What is the volume of a hemisphere with a radius of 8.8 cm, rounded to the nearest
tenth of a cubic centimeter?

Answer:

It is B and C

Step-by-step explanation:

Answer: hi what up anyone wanna talk

Step-by-step explanation:  please I am so bored. hehehehehe funny period boo

Answer:

32:6

Step-by-step explanation:

12:2

12/2=6

24:4

24/4=6

32:6

32/6=5.3333...

48:8

48/8=6

Answer:

32 to 6

Step-by-step explanation:

Answer:

hundred thousands

Step-by-step explanation:

You would move it to the left one place, so it would be the hundred thousands place.

Answer: The answer is hundred thousands place.

Step-by-step explanation: The question is wanting you to name the space the 8 is in. So 10's, 100's, 1000's and so on. But in this case an 8 in the hundred thousand's place has 10 times more value then an 8 in the ten thousand's place.

Answer:

( if given triangle is equilateral triangle)

Hope this will help you.

important to know the size of the freshman classes in relation to the population size before using z-procedures in this situation, so the answer will be option C

In statistical inference, when using z-procedures such as hypothesis testing or constructing confidence intervals, one of the assumptions is that the samples are independent. In this scenario, knowing that the university had 6000 or more entering freshmen is important to ensure that the sample size is less than 10% of the population size.

The 10% condition is necessary to maintain the independence of samples. When the sample size is small relative to the population size, each sample observation has a greater impact on the population proportion, potentially violating the assumption of independence.

By ensuring that the sample size is less than 10% of the population size, we can reasonably assume that each sample observation is independent of each other. This allows us to use z-procedures and rely on the properties of the normal distribution for inference.

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Hi, I'm glad to help you with this question. To determine if the normal distribution gives a reasonable approximation using the given data, we need to calculate the mean and standard deviation. Here are the steps:

1. Calculate the mean (average): Add all the data points together and divide by the number of data points.
(71+42+77+84+46+93+94+63+82+88+57+32+79+67+68+83+60+65+58+70) / 20 = 1380 / 20 = 69

Mean = 69

2. Calculate the standard deviation: First, find the difference between each data point and the mean, square the differences, and then find the average of those squared differences. Finally, take the square root of that average.
a. Differences from the mean: (-2, 27, 8, 15, -23, 24, 25, -6, 13, 19, -12, -37, 10, -2, -1, 14, -9, -4, -11, 1)
b. Squared differences: (4, 729, 64, 225, 529, 576, 625, 36, 169, 361, 144, 1369, 100, 4, 1, 196, 81, 16, 121, 1)
c. Average of squared differences: (4520) / 20 = 226
d. Square root of the average: √226 ≈ 15.03

Standard Deviation ≈ 15.03

Now that we have the mean (69) and the standard deviation (15.03), you can compare these values to the distribution line that you draw through the data by eye. If the distribution line follows a bell-shaped curve with the mean at the center and the data points spread around it following the standard deviation, then the normal distribution provides a reasonable approximation for this data set.

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Answer:

y-1=-3(x+2)

Step-by-step explanation:

Answer:

b. -4 an C  then A

Step-by-step explanation:

hope this helps!

Answer:

It will be 4

Step-by-step explanation:

i know

Answer:

hey

Step-by-step explanation:

hey

Answer:

you can't simplify it into a fraction but you can into a decimal it is 0.4

The length of the rectangle is approximately 41.34 inches.

Let's assume the width of the rectangle is represented by the variable w. According to the given information, the length of the rectangle is four less than twice the width, which can be expressed as 2w - 4.

The perimeter of a rectangle is calculated by adding the lengths of all four sides. In this case, the perimeter is given as 128 inches. Since a rectangle has two pairs of equal sides, we can set up the equation:

2w + 2(2w - 4) = 128.

Simplifying the equation, we get:

2w + 4w - 8 = 128,

6w - 8 = 128,

6w = 136,

w = 22.67.

So, the width of the rectangle is approximately 22.67 inches. To find the length, we can substitute this value back into the expression 2w - 4:

2(22.67) - 4 = 41.34.

Therefore, the length of the rectangle is approximately 41.34 inches.

In summary, the length of the rectangle is approximately 41.34 inches. This is determined by setting up a system of equations based on the given information: the perimeter of the rectangle being 128 inches and the length being four less than twice the width.

By solving the system of equations, we find that the width is approximately 22.67 inches, and substituting this value back, we obtain the length of approximately 41.34 inches.

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Answer:

82.5

Step-by-step explanation:

750 x .11= 82.5

The direct variation equation that relate the amount of concrete needed and the number of posts is y = 5/4x

An equation is the equality between two algebraic expressions, which have at least one unknown or variable.

To solve this problem, we have to state the equation using the information of the problem:

Information about the problem:

Calculating the number of concrete according to the number of posts we have:

6 1/4

= [(4*6)+1] / 4

= (24 + 1) / 4

= 25/4

Number of concrete per post = 25/4 bags / 5 post

Number of concrete per post = 5/4 bags / post

Writing the equation according to the information gave, we have:

y = 5/4x

Lets called (y) the amount of concrete needed and (x) the number of posts

The "y" variable is the dependent variable, it will change according to the number of posts x (x).

The "x" variable is the independent variable, because it doesn't depend on any other value, just the the number of posts.

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Answer:

12.056

Step-by-step explanation:

Equation: 3.75x+58=226.75

Answer:

40,640,000

Step-by-step explanation:

The way I solved this equation was by dividing 320,000,000 by 1,000 (to make smaller numbers). Then, I got 320,000. From here, I was able to multiply 320,000 by 127 (the number found in this specific study group) to get 40,640,000. Or, you could just multiply 320,000,000 by 0.127 (the decimal equivalent to 127/1000) to get the same answer. Please mark Brainliest if this helped :)

Answer:

40,640,000

Step-by-step explanation:

The sample size is 1000 and 127 wear contacts so

127/1000 = x/320000000

(127 * 320000000)/1000 = x

40,640,000 = x

To calculate the values of y for the given function \(y = sin^2(x) / (1.55sin(x) + cos^2(x))\)  at x = 20°, 30°, 40°, 50°, 60°, 70°, and 80°, perform the calculations using a calculator or mathematical software.

To calculate the value of y for the given function\(y = sin^2(x) / (1.55sin(x) + cos^2(x)),\) we can substitute the given values of x into the equation and evaluate it using element-by-element operations.

For x = 20°:

\(y = sin^2(20) / (1.55sin(20) + cos^2(20))\)

For x = 30°:

\(y = sin^2(30) / (1.55sin(30) + cos^2(30))\)

For x = 40°:

\(y = sin^2(40) / (1.55sin(40) + cos^2(40))\)

For x = 50°:

\(y = sin^2(50) / (1.55sin(50) + cos^2(50))\)

For x = 60°:

\(y = sin^2(60) / (1.55sin(60) + cos^2(60))\)

For x = 70°:

\(y = sin^2(70) / (1.55sin(70) + cos^2(70))\)

For x = 80°:

\(y = sin^2(80) / (1.55sin(80) + cos^2(80))\)

By evaluating these equations using a calculator or mathematical software, we can find the respective values of y for each given value of x.

Note: Due to the complexity of the calculations involved, it is recommended to use a scientific calculator or mathematical software to obtain accurate results.

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Xavier's average speed is 1 kilometer per minute.

To calculate Xavier's average speed, we need to determine the total time it took him to reach Terminal B and the distance traveled.

Given that Henry had completed 3/4 of the journey when Xavier reached Terminal B, it means Xavier took 1/4 of the total time for the journey. Since Xavier reached Terminal B 30 minutes earlier than Henry, we can infer that Xavier took 30 minutes for his part of the journey.

Since Henry was 30 km away from Terminal B when Xavier reached it, we can assume that Xavier traveled the remaining 30 km to reach Terminal B.

Therefore, Xavier's average speed can be calculated as the distance divided by the time:

Average Speed = Distance / Time = 30 km / 30 minutes = 1 km/minute.

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As a result, 16% of the time, the sample's mean weight will be higher than 613 grammes. We calculate the answer as 613 grammes by rounding to the closest gramme.

A mathematical equation is a formula that connects two claims and uses the equals symbol (=) to denote equivalence. An equation in algebra is a mathematical statement that establishes the equivalence of two mathematical expressions. For instance, in the equation 3x + 5 = 14, the equal sign places a space between the variables 3x + 5 and 14. The relationship between the two sentences that are written on each side of a letter may be understood using a mathematical formula. The symbol and the single variable are frequently the same. as in, 2x - 4 equals 2, for instance.

According to the Central Limit Theorem, a sample of 26 fruits will have a distribution of sample means that is likewise normal, with a mean of 598 grammes and a standard deviation of 34/sqrt(26) grammes.

The z-score for the 82nd percentile may be calculated using a conventional normal distribution table or calculator and is around 0.91.

We therefore have:

0.91 = (x - 598) / (34 / sqrt(26))

After finding x, we obtain:

x = 598 + 0.91 * (34 / sqrt(26)) ≈ 613

As a result, 16% of the time, the sample's mean weight will be higher than 613 grammes. We calculate the answer as 613 grammes by rounding to the closest gramme.

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lol use a calculator???????

To investigate, a researcher measures the heights and metacarpal lengths of 200 adults. In making the scatterplot, the researcher should ensure that the scales on the x-axis and y-axis are the same.

The scatter plot is a graphical representation of the relationship between two variables. The heights and metacarpal lengths of the 200 adults are two variables, and a scatterplot can be used to illustrate their connection.

When making a scatterplot, the researcher should make sure that the scales on the x-axis and y-axis are identical. This way, each point on the plot reflects an accurate representation of the relationship between the two variables. The scatter plot is used to examine the association between two continuous variables. The horizontal axis represents the values of one variable, while the vertical axis represents the values of the other variable.

In summary, when making a scatter plot, the researcher should ensure that the scales on the x-axis and y-axis are the same. The horizontal axis shows the values of one variable, while the vertical axis shows the values of the other variable.

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The outward flux of the vector field F across the boundary of the region D, which is the cube bounded by the planes x = ±1, y = ±1, and ±1, can be found using the divergence theorem.

The outward flux is the integral of the divergence of F over the volume enclosed by the boundary surface.The first step is to calculate the divergence of F. The divergence of a vector field F = P i + Q j + R k is given by div(F) = ∂P/∂x + ∂Q/∂y + ∂R/∂z. In this case, div(F) = ∂/∂x(5y - 4x) + ∂/∂y(-4z - 5y) + ∂/∂z(-3y - 2x). Simplifying these partial derivatives, we have div(F) = -4 - 2 - 3 = -9.

Applying the divergence theorem, we can relate the flux of F across the boundary surface to the triple integral of the divergence of F over the volume enclosed by the surface. Since D is a cube with sides of length 2, the volume enclosed by the surface is 2^3 = 8.

Therefore, the outward flux of F across the boundary of D is given by ∬S F · dS = ∭V div(F) dV = -9 * 8 = -72. The negative sign indicates that the flux is inward.

In summary, the outward flux of the vector field F across the boundary of the cube D, as described by the given vector components, is -72. This means that the vector field is predominantly flowing inward through the boundary of the cube.

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Answer:

n = -3

Step-by-step explanation:

distribute

27n + 108 + 18n = 7n - 126 - 40n

combine

45n + 108 = -33n - 126

add 33n to both sides and subtract 108 to both sides

78n = -234

divide by 78

n = -3

If Caroline has 6.8 L of lemonade to serve 20 people. Caroline can pour 340 milliliters of lemonade into each glass.

To find out how many milliliters of lemonade Caroline can pour into each glass, we need to convert the volume of lemonade from liters to milliliters and then divide it equally among the 20 guests.

1 liter is equal to 1000 milliliters. So, Caroline has 6.8 L * 1000 mL/L = 6800 mL of lemonade.

To divide it equally among 20 guests, we divide the total volume of lemonade by the number of guests:

6800 mL / 20 = 340 mL.

Therefore, Caroline can pour 340 milliliters of lemonade into each glass.

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