Help please I really need it thanks

Answer:

38.461538

Step-by-step explanation:

Answer:

I think its 16 or 32

Step-by-step explanation:

Take a gamble lol sorry im not much help you have a 50 50 chance of getting it right. In the comments tell people what it is.

Answer:

I just did this, it was 16

Step-by-step explanation:

Answer:  The number of road kills of cliff swallows observed over time could be attributed to several factors.

Step-by-step explanation:

One possible explanation could be that the cliff swallows have adapted their nesting behavior to avoid road traffic. As the number of road kills increased over the years, the birds may have learned to build their nests in safer locations, away from highways and busy roads. This would result in fewer cliff swallows being hit by cars.

Another possible explanation could be that there are fewer cliff swallows nesting under highway overpasses than there were in the past. This could be due to changes in the environment or the availability of suitable nesting sites. For example, if the area surrounding the highway overpasses has become more developed or urbanized, there may be fewer natural nesting sites available for the birds.

Additionally, it is possible that changes in the behavior of drivers may have contributed to the decline in road kills. Over time, drivers may have become more aware of the presence of cliff swallows on the roadways and may be taking extra precautions to avoid hitting them.

Overall, the decline in the number of road kills observed over time could be due to a combination of these and other factors. Further research and analysis would be needed to fully understand the causes of this trend.

Answer:

the answer is c

Step-by-step explanation:

Answer:

  (c)  20%

Step-by-step explanation:

You want the percent error in an estimate of 240, when the actual count was 200.

The percent error can be found by ...

  error = (estimate/actual -1) × 100%

  error = (240/200 -1) × 100%

  error = (1.2 -1) × 100% = 20%

The error in the estimate was 20%.

<95141404393>

The measure of Hypotenuse using Pythagoras' theorem is 5.3 cm.

Pythagoras' theorem states that in a right-angled triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides' lengths.

From the figure,

Perpendicular = 4.2 m

Base = 4 m

Using Pythagoras' theorem

H² = P² + B²

H² = 4.2² + 4²

H² = 17.64 + 16

H² = 33.64

Taking the square root gives

H= 5.3 cm

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Answer:

1 litre weighs 0.8 Kg

Step-by-step explanation:

the weight of gasoline in the can = 11.4 - 1.8 = 9.6 Kg

that is weight of can + gasoline - weight of empty can

\(\frac{2}{3}\) of 18 = \(\frac{2}{3}\) × 18 = 2 × 6 = 12 litres

12 litres weighs 9.6 Kg , then

1 litre weighs 9.6 Kg ÷ 12 = 0.8 Kg = 0.8 × 1000 = 800 g

74. 94×10³= 74940 because the number 10³ has zeros when it is written without an exponent.

Using scientific notation, it's found that the number in standard notation is represented by:

74. 94 × 10³= 74940

Using scientific notation, you can write extremely large or extremely small numbers. When a number between 1 and 10 is multiplied by a power of 10, the result is expressed in scientific notation as variety.

Scientific notation for the following number is:

\(a \times 10^{b}\)

In this problem, the amount is given by:

= 74. 94 × 10³

Hence, applying the multiplication, we have that:

74. 94 × 10³ = 74. 94 × 1000 = 74940

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The measure of an inscribed angle with the center of the circle in the interior of the angle is half the measure of its intercepted arc.

According to Corollary 2 of the Inscribed Angle Theorem, when an angle is inscribed in a circle and the center of the circle lies in the interior of the angle, the measure of the inscribed angle is half the measure of its intercepted arc.

In other words, if we have a circle and an angle formed by two intersecting chords or secants, and the center of the circle is located within the angle, then the measure of the inscribed angle is equal to half the measure of the arc intercepted by the angle.

This corollary is a useful property that helps establish a relationship between inscribed angles and their intercepted arcs in a circle. It allows us to determine the measure of an inscribed angle by considering the corresponding intercepted arc, and vice versa.

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The child advocate collects data by randomly selecting 4 out of the 25 state orphanages. In each of the four selected orphanages, the child advocate surveys every child.

This approach allows the child advocate to obtain information from a representative sample of children in state orphanages. By surveying every child in the selected orphanages, the child advocate ensures that no child is excluded from the data collection process. This method provides a comprehensive understanding of the experiences, needs, and concerns of the children in the four chosen orphanages.

By collecting data in this manner, the child advocate can gather valuable insights that can inform policies and interventions to improve the well-being and support for children in state orphanages.

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To calculate the integral over the given region using polar coordinates, we need to express the function and the region boundaries in terms of polar coordinates.

For the function f(x, y) = y, we can rewrite it in polar coordinates as f(r, θ) = r*sin(θ), where r represents the radius and θ represents the angle.

Now, let's consider the region boundaries:

1. The condition x^2 + y^2 ≤ 1 represents the unit circle centered at the origin (0, 0) in Cartesian coordinates. In polar coordinates, this condition becomes r ≤ 1.

2. The condition (x - 1)^2 + y^2 ≤ 1 represents a circle centered at (1, 0) with radius 1 in Cartesian coordinates. In polar coordinates, we can shift the center by 1 unit to the right, so the condition becomes (r*cos(θ) - 1)^2 + (r*sin(θ))^2 ≤ 1.

To find the limits of integration, we need to determine the values of θ and r that define the region of interest.

1. For the radius r, it ranges from 0 to 1, as it represents the region within the unit circle.

2. For the angle θ, we need to find the intersection points between the two circles defined by the conditions. Setting the equations equal to each other, we have:

  r^2*sin^2(θ) = 1 - (r*cos(θ) - 1)^2 - (r*sin(θ))^2

  r^2*sin^2(θ) = 1 - r^2*cos^2(θ) + 2*r*cos(θ) - 1 - r^2*sin^2(θ)

  2*r^2*sin^2(θ) = - r^2*cos^2(θ) + 2*r*cos(θ)

  2*r*sin^2(θ) = - r*cos^2(θ) + 2*cos(θ)

  2*r*sin^2(θ) + r*cos^2(θ) - 2*cos(θ) = 0

  Solving this equation is a bit complex, but we can approximate the values of θ that satisfy the equation using numerical methods or a graphing calculator. Let's assume the approximate values are θ1 and θ2.

Therefore, the integral over the given region can be expressed as:

∫∫[R] f(r, θ) * r dr dθ

Where R represents the region defined by the To calculate the integral over the given region using polar coordinates, we need to express the function and the region boundaries in terms of polar coordinates.

For the function f(x, y) = y, we can rewrite it in polar coordinates as f(r, θ) = r*sin(θ), where r represents the radius and θ represents the angle.

Now, let's consider the region boundaries:

1. The condition x^2 + y^2 ≤ 1 represents the unit circle centered at the origin (0, 0) in Cartesian coordinates. In polar coordinates, this condition becomes r ≤ 1.

2. The condition (x - 1)^2 + y^2 ≤ 1 represents a circle centered at (1, 0) with radius 1 in Cartesian coordinates. In polar coordinates, we can shift the center by 1 unit to the right, so the condition becomes (r*cos(θ) - 1)^2 + (r*sin(θ))^2 ≤ 1.

To find the limits of integration, we need to determine the values of θ and r that define the region of interest.

1. For the radius r, it ranges from 0 to 1, as it represents the region within the unit circle.

2. For the angle θ, we need to find the intersection points between the two circles defined by the conditions. Setting the equations equal to each other, we have:

  r^2*sin^2(θ) = 1 - (r*cos(θ) - 1)^2 - (r*sin(θ))^2

  r^2*sin^2(θ) = 1 - r^2*cos^2(θ) + 2*r*cos(θ) - 1 - r^2*sin^2(θ)

  2*r^2*sin^2(θ) = - r^2*cos^2(θ) + 2*r*cos(θ)

  2*r*sin^2(θ) = - r*cos^2(θ) + 2*cos(θ)

  2*r*sin^2(θ) + r*cos^2(θ) - 2*cos(θ) = 0

  Solving this equation is a bit complex, but we can approximate the values of θ that satisfy the equation using numerical methods or a graphing calculator. Let's assume the approximate values are θ1 and θ2.

Therefore, the integral over the given region can be expressed as:

∫∫[R] f(r, θ) * r dr dθ

Where R represents the region defined by the limits of integration: 0 ≤ r ≤ 1 and θ1 ≤ θ ≤ θ2.

Please note that finding the exact values of θ1 and θ2 requires solving the equation more precisely, and it may not have simple closed-form solutions. of integration: 0 ≤ r ≤ 1 and θ1 ≤ θ ≤ θ2.

Please note that finding the exact values of θ1 and θ2 requires solving the equation more precisely, and it may not have simple closed-form solutions.

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0.003 is the probability that the number of calls among the 25 that involve a fax transmission exceeds the expected number by more than 2 standard deviations

To calculate the probability that the number of calls among the 25 that involve a fax transmission exceeds the expected number by more than 2 standard deviations.The mean is the expected number of calls involving a fax transmission, while the standard deviation is the measure of variability in the distribution. We then use this information to calculate the probability of exceeding the expected number by more than 2 standard deviations, which can be done using the z-score formula. The z-score for values more than 2 standard deviations away from the mean is 2.33, which corresponds to a probability of 0.003. Thus, the probability that the number of calls among the 25 that involve a fax transmission exceeds the expected number by more than 2 standard deviations is 0.003.

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From Joey's first 14 quiz grades in a marking period, the mean of Joey's quiz grades is approximately 82.857.

To calculate the mean of a set of numbers, you sum up all the numbers and divide the sum by the total count of numbers. In this case, we have Joey's first 14 quiz grades: 86, 84, 91, 75, 78, 80, 74, 87, 76, 96, 82, 90, 98, and 93.

Using the formula, we add up all the grades:

86 + 84 + 91 + 75 + 78 + 80 + 74 + 87 + 76 + 96 + 82 + 90 + 98 + 93 = 1160.

Next, we divide the sum by the total count of grades (14):

1160 / 14 = 82.857.

To check this result using "I-Var Stats" on a calculator, enter the grades into a list and use the statistical function to calculate the mean.

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The speed of the water wave is 2.0 meters per second.

The speed of a wave is calculated by dividing the distance traveled by the time it takes to travel that distance. In this case, the distance traveled by the water wave is 10.0 meters, and the time taken is 5.0 seconds.

To determine the speed, we use the formula:

Speed = Distance / Time

Substituting the given values, we have:

Speed = 10.0 meters / 5.0 seconds = 2.0 meters per second

Therefore, from the given information, we can determine that the speed of the water wave is 2.0 meters per second.

This information about the speed of the water wave is useful for various purposes. It allows us to understand how quickly the wave is propagating through the medium. It also helps in analyzing wave behavior, such as interference, reflection, or refraction, and studying the characteristics of the medium through which the wave is traveling. Additionally, the speed of the wave can be used in calculations involving wave frequencies, wavelengths, and periods.

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Step-by-step explanation:

2.5<x<8.0???????????

Answer:

5.5 < x < 10.5

Step-by-step explanation:

Given 2 sides of a triangle then the third side x is in the range

difference of 2 sides < x < sum of 2 sides , that is

8 - 2.5 < x < 8 + 2.5

5.5 < x < 10.5

Using visual interpretation of the plot trend, the scatter plot shows positive correlation.

A positive correlation is depicted by a positive slope or trend line on a scatter plot. The trend of the scatter plot slopes upward which establishes a positive association.

If the slope is otherwise negative, such that the trend line slopes downward, then we have a negative association or relationship.

Therefore, the scatter plot shows positive relationship.

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Answer:

b

Step-by-step explanation:

i just answered it

Answer:

D

I can suggest some insight how to analyze this type of problem...

1) the y intercept has to be 1... they all are so no help

2) the slope is negative, they all are so no help

3) the sign is ≥ so the "fill" goes up ... A or D

4) the ≥ means that the line has to be SOLID not a dash ONLY D left.

Step-by-step explanation:

The probability that the next person will purchase no costume is 36% to the nearest whole number.

We have,

To express the probability that the next person will purchase no costume as a percent to the nearest whole number, we need to use the total number of visitors to the website as the denominator and the number of visitors who purchased no costume as the numerator.

The total number of visitors to the website is:

168 + 252 + 47 = 467

The number of visitors who purchased no costume is 168.

So the probability that the next person will purchase no costume is:

168/467 = 0.3609

To express this as a percent, we multiply by 100:

0.3609 × 100

= 36.09

Rounding this to the nearest whole number, we get:

36%

Therefore,

The probability that the next person will purchase no costume is 36% to the nearest whole number.

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Answer: A is 70 B is 45 and C is 50

Step-by-step explanation:

Answer:

brainliest???

add me on snap:    bella.exwo

and insta:   nbsbellaaaaaa

there are 6 a's in it ^

aweee thank youu

i hope you have an amazing day and much love!!!!  mwah

Answer

t = 6

Explanation

We are asked to solve the equation

3t - 6 = 12

Add 6 to both sides

3t - 6 + 6 = 12 + 6

3t = 18

Divide both sides by 3

(3t/3) = (18/3)

t = 6

Hope this Helps!!!

Simplifying

Reorder the terms:

Solving

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '6' to each side of the equation.

Combine like terms: -6 + 6 = 0

Combine like terms: 12 + 6 = 18

Divide each side by '3'.

Simplifying

The program calculates the percentage of doubles and displays the result in the Serial Monitor when power is applied to the Arduino.

To write a script that runs through a loop 10,000 times to estimate the probability of rolling doubles with two dice using Arduino, one can follow the below steps:

Define variables and initialize the random seed.

The variables required are `dice1`, `dice2`, `count`, `total`, and `percentage`.The `randomSeed()` function is used to initialize the random number generator.

In the `setup()` function, the function `Serial.begin()` is used to initiate the Serial Monitor with a baud rate of 9600.```
int dice1, dice2, count = 0, total = 0;
float percentage = 0.0;
void setup() {
 Serial.begin(9600);
 randomSeed(analogRead(0));
}

The `for` loop runs for 10,000 times and generates random numbers between 1 and 6, representing each dice.```
for (int i = 1; i <= 10000; i++) {
 dice1 = random(1, 7);
 dice2 = random(1, 7);

If both dice have the same number, increment the count by 1.```
 if (dice1 == dice2) {
   count++;

Add 1 to the total irrespective of whether it's a double or not.```total++;
}

After the loop, calculate the percentage of doubles and print the result to the Serial Monitor.

percentage = (count / float(total)) * 100;
Serial.print("Percentage of doubles: ");
Serial.print(percentage);
Serial.println("%");

The final program would look like this:```int dice1, dice2, count = 0, total = 0;
float percentage = 0.0;
void setup() {
 Serial.begin(9600);
 randomSeed(analogRead(0));
}
void loop() {
 for (int i = 1; i <= 10000; i++) {
   dice1 = random(1, 7);
   dice2 = random(1, 7);
   if (dice1 == dice2) {
     count++;
   }
   total++;
 }
 percentage = (count / float(total)) * 100;
 Serial.print("Percentage of doubles: ");
 Serial.print(percentage);
 Serial.println("%");
 while (true) {}
}

The `while (true)` loop at the end is used to keep the program running and displaying the result in the Serial Monitor.

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The greatest possible value of $xy$ is $17\times5=\boxed{85}$. To get the greatest possible value of $xy$, we need to maximize the values of $x$ and $y$. We can start by rearranging the equation $5x+3y=100$ to solve for one of the variables in terms of the other:

$5x+3y=100 \implies 5x=100-3y \implies x=\frac{100-3y}{5}$
Since $x$ must be a positive integer, $100-3y$ must be divisible by 5. The largest multiple of 3 less than 100 is 99, so we can try values of $y$ starting from 1 and working up to 33 (because if $y\geq34$, then $5x\leq0$, which is not positive).
When $y=1$, we get $x=\frac{100-3}{5} = 19.4$, which is not an integer.
When $y=2$, we get $x=\frac{100-6}{5} = 18.8$, which is also not an integer.
When $y=3$, we get $x=\frac{100-9}{5} = 18.2$, still not an integer.
When $y=4$, we get $x=\frac{100-12}{5} = 17.6$, still not an integer.
When $y=5$, we get $x=\frac{100-15}{5} = 17$, which is an integer.
From here, we can continue to increase $y$ and see that the values of $x$ will only decrease. Thus, the greatest possible value of $x$ is 17 and the corresponding value of $y$ is 5.

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Answer:

1. 1/7

2. 1/5

3. 5/7

4. 5/6

5. 1/3

6. 2/5

7. 2/3

8. 3/7

9. 1/10

10. 4/7

Step-by-step explanation:

Hope this helps!

Answer:

2/14 =  1/7

3/15  =  1/5

25/35  =   7/5

20/24   =   5/6

6/18  =   1/3

8/20  =    2/5

10/15  =    2/3

6/14  =      3/7

4/40  =    1/10

20/35 =  4/7

Step-by-step explanation:

The price of the share 3 years later, given the increase in value can be found to be $ 43. 29

The value of the Southside stock sold was $ 37 in the current age. Three years later, this value had increased by 17 %.

This means that the price of the share 3 years later would be:

= Share price currently x ( 1 + increase in value)

= 37 x ( 1 + 17 % )

= 37 x 1. 17

= $ 43. 29

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The given fractions have equal value, so Liam is correct.

Equivalent fractions are defined as fractions that have different numerators and denominators but the same value. For example, 2/4 and 3/6 are equivalent fractions because they are both equal to 1/2. A fraction is part of a whole. Equivalent fractions represent the same part of a whole.  

Liam is claiming that the fraction -(5/12) is equivalent to 5/-12.

Thus, we can say that:

The fraction  -(5/12) can be described as the opposite of a positive number divided by a positive number. A positive number divided by a positive number always results in a positive quotient and its' opposite is always negative.

The fraction 5/-12 can be described as a positive number divided by a negative number which always results in a negative quotient

The fractions have equal value, so Liam is correct

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The given solution by the previous solver was not correct as all sections of the excel sheet must be filled out to complete the sheet accurately. The solution by the previous solver presented an incorrect cost as Excel rejected the 1.2234 unity cost.

The numbers with decimals at the end were also incorrect as they were too long (27,751.59). An Excel worksheet is a collection of cells with various properties such as content, size, color, and formulae. It is a table that contains rows and columns of data that can be manipulated to generate meaningful results. It is used to organize, sort, and manipulate data in a meaningful way. The unity cost was presented as 1.2234 by the first solver but Excel rejected it because it has too many decimal places.

Excel considers only two decimal places in monetary values, therefore the correct value should have been 1.22. In addition, Excel also accepts monetary values with commas (,), but they should not be used as the decimal separator. A period (.) should be used instead. Thus, the value of 27,751.59 is invalid and should be corrected to 27.75. This will ensure that the Excel sheet is completed correctly and accurately. In conclusion, it is essential that all sections of an Excel sheet are completed correctly and accurately. It is also important to note that Excel has certain requirements for the correct formatting of monetary values. Commas are used as a separator for thousands, millions, and billions. The previous solver did not meet these requirements and hence presented an incorrect solution. To avoid such errors, it is always advisable to double-check the sheet before submitting it.

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The equation satisfied by the set of all points in R^2, including (-1,1), and having the property of a unique tangent line with stable x^2y^2 at each point is given by x^2 - y^2 = 1.

Let's consider the property of a unique tangent line with stable x^2y^2. This property suggests that at each point (x, y) in the set, the slope of the tangent line should be uniquely determined by the value of x^2y^2.

The equation x^2 - y^2 = 1 satisfies this condition.

1. Start with the equation x^2 - y^2 = 1.

2. Take the derivative of both sides with respect to x. This gives us:

  2x - 2y * (dy/dx) = 0.

3. Solve the above equation for dy/dx to find the slope of the tangent line:

  dy/dx = x / y.

Now, let's analyze the equation dy/dx = x / y. We can observe that the slope dy/dx is uniquely determined by the ratio x/y, which depends only on the point (x, y) and is stable for each point in the set.

Therefore, the equation x^2 - y^2 = 1 satisfies the condition of having a unique tangent line with stable x^2y^2 at each point (x, y) in the set, including the point (-1, 1).

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