, including an introduction, body, and conclusion.
5. Write your response, making sure to address all the required elements and provide evidence for your statements.
6. Review and edit your work, ensuring it is free of grammatical and spelling errors.

While I cannot give a specific answer to your English 10 assignment, by following the steps outlined above, you can successfully approach and complete any assignment. Remember to always follow the instructions given by your teacher and use critical thinking skills to develop strong and well-supported answers.

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Answer:

Es facil, has de saber que una veulta es igual o equivalente a 2phi, con esto tenemos el arco del círculo entero, por lo tanto, si nos dan una ángulo, lo restamos a la circunferencia, es decir 2phi.

Step-by-step explanation:

120 xº → 2phi/120º * sen alpha

Así con todos

Answer:

Greatest Number of Teams: 8

Number of Girls per Team: 5

Number of Boys per Team: 4

Step-by-step explanation:

32÷8=4

40÷8=5

The precision of the estimate decreases when standard error of an estimate when the sample size in a SRS decreases. So, the correct answer is D).

The standard error of an estimate measures the variability of sample means around the population mean. As the sample size in a simple random sample (SRS) decreases, the sample mean becomes less representative of the population mean, resulting in more variability or less precision in the estimate.

The standard error increases as the sample size decreases because there is more uncertainty in the estimate due to the smaller sample size. Therefore, decreasing the sample size will increase the margin of error and decrease the precision of the estimate. So, the correct option is D).

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