no links please i’m in yr7 / sixth grade so don’t make the answer too complicated or it won’t register ot

C. 15 feet

Area formula

A = l²

225 = l²

l = √225

l = √15²

l = 15 feet

The picture shown, shows the first step in the construction of B. Inscribed Square.

The steps to construct an inscribed square from a circle are:

So this picture shows the first step of that process.

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The first step that is being represented here is done during construction of inscribed square. That is option B

To find the sum of the squared differences, you first need to calculate the mean of the data set. Then, you need to subtract the mean from each score to get the difference. Finally, you need to square each difference and add them all together to get the sum of the squared differences.

Here are the steps to find the sum of the squared differences:

1. Calculate the mean of the data set by adding up all the scores and dividing by the number of scores.
2. Subtract the mean from each score to get the difference.
3. Square each difference.
4. Add up all the squared differences to get the sum of the squared differences.

For example, if the data set is {1, 2, 3, 4, 5}, the mean is (1+2+3+4+5)/5 = 3. The differences are (-2, -1, 0, 1, 2), and the squared differences are (4, 1, 0, 1, 4). The sum of the squared differences is 4+1+0+1+4 = 10.

So, the sum of the squared differences for this data set is 10.

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There are approximately 0.976 grams of carbon (C) in the given sample of the carbohydrate (C9H11O6).

To find the number of grams of carbon (C) in the sample, we need to first determine the molar mass of the carbohydrate.

The molar mass of C is approximately 12.01 g/mol. The molar mass of H is approximately 1.01 g/mol, and the molar mass of O is approximately 16.00 g/mol.

The molar mass of the carbohydrate (C9H11O6) can be calculated as follows:

(9 * 12.01 g/mol) + (11 * 1.01 g/mol) + (6 * 16.00 g/mol) = 162.18 g/mol

Next, we can use the Avogadro's number (6.022 x 10^23) to determine the number of moles in the sample:

4.9 x 10^22 molecules / 6.022 x 10^23 molecules/mol = 0.0813 mol

Finally, we can calculate the mass of carbon in the sample by multiplying the number of moles by the molar mass of carbon:

0.0813 mol * 12.01 g/mol ≈ 0.976 g

So, there are approximately 0.976 grams of carbon in this sample.
There are approximately 0.976 grams of carbon (C) in the given sample of the carbohydrate (C9H11O6).

To find the mass of carbon in the sample, we first need to determine the molar mass of the carbohydrate. The molar mass of an element or compound is the mass of one mole of that substance. In this case, we have the formula C9H11O6, which indicates that the carbohydrate consists of 9 carbon atoms (C), 11 hydrogen atoms (H), and 6 oxygen atoms (O).

The molar mass of carbon is approximately 12.01 g/mol, hydrogen is approximately 1.01 g/mol, and oxygen is approximately 16.00 g/mol. To calculate the molar mass of the carbohydrate, we multiply the number of atoms of each element by their respective molar masses and sum them up.

Therefore, the molar mass of C9H11O6 is

(9 * 12.01 g/mol) + (11 * 1.01 g/mol) + (6 * 16.00 g/mol) = 162.18 g/mol.

Next, we can use the Avogadro's number (6.022 x 10²³) to determine the number of moles in the given sample. The given sample contains 4.9 x 10²²molecules of the carbohydrate. Dividing this by Avogadro's number gives us the number of moles:

4.9 x 10 molecules / 6.022 x 10^23 molecules/mol = 0.0813 mol.

Finally, we can calculate the mass of carbon in the sample by multiplying the number of moles by the molar mass of carbon: 0.0813 mol * 12.01 g/mol ≈ 0.976 g. Therefore, there are approximately 0.976 grams of carbon in the given sample.

In conclusion, the sample of the carbohydrate (C9H11O6) contains approximately 0.976 grams of carbon (C).

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Answer:

Thank you ☺️

Answer:

$78

Step-by-step explanation:

Here we have to find total distance first then find amount of gasoline used based on distance traveled by car in one gallon.

_____________________________________________

Given

time = 12 hours

speed = 64 miles per hour

we know distance = speed * time

distance = 12*64 = 768 miles.

Thus, car ran 768 miles.

given that car gets an average of 32 miles per gallon.

It means in one gallon gasoline car travels 32 miles.

let the gallons used be x

in 1 gallon gasoline car travels 32 miles.

in 1*x gallon gasoline car travels 32*x miles = 32x

Thus, 32x should be equal to 768 miles as car traveled that much only

32x = 768 miles

x = 768/32 = 24

Thus, gallons of gasoline used is 24.

Cost of 1 gallon gasoline = $3.25

since, gallons found is 24, we multiply lHS and RHS by 24

Cost of 1 *24= 24 gallon gasoline = $3.25*24 = $78

Thus,

cost of 24 gallon is $78 which will be the gasoline cost for the trip.

The given statement "An algorithm is a calculation that determines how long it will take to solve a problem." is False.

An algorithm is not just a calculation that determines how long it will take to solve a problem. An algorithm is a step-by-step set of instructions or a process used to solve a problem or perform a specific task. It is a systematic approach that allows a computer or human to break down a problem into smaller, manageable parts and reach a solution effectively.

Algorithms are the foundation of computer programming and can be applied in various fields such as mathematics, data processing, and problem-solving. They can be simple, like finding the largest number in a list, or complex, like solving a Rubik's Cube.

Efficiency is a key factor in evaluating algorithms. The time and resources required for an algorithm to solve a problem can vary greatly depending on the method used. However, the primary purpose of an algorithm is to provide a clear and concise procedure to reach a solution, rather than just estimating the time needed to solve a problem.

In summary, an algorithm is a well-defined process designed to perform a specific task or solve a problem, rather than just calculating the time required to do so. Its effectiveness depends on its efficiency, accuracy, and the simplicity of the steps involved.

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Assuming the distribution of ages is normally distributed, the percentage of the drivers that are between the ages 17 and 56 is 69.49%.

According to the Federal Highway Administration 2003 highway statistics, the distribution of ages for licensed drivers has a mean of 44.5 years and a standard deviation of 17.1 years.

To find the percentage of drivers between the ages of 17 and 56, we'll use the normal distribution properties.

Here are the steps:

1. Calculate the z-scores for both ages:
  z₁ = (17 - 44.5) / 17.1 = -1.61
  z₂ = (56 - 44.5) / 17.1 = 0.67

2. Use a standard normal distribution table (z-table) to find the area under the curve between z₁ and z₂:
  P(z₁) = 0.0537
  P(z₂) = 0.7486

3. Subtract the probabilities to find the percentage of drivers between 17 and 56 years old:
  P(17 ≤ age ≤ 56) = P(z₂) - P(z₁)

  = 0.7486 - 0.0537 = 0.6949

So, approximately 69.49% of the drivers are between the ages of 17 and 56.

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(a) Starting with the expression Var(X)=E[(X−μ)2], we can rearrange to get E[(X−μ)2] = Var(X)+μ2. Therefore, Var(X)=E(X2)−μ2.

(b) A random variable Z that is constructed by standardizing X is written as Z = (X-μ)/σ.

(c) E(Z) = E[(X-μ)/σ] = (E[X] - μ)/σ = 0.

(d) Var(Z) = Var[(X-μ)/σ] = (Var[X] - μ2)/σ2 = 1.

(e) The sample mean of a random sample of size n drawn from the population is an unbiased estimator for the population mean μ if E[sample mean] = μ.

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Answer:v = y(1-n)dv/dx = (1-n)y-n dy/dxso dy

Step-by-step explanation:

A larger difference between expected and observed frequencies indicates that there is a greater difference between the data and the model, leading to a higher likelihood of rejecting the null hypothesis.

In a chi-square analysis, the larger the difference between expected and observed frequencies, the more likely you are to reject the null hypothesis. The null hypothesis in a chi-square analysis states that there is no significant difference between the observed frequencies and the expected frequencies.
The chi-square test is a statistical method used to determine whether there is a significant difference between the observed frequencies and the expected frequencies. The expected frequencies are calculated based on a model or hypothesis about the data. The observed frequencies are the actual values obtained from the data.
If the observed frequencies are significantly different from the expected frequencies, then it suggests that the model or hypothesis is not accurate, and the null hypothesis is rejected. This means that there is a significant difference between the observed frequencies and the expected frequencies, and the data is not just due to chance.
The level of significance for rejecting the null hypothesis is usually set at 0.05 or 0.01, depending on the study's requirements. A larger difference between the observed and expected frequencies increases the chi-square value and makes it more likely to reject the null hypothesis.
In summary, a larger difference between expected and observed frequencies indicates that there is a greater difference between the data and the model, leading to a higher likelihood of rejecting the null hypothesis.

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Answer:

0.5

Step-by-step explanation:

hope this helps

Answer:

p = 5/2w

Step-by-step explanation:

We want the ratio of pink beads to white shells

p: w

5: 2

Cross multiply

2p = 5w

Divide by 2

p = 5/2w

The answer is 29 feet of banner rope needed to reach from the rooftop to the fence pole. The car salesman needs a rope that is at least 41 feet long.


We need to find the length of the rope that goes from the rooftop to the ground. We can use the Pythagorean theorem for that. The Pythagorean theorem states that in a right triangle (like the one formed by the rooftop, the ground, and the banner rope), the sum of the squares of the two shorter sides is equal to the square of the longest side (the hypotenuse).

The two shorter sides are the distance from the rooftop to the ground (29 feet) and the distance from the fence pole to the base of the rooftop (20 feet). The longest side is the length of the banner rope we're trying to find. Let's call it x. Using the Pythagorean theorem, we get: 29^2 + 20^2 = x^2
Simplifying:
841 + 400 = x^2
1241 = x^2
Taking the square root of both sides: x = √1241
x ≈ 35.22
So the banner rope from the rooftop to the ground needs to be at least 35.22 feet long.
Next, we need to add the distance from the ground to the top of the fence pole, which is 8 feet. So the total length of the banner rope needed is: 35.22 + 8 = 43.22
Rounding up, we get that the car salesman needs a banner rope that is at least 43 feet long.

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Answer:

circumference of circle = 2π×r

here r = 7

so 2 ×22÷7 × 7

= 2×22

= 44

therefore the circumference is 44 inches

To compute the Laplace transform of the given function, we can use the linearity property of the Laplace transform and apply the transform to each term separately.

Using the Laplace transform pairs:

L{1} = 1/s

L{u(t)} = 1/(s+1)

L{e^(-6t)} = 1/(s+6)

L{cos(πt)} = s/(s^2+π^2)

Applying these transforms to the given function:

L{1 u^(5/2)(t) e^(-6t) cos(πt)} = L{1} * L{u^(5/2)(t)} * L{e^(-6t)} * L{cos(πt)}

Substituting the transform pairs:

= (1/s) * (1/(s+1)^(5/2)) * (1/(s+6)) * (s/(s^2+π^2))

Simplifying this expression, we can multiply the terms together:

= s / (s(s+1)^(5/2)(s+6)(s^2+π^2))

Therefore, the Laplace transform of the given function is:

L{1 u^(5/2)(t) e^(-6t) cos(πt)} = s / (s(s+1)^(5/2)(s+6)(s^2+π^2))

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Answer:

-----------------------------------

Vertical compression of a function by a factor of a is:

Vertical compression of a function by a factor of 5 is:

Shifting up by b units is:

If we apply both transformations we get:

Option C is correct.

a) the flash of light lasts for 40 ms. b) the current flows clockwise as the loop exits the field. c) the power dissipated in the bulb during the flash is 3.06 W.

Explanation:

a. The time duration of the flash of light can be calculated using the formula:

Δt = L/ v

where L is the perimeter of the loop and v is the velocity of the loop. The perimeter of the loop is:

L = 2(length + width) = 2(40 cm + 10 cm) = 100 cm = 1 m

Converting the velocity to m/s, we have:

v = 25 m/s

Therefore, the time duration of the flash is:

Δt = L/v = 1 m / 25 m/s = 0.04 s = 40 ms

So, the flash of light lasts for 40 ms.

b. The direction of the current flow can be determined using Lenz's law. According to Lenz's law, the direction of the induced current in a circuit is such that it opposes the change in magnetic flux that produced it.

As the loop is pulled out of the magnetic field, the flux through the loop decreases. To oppose this decrease, the induced current should produce a magnetic field in the opposite direction to that of the external field. By the right-hand rule, this means the current should flow in a clockwise direction when viewed from above the loop.

So, the current flows clockwise as the loop exits the field.

c. The power dissipated in the bulb can be calculated using the formula:

P = I^2R

where I is the current flowing through the loop and R is the resistance of the bulb. The resistance of the bulb is given as 25 ohms.

To find the current, we can use Faraday's law of electromagnetic induction, which states that the voltage induced in a circuit is equal to the rate of change of magnetic flux through the circuit. The rate of change of flux through the loop can be calculated using:

dΦ/dt = B(dA/dt)

where B is the magnetic field, A is the area of the loop, and dA/dt is the rate of change of area (which is equal to the velocity v of the loop as it exits the field).

The area of the loop is:

A = length x width = 40 cm x 10 cm = 400 cm^2 = 0.04 m^2

Converting the velocity to m/s, we have:

v = 25 m/s

So, the rate of change of area is:

dA/dt = -v x width = -25 m/s x 0.1 m = -2.5 m^2/s

Therefore, the rate of change of flux is:

dΦ/dt = B(dA/dt) = 3.5 T x (-2.5 m^2/s) = -8.75 Wb/s

The voltage induced in the circuit is equal to the rate of change of flux multiplied by the number of turns in the loop. Since there is only one turn in the loop, the induced voltage is:

V = -dΦ/dt = 8.75 V

The current flowing through the loop is:

I = V/R = 8.75 V / 25 ohms = 0.35 A

Finally, the power dissipated in the bulb is:

P = I^2R = (0.35 A)^2 x 25 ohms = 3.06 W

So, the power dissipated in the bulb during the flash is 3.06 W.

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Answer:

We can begin by simplifying each equation:

A. 52 = 8n + 4 can be rewritten as 48 = 8n or 6 = n

B. 4(2n + 1) = 52 can be simplified to 8n + 4 = 52 or 8n = 48 or 6 = n

C. 4=52-8n can be rewritten as 8n = 48 or 6 = n

D. 4n = 48 can be simplified to n = 12

Therefore, equations A, B, and C are equivalent, and equation D is not equivalent to the others.

So, the correct answers are A, B, and C.

Answer:

Step-by-step explanation:first you have to multiply then divide then add then subtract and then substitute and then you will get the answer.

Based on the properties of rectangles, the angles and the side lengths are KN = 11 and NLK = 32

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

JN = 2x + 7, LN = 6x - 1

NKJ = 58 degrees

The diagonals or a rectangle are equal

So, we have

2x + 7 = 6x - 1

Evaluate the like terms

4x = 8

Divide

x = 2

So, we have

KN = 2 * 2 + 7

KN = 11

Adjacent angles in this case add up to 90 degrees

This gives

NLK = 90 - 58

Evaluate

NLK = 32

Hence, the measure of the angle is 32 degrees

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Answer:

20

Step-by-step explanation:

I do not know how to explain it for you thanks

Answer: B. 2x + y = 10; 5 minutes

The media challenge faced in the scenario is increasing audience fragmentation.

The cost price is abbreviated as C.P.  The price at which an article is sold is known as its selling price. The selling price is abbreviated as S.P.It is a price above the cost price and includes a percentage of profit also.

The media challenge described in the scenario is increasing audience fragmentation. Audience fragmentation occurs when there are numerous media options available, and consumers have different preferences and behaviors regarding media consumption. This makes it challenging for media planners and buyers to identify the most effective media outlets to reach their target audience. In the case of Ford, their media planners and buyers had put a lot of effort into selecting the best media outlets, but still had to pull their campaign due to the challenges posed by audience fragmentation. Therefore, the media challenge faced in the scenario is increasing audience fragmentation.

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Step-by-step explanation:

Simple

Total no of marbles = 6 + 4 + 8 = 18

Probability of red marble = 6 / 18 = 1/ 3

Answer:

3/5 and 50/100

Step-by-step explanation:

changing the ratios into fractions are an easy way to check,

8/10 = 0.8

16/20 = 0.8

3/5 = 0.6

50/100 = 0.5

13/15 = ~0.8666

Answer:

i don't know btw is this eighth grade

Answer:

the rate of change is 16. 2÷32 = 16

4÷32 is 16 etc

Answer:

1X = 16Y every time the X value goes up by one it increase by 16.

Step-by-step explanation:

If you do 32/2 you will get the answer 16 and if you do 4/64 it also says 16.

The difference between (2,32) and (4,64) 64-32 is 32 4-2 is 2 and you also get 32,2 from that equation.