What is the answer to this question?

What is the volume of this sphere?

Use ​ ≈ 3.14 and round your answer to the nearest hundredth.

Radius = 8 mm

The correct answer is Using numerical integration techniques:Approximation using the Trapezoidal Rule (t10) is approximately [2.763211].Approximation using the Midpoint Rule (m10) is approximately [2.079728].Approximation using Simpson's Rule (s10) is approximately [2.094395].

To approximate the values of t10, m10, and s10 for the integral 0 to 8 sin(x) dx, we can use numerical integration techniques, such as the Trapezoidal Rule, Midpoint Rule, and Simpson's Rule.

Trapezoidal Rule (t10):

The Trapezoidal Rule estimates the integral by approximating the area under the curve using trapezoids. The formula for the Trapezoidal Rule is given by:

t10 = (b - a) * [(f(a) + f(b)) / 2 + ∑(f(xi))] / n

where a and b are the limits of integration (0 and 8 in this case), f(x) is the function (sin(x) in this case), xi are the equally spaced points between a and b, and n is the number of intervals.

Using n = 10, we can calculate t10:

t10 ≈ (8 - 0) * [(sin(0) + sin(8)) / 2 + ∑(sin(xi))] / 10

Midpoint Rule (m10):

The Midpoint Rule estimates the integral by approximating the area under the curve using rectangles. The formula for the Midpoint Rule is given by:

m10 = (b - a) * ∑(f(xi + h/2)) / n

where a, b, f(x), xi, and n have the same meanings as in the TrapezoidalRule, and h is the width of each interval (h = (b - a) / n).

Using n = 10, we can calculate m10:

m10 ≈ (8 - 0) * ∑(sin(xi + (8 - 0) / (2 * 10))) / 10

Simpson's Rule (s10):

Simpson's Rule estimates the integral by approximating the area using parabolic arcs. The formula for Simpson's Rule is given by:

s10 = (b - a) * [f(a) + 4 * ∑(f(xi)) + 2 * ∑(f(x2i)) + f(b)] / (3 * n)

where a, b, f(x), xi, and n have the same meanings as in the Trapezoidal Rule, and x2i represents the points with an even index.

Using n = 10, we can calculate s10:

s10 ≈ (8 - 0) * [sin(0) + 4 * ∑(sin(xi)) + 2 * ∑(sin(x2i)) + sin(8)] / (3 * 10)

By evaluating these formulas using numerical methods and rounding the results to six decimal places, you can find the approximations t10, m10, and s10 for the given integral 0 to 8 sin(x) dx.

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Answer:

D y=2x

Step-by-step explanation:

Using slope formula change in y over change in x

\( \frac{2}{1} \)

the slope is 2 and when we plug the x value in it gives us our corresponding y value so the answer is D

The third binomial formula is given by ( a + b )( a - b) = a² - b².

Binomial theorem in the standard form is given by :

( a + b )ⁿ = ⁿC₀aⁿb⁰ +  ⁿC₁aⁿ⁻¹b¹ + ⁿC₂aⁿ⁻²b² +..............+  ⁿCₙa⁰bⁿ

Binomial formula starts from n = 2

First binomial formula of the binomial theorem is given by :

( a ± b )² = a ² ± 2ab + b²

Second binomial formula is given by:

( a ± b )³ = a³ ± 3a²b + 3ab² ± b³

Third binomial formula is given by :

( a + b) ( a - b) = a² - b²

Therefore, the third binomial formula is equal to ( a + b )( a - b) = a² - b².

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Hello angeltomlin!

\(\mathfrak{\frac { \frac { 1 } { 16 } } { 3 }}\\ = \mathfrak{\frac{1}{16\times 3}} \\ = \boxed{\mathfrak{\frac{1}{48} \approx 0.0208}}\)

Steps :

Refer to the attached picture if the steps are not clear.

____________

Lucazz

Answer:

21

Step-by-step explanation:

For this problem, we basically want to find 2016/96.

2016=1920+96. So, 2016/96 = (1920+96)/96=20+1=21.

So, the hot air balloon travels 21 miles each hour.

''21'' because 2016 divided by 96 is 21

The graph of g is Transformation up 7 units.

what is Transformation?

A graph transformation is a method for altering an existing graph or graphed equation to create a different version of the graph that follows. The modification of algebraic equations is a typical form of algebraic issue.

solution:

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

g(x) = f(x) + k

Also, we have the value of k to be

k = 7

From the question, we can interpret g(x) = f(x) + k as f(x) is shifted up by k units

This means that

g(x) = f(x) + k

So, we have

g(x) = f(x) + 7

Hence, the transformation is (a) translated up 7 units

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The solution to the equation 91 = 29^x is approximately x ≈ 1.08.

To solve for x in equation 91 = 29^x, we need to isolate the variable x. Here's the step-by-step process:

Add 150 to both sides of the equation to get rid of the constant term:

91 + 150 = 29^x + 150

Simplify the equation:

241 = 29^x + 150

Subtract 150 from both sides:

241 - 150 = 29^x

Simplify further:

91 = 29^x

Now, we can solve for x by taking the logarithm of both sides of the equation with base 29. Using the logarithm property log_b(a^c) = c * log_b(a), we have:

log_29(91) = x

Using a calculator or logarithm table, we can find that log_29(91) ≈ 1.08.

Therefore, the solution to the equation 91 = 29^x is approximately x ≈ 1.08.

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Ross's rowing speed in still water is 1.25 miles/hour, and the current rate is 0.75 miles/hour.

Given:Time taken by Ross to row his fishing boat 12 miles downstream = 6 hoursTime taken by Ross to go back upstream 2 miles = 4 hoursFormula used:speed = distance / timeLet's assume, Speed of boat in still water = xSpeed of stream = yUsing formula: x + y = 12 / 6  => x + y = 2 ---------------(1)x - y = 2 / 4 => x - y = 0.5 ---------------(2)On solving equations (1) and (2), we get:x = 1.25 miles/hour.

Therefore, the rate that Ross rows in still water is 1.25 miles/hour.Now, using equation (1), we can calculate the speed of the stream:2 - x = y => 2 - 1.25 = 0.75 miles/hourTherefore, the rate of the current is 0.75 miles/hour.In summary,Ross's rowing speed in still water is 1.25 miles/hour, and the current rate is 0.75 miles/hour.

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Answer:

Yes he did break the speed limit

Step-by-step explanation:

If he stuck to the speed limit it would have taken him 6 hours to go 540 kilometers

The PHP function commonly used to send an SQL query to a MySQL database is "mysqli_query()." The general form of the return value of this function is a result object, which represents the outcome of the query execution.

In PHP, the "mysqli_query()" function is commonly used to send SQL queries to a MySQL database. It takes two parameters: the first parameter is the database connection object, and the second parameter is the SQL query string. When the "mysqli_query()" function is executed, it sends the SQL query to the MySQL database for execution. The function returns a result object, which represents the outcome of the query execution.

The specific contents of the result object depend on the type of query executed. For SELECT queries, the result object contains the retrieved data from the database, which can be fetched using other functions like "mysqli_fetch_assoc()" or "mysqli_fetch_array()." For INSERT, UPDATE, DELETE, or other types of queries, the result object typically indicates the success or failure of the query execution.

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Answer:

(y+3)^2=5/2(x-1)

Step-by-step explanation:

collect y terms on left side and then complete the square

Answer:

Step-by-step explanation:

700.5

Answer:

x = -12

Step-by-step explanation:

Let x be the number.

The product of 5 and x increased by 9 is equal to 15 less than 3 times x.

5x + 9 = 3x - 15.

We can isolate x, getting (5-3)x = -15-9

Then we can solve:

2x = -24

x = -12.

The required number is -12.

An equation is a mathematical statement that shows that two mathematical expressions are equal.

Given that, The product of five and a number, increased by 9 is equal to fifteen less than three times then number.

Let x be the number.

Establishing the equation,

5x + 9 = 3x - 15.

(5-3)x = -15-9

Then we can solve:

2x = -24

x = -12.

Hence, the number is -12

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Answer: x = -2

\(\frac{n^{10} }{n^{12} } =(n^{x})^{1} \\\\<=>\frac{1}{n^{2} }=n^{x}\\\\<=>n^{-2}=n^{x}\)

to make the equation true => x = - 2

Step-by-step explanation:

Answer:

5 Ones dollar bills

3 five dollar bills

2 ten dollar bills

Step-by-step explanation:

The statement that is NOT correct about hypothesis testing is: "We cannot eliminate both type l error and type II error at the same time."

In hypothesis testing, we aim to make a decision about a population parameter based on sample data. Type I error refers to rejecting a true null hypothesis, while Type II error refers to failing to reject a false null hypothesis. While it is not possible to completely eliminate both types of errors simultaneously, we can minimize the chances of committing either of them by choosing an appropriate significance level and conducting a power analysis.

Therefore, the statement that we cannot eliminate both Type I and Type II errors at the same time is incorrect.

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The observed frequencies with the expected frequencies and calculate the contribution of each category to the overall Chi-Square value. Therefore, the Chi-Square value (X^2) is 8.

To determine the Chi-Square value, we need to compare the observed frequencies with the expected frequencies and calculate the contribution of each category to the overall Chi-Square value.

Let's calculate the Chi-Square value step by step:

1. Calculate the expected frequencies:

For the AA genotype:

Expected frequency = (Total count) * (Expected proportion)

Expected frequency = 200 * (50/200) = 50

For the Aa genotype:

Expected frequency = (Total count) * (Expected proportion)

Expected frequency = 200 * (100/200) = 100

For the aa genotype:

Expected frequency = (Total count) * (Expected proportion)

Expected frequency = 200 * (50/200) = 50

2. Calculate the contribution of each category to the Chi-Square value:

Chi-Square contribution = (Observed frequency - Expected frequency)^2 / Expected frequency

For the AA genotype:

Contribution = (60 - 50)^2 / 50 = 100 / 50 = 2

For the Aa genotype:

Contribution = (80 - 100)^2 / 100 = 400 / 100 = 4

For the aa genotype:

Contribution = (60 - 50)^2 / 50 = 100 / 50 = 2

3. Calculate the overall Chi-Square value:

Chi-Square value (X^2) = Sum of contributions for all categories

X^2 = 2 + 4 + 2 = 8

Therefore, the Chi-Square value (X^2) is 8.

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Algebraically, this means that the dependent variable y is a linear function of the independent variable x, with no coefficient multiplying x.

When β₂=0, the regression model simplifies to yᵢ = β₁xᵢ + eᵢ. This means that the dependent variable y is solely determined by the intercept β₁ and the error term e, with no effect from the independent variable x.

This means that the best estimate for β₁, when β₂ = 0, is the mean of the dependent variable y.This is because when β₂ = 0, the value of x does not contribute to the variation in y. The line is parallel to the x-axis and has a constant intercept β₁

.

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The given series is equivalent to the sum of two p-series: ∑n^(-1/2) + ∑n^(-2). Where the first series converges since p1 = 1/2 > 0 and the second series also converges since p2 = 2 > 1.

To start, we can simplify the given series as:

sqrt(n+4)/n^2 = 1

Taking the reciprocal of both sides:

n^2/sqrt(n+4) = 1

Multiplying both sides by sqrt(n+4):

n^2 = sqrt(n+4)

Squaring both sides:

n^4 = n+4

This is a quadratic equation that we can solve using the quadratic formula:

n = (-1 ± sqrt(17))/2

Since we are only interested in positive integer values of n, we take the larger root:

n = (-1 + sqrt(17))/2 ≈ 1.56

Now that we have found the value of n that satisfies the equation, we can rewrite the given series in terms of p-series:

sqrt(n+4)/n^2 = (n+4)^(1/2) / n^2
= (1 + 4/n)^(1/2) / n^2

Using the formula for the p-series:

∑n^-p = 1/1^p + 1/2^p + 1/3^p + ...

We can see that the given series is equivalent to:

(1 + 4/n)^(1/2) / n^2 = n^(-2) * (1 + 4/n)^(1/2)
= n^(-p1) + n^(-p2)

Where p1 is the smaller value and p2 is the larger value of p that make up the two p-series.

We can find p1 and p2 by comparing the exponents of n on both sides of the equation:

p1 = 1/2
p2 = 2

Therefore, the given series is equivalent to the sum of two p-series:

∑n^(-1/2) + ∑n^(-2)

Where the first series converges since p1 = 1/2 > 0 and the second series also converges since p2 = 2 > 1.

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Answer:

Not sure what your choices are on the drop-down, but these expressions are equivalent to each other and include all solutions (all real numbers).

Edit:

1--Equivalent

2--29

3--Equivalent

Answer:

126

Step-by-step explanation:

The difference between the first two terms of this sequence is 5 (16 - 11 = 5). The difference between the second and third terms of this sequence is also 5 (21 - 16 = 5).

So, we can assume that the difference between each term in this sequence is 5. To get from the first term (11) to the second term (16) we had to add 5 once. (or, add 5  x 1 [time])

To get from the first term (11) to third (21), we had to add 5 twice

(or, add 5 x2)

*repeated addition, such as 5+5+5 is the same thing as multiplication. If we are adding 5 three times, we will get the same outcome as 5 x 3.

So, to get from the first term (11) to the 24th term, we will have to add 5 23 times, or 5 x 23

5 x 23 = 115

11 + 115 = 126

Making 126 the 24th term of the sequence

Answer:

infinite

Step-by-step explanation:

the law in most states in the usa states there must be 3 letters and 3 numbers so there could be infinite

                            -hope this helps-

Answer:

could be wrong. but I belive its B

Step-by-step explanation:

7 X 2 = 14 x pi (3.14) = gives us 43.96. since its 4 tall. you would muiliply 43.96 x 4. it would give you 175.84.

here is the formula because I want you to understand this.

R = radius

D = 2 x radius

Pi = 3.14

C = circumference

C = Pi x (radius x 2)

It takes Sandra 6.44 hour to word process 29 pages.

Division method is used to distributing a group of things into equal parts. Division is just opposite of multiplications. For example, dividing 20 by 2 means splitting 20 into 2 equal groups of 10.

Given that;

It takes Sandra 1 hour to word process 4.5 pages.

Now,

Since, It takes Sandra 1 hour to word process 4.5 pages.

Hence, The time to make 29 pages = 29/4.5

                                                        = 290/45

                                                        = 58/9 hours

Thus, It takes 6.44 hours to complete 29 pages.

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The standard error of the sample mean is 1.21.

Given;

Suppose a diet regimen for men results in an average weight loss of between 13. 4 and 18. 3 pounds, according to a 95% confidence interval. These findings were based on a group of 42 men who were classified as overweight at the beginning of the four-month trial.

A 95% confidence interval for a population mean is (13.4, 18.3)

Upper limit = 18.3

Lower limit = 13.4

Since population SD is unknown, this interval is constructed using the t distribution.

n = 42

c = 0.95

∴ α = 1 - c = 1 - 0.95 = 0.05

α/2 = 0.025

Also, d.f = n - 1 = 42 - 1 = 41

∴ ta/2.d.f =  ta/2.n-1  =  t0.025,41  =  2.02 . . . . use t table

Now,

The margin of error = (Upper limit - Lower limit)/2

                                 = (18.3 - 13.4)/2

                                 = 2.45

But,

Margin of error = ta/2.d.f-  * (s / \sqrt{} n)

Margin of error = ta/2.d.f-  * Standard error

2.45 = 2.02 * Standard error

Standard error = 1.2129

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Answer:

a. 135 is the correct answer

Step-by-step explanation:

Want to find out what the total degrees is of the octagon.

Octagon = 1080

Divide 1080 by 8

135 degrees per angle

Answer:

Option A is correct

Step-by-step explanation:

Hint :

Sum of angles in Regular Octagon = 1080°.

Simplify :

\(∴z = 135\)

Answer:

25:15

Step-by-step explanation:

because we have 15 dark chocolates and 25 milk chocolate

Answer:

When dividing by a fraction, you can simply treat it as multiplying by the reciprocal of that fraction.

As an example, dividing 3/1 by 7/8 would be like multiplying 3/1 with 8/7, which is the reciprocal of 7/8.

Hence, the answer in your case would be 24/7. (Nice coincidence...?)

Step-by-step explanation:

Hope this helped!

Answer:

I am just trying if it is wrong please don't mind.

Step-by-step explanation:

3/1 ÷ 7/8

= 3/1 X 8/7

= 24/7

Answer:

yellow(1/3)

............