What is the probability that the dart does not hit a point in the circle

The radius is 4. I can't figure out what to do for this and pls make your explanation simple i got ADHD lol

The surface area of the cylinders are: 7794 square units, 904.9 square units,  12804 square units

recall that a cylinder is a three-dimensional solid with two parallel circular bases joined by a curved surface at a fixed distance from the center.  It is considered a prism with a circle as its base and is a combination of two circles and a rectangle

the general formula for the surface area of a cylinder is

SA = 2пr(r+h)

1  SA =2*22/7*20 (20+42)

125.7(62)

SA = 7794 square units

2) SA = 2пr(r+h)

Sssurface rea = 2*3.142*9(9+7)

Surface area = 56.6(16)

Surface area = 904.9 square units

3)   SA = 2пr(r+h)

surface area = 2*3.142*21(21+76)

Surface area = 132(97)

Surface area = 12804 square units

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Hi!1200 centimetres are equal to 12 meters.

Answer:

1200cm

Step-by-step explanation:

1m = 100cm

12m = 1200cm

Dilation is a transformation that changes the size of a shape.

The coordinates of point S" is: \((-\frac{3}{2},\frac{9}{2})\)

The transformation rule is given as:

\(D_0,_\frac{3}{2}(x,y)*D_0,_\frac{1}{2} (x,y)\)

This above rule means that:

From the complete question, the coordinate of S is:

\(S=(-2,6)\)

Apply the first transformation; i.e. multiply S by 3/2

So, we have:

\(S'=(-3,9)\)

Apply the next transformation; i.e. multiply S' by 1/2

So, we have:

\(S''=(-\frac{3}{2},\frac{9}{2})\)

Hence, the coordinates of point S" is:

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The vector field F(x, y, z) = eyzi + xzeyzj + xyeyzk is conservative, and a potential function f is f(x, y, z) = xeyzi + xy²ezj + xyzek + C

How to determine vector field?

To determine if a vector field is conservative, we need to check if its curl is zero. If the curl is zero, it implies that the vector field can be expressed as the gradient of a scalar function.

Taking the curl of F, we have:

curl(F) = (∂F₃/∂y - ∂F₂/∂z)i + (∂F₁/∂z - ∂F₃/∂x)j + (∂F₂/∂x - ∂F₁/∂y)k

Evaluating the partial derivatives, we get:

curl(F) = (z - z) i + (x - x) j + (y - y) k

= 0

Since the curl of F is zero, the vector field F is conservative. We can find a potential function f by integrating each component of F with respect to its respective variable:

f(x, y, z) = ∫eyzi dx = xeyzi + g₁(y, z)

∫xzeyzj dy = xy²ezj + g₂(x, z)

∫xyeyzk dz = xyzek + g₃(x, y)

Here, g₁, g₂, and g₃ are arbitrary functions of the remaining variables. Combining these results, we obtain the potential function:

f(x, y, z) = xeyzi + xy²ezj + xyzek + C

Where C is the constant of integration. Therefore, a potential function f exists for the given vector field F, and it is given by f(x, y, z) = xeyzi + xy²ezj + xyzek + C.

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Answer:

basically the opposite

Step-by-step explanation:

its inverted therefore find out how to get c b a and boom

Dani collecting rainwater in a 1 litre jug. So much water did Dani collect on Wedneday is 530 ml.

These are the specified parameters:

Monday = 220 ml

Tuesday = 1/4 litre

Wednesday = 0.1 litre

Fill the jug = 1 liter

A lot of water that has not been collected

= Fill the jug - (monday + tuesday + wednesday)

= 1 litre - (220 ml + 1/4 litre + 0.1 litre)

= (1 × 1000) ml - (220 ml + (1/4 × 1000) ml + (0.1 × 1000) ml)

= 1000 ml - (220 ml + 250 ml + 100 ml)

= 1000 ml - 570 ml

= 430 ml

Much water did Dani collect on Wedneday

= 0.1 litre + 430 ml

= 100 ml + 430 ml

= 530 ml

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Answer:

20

Step-by-step explanation:

A=a+b

2h=6+2

2·5=20

Answer:

16.4

Step-by-step explanation:

Separate it into a triangle and a rectangle.

The rectangle will be 2, 5 and the triangle will be 4, 5, and x with a right angle.

The area of the rectangle section is 10, and the area of the triangle is 6.4.

6.4 + 10 = 16.4.

Answer:

-3 ⅛

Step-by-step explanation:

The appropriate range for the p-value is 0.01 < p-value ≤ 0.05. The appropriate range for the p-value is 0.001 < p-value ≤ 0.01.

A P-value of 0.01 implies that, if the null hypothesis is true, any difference in the observed results (or an even greater "more extreme" difference) would occur 1 in 100 (or 1%) of the times the study was repeated. The P-value just provides this information.

The chi-square statistic is the test statistic used to determine if two categorical variables are independent. The equation is:

χ² = Σ[(O - E)²/ E]

Using the data from the table, we get:

χ² = [(111 - 185.3)² / 185.3] + [(402 - 327.7)² / 327.7] + [(74 - 99.7)²/ 99.7] + [(441 - 515.3)² / 515.3] = 16.65

We discover that 6.63 is the essential value. We reject the null hypothesis since our test-statistic of 16.65 is higher than the crucial value.

For the additional hypotheses:

(a) H0: Pr{pain|B} ≤ Pr{pain|A} Ha: Pr{pain|B} > Pr{pain|A}

The appropriate range for the p-value is 0.01 < p-value ≤ 0.05.

(b) H0: Pr{pain|B} ≥ Pr{pain|A} Ha: Pr{pain|B} < Pr{pain|A}

The appropriate range for the p-value is 0.001 < p-value ≤ 0.01.

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Answer:

A. 150

Step-by-step explanation:

Calculate the probability of landing on an odd number: 1/2.

Multiply the probability by the number of trials: (1/2) * 300.

Simplify the expression: 150.

Therefore, a reasonable prediction is that the event of landing on an odd number will occur 150 times out of the 300 rolls of the fair 6-sided die.

Answer:

Step-by-step explanation:

I'm not sure but it might be because, while not in a vapor state yet, the molecules are moving faster as they get hotter and are getting closer to being a gas.  Because they aren't vibrating in place anymore, they will need more room to more around.  Again, I'm not positive but I think that this might work.

Using a standard normal distribution table or calculator, the probability (percent) of a z-score less than 1.415 is approximately 92.18%.

a) To find the percent of SAT verbal scores less than 700, we need to calculate the z-score: (700 - 516) / 130 ≈ 1.415.

Using a standard normal distribution table or calculator, the probability (percent) of a z-score less than 1.415 is approximately 92.18%.

b) To determine the number of scores greater than 575, we first find the z-score: (575 - 516) / 130 ≈ 0.453.

Using a standard normal distribution table or calculator, the probability of a z-score greater than 0.453 is approximately 1 - 0.675 = 0.325.

With 1000 randomly selected scores, about 325 (0.325 * 1000) would be expected to be greater than 575.

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The standard error of the sampling distribution of sample proportions for samples of size n is sqrt[p × (1-p)/n]

The standard error of the sampling distribution of sample proportions is a measure of the variability of sample proportions that would be obtained if multiple samples of the same size were taken from the same population. It is calculated as the square root of the product of the sample proportion and its complement, divided by the sample size. Mathematically, the formula is

SE = sqrt(p × (1 - p) / n)

where SE is the standard error, p is the sample proportion, and n is the sample size.

In this scenario, we know that 80% of gamers own a dedicated video game console. Let's assume that the marketing team takes multiple random samples of gamers to estimate the proportion of gamers who own the latest video game console. If the sample size is different for each sample, the sample proportions obtained from each sample will vary due to random sampling error. The standard error will provide a measure of how much this variability is likely to be.

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Answer:

it's c

Can i be the brainlest?

Answer:

A) The volume of the cylinder is 1017.9 in³.

B) The volume of the enlarged cylinder is 27,482.7 in³.

Step-by-step explanation:

The radius of the cylinder is r = 6 in and the height is h = 9 in.

The volume of a cylinder can be found using the formula:

Substitute r = 6 and h = 9 into the formula.

The volume of the cylinder is 1017.876 in³.

If the cylinder is enlarged by a factor of 3, this means that each dimension is getting increased by 3.

Therefore, we need to multiply the original volume by a factor of three cubed; 3³.

The volume of the enlarged cylinder is 27,482.652 in³.

An angle drawn in standard position measuring 10 radians has its terminal ray lying in the third quadrant. The reasoning behind this can be explained by understanding the relationship between the angle measurement and the quadrants in the coordinate plane.

In the standard position, an angle is drawn with its initial side along the positive x-axis and its terminal side determined by the angle measurement. In the coordinate plane, the quadrants are divided into four sections: first quadrant (positive x and y), second quadrant (negative x, positive y), third quadrant (negative x and y), and fourth quadrant (positive x, negative y).

In this case, the angle measures 10 radians, which is greater than π radians (approximately 3.14). Since π radians is half of a circle (180 degrees) and represents the boundary between the second and third quadrants, an angle measuring 10 radians is greater than π and thus falls in the third quadrant.

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Answer:

C) log 10.000=a,5%4%4(1):53))?/

Answer:

c

log 10,000 = 4

Step-by-step explanation:

got it right on the test

Nellie has 62 pieces of candy,

62x3=186

186+62=248

You will need amount of 1.5 cups of butter if you plan to use 3 cups of flour in your recipe.

To calculate how much butter is needed for 3 cups of flour in a recipe, start by identifying that the recipe requires a ratio of 1 cup of butter for every 2 cups of flour. To get the amount of butter needed for 3 cups of flour, multiply 1 cup of butter by 1.5. This will give you 1.5 cups of butter, which is the amount needed for 3 cups of flour.  Therefore, you will need 1.5 cups of butter if you plan to use 3 cups of flour in your recipe.  To ensure accuracy, it is recommended to measure the ingredients carefully and double check your calculations before proceeding.

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The plumber bought 10 pieces of copper pipe and 6 pieces of plastic pipe. Let's start by assigning variables to the unknown quantities.

- Let's call the number of copper pipes that the plumber bought "c". Let's call the number of plastic pipes that the plumber bought "p".

We can then use this information to set up two equations:
- The total number of pipes bought is 16:

c + p = 16

- The total length of the pipes bought is 40 meters:

7c + 1p = 40

Now we have two equations with two variables, which we can solve using algebra.

First, let's solve for one of the variables in terms of the other. We'll use the first equation:

c + p = 16

c = 16 - p

Now we can substitute this expression for "c" into the second equation:

7c + 1p = 40

7(16 - p) + p = 40

112 - 6p = 40

-6p = -72

p = 12

So the plumber bought 12 pieces of plastic pipe. We can substitute this value back into our expression for "c":

c = 16 - p

c = 16 - 12

c = 4

So the plumber bought 4 pieces of copper pipe.

To check our answer, we can verify that the total length of the pipes is indeed 40 meters:

7c + 1p = 7(4) + 1(12) = 28 + 12 = 40

So our solution of 4 copper pipes and 12 plastic pipes is correct.

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Answer:

x-17/2

Step-by-step explanation:

here, we can set the number to x

the question is asking for 2(x-7)=3

let's solve this by distributing

2x-14=3

2x=17

x=17/2

Answer: 2 (x - 7) = 3

Use the distributive property: 2x - 14 = 3

2x - 14 = 3 + 14

2x = 17

2x/2 = 17/2

x = 8.5

Answer:

Therefore, the elevation of the car on the stretch of road, rounded to the nearest tenth, is approximately 29.7 meters.

Step-by-step explanation:

To find the elevation of the car on a stretch of road that extends horizontally 125 meters, we can use trigonometry.

Given:

Angle of the road = 13°

Horizontal distance = 125 meters

We can use the tangent function to calculate the elevation:

tan(angle) = opposite / adjacent

In this case, the opposite side represents the elevation, and the adjacent side represents the horizontal distance.

Let's denote the elevation as "e". The equation becomes:

tan(13°) = e / 125

To solve for "e", we can rearrange the equation:

e = 125 * tan(13°)

Using a calculator, we can evaluate this expression:

e ≈ 125 * tan(13°) ≈ 29.7

The proportion of vehicles travelling less than 50 mph is 0.1587, as it is the area under the normal curve from 0 to 50 mph.

The speed of vehicles travelling along a stretch of I-10 is assumed to have an approximately normal distribution with a mean of 71 mph and a standard deviation of 8 mph. This means that the majority of vehicles will travel at speeds close to the mean, with fewer vehicles travelling at speeds significantly above or below the mean. To calculate the proportion of vehicles travelling less than 50 mph, we must calculate the area under the normal curve from 0 mph to 50 mph. This is done using a z-score, which is calculated by subtracting the mean from the value and dividing by the standard deviation. In this case, the z-score for 50 mph is -1.375. The area under the normal curve from 0 mph to -1.375 is 0.1587, which is the proportion of vehicles travelling less than 50 mph.

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Answer:

x-1+1<15; this gonna be x<15 and 1x-1+1>15 this is gonna be the same

Step-by-step explanation:

Answer:

(3, 6)

Step-by-step explanation:

(x1, y1) and (x2, y2)

x2 - x1, y2 - y1

(x*, x*)

(2, 1) and (5, 7)

5 - 2, 7 - 1

(3, 6)

The value of X = 25.

Solution:

The two equations are

(i) the first condition is difference of x and y is 14

x - y = 14 ---------equation 1

(ii) the second condition of the given data is value of x is 3 times more than two times of y value.

x - 2y = 3 --------equation 2

From equation 2, we have to separate two variables x and y,

x = 3 + 2y  --------equation 3

We have to Substitute equation 3 in equation 1

3 + 2y - y = 14

3 + y = 14

y = 14 - 3

y = 11

Substitute y = 11 in equation 1........

x - 11 = 14

x = 14 + 11

x = 25

So, the value of x is 25 and y is 11.

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Answer:

Step-by-step explanation:

Given the difference of x and y is 14, and the difference of x and 2y is 3, you want two equations, their graph, and the value of x.

The difference of 'a' and 'b' is (a -b). Here, the two differences are expressed as the equations ...

The attachment shows a graph of these equations. Their point of intersection is (25, 11), meaning the value of x is 25.

The graph of the first equation is easily drawn by recognizing the x- and y-intercepts are 14 and -14, respectively.

The graph of the second equation will go through the x-intercept point of (3, 0) and the y-intercept point of (0, -3/2). It is probably easier to graph this by hand by considering the x-intercept point and the slope of 1/2.

Since we're only interested in the value of x, it is convenient to eliminate the variable y. We can to that by subtracting the second equation from twice the first:

  2(x -y) -(x -2y) = 2(14) -(3)

  x = 25 . . . . . . . . . simplify

In ridge regression, the penalty strength parameter, represented by \lambda», controls the trade-off between fitting the training data well and keeping the model coefficients small.

When a very large penalty strength is chosen, it results in a higher degree of shrinkage of the regression coefficients towards zero. This means that the model becomes less complex and less likely to overfit the training data. However, it also means that the model may become too biased towards the null hypothesis, leading to underfitting and decreased predictive power. Therefore, choosing the right value of \lambdaλ is crucial for achieving optimal performance in ridge regression.
In ridge regression, choosing a very large λ (lambda) penalty strength results in a higher regularization effect, which helps to reduce overfitting by shrinking the coefficients of the independent variables towards zero. This helps to create a more generalized model by controlling the complexity of the model. However, choosing a λ value that is too large can also result in underfitting, as the model may become too simple to capture the underlying relationships in the data effectively.

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Answer:

Step-by-step explanation:

Uh sorry but there is no picture here

Answer:

no graph is attached

Step-by-step explanation:

Answer:

17.1 cm

Step-by-step explanation:

A screw driver is a mechanical tool or device which is mainly used for screwing the screws and unscrewing them. It is also used for removing the nuts and bolts and also serves a variety of uses.

It is typically made of steel and has a handle and a shaft which ends as a tip.

In the context, the length of the screw driver from the given figure expressed to the nearest tenth of a centimeter is 17.1 cm.

It is also equivalent to \($6\frac{3}{4}$\) inch.