Aaliyah puts 42 gal of water into her fish tank . This is 60% of the total number of gallons the fish tank can hold how many total gallons of water can the fish tank hold

Answer:

Please choose me please

Step-by-step explanation:

Answer:

The sample may be biased because the 50 people were selected at a local college baseball game, which could introduce selection bias. People attending a college baseball game may have different characteristics than the general population of the city, and therefore may not be representative of the population's opinions on the issue of building a new football stadium using tax funds. Additionally, the fact that they were selected at a baseball game may also introduce bias, as they may be more likely to be interested in sports and therefore more likely to support a tax-funded stadium. Overall, the sample may not be representative of the population's views, and therefore the conclusions drawn from the sample may not be generalizable to the entire population.

x 2 + y 2 = 20

This is the form of a circle. Use this form to determine the center and radius of the circle.

( x − h ) 2 + ( y − k ) 2 = r 2

Match the values in this circle to those of the standard form. The variable r represents the radius of the circle, h represents the x-offset from the origin, and k represents the y-offset from origin.

r = 2 √ 5

h = 0

k = 0

The center of the circle is found at ( h , k )

. Center: ( 0 , 0 )

These values represent the important values for graphing and analyzing a circle.

Center: ( 0 , 0 )

Radius: 2 √ 5

A sketch of the graph of the function for a maximum of 4000 calculators is shown below.

The value of C(30) is equal to $12,710.

It cost $12,710 to produce 30 calculators.

C(0) is $11,750, which means that the fixed cost before any calculator is produced is $11,750.

The number of calculators that can be produced for $31,270 is 610 calculators.

The amount of profit that would be made if all the calculators are sold is $295,550.

In order to sketch the graph of the function on a coordinate plane, we would use an online graphing calculator to plot the given linear equation C(n) = 11,750 + 32n with a maximum of 4000 calculators.

In this scenario and exercise, the cost in dollars would be plotted on the y-axis of the graph while the number of calculators would be plotted on the x-axis of the graph.

For the value of C(30), we have:

C(n) = 11,750 + 32n

C(30) = 11,750 + 32(30)

C(30) = 11,750 + 960

C(30) = $12,710.

For the value of C(0), we have:

C(n) = 11,750 + 32n

C(0) = 11,750 + 32(0)

C(0) = 11,750 + 0

C(0) = $11,750.

This ultimately implies that, the fixed cost (y-intercept) is at (0, 11,750) and it means that the fixed cost before any calculator is produced is $11,750.

When cost is $31,270, the number of calculators can be determined as follows;

31,270 = 11,750 + 32n

32n = 31,270 - 11,750

32n = 19,520

n = 19,520/32

n = 610 calculators.

Lastly, we would determine the amount of profit as follows;

Profit = Selling price - Cost price

Profit = 2600(165) - [11,750 + 32(165) + 14,000 + 24500]

Profit = 429,000 - 133,450

Profit = $295,550.

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Answer:

The slope of the line passing through the points (1, -1) and (4, 8) is 3.

Step-by-step explanation:

The slope of a line passing through two points (x1, y1) and (x2, y2) is given by the following formula:

[tex]slope = (y2 - y1) / (x2 - x1)[/tex]

Here, the given points are (1, -1) and (4, 8). So,

[tex]slope = (8 - (-1)) / (4 - 1) = 9 / 3 = 3[/tex]

Therefore, the slope of the line passing through the points (1, -1) and (4, 8) is 3.

The sample proportion would be 0.5.we can calculate the proportion by plugging in n = 90, which yields a proportion of 0.5.

To determine what sample proportion would yield a p-value of 0.05, we must first understand the formula for calculating a p-value. The formula for a p-value is p-value = 1 - [tex](1 - proportion)^n[/tex], where n is the sample size. By manipulating this equation, we can solve for the proportion when the p-value is equal to 0.05. We can isolate the proportion by taking the inverse of both sides of the equation, which yields: proportion = 1 - [tex](1 - 0.05)^(1/n)[/tex]. Since the sample size is 90, we can calculate the proportion by plugging in n = 90, which yields a proportion of 0.5.

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The solution for the inequality is obtained as: x =>-2

In mathematics, "inequality" refers to a relationship between equations or values that is not equal to each other. Hence, inequality emerges from a lack of balance.

The given  inequality

-5x + 2 <= 12`

Subtract each side by - 2

-5x + 2 - 2 <= 12 - 2

-5x <= 10

Dive each side by -5 (it will reverse the sign)

-5x / -5 => 10/-5

x  => -2

Thus, the solution for the inequality is obtained as: x =>-2

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The probability that the waves are turbulent given that the water is cold is approximately 0.4353.

Suppose the water has a 0.51 chance of being cold and the waves have a 0.57 chance of being turbulent. In the same way, suppose that given the waves are turbulent, the water has a 0.39 chance of being cold. What is the chance that the waves are turbulent given that the water is cold?

To answer the question, we must use Bayes' theorem :P (A|B) = P (B|A) × P (A) / P (B)

Where A and B are arbitrary events. P (A) and P (B) are the probabilities of events A and B happening separately.

P (B|A) is the probability of event B happening, given that event A has happened. P (A|B) is the probability of event A happening, given that event B has happened.

We must find P (waves are turbulent | water is cold), which is P (B|A). We know that:

P (water is cold) = 0.51

P(waves are turbulent) = 0.57

P(water is cold | waves are turbulent) = 0.39

Using Bayes' theorem, we can calculate P (waves are turbulent | water is cold) as:

P (waves are turbulent | water is cold) = P (water is cold | waves are turbulent) × P (waves are turbulent) / P (water is cold)

P(waves are turbulent | water is cold) = 0.39 × 0.57 / 0.51

P (waves are turbulent | water is cold) = 0.4353 (rounded to the nearest millionth)

Therefore, the probability that the waves are turbulent given that the water is cold is approximately 0.4353.

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The 100th digit to the right of the decimal point in the decimal representation of (1 .fi.)3000 is 0.

First, let's convert the number (1 .fi.)3000 into its decimal representation. This is done by dividing 3000 by 10 raised to the power of the number of digits following the decimal point, which in this case is 3. We get the answer 1000, or 1.000.
Now, we can look at the 100th digit to the right of the decimal point. This will be the 0th digit from the right of the decimal point, which is 0. Therefore, the 100th digit to the right of the decimal point in the decimal representation of (1 .fi.)3000 is 0.

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the speed of the bus in meters per second is 8.33 m/s. If a bus travels a distance of 1 kilometer in 2 minutes, we can use the formula for speed to calculate its speed in meters per second (m/s).

The formula for speed is:

Speed = Distance ÷ Time

Here, the distance is 1 kilometer, which is equal to 1000 meters (since 1 kilometer = 1000 meters), and the time is 2 minutes, which is equal to 120 seconds (since 1 minute = 60 seconds).

So, we can plug these values into the formula:

Speed = 1000 meters ÷ 120 seconds

Simplifying this expression, we get:

Speed = 8.33 meters per second (rounded to two decimal places)

Therefore, the speed of the bus in meters per second is 8.33 m/s.

To put this into context, it's important to understand that speed is the rate at which an object moves, while velocity is the rate at which it moves in a specific direction. So, in this case, we have only calculated the speed of the bus, not its velocity. However, knowing the speed of the bus can be useful for a variety of applications, such as determining how long it will take to travel a certain distance, or calculating the fuel efficiency of the vehicle

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Answer: The probability is approximately 15.74%.

Step-by-step explanation: The probability that a worker selected at random makes between $450 and $550 can be found by standardizing the distribution of weekly wages using the formula:

z = (x - μ) / σ

where x is the weekly wage, μ is the mean weekly wage, and σ is the standard deviation of weekly wages.

Then we can use a standard normal distribution table or calculator to find the probability that a worker selected at random makes between $450 and $550.

Using this formula, we get:

z1 = (450 - 400) / 50 = 1

z2 = (550 - 400) / 50 = 3

The probability that a worker selected at random makes between $450 and $550 is equal to the probability that a standard normal random variable Z is between 1 and 3. This can be found using a standard normal distribution table or calculator.

Using a standard normal distribution table, we find that P(1 < Z < 3) = 0.1574.

Therefore, the probability that a worker selected at random makes between $450 and $550 is approximately 15.74%.

Hope this helps, and have a great day!

Answer:

Step-by-step explanation:

it is either Graph A or B pick one of them

Answer:

Graph D is correct

Step-by-step explanation:

if you choose a point, let's say 0,0 and plug in the values for x and y, you'll get

[tex]0 \leqslant - 2[/tex]

Since this equation isn't true, 0,0 can't be filled.

to choose between graphs c and d, you look at the line and because c is dotted, it means it isn't solution. because your sign is less than or equal to, the line has to be solid.

therefore, graph d is the correct answer

The walkway has a 656 square foot area.

Comparing a quantitative measurement with a recognized standard amount of some kind is the act of measurement. For instance, in the measurement 10 kg, kg is indeed the basic measure used to describe mass of a physical quantity, and 10 is the size of the physical quantity.

In order to determine the size of the walkway, we must first determine the size of the bigger rectangle that includes the yard and the walkway, from which we must then deduct the yard's area.

The dimensions of the bigger rectangle will be:

Length: 29ft + 2(4ft) = 37ft

Width: 45ft + 2(4ft) = 53ft

Hence, the larger rectangle's area is:

37ft x 53ft = 1961ft²

The yard's actual size is:

29ft x 45ft = 1305ft²

As a result, the distinction between the two sections is the size of the walkway:

1961ft² - 1305ft² = 656ft²

Hence, the walkway has a 656 square foot area.

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Answer:

Changes in light and dark.

Step-by-step explanation:

I also do K12 loll

Changes in light or dark is the environmental stimulus which is detected by flatworm's eyespots.

A sum total of all the living and non-living elements and their effects that influence human life.

Flatworm's eyespots detect changes in light or dark in the environment. They are not capable of detecting distinct shapes or a wide variety of colors.

The eyespots are simple sensory structures that are used to detect the presence or absence of light and dark, and to detect changes in light intensity.

They are primarily used to help the flatworm locate and respond to light, which can be important for activities such as finding food or avoiding predators.

Hence, changes in light or dark is the environmental stimulus which is detected by flatworm's eyespots.

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The length of the LN in the given rectangle is 33.

What is the intersection spot called?

The point of intersection is the location where two lines meet one another. If two straight lines are not parallel, they will eventually meet at some point. The meeting place of two straight lines is known as the point of intersection. The intersection location can be determined by simultaneously solving the equations for two straight lines that are passing.

In a rectangle, diagonals intersect at the right angle. The interesting point divides the lines into equal halves.

By solving the two equations, we can get the value of x.

LN = 4x-7

MO = 2x+13

Now, by equating two diagonal equations:

  4x-7 = 2x+13

⇒4x-2x = 13+7

⇒2x = 20

⇒ x = 10

The required is LN = 4x-7

                               = 4(10) - 7

                               = 40-7

                     ∴ LN  = 33

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Given how many coins are provided in the bag determines the chances for example of its a single nickel and a single quarter it'd be q50/n50 though if there's two nickels and one quarter there would be a n75/q25 chance.

The equation that represents the line passing through the point (2, -5) with a slope of -3 is y = -3x + 1 (option D).

To derive the equation of a line, we need to use the point-slope formula, which is y - y1 = m(x - x1), where m is the slope of the line and (x1, y1) is a point on the line. Plugging in the given values, we have:

y - (-5) = -3(x - 2)

Simplifying this expression, we get:

y + 5 = -3x + 6

y = -3x + 1

Thus, the equation that represents the line passing through the point (2, -5) with a slope of -3 is y = -3x + 1.

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Complete Question:

Choose the equation below that represents the line passing through the point (2, - 5) with a slope of −3.

A.) y = −3x − 13

B.) y = −3x + 11

C.) y = −3x + 13

D.) y = −3x + 1

Answer:

The answer is y = -3x + 1

The number of feet of fabric will the individual need to make 11 blankets is 79.2 feet

To find out how many feet of fabric the individual will need to make 11 blankets, we can use the unitary method.

We know that the individual used 7.2 feet of fabric to make one blanket. So, to find out how much fabric is needed to make 11 blankets, we can set up a proportion

7.2 feet of fabric is needed for 1 blanket

x feet of fabric is needed for 11 blankets

We can solve for x by cross-multiplying and then dividing

7.2 × 11 = x

x = 79.2 feet

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Therefore, the table showing the original points and their corresponding dilated points is:

Original Point     Dilated Point

(0,1)                  (0,1/2)

(4, -3)                (2, -3/2)

(-6,1)                 (-3,1/2)

I believe you might have meant "dilated point", which is a term commonly used in geometry. A dilated point is a point that has been enlarged or reduced in size with respect to a fixed center of dilation.

To dilate a point, you need to multiply its coordinates by a scale factor, which is a constant value greater than zero. If the scale factor is greater than one, the point will be enlarged, and if it is less than one, the point will be reduced in size. The fixed center of dilation is the point about which the dilated point is enlarged or reduced.

given by the question.

To apply the dilation rule of (1/2x, 1/2y) to a given point (x,y), we need to multiply the x-coordinate and y-coordinate of the original point by 1/2.

Using this rule, we can find the dilated points for the given set of points as follows:

For the point (0,1), we have:

1/2x = 1/2 * 0 = 0

1/2y = 1/2 * 1 = 1/2

So, the dilated point is (0, 1/2).

For the point (4, -3), we have:

1/2x = 1/2 * 4 = 2

1/2y = 1/2 * (-3) = -3/2

So, the dilated point is (2, -3/2).

For the point (-6,1), we have:

1/2x = 1/2 * (-6) = -3

1/2y = 1/2 * 1 = 1/2

So, the dilated point is (-3,1).

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Therefore, since a movement is set to start at T minus 80, the move will be completed at T plus 10 seconds.

The amount of rotations a shape can undergo around its center before returning to its initial position is referred to as the order of rotation in mathematics and geometry. It is also referred to as a shape's circular symmetry. A circle, for instance, has an order of rotation of infinite because it can be rotated indefinitely around its center without changing how it appears. A cube has an order of rotation of four because it will remain the same in shape whether it is rotated 90, 180, 270, or 360 degrees around its center.

given

At T minus 80 seconds, or 80 seconds prior to liftoff, the move is slated to start.

We must multiply the duration of the maneuver by the beginning time to determine the time at which it will be finished.

The move is estimated to take 1 and a half minutes. Since there are 60 seconds in a minute, we can change this to seconds by multiplying it by 60:

1 and a half minutes is equal to 1.5 minutes, 1.5 minutes multiplied by 60 seconds is equal to 90 seconds.

The move lasts 90 seconds as a result.

We multiply the duration of the move (90 seconds) by the start time (T minus 80 seconds) to determine the time at which the maneuver will be finished:

The move will be finished in T minus 80 seconds plus 90 seconds.

By adding the integers, we can make this simpler:

When the move is finished, the time will be T minus 80 seconds + 90 seconds + T plus 10 seconds.

Therefore, since a movement is set to start at T minus 80, the move will be completed at T plus 10 seconds.

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Let Y have a distribution function given by 0, Fly) = y <0 y 20.

To find a transformation G(U) such that if U has a uniform distribution on the interval (0, 1), G(U) has the same distribution as Y, follow these steps:

1. Identify the distribution function of Y:

F(y) = 0 for y < 0, and F(y) = 1 - e^(-y) for y ≥ 0.
2. Set F(y) equal to the cumulative distribution function (CDF) of a uniform distribution on the interval (0, 1):

F(y) = U.
3. Solve for y in terms of U to obtain the transformation G(U).

So, for y ≥ 0,
1 - e^(-y) = U

Now, solve for y:
e^(-y) = 1 - U
-y = ln(1 - U)
y = -ln(1 - U)

Therefore, the transformation G(U) is given by G(U) =. ln(1 - U)

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The average rate of change of f(x) from x = -3 to x = 6 is 7.

What is meant by average?

The term "average" is used to describe a number that represents the central or typical value in a set of data. There are several different types of averages, including the mean, median, and mode.

To find the average rate of change of a function, we need to compute the difference between the function values at the two given points, and then divide by the difference in the input values.

For the function [tex]f(x) = x^2 + 4x - 15[/tex], the value of the function at [tex]x = -3[/tex] is:

[tex]f(-3) = (-3)^2 + 4(-3) -15 = 9 - 12 - 15 = -18[/tex]

The value of the function at [tex]x = 6[/tex] is:

[tex]f(6) = 6^2 + 4(6) - 15 = 36 + 24 - 15 = 45[/tex]

The difference in the function values is:

[tex]f(6) - f(-3) = 45 - (-18) = 63[/tex]

The difference in the input values is:

6 - (-3) = 9

Therefore, the average rate of change of f(x) from x = -3 to x = 6 is:

average rate of change = [tex](f(6) - f(-3)) / (6 - (-3)) = 63 / 9 = 7[/tex]

So, the average rate of change of f(x) from x = -3 to x = 6 is 7.

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Applying the triangle proportionality theorem, the value of x is calculated as: D. 15.

The Triangle Proportionality Theorem (also known as the Side-Splitter Theorem) states that if a line is parallel to one side of a triangle and intersects the other two sides, then it divides those two sides proportionally

Based on the triangle proportionality theorem, we have:

x - 6 / 3 = x / 5

Cross multiply:

5(x - 6) = 3x

5x - 30 = 3x

Combine like terms to find the value of x:

5x - 3x = 30

2x = 30

x = 30/2

x = 15

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The given equation of the circle is:

[tex] \rm \: x^2 + y^2 = 20[/tex]

We can write this equation in standard form by completing the square:

[tex] \rm x^2 + y^2 = 20[/tex]

[tex] \rm x^2 + y^2 - 20 = 0[/tex]

[tex] \rm (x^2 - 2x + 1) + (y^2 - 20) = 1[/tex]

[tex] \rm (x - 1)^2 + y^2 = 21[/tex]

Therefore, the center of the circle is (1, 0) and the radius is the square root of 21.

The probability that the mean of a random sample of 52 pregnancies is less than or equal to 222 days is approximately 0.0005 (rounded to four decimal places).

Let's discuss it further below.

To solve the problem, we use the z-score formula, which is as follows:

z=(X−μ)/σX = sample mean = 222 days

μ = population mean = 226 days

σ = standard deviation of the population = 15 days

n = sample size = 52

To find the probability, we need to convert the sample mean to a z-score, which is calculated as follows:

z=(X−μ)/σ=(222−226)/(15/√52)=−4/2.096=−1.91

Now we need to find the probability that a random sample of 52 pregnancies has a mean gestation period of 222 days or less, which is equivalent to finding the probability that a z-score is less than or equal to −1.91.

Using a z-table or calculator, we find that the probability of a z-score being less than or equal to −1.91 is approximately 0.0005 (rounded to four decimal places).

Therefore, the answer is 0.0005.

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The scale factor that takes the segment of length l to the segment of length n is 2.25.

Length is a measurement of the distance between two points, usually expressed in units such as inches, feet, yards, meters, and kilometers. It is used to measure the size of objects, the distance between objects, and the length of a path or route. Length is one of the four fundamental units in the metric system, along with mass, time, and temperature.

This can be determined by a process of successive scaling. The initial segment of length l is first scaled by a factor of 1.5 to give a segment of length m. This segment is then scaled by a factor of 1.5 to give a segment of length n. Multiplying the two scaling factors together, 1.5 x 1.5, gives 2.25, which is the scale factor from the initial segment of length l to the final segment of length n.

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The scale factor that takes the segment of length l to the segment of length n is 2.25.

Length is a measurement of the distance between two points, usually expressed in units such as inches, feet, yards, meters, and kilometers. It is used to measure the size of objects, the distance between objects, and the length of a path or route. Length is one of the four fundamental units in the metric system, along with mass, time, and temperature.

This can be determined by a process of successive scaling. The initial segment of length l is first scaled by a factor of 1.5 to give a segment of length m. This segment is then scaled by a factor of 1.5 to give a segment of length n. Multiplying the two scaling factors together, 1.5 x 1.5, gives 2.25, which is the scale factor from the initial segment of length l to the final segment of length n.

To calculate the scale factor that takes the segment of length l to the segment of length n, the following formula can be used:
n = (1.5)²×l
Therefore, the scale factor is (1.5)² = 2.25. This means that the segment of length l needs to be scaled by a factor of 2.25 in order to produce the segment of length n.

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Answer: A = bh

Step-by-step explanation

Area of a parallelogram is base multiplied by the height .

There are 24 different ways that the participant can sort the four ice cream samples.

Since the participant is given 4 different ice cream samples, there are 4 ways in which they can place their first preference. Once they have chosen their favorite ice cream sample, there are 3 remaining options for their second preference. Similarly, there are 2 options for their third preference, and only one option for their least favorite ice cream sample. Here we have to use the principle of counting

Therefore, the number of ways the participant can sort the ice cream samples based on preference is

4 x 3 x 2 x 1 = 24

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the parameter and obtain the standard form of the rectangular equation would be: [tex]\frac{y-k}{r} = sin\theta.................(2)\\\\[/tex]

[tex]x=h+rcos\theta ,y=k+rsin\theta\\x-h=rcos\theta\\\frac{x-h}{r}=cos\theta...................(1)y=k+rsin\thetay-k=rsin\theta[/tex]

[tex]\frac{y-k}{r} = sin\theta.................(2)\\\\[/tex]

square and add both the equations

[tex]\frac{(x-h)^2}{(r^2)} + \frac{(y-k)^2}{(r^2)} = sin^2\s\theta + cos^2\s\theta\\\\\frac{(x-h)^{2}}{r^{2}}+\frac{(y-k)^{2}}{r^{2}}=1\\\\ the value of (sin^{2}\theta+cos^{2}\theta=1)\\\\(x-h)^{2}+(y-k)^{2}=r^{2}[/tex]

The overall rectangular (or standard) form of the perplexing numbers is a + b I. We can change over complex numbers in rectangular form, by tracking down r = a 2 + b 2 and θ = tan − 1 ⁡.

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Answer:

no solution

Step-by-step explanation:

2x - 6 = 2x + 6 ( add 6 to both sides )

2x = 2x + 12 ( subtract 2x from both sides )

0 = 12 ← false statement

this false statement indicates the equation has no solution