What is 500 divided by 10?????????

Answer:

$10.50 would be the cost for three bags

Step-by-step explanation:

17.50 divided by 5 gives you the cost for one bag which is $3.50. $3.50 multiplied by 3 gives you $10.50

Answer:

10.5$

Step-by-step explanation:

Cost of 1 bag=17.5$ ÷ 5 = 3.5$

Cost of 3 bags=3 x 3.5 = 10.5$

therefore he will spend 10.5 $

When finding local maxima and minima from the graph of a derivative, we need to identify the points where the derivative changes sign. These points represent the locations of local maxima and minima on the original function.

When finding local maxima and minima from the graph of a derivative, we need to understand the relationship between the original function and its derivative. The derivative of a function represents the rate of change of the function at any given point. Local maxima and minima occur where the derivative changes sign from positive to negative or from negative to positive. At these points, the slope of the original function changes from increasing to decreasing or from decreasing to increasing.

By following these steps, we can identify the local maxima and minima from the graph of a derivative.

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Identify the critical points, Determine the intervals, Analyze the sign changes and Check the endpoints

To find the local maximum and minimum points from the graph of a derivative, you can follow these steps:

Identify the critical points: These are the points where the derivative is either zero or undefined. Find the values of x where f'(x) = 0 or f'(x) is undefined.

Determine the intervals: Divide the x-axis into intervals based on the critical points and any other points of interest. Each interval represents a section of the graph where the derivative is either positive or negative.

Analyze the sign changes: Within each interval, observe the sign of the derivative. If the derivative changes sign from positive to negative, there is a local maximum at that point. If the derivative changes sign from negative to positive, there is a local minimum at that point.

Check the endpoints: Also, check the derivative's sign at the endpoints of the graph. If the derivative is positive at the leftmost endpoint and negative at the rightmost endpoint, there is a local maximum at the left endpoint. Conversely, if the derivative is negative at the leftmost endpoint and positive at the rightmost endpoint, there is a local minimum at the left endpoint.

By following these steps and analyzing the sign changes of the derivative within intervals, as well as checking the endpoints, you can identify the local maximum and minimum points from the graph of the derivative.

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35%c=127

i hope this helps

Answer:

c = 620 | (217 x 100) / 35

Step-by-step explanation:

To solve this problem you multiply 217 by 100 and then divide the total by 35 as follows: (217 x 100) / 35

After computing a confidence interval, the user believes the results are meaningless because the width of the interval is too large, the best recommendation is c. Increase the sample size.

A confidence interval is a range of estimates for an unknown parameter in frequentist statistics. A confidence interval is calculated at a specific confidence level; the 95% confidence level is the most commonly used, but other levels, such as 90% or 99%, are also used.

Confidence intervals are used by statisticians to quantify uncertainty in a sample variable. A researcher, for example, may randomly select different samples from the same population and compute a confidence interval for each sample to determine how well it may represent the true value of the population variable. The resulting datasets are all unique, with some intervals containing the true population parameter and others not.

In this case, the sample size should be increased when the results are meaningless because the width of the interval is too large.

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Complete questions

After computing a confidence interval, the user believes the results are meaningless because the width of the interval is too large. Which one of the following is the best recommendation?

a. Increase the level of confidence for the interval

b. Decrease the sample size

c. Increase the sample size

d. Reduce the population variance

The number of three-letter code can be formed using 12 Greek alphabets is 1320.

For the given question.

There are 12 Greek alphabet used for making the three-letter code with out repetition.

You have 12 symbols from which to choose for the first letter, 11 for the second (because you're already using one), and 10 for the third.

Using the permutation;

Number of code formed = 12×11×10

Number of code formed = 1320.

Thus, the number of three-letter code can be formed using 12 Greek alphabets is 1320.

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Using a greedy algorithm that can get stuck in a local optimal is not an advantage of CART (Classification and Regression Trees). Thus, option 3 is correct.

A greedy algorithm is a method to solve problems by detecting the accurate approach available from the group of sections at the moment. This approach gives the best optimal result. It tracks a top-down approach. It never reverses its approach even if the old answer is wrong.

The CART abbreviated as Classification and Regression Trees has several advantages like interpretability, handling categorical variables, etc. They are mainly used to manage non-linear data sets.

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Thus, the p-value is greater than 0.10 (the significance level α), indicating that there is not enough evidence to support the alternative hypothesis.

To find the p-value, we need to calculate the test statistic and compare it to the critical value.

Given:

Sample 1: sample size (n1) = 22, variance (\(s_{1}^2\))

= 8, mean (x1(bar))

= 51

Sample 2: sample size (n2) = 20, variance (\(s_{2}^2)\)

= 11, mean (x2(bar))

= 50.5

To calculate the test statistic, we can use the formula for the difference in means:

t = (x1(bar) - x2(bar)) / √((\(s_{1}^2\)/n1) + (\(s_{2}^2\)/n2))

Substituting the given values:

t = (51 - 50.5) / √((8/22) + (11/20))

  = 0.5 / √(0.3636 + 0.55)

  = 0.5 / √0.9136

  ≈ 0.53

Now we need to find the degrees of freedom. For independent samples with equal variance, the degrees of freedom (df) can be calculated using the formula:

df = n1 + n2 - 2

Substituting the given values:

df = 22 + 20 - 2

  = 40

With α = 0.10, the critical value for a one-tailed test (upper tail) with 40 degrees of freedom is 1.684.

Now, we can determine the p-value. Since the alternative hypothesis is μ1 - μ2 > 0, we are conducting an upper-tailed test.

The p-value is the probability of obtaining a test statistic as extreme as the one observed (t = 0.53) under the null hypothesis.

By comparing the test statistic to the critical value, we can determine the conclusion:

Since the test statistic (0.53) is less than the critical value (1.684), we fail to reject the null hypothesis.

Therefore, the conclusion is: "We don't have enough evidence to conclude that the difference in means is > 0; therefore, H0 is not rejected."

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Answer: x=12

Step-by-step explanation:

5x-15=2x+21(AIA)

3x-15=21

3x=36

x=12

Answer:

Step-by-step explanation:

The range of customers that served on the middle 50 percent of days are from 2994 to 3514 customers, under the condition that mean of 3,250 customers and a standard deviation of 320.

Here,
The middle 50% of days means that we are observing for the range of values that comprise the middle 50%  the data.

In order o find  range, we have to find the z-scores that correspond to the 25th and 75th percentiles and then change these z-scores back to raw scores using the formula
z = (x - μ) / σ
here x = raw score,
μ = mean,
σ = standard deviation

The z-score concerning to the 25th percentile is -0.6745 and the z-score concerning  the 75th percentile is +0.6745.
Using these z-scores and the formula, we evaluate  the raw scores that concerning  the percentiles
z = (x - μ) / σ
-0.6745 = (x - 3250) / 320
x = 2994
z = (x - μ) / σ
+0.6745 = (x - 3250) / 320
x = 3514

The range of customers that served on the middle 50 percent of days are from 2994 to 3514 customers.

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Answer:

Undercoverage

Step-by-step explanation:

Using a local telephone book to select a simple random sample could introduce UNDERCOVERAGE bias.

I hope it helps! Have a great day!

Answer:

3.6 eggs

Step-by-step explanation:

You would divide 18 by 5 to find how much eggs used per 1 cake.

18 ÷ 5 = 3.6

Answer:18 x 5 so that would make it 90.

I think that's correct.

Answer:  4(3+2)=44

Distribute: 4(3x+2)=44

                   12x+8=44

Subtract 8 from both sides of the equation: 12x+8=44

                                                                       12x+8-8=44-8

Simplify: Subtract the number: 12x=36

Step-by-step explanation:

Hope this helps you!! :D

Answer:

x = 3

Step-by-step explanation:

Given equation,

→ 4(3x + 2) = 44

Now the value of x will be,

→ 4(3x + 2) = 44

→ 4(3x) + 4(2) = 44

→ 12x + 8 = 44

→ 12x = 44 - 8

→ 12x = 36

→ x = 36/12

→ [ x = 3 ]

Hence, the value of x is 3.

Answer:

Step-by-step explanation:

Y= -6

X=-2

Answer:

Write out all the pairs of numbers which can be multiplied to produce c.

Add each pair of numbers to find a pair that produce b when added.

If b > 0, then the factored form of the trinomial is (x + d )(x + e).

Check: The binomials, when multiplied, should equal the original trinomial.

Answer:

The balloon contain 65416.6 cubic feet.

Answer:

65,417 cubic feet

Step-by-step explanation:

Volume of a sphere ≈ 4/3 × 3.14 × (radius)^3

Answer:

a) 6

And b u sure it's plus? not minus?

The value of ∫₁₄ x f''(x) dx after integration is 6.

The summing of discrete data is indicated by the integration. To determine the functions that will characterise the area, displacement, and volume that result from a combination of small data that cannot be measured separately, integrals are calculated.

To find the value of ∫₁₄ x f''(x) dx, we can use integration by parts. Let's start by applying the integration by parts formula:

∫ u dv = uv - ∫ v du

In this case, we will let u = x and dv = f''(x) dx. Therefore, du = dx and v = ∫ f''(x) dx.

Integrating f''(x) once gives us f'(x), so v = ∫ f''(x) dx = f'(x).

Now, applying the integration by parts formula:

∫₁₄ x f''(x) dx = x f'(x) - ∫ f'(x) dx

We can evaluate the integral on the right-hand side using the given values of f'(1) and f'(4):

∫ f'(x) dx = f(x) + C

Evaluating f(x) at 4 and 1:

∫ f'(x) dx = f(4) - f(1)

Using the given values of f(1) and f(4):

∫ f'(x) dx = 8 - 2 = 6

Now, substituting this into the integration by parts formula:

∫₁₄ x f''(x) dx = x f'(x) - ∫ f'(x) dx

                  = x f'(x) - (f(4) - f(1))

                  = x f'(x) - 6

Using the given values of f'(1) and f'(4):

∫₁₄ x f''(x) dx = x f'(x) - 6

               = x (3) - 6  (since f'(1) = 3)

               = 3x - 6

Now, we can evaluate the definite integral from 1 to 4:

∫₁₄ x f''(x) dx = [3x - 6]₁₄

               = (3 * 4 - 6) - (3 * 1 - 6)

               = 6

Therefore, the value of ∫₁₄ x f''(x) dx is 6.

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To evaluate the line integral using Green's Theorem, we need to find the curl of the vector field and then calculate the double integral over the region enclosed by the curve. Answer :  the critical points of the function z = (x^2 - 4x)(y^2 - 5y) are (x, y) = (0, 0) and (x, y) = (0, 4)

Given the vector field F = (xy^2, x^5), we can find its curl as follows:

∇ × F = (∂Q/∂x - ∂P/∂y)

where P is the x-component of F (xy^2) and Q is the y-component of F (x^5).

∂Q/∂x = ∂/∂x (x^5) = 5x^4

∂P/∂y = ∂/∂y (xy^2) = 2xy

Therefore, the curl of F is:

∇ × F = (2xy - 5x^4)

Now, we can apply Green's Theorem:

∮C P dx + Q dy = ∬D (∇ × F) dA

where D is the region enclosed by the curve C.

In this case, C is the rectangle with vertices (0,0), (3,0), (3,5), and (0,5), and D is the region enclosed by this rectangle.

The line integral becomes:

∮C xy^2 dx + x^5 dy = ∬D (2xy - 5x^4) dA

To evaluate the double integral, we integrate with respect to x first and then with respect to y:

∬D (2xy - 5x^4) dA = ∫[0,5] ∫[0,3] (2xy - 5x^4) dx dy

Now, we can calculate the integral using these limits of integration and the given expression.

As for the second part of your question, to find the critical points of the function z = (x^2 - 4x)(y^2 - 5y), we need to find the points where the partial derivatives with respect to x and y are both zero.

Let's calculate these partial derivatives:

∂z/∂x = 2x(y^2 - 5y) - 4(y^2 - 5y)

      = 2xy^2 - 10xy - 4y^2 + 20y

∂z/∂y = (x^2 - 4x)(2y - 5) - 5(x^2 - 4x)

      = 2xy^2 - 10xy - 4y^2 + 20y

Setting both partial derivatives equal to zero:

2xy^2 - 10xy - 4y^2 + 20y = 0

Simplifying:

2y(xy - 5x - 2y + 10) = 0

This equation gives us two cases:

1) 2y = 0, which implies y = 0.

2) xy - 5x - 2y + 10 = 0

From the second equation, we can solve for x in terms of y:

x = (2y - 10)/(y - 1)

Now, substitute this expression for x back into the first equation:

2y(2y - 10)/(y - 1) - 10(2y - 10)/(y - 1) - 4y^2 + 20y = 0

Simplifying and combining like terms:

4y^3 - 32y^2 + 64y = 0

Factoring out 4y:

4y(y^2 - 8y +

16) = 0

Simplifying:

4y(y - 4)^2 = 0

This equation gives us two cases:

1) 4y = 0, which implies y = 0.

2) (y - 4)^2 = 0, which implies y = 4.

So, the critical points of the function z = (x^2 - 4x)(y^2 - 5y) are (x, y) = (0, 0) and (x, y) = (0, 4).

To classify these critical points, we can use the second partial derivative test or examine the behavior of the function in the vicinity of these points.

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Answer:

3/28

Step-by-step explanation:

James read an equal number of pages of his book each night for 8 nights to prepare for his upcoming exam.

The total fraction of the book he read in 8 nights = 6/7

Hence,

8 nights = 6/7

1 night = x

Cross Multiply

8x = 6/7 × 1

x = 6/7 ÷ 8

x = 6/7 × 1/8

x = 3/28

Therefore, every night, the fraction of the book he has read is 3/28

Answer:

Step-by-step explanation:

4x-8 = 3x+3

x = 11

By solving the two equations, the values of x , y and x-y are found to be 1, 25/3 and -22/3 respectively.

Given two equations are;

5x+3y=30..........(1)

−5x−2y=−25.........(2)

Now , from (2)

−5x−2y=−25

⇒ 5x +2y = 25 (multiply both sides with '-' sign)

⇒ y = \(\frac{(25 -5x)}{2}\)

Solving the system;

substitute the above vale of y in eq (1)

5x + 3y = 30

⇒ 5x + 3 ( \(\frac{(25 -5x)}{2}\)) = 30

⇒  5x + (\(\frac{(75 - 15x)}{2}\)) = 30

⇒  \(\frac{10x+75-15x}{2}\) = 30

⇒ -5x + 75 = 60

⇒  -5x = -5

⇒ x = 1

∴ x = 1

Now substitute the value of x in (1)

5x + 3y = 30

⇒ 5 × 1 + 3y = 30

⇒ 3y = 25

⇒ y = 25/3

∴ y = 25/3

Now using the value of x and y , we can find the value of x - y

x - y = 1 -25/3 = (3 - 25)/ 3 = -22/3

∴ x - y = -22/3

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Given:

The height of 44 students (in centimeter) are presented in the given frequency distribution.

To find:

The median of the given data.

Solution:

The given intervals are inclusive first make the intervals exclusive by adding 0.5 in upper limit and by subtracting 0.5 from the lower limit.

The complete frequency distribution table is shown below:

Height              Frequency           L                            <cf

182 - 188                  1                  181.5 - 188.5            44

175 - 181                   3                 174.5 - 181.5             43

168 - 174                  6                 167.5 - 174.5            40

161 - 167                 15               160.5 - 167.5            34   Median class

154 - 160                 12                153.5 - 160.5           19

147 - 153                   4                146.5 - 153.5             7

140 - 146                   3                139.5 - 146.5             3

We have, \(n=44\).

\(\dfrac{n}{2}=\dfrac{44}{2}\)

\(\dfrac{n}{2}=22\)

The 22th term is include in the class 160.5 - 167.5 because is cf is greater than 22 but the cf of o preceding class is less than 22. So, it is the median class is 160.5 - 167.5.

Formula for median:

\(Median=l+\dfrac{\dfrac{n}{2}-cf}{f}\times h\)

Where, l is the lower limit of median class, cf is the cumulative frequency of preceding class, f is the frequency of median class and h is the size of the class.

Now, \(l=160.5,f=15,cf=19,h=7\).

\(Median=160.5+\dfrac{22-19}{15}\times 7\)

\(Median=160.5+\dfrac{3}{15}\times 7\)

\(Median=160.5+1.4\)

\(Median=161.9\)

Therefore, the median of the given data table is 161.9.

The correct statement regarding the linear functions is given by:

Both plans cost the same when 50 texts are sent.

A linear function is modeled by:

y = mx + b

In which:

For this problem, we consider the flat fee as the intercept and the cost per message as the slope, hence the functions are given by:

Initially, Hiroto costs are higher, then after the threshold, Emilia's costs are higher. The threshold is given by:

E(x) = H(x)

10 + 0.25x = 20 + 0.05x

0.2x = 10.

x = 100/2

x = 50.

Hence the correct statement is given by:

Both plans cost the same when 50 texts are sent.

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Answer:

∠GIH or ∠HIG

Explanation:

Just make sure the vertex of the angle is the middle letter. In this case, it is I.

we have the expression

Remember that

substitute

therefore

a=6

b=2

The intersection of plane TUYX and plane VUYZ is found as UY.

For the stated question-

According to the supplied figure, TUYX is one side of both the rectangular prism while UVYZ is its opposite side.

One edge, which is represented by the line segment UY, has both sides intersecting perpendicularly.

It is depicted in the figure.

Thus, UY is the line that intersects as a result.

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The correct question is attached.

Answer:

D: 3/11

Step-by-step explanation:

3/11 is equal to .2727272727 which is known as a repeating decimal as it is never-ending.

3/5 = .6

3/8 = .375

3/10 = .3

Answer:

25/3

Step-by-step explanation:

not confident if you know please make me correct

Answer:

\(25/3.\)

Step-by-step explanation:

\(if \: x = 5\\ if \: y = 3 \\ then \to \\ {9x}^{2} y {}^{ - 3} = \frac{ {9x}^{2} }{y{}^{3} } = \frac{9 \times {5}^{2} }{ {3}^{3} } \to \\ \\ {9x}^{2} y {}^{ - 3} = {5}^{2}3{}^{ - 1} \\ {9x}^{2} y {}^{ - 3} = \boxed{25/3} \to \: if \: x \: = 5 \: and \: y = 3.\)

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