pls help stuck on this one if you get it right ill mark you brainliest

Answer:

It is not Answer A for sure just got it wrong on the Test.

Step-by-step explanation:

Cannot tell you what the real answer is but have narrowed it down to 3.

DO NOT PICK HAVE SAME MIDPOINTS.

Answer:

The answer is A.

Step-by-step explanation:

I took the test and it was correct.

x = 1/2, 'x' represents the number of adults and children in the group, and since we can't have a fraction of a person, we can conclude that there is 1 adult and 1 child in the group.

Let's assume that the number of adults and children in the group is represented by the variable 'x'. Since the number of adults and children is the same, we can say that there are 'x' adults and 'x' children in the group.

Now, we know that the cost for each adult and each child to attend the carnival is $110. Since there are 'x' adults and 'x' children, the total amount paid by the group can be calculated by multiplying the cost per person by the total number of people:

Total amount paid = Cost per person * Total number of people

                 = $110 * (x + x)

                 = $110 * 2x

                 = $220x

We are given that the total amount paid by the group is $110, so we can set up the equation:

$220x = $110

To solve for 'x', we divide both sides of the equation by $220:

x = $110 / $220

x = 1/2

Therefore, 'x' represents the number of adults and children in the group, and since we can't have a fraction of a person, we can conclude that there is 1 adult and 1 child in the group.

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1 Ques

Answer

a) Subtract x from both sides:

Divide both sides by -4 to get:

(b)

Add x to both sides:

Subtract 16 from both sides:

Divide both sides by 26 to get:

Simplify:

(c)

Add 12 to both sides:

Subtract x from both sides:

Divide both sides by 7 to get: or we can write

The probability that the number of calls between 2:00 pm and 2:10 pm is exactly 200 is 0.000002204.

This can be calculated using the Poisson distribution. The Poisson distribution is used to model the probability of a given number of events occurring in a given time interval.

The Poisson equation is P(x) = (λ^x e^-λ)/x!

where λ is the expected number of occurrences per interval.
For this question, λ = 3/min, since the rate of calls to the computer software help desk is 3 per minute.
Plugging λ = 3/min into the Poisson equation, we get

P(x) = ((3/min)^200 e^-(3/min))/200!.
This simplifies to

P(x) = 0.000002204.

The probability of having exactly 200 phone calls to a computer software help desk in the 10-minute period from 2:00 pm to 2:10 pm is 0.000002204.
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Answer:

For #1 add up all males and females and then create a chart of how many bars males and females ate

Answer:

x = 20

Step-by-step explanation:

Given the triangles are congruent then corresponding angles are congruent, so

∠ N = ∠ E

To calculate ∠ E subtract the sum of the 2 given angles from 180

∠ E = 180 - (x - 5 + 4x - 10)

     = 180 - (5x - 15)

Equate ∠ N and ∠ E

5x - 5 = 180 - 5x + 15 ( add 5x to both sides )

10x - 5 = 195 ( add 5 to both sides )

10x = 200 ( divide both sides by 10 )

x = 20

Following are the mathematical operations for the numerics.

An operation is a function in mathematics that transforms zero or more input values into a clearly defined output value. The operation's arity is determined by the number of operands.

In mathematics, addition, subtraction, multiplication, division, and modular forms are the five basic operations.

Calculating a value using operands and a math operator is referred to as performing a mathematical "operation." The math operator's symbol has predetermined rules that must be applied to the supplied operands or numbers. Image: The basic mathematical operation symbols. A set of numbers and operations make up a mathematical expression.

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The four integers are 5, 5, 12 and 14.

A data set's mean (average) is calculated by summing all of the numbers in the set, then dividing by the total number of values in the set.

When a data collection is ranked from least to greatest, the median is the midpoint. The number that appears most frequently in a data set is called the mode.

Given:

Mean= 9

Median = 8.5

Mode = 5

Range = 9.

let the numbers arranged in ascending order are a,b,c,d

Median: b+ c /2 = 8.5

b+ c = 17 (number in the middle)

Mode: a = 5, b= 5 {because mode is the most repeating data}

Range: d- a = 9 (last one minus first one)

d= 9 + 5

d= 14

Now, b+c = 17

c= 17-5

c= 12

So, the data is 5 ,5, 12, 14.

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Answer: Range is 10, Median is 7, Mode is 7, Mode is 7.8

Step-by-step explanation:

Answer:

C)  (-1, -4) and (4, 6)

Step-by-step explanation:

\(\textsf{Equation 1}:y=2x-2\)

\(\textsf{Equation 2}:y=x^2-x-6\)

Substitute Equation 1 into Equation 2 and solve for x:

\(\implies 2x-2=x^2-x-6\)

\(\implies x^2-3x-4=0\)

Find two numbers that multiply to -4 and sum to -3:  -4 and 1

Rewrite the middle term as the sum of these two numbers:

\(\implies x^2-4x+x-4=0\)

Factorize the first two terms and the last two terms separately:

\(\implies x(x-4)+1(x-4)=0\)

Factor out the common term \((x-4)\):

\(\implies (x+1)(x-4)=0\)

\(\implies (x+1)=0 \implies x=-1\)

\(\implies (x-4)=0 \implies x=4\)

Substitute the found values of x into Equation 1 and solve for y:

\(x=-1 \implies y=2(-1)-2=-4\)

\(x=4 \implies y=2(4)-2=6\)

Therefore, the solution to the system of equations is:

(-1, -4) and (4, 6)

Without specific table structures and dependencies provided, it is not possible to determine the 1NF, 2NF, and 3NF of the bookorder tables.

To determine the 1NF, 2NF, and 3NF of the bookorder tables, we need to consider the normalization process and identify any dependencies among the attributes. Without the specific table structures and dependencies provided, it is not possible to provide a specific answer. However, in general, the normalization process aims to eliminate data redundancy and update anomalies by organizing data into separate tables based on functional dependencies. In 1NF, each attribute should hold atomic values. In 2NF, non-key attributes should depend on the entire key. In 3NF, non-key attributes should depend only on the key, not on other non-key attributes. The specific normalization steps depend on the specific attributes and dependencies in the given tables.

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Answer: $3.96 per quart

Step-by-step explanation:

2 gallons = 8 quarts

Price per quart = 31.68/8 = $3.96

Therefore, price per quart = $3.96

Answer:

$3.36 per gallon

Step-by-step explanation:

So 2 gallons is equal to 8 quarts, so then you do $31.68 divided by 8 which gives you the answer of $3.36 per gallon

Answer:

(x+y)(x-y-1)

Step-by-step explanation:

x²-y²-x-y= (x+y)(x-y)-(x+y)= (x+y)(x-y-1)

Answer:

(x + y)(x - y - 1)

Step-by-step explanation:

x² - y² - x - y =

= (x - y)(x + y) - (x + y)

= (x + y)(x - y - 1)

use a² - b² = (a - b)(a + b)

Changing from Two-sigma limits to three-sigma limits helps to reduce the probability that defects will be generated by the process. Hence the correct answer is C.

This is used to refer to the inclusion of about ninety-five percent of data plotted on the normal distribution curve.

Three sigma-limit on the other hand is a statistical calculation where data fall within three standard deviations from a mean.

If in a manufacturing firm, the quality control unit issues out a polity to reject products that are within two standard deviations to their accepted mean, then more errors will be captured thus resulting in a lot of loss or defective products.

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Answer:

14

Step-by-step explanation:

- the kite is equal in length

- 7+7

= 14

Answer:

the answer is (7)

Step-by-step explanation:

                                                  hope it helps :)

a. The function that best approximates the given data is:

g(x) = 1.896 sin x - 2.208 cos x

b.  The constant c that makes the expression as small as possible is given by the above expression.

(a) To set up the normal equations for the given data set, we first define the function:

g(x) = a sin x + 3 cos x

where a and 3 are the coefficients that we want to determine. We then use the method of least squares to find values of a and 3 that minimize the sum of squared errors between the function g(x) and the data points (k, yk).

The sum of squared errors is defined as:

S = Σ(yk - g(k))²

where Σ represents the sum over all k from 0 to m.

To minimize S, we take the partial derivatives of S with respect to a and 3 and set them equal to zero:

∂S/∂a = -2Σ(yk - g(k)) sin k = 0

∂S/∂3 = -2Σ(yk - g(k)) cos k = 0

These equations are known as the normal equations. Solving these equations simultaneously, we get:

a = 1.896

3 = -2.208

Therefore, the function that best approximates the given data is:

g(x) = 1.896 sin x - 2.208 cos x

(b) To find the constant c that makes the expression as small as possible, we need to take the derivative of the expression with respect to c and set it equal to zero:

d/d(c) [Σ(f(ak) - ce^(-k^2))] = -2Σe^(-k^2)(f(ak) - ce^(-k^2)) = 0

Solving for c, we get:

c = Σf(ak)e^(-k^2) / Σe^(-2k^2)

Therefore, the constant c that makes the expression as small as possible is given by the above expression.

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The increase in utility is more when one more unit of good C is added in the consumption bundle, and thus, Boyd would prefer to consume one more unit of good C.

Based on the given data, we can see that Boyd's utility function is U=100B^0.5C^0.5.

Boyd's initial consumption bundle is B=10 units and C=4 units, which gives a total utility of 10010^0.54^0.5 = 2000.

When Boyd adds one more unit of good B to his consumption bundle, his new consumption bundle is B=11 units and C=4 units, which gives a total utility of 10011^0.54^0.5 = 2200.

When Boyd adds one more unit of good C to his consumption bundle, his new consumption bundle is B=10 units and C=5 units, which gives a total utility of 10010^0.55^0.5 = 2236.

The increase in utility when Boyd adds one more unit of good C is 2236 - 2000 = 236, whereas the increase in utility when Boyd adds one more unit of good B is 2200 - 2000 = 200.]

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Answer:

He baked 448 on the second day

Step-by-step explanation:

Why because he Baked 224 on the 1st day 448 on the second day and 112 on the 3rd

Answer:

128 on the second day

Step-by-step explanation:

Answer:

The factors are \(2v+3,2v+3\).

The factors are not \(4v+3,4v+3\)

Step-by-step explanation:

Equation is \(4v^2=-12v-9\).

This equation can be written as follows:

\(4v^2+12v+9=0\)

Here,

\(12v=6v+6v\)

Therefore,

\(4v^2+6v+6v+9=0\\2v(2v+3)+3(2v+3)=0\\(2v+3)(2v+3)=0\)

So, the factors are \(2v+3,2v+3\).

The factors are not \(4v+3,4v+3\)

Answer: F. n = s/180 + 2

Step-by-step explanation:

         To find the equation that solves for n, we will isolate the n variable.

Given:

     S = (n - 2) x 180

Divide both sides of the equation by 180:

     \(\frac{S}{180}\) = n - 2

Add 2 to both sides of the equation:

     \(\frac{S}{180}\) + 2 = n

Reflexive property:

    n = \(\frac{S}{180}\) + 2

                   F. n = s/180 + 2

The variance of a distribution of means of samples of more than one is A) smaller than the original population variance.

When considering the distribution of means of samples, the central limit theorem states that as the sample size increases, the sampling distribution approaches a normal distribution regardless of the shape of the population distribution. Additionally, the standard error of the mean decreases as the sample size increases.

The variance of a population is denoted by σ^2.

The variance of the distribution of sample means, also known as the sampling distribution, is denoted by σ^2/N, where N is the sample size.

As the sample size (N) increases, the denominator increases, leading to a smaller value for the variance of the distribution of sample means (σ^2/N). Thus, the variance of the distribution of means of samples is smaller than the original population variance.

The variance of a distribution of means of samples of more than one is smaller than the original population variance. This is due to the central limit theorem and the decrease in standard error as the sample size increases.

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A line chart is a type of graph used to show the relationship between two variables.

It is used for plotting data points that are connected by a straight line. The two variables can be either continuous or categorical. The line chart is useful for visualizing the relationship between the two variables and how they change over time. Line charts can be used to display data over a period of time, such as stock prices, or to compare different categories of data.

A pyramid chart is a type of graph used to compare different groups of data. It is usually used to show the relative sizes of different categories within a data set. The pyramid chart is generally preferred over the column chart because it is easier to compare the relative sizes of the different categories.

Pie charts are a type of graph used to show the relative size of different categories in a data set. They are useful for visualizing the proportions of the different categories. Pie charts can generally be used instead of bar charts, but they are not as useful for comparing the relative sizes of different categories or for displaying data over a period of time.

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The probability that the sample mean would differ from the population mean by greater than 2.4 gallons

To solve this problem, we need to use the central limit theorem and the formula for the standard error of the mean:

Standard error of the mean = standard deviation / square root of sample size

In this case, the standard deviation is the square root of the variance, which is 7. Therefore, the standard error of the mean is:

Standard error of the mean = 7 / square root of 43 ≈ 1.061

Next, we need to calculate the z-score for a difference of 2.4 gallons:

z-score = (sample mean - population mean) / standard error of the mean
z-score = (101 - 101.6) / 1.061 ≈ -0.566

Note that we subtract the population mean from the sample mean because we want to know how much the sample mean differs from the population mean.

Finally, we can use a standard normal distribution table (or a calculator) to find the probability that a z-score is less than -0.566 or greater than 0.566 (since the distribution is symmetric). The probability of a z-sitcore less than -0.566 is approximately 0.2881, so the probability of a z-score greater than 0.566 is also approximately 0.2881. Therefore, the probability that the sample mean would differ from the population mean by greater than 2.4 gallons is:

Probability = 0.2881 + 0.2881 ≈ 0.5762

Rounding to four decimal places, the answer is 0.5762.

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u are cheating we must help

Answer:

2.5x10^5

Step-by-step explanation:

Answer:

The exponential function represents growth, the percentage rate of increase is 7.8 %

Step-by-step explanation:

Please see the attachment.

The exponential function represents growth, the percentage rate of increase is 7.8 %

Answer:

10. 535

Step-by-step explanation:

296 quarters is equal in value to 74 dollars.

To determine the value of 296 quarters in dollars using dimensional analysis, we need to convert the number of quarters to dollars. Since 4 quarters are equivalent to 1 dollar, we can set up a conversion factor:

1 dollar = 4 quarters

To cancel out the unit "quarters" and end up with "dollars," we multiply the given quantity (296 quarters) by the conversion factor:

296 quarters × (1 dollar/4 quarters) = 74 dollars

Therefore, 296 quarters is equal in value to 74 dollars.

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Answer:

100cm^2

Step-by-step explanation:

5×2=10 which is one side

base×height=area

10×10=100