5x+2=7x-4. Plz answer my question

Answer:

54

Step-by-step explanation:

The percentage of students that like chocolate chip the best is 50% percent.

A percentage is a number or ratio that can be expressed as a fraction of 100. A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%", although the abbreviations "pct.", "pct" and sometimes "pc" are also used. A percentage is a dimensionless number; it has no unit of measurement.

Based on the information provided, the number of students that prefer chocolate chip flavor is 13. Using this number and the following formula, let's determine what percentage this number represents:

percentage = number of students x 100 / total of students

percentage = 13 x 100 / 50

percentage = 26%

This implies that the percentage of students who prefer chocolate chip flavor is 26% (twenty-six percent).

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complete question:

50 students were surveyed  about their favorite ice cream flavor in the cafeteria. the results are in the table below. what percent of students like chocolate chip the best ?

Note: This question is incomplete; here is the missing information:

Chocolate chip- 13

Vanilla- 25

Cookie Dough- 12

Answer:

1500g

Step-by-step explanation:

First, divide 200 by 24 so that you can have a common ratio. This would get you 8.333... Then multiply 8.333... to 180. This would get you the answer of 1500 g. Hope this helps :)

The amount of flour to make 200 cookies will be 1500 grams.

A ratio is a group of sequentially ordered numbers a and b expressed as a/b, where b is never equal to zero. When two objects are equal, a statement is said to be proportional.

The definition of simplicity is making something simpler to achieve or grasp while also making it a little less difficult.

If you need 180g of flour for 24 cookies.

Let 'x' be the amount of flour. Then the ratio of the flour to cookies will be constant.

x / 200 = 180 / 24

x = 200 x 180 / 24

x = 1500 grams

The amount of flour to make 200 cookies will be 1500 grams.

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Based on the given information, the estimate for the number of cells in a T75 flask can be calculated by comparing the number of cells in the picture to the field of view area and then scaling it up to the size of the T75 flask.

Given that there are 55 cells in the picture, we can use this information to estimate the density of cells in the field of view. The field of view has dimensions of 1.85 mm x 1.23 mm, which gives an area of 2.7095 square millimeters (\(mm^2\)). To calculate the cell density, we divide the number of cells (55) by the area (2.7095 \(mm^2\)), resulting in an approximate cell density of 20.3 cells per \(mm^2\).

Now, to estimate the number of cells in a T75 flask, we need to know the size of the flask's growth area. A T75 flask typically has a growth area of about 75 \(cm^2\). To convert this to \(mm^2\), we multiply by 100 to get 7500 \(mm^2\).

To estimate the number of cells in the T75 flask, we multiply the cell density (20.3 cells/\(mm^2\)) by the growth area of the flask (7500 \(mm^2\)). This calculation gives us an approximate estimate of 152,250 cells in the T75 flask. It's important to note that this is just an estimate, and actual cell counts may vary depending on various factors such as cell size, confluency, and experimental conditions.

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Answer: Q.a Arun thinks that -29/36 is exactly halfway between -8/9 and -13/18. We can check if this is true by finding the midpoint between -8/9 and -13/18 and seeing if it equals -29/36.

To find the midpoint between two numbers, we take the average of the two numbers. So the midpoint between -8/9 and -13/18 is:

((-8/9) + (-13/18))/2 = (-16/18 + (-13/18))/2 = -29/36

Since -29/36 is the same as the midpoint, Arun is correct.

Q.b To find the fraction exactly halfway between -1 3/4 and -11/6, we can start by converting the mixed number to an improper fraction:

-1 3/4 = -7/4

-11/6

To find the midpoint between -7/4 and -11/6, we take the average:

((-7/4) + (-11/6))/2 = (-21/12 + (-22/12))/2 = -43/24

Therefore, -43/24 is the fraction exactly halfway between -1 3/4 and -11/6 on the number line.

Step-by-step explanation:

Answer:

-48y+24

Step-by-step explanation:

−6⁢(⁠4y + 4y + (−4)⁠)

=-6(8y+-4)

=-48y+24

Answer:

-48y + 24

Step-by-step explanation:

−6⁢(⁠4y + 4y + (−4)⁠) =

= −6⁢(⁠8y - 4)

= -48y + 24

Answer:

I choose option c hope it helps

We have to determine whether the given series converges or diverges. The given series is as follows: `(n+4)! / 4!(n!)` Let's use the ratio test to find out if this series converges or diverges.

The Ratio Test: It is one of the tests that can be used to determine whether a series is convergent or divergent. It compares each term in the series to the term before it. We can use the ratio test to determine the convergence or divergence of series that have positive terms only. Here, a series `Σan` is convergent if and only if the limit of the ratio test is less than one, and it is divergent if and only if the limit of the ratio test is greater than one or infinity. The ratio test is inconclusive if the limit is equal to one. The limit of the ratio test is `lim n→∞ |(an+1)/(an)|` Let's apply the Ratio test to the given series.

`lim n→∞ [(n+5)! / 4!(n+1)!] * [n!(n+1)] / (n+4)!` `lim n→∞ [(n+5)/4] * [1/(n+1)]` `lim n→∞ [(n^2 + 9n + 20) / 4(n^2 + 5n + 4)]` `lim n→∞ (n^2 + 9n + 20) / (4n^2 + 20n + 16)`

As we can see, the limit exists and is equal to 1/4. We can say that the given series converges. The series converges. To determine the convergence of the given series, we use the ratio test. The ratio test is a convergence test for infinite series. It works by computing the limit of the ratio of consecutive terms of a series. A series converges if the limit of this ratio is less than one, and it diverges if the limit is greater than one or does not exist. In the given series `(n+4)! / 4!(n!)`, the ratio test can be applied. Using the ratio test, we get: `

lim n→∞ |(an+1)/(an)| = lim n→∞ [(n+5)! / 4!(n+1)!] * [n!(n+1)] / (n+4)!` `= lim n→∞ [(n+5)/4] * [1/(n+1)]` `= lim n→∞ [(n^2 + 9n + 20) / 4(n^2 + 5n + 4)]` `= 1/4`

Since the limit of the ratio test is less than one, the given series converges.

The series converges to some finite value, which means that it has a sum that can be calculated. Therefore, the answer is a).

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Answer:

$0.50

Step-by-step explanation:

Suppose that a person  bought  six T-bone steaks that cost $15.99 per pound

The weight that is listed on the package is 5.77 pounds.

The scale that weighed the package is accurate to within 1/32 pound

Let assume x is the range of the  weight listed on the package,

Then:

\(|x-5.77| \leq \dfrac{1}{32} \ --- \ (1)\)

Using the method of absolute value inequality;

\(- \dfrac{1}{32} \leq x -5.77 \leq \dfrac{1}{32}\)

\(5.77- \dfrac{1}{32} \leq x \leq \dfrac{1}{32}+ 5.77\)

\(5.77- 0.03125\leq x \leq 0.03125+ 5.77\)

\(5.73875 \leq x \leq 5.80125\)

The amount per kilogram undercharged or overcharged is :

\(=\dfrac{1}{32} \times 15.99\)

= $0.50

The correct answer is option C: The flux of F across C is the component of F orthogonal or normal to C at a point P on C.

The flux of a two-dimensional vector field F across a smooth oriented curve C can be thought of as the amount of "flow" of the vector field through the curve. It is given by the line integral of the vector field F over the curve C.

The line integral can be split into two components: one tangent to the curve and one orthogonal to the curve. The component tangent to the curve does not contribute to the flux, since it represents the work done by the vector field along the curve. The component orthogonal to the curve, on the other hand, represents the flow of the vector field across the curve, and this is what we are interested in.

Therefore, the flux of F across C is the component of F orthogonal or normal to C at a point P on C.

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Answer:

B

Step-by-step explanation:

B. Sine is an odd function because it is symmetric about the origin (along y=x or y=-x)

Hello!

1/6 ≈ 0.167

the answer is 0.167

Answer:

z = 150

Step-by-step explanation:

Answer:

2

Step-by-step explanation:

6-4=2

200/100=2

i think

Answer:

y = 4

Step-by-Step explanation:

4x5 = 20

2x5 = 10

20+10=30.

(4x5) + (2x5) = 30

or

(yx5) + (2x5) = 30

Brainliest would be appriciated :) have a nice day!

Answer:

42 customers

Step-by-step explanation:

We can write a ratio to solve

84 customers        x customers

-------------------- = -------------------

6 hours                  3 hours

Using cross products

84 * 3 = 6x

Divide each side by 6

84*3/6 = 6x/6

42 =x

42 customers

The number of quarters she have 11.

A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.

Let consider y = quarters; x = dimes

We know that there are 3 times as many dimes as quarters. So we can state that x = 3y.

Then, we say that 25y + 10x = 605

(Value of coin * amount of coins)

Then we substitute x=3y into the equation, yielding:

25y + 10(3y) = 605

25y + 30y = 605

55y = 605

605/55 = 11 = y

Therefore, the number of quarters she have 11.

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Answer:

minimum for given function C=10,000x + 20,000y is 67,380.

Step-by-step explanation:

Answer: it’s around y

Step-by-step explanation:

if you add then subtract them you get the answer

The value of data that might affect the statistical measures of spread and center is B. There is a high data value that causes the data set to be asymmetrical for the males.

Outliers stretch out the data further, resulting in a wider range and a higher standard deviation. On the other hand, eliminating outliers reduces data spread, resulting in a lower range and standard deviation.

When an outlier is present, it might change the way the graph looks since it raises the mean. From the chart, there is a high data value in the males which will therefore make the data to be asymmetrical for the males as the larger spread for the males means the data set tilts towards them.

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Answer:

It depends in which direction "away" means. If they are five units to the right then the answer should be 1. if they are 5 points away to the left then the answer would be -9.

Step-by-step explanation:

Basically it depends,

if its indicating to the right the equation would be=

-4+5=x

which to do this negative cancells out its positive, so you can just subtract their absolute values. 5-4=1. And to know which symbol it has you just indicate which factor has the greated absolute value. (aka 5 which is positive so the answer should be positive).

-----------------------------

if its to the left then the equation would be=

-4-5= x

(negative four subtracted by four)

and the easier way to do this would be to turn this equation into addition.

the new equation shall be: -4+(-5)=-9 since they are both negative integers  the sum should be negative.

Having the right product means that the software being developed meets the needs and requirements of its intended users.

This involves identifying the target audience, understanding their needs, and designing the software in a way that meets those needs. In addition to functionality, having the right product also means ensuring the software is user-friendly, reliable, and efficient. Achieving the right product requires effective communication between developers and stakeholders, as well as ongoing testing and feedback to ensure that the software meets its intended purpose.

Ultimately, having the right product leads to greater user satisfaction, increased productivity, and improved overall performance of the software.

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\(\huge\purple{Hi!}\)

nonagons=9sides=9×4=36

octagons=8sides=8×2=16

and you add it up and the answer will be 52.

Answer:

The runner with a mean running time of 6.2

Step-by-step explanation:

The value range parameters of the three runners are;

The mean running time of the runner, A = 6.2

The mean running time of the runner, B = 7.4

The mean running time of the runner, C = 6.9

The interquartile range of the runner, A = 1.1

The interquartile range of the runner, B = 0.02

The interquartile range of the runner, C = 0.08

Whereby the number of running times for the 3 runners is large, and with the assumption that distribution of the mean is normal, we have

The mean = The mode of  the data

Therefore, the minimum, and maximum running time of the runners are;

Runner A;

Minimum running time = 6.2 - 1.1 = 5.1

Maximum running time = 6.2 + 1.1 = 7.3

Runner B;

Minimum running time = 7.4 - 0.02 = 7.38

Maximum running time = 7.4 + 0.02 = 7.42

Runner C;

Minimum running time = 6.9 - 0.08 = 6.82

Maximum running time = 6.9 + 0.08 = 6.98

The fastest runner has the lowest running time;

Therefore, the fastest runner is runner A with a mean running time of 6.2  with a minimum running time of 5.1

both directions can be chosen as positive in this example. The right-hand rule solves these ambiguities. The resultant remains the same at 3.2 *10^4 Tm

It is possible for the line integral to go around the loop in either direction (clockwise or counterclockwise), the vector area dS to point in either of the two normal directions and Ienc, which is the net current passing through the surface S, to be positive in either direction—but both directions can be chosen as positive in this example. The right-hand rule solves these ambiguities.

The resultant remains the same at 3.2 *10^4 Tm

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Answer:

80

Step-by-step explanation:

5x2x8=80

Answer:

volume= 8*2*5

=80cube

Mean and Variance of Bernoulli Distribution:

The Bernoulli distribution is used to model a trial with two outcomes, typically denoted as success (x = 1) and failure (x = 0). The probability mass function (PMF) of a Bernoulli distribution is given by:

f(x) = p^x * (1 - p)^(1 - x)

where:

p is the probability of success

x is the outcome (either 0 or 1)

To find the mean (μ) and variance (σ^2) of the Bernoulli distribution, we can use the following formulas:

Mean (μ) = Σ(x * f(x))

Variance (σ^2) = Σ((x - μ)^2 * f(x))

Let's calculate the mean and variance:

Mean (μ) = 0 * (1 - p) + 1 * p = p

Variance (σ^2) = (0 - p)^2 * (1 - p) + (1 - p)^2 * p = p(1 - p)

Therefore, the mean (μ) of the Bernoulli distribution is equal to the probability of success (p), and the variance (σ^2) is equal to p(1 - p).

b) Mean and Variance of Binomial Distribution:

The binomial distribution is used to model the quantities of n independent Bernoulli trials. It represents the number of successes (x) in a fixed number of trials (n). The probability mass function (PMF) of a binomial distribution is given by:

f(x) = (n choose x) * p^x * (1 - p)^(n - x)

where:

n is the number of trials

x is the number of successes

p is the probability of success in each trial

(n choose x) is the binomial coefficient, calculated as n! / (x! * (n - x)!)

To derive the expression for the mean (μ) and variance (σ^2) of the binomial distribution, we can use the following formulas:

Mean (μ) = n * p

Variance (σ^2) = n * p * (1 - p)

Let's derive the mean and variance:

Mean (μ) = Σ(x * f(x))

= Σ(x * (n choose x) * p^x * (1 - p)^(n - x))

To simplify the calculation, we can use the property of the binomial coefficient, which states that (n choose x) * x = n * (n-1 choose x-1).

Applying this property, we have:

Mean (μ) = Σ(n * (n-1 choose x-1) * p^x * (1 - p)^(n - x))

= n * p * Σ((n-1 choose x-1) * p^(x-1) * (1 - p)^(n - x))

The summation term is the sum of the probabilities of a binomial distribution with n-1 trials. Therefore, it sums up to 1:

Mean (μ) = n * p

Now, let's derive the variance (σ^2):

Variance (σ^2) = Σ((x - μ)^2 * f(x))

= Σ((x - n * p)^2 * (n choose x) * p^x * (1 - p)^(n - x))

Similar to the mean calculation, we can use the property (n choose x) * (x - n * p)^2 = n * (n-1 choose x-1) * (x - n * p)^2. Applying this property, we have:

Variance (σ^2) = n * Σ((n-1 choose x-1) * (x - n * p)^2 * p^(x-1) * (1 - p)^(n - x))

Again, the summation term is the sum of the probabilities of a binomial distribution with n-1 trials. Therefore, it sums up to 1:

Variance (σ^2) = n * p * (1 - p)

Thus, the mean (μ) of the binomial distribution is equal to the number of trials (n) multiplied by the probability of success (p), and the variance (σ^2) is equal to n times p times (1 - p).

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Answer:

It is C

Step-by-step explanation:

C is true because you can make 12 per hour in the table shown

Answer:

C. 5/8

Step-by-step explanation:

A terminating decimal is a decimal that has a clear end. 5/8 as a decimal is 0.625. The rest have decimals that seemingly do not end.

To derive the demand function from the given utility function and endowment, we need to determine the optimal allocation of goods that maximizes utility. The utility function is U(x, y) = -e^(-x) - e^(-y), and the initial endowment is (1, 0).

To derive the demand function, we need to find the optimal allocation of goods x and y that maximizes the given utility function while satisfying the endowment constraint. We can start by setting up the consumer's problem as a utility maximization subject to the budget constraint. In this case, since there is no price information provided, we assume the goods are not priced and the consumer can freely allocate them.

The consumer's problem can be stated as follows:

Maximize U(x, y) = -e^(-x) - e^(-y) subject to x + y = 1.

To solve this problem, we can use the Lagrangian method. We construct the Lagrangian function L(x, y, λ) = -e^(-x) - e^(-y) + λ(1 - x - y), where λ is the Lagrange multiplier.

Taking partial derivatives of L with respect to x, y, and λ, and setting them equal to zero, we can find the values of x, y, and λ that satisfy the optimality conditions. Solving the equations, we find that x = 1/2, y = 1/2, and λ = 1. These values represent the optimal allocation of goods that maximizes utility given the endowment.

Therefore, the demand function derived from the utility function and endowment is x = 1/2 and y = 1/2. This indicates that the consumer will allocate half of the endowment to each good, resulting in an equal distribution.

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Answer:

3

Step-by-step explanation:

Finding a GPA is just like finding an average, you add up all of the different outcomes and divide it by the total amount of outcomes and you will get the average. You also need to know how many points each letter grade is worth. It is normally A=4.0 B=3.0 C=2.0 D=1.0 and F=0. In this case here is what you will add,

3+4+3+2=12

Now that you have the total number of points you need to divide the total by the total outcomes which would be,

12/4=3

3 is the final answer