Can someone please explain what I did wrong here? Thank you!

Answer:

10x^2-10x+3

Step-by-step explanation:

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Answer: 18

Step-by-step explanation:

1/4 of 32 = 8

8+10 = 18

The area of the figure is 80 square inches. Check more about area below.

To find the area:

Lets take area as A.

Therefore,

Note that rectangles A is eight inches long each and four inches wide. base: sixteen inches and width is seven inches.

A= rectangles A - rectangles B

= 16 * 7 - 8 * 4

=112- 32

80

Therefore, the area of the figure is 80.

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Answer:

37 ft

Step-by-step explanation:

The ladder forms a right triangle as it elan's against the wall of the boat house.

Thus, the length of the ladder can be determined using Pythagorean theorem.

c² = a² + b²

c = length of ladder

a = 35 ft

b = 12 ft

Plug in the values

c² = 35² + 12²

c² = 1,225 + 144

c² = 1,369

c = √1,369

c = 37

Therefore, to reach the roof of the boathouse, the length of the ladder = 37 ft

Answer:

\( \frac{ \sin {}^{3} A - \cos {}^{3} A }{ \sin A - \cos A} \\ \\ { \sf{ = \frac{ {( \sin A - \cos A)}^{3} + 3 \sin A \cos A( \sin A - \cos A)}{ \sin A - \cos A} }} \\ \\ = { {( \sin A - \cos A)}^{2} + 3 \sin A \cos A} \\ { \sf{ = ( \sin {}^{2} A + \cos {}^{2} A) - 2 \sin A \cos A + 3\sin A \cos A}} \\ = { \sf{1 +\sin A \cos A }} \)

#hence proved

Answer:

It will add 20

Step-by-step explanation:

If the mean is 50, we can make the guess that maybe there are 10 children with all 50. If we add 20 then the mean becomes 70.

What must be true about the value of a​ is that is must be greater than 1

It is important to note that algebraic expressions are those expressions that are consisting of terms, coefficients, factors, constants and variables.

They are identified with arithmetic operations like;

From the information given, we have the expression;

2-2a

To get a negative value, a = 2

2 - 2(2)

2 - 4

subtract the values

-2

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Answer:

rectangle

Step-by-step explanation:

The geometric shape that is modeled by a strip on a flag would be a rectangle. That is because just like a rectangle the shape has a total of four sides in which both parallel sides are equal in length to its matching counterpart but at the same time different from its adjacent sides. All of which are characteristics of a rectangle and at the same time found on all strips of flags.

Answer:

f(x) = -38 :)

Step-by-step explanation:

f(x) = -3x - 5

        -3(11) - 5

     = -38

Answer:

The answer is f(x) = -38

Step-by-step explanation:

f(x) = -3x - 5 -3(11) - 5 = -38

===================================================================

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184 people

groups of 13

How many vans needed to take the people to the hotel.

\( \frac{184}{13} \)

\( = 14.1538461538\)

\(nearest \: whole \: number = 14\)

therefore, they'll need 14 vans to take the people to the hotel.

answer= option B

48.5 feet

1) Sketching this we have:

2) As the point here is how much string was left out, then let's use a trigonometric ratio to find out that hypotenuse since height is always perpendicular (90º with the ground).

3) Hence, that kite's string is 48.5 feet long

The demand function for good X is Qx = m - 3Px + 2Py, where Qx is the quantity demanded of X, m is income, Px is the price of X, and Py is the price of a related good Y. The equation shows that the demand for X is inversely related to its price and directly related to the price of Y. Income, price of X, and price of Y collectively affect the overall demand for X.


The demand function for good X is given by Qx = m - 3Px + 2Py, where Qx represents the quantity demanded of good X, m is the income, Px is the price of good X, and Py is the price of a related good Y. In this equation, the income and prices are assumed to be positive.

To determine the demand for good X, we can analyze the equation. The coefficient -3 in front of Px indicates that the demand for good X is inversely related to its price. As the price of X increases, the quantity demanded of X decreases, assuming other factors remain constant. On the other hand, the coefficient 2 in front of Py indicates that the demand for good X is directly related to the price of the related good Y. If the price of Y increases, the quantity demanded of X also increases, assuming other factors remain constant.

Furthermore, the term (m - 3Px + 2Py) represents the overall effect of income, price of X, and price of Y on the quantity demanded of X. If income (m) increases, the quantity demanded of X increases. If the price of X (Px) increases, the quantity demanded of X decreases. If the price of Y (Py) increases, the quantity demanded of X increases.

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Answer:

The Medinas left $9.78 for a tip

Step-by-step explanation:

Percentages

The Medinas went out to eat at Chilli's and the bill was $65.20. They tipped 15% to their server.

This percentage is calculated over the amount of the $65.20 bill, thus the tip was:

15% of 65.20 = 15/100 * $65.20 = $9.78.

The Medinas left $9.78 for a tip

Answer:

87.50??

Step-by-step explanation:

OKAY Im not to sure if this is right but here-

Answer:

it is 14 ok ok ok

Step-by-step explanation:

The probability of a Type II error is represented by beta. Thus, the correct answer is option B.

Beta represents the probability of failing to reject the null hypothesis when it is false.

On the other hand, Type I error (alpha) represents the probability of rejecting the null hypothesis when it is true. A Type II error occurs when a false null hypothesis is not rejected. Hence, beta is the probability of making a Type II error.

The null hypothesis is rejected when the p-value is less than or equal to the level of significance, not exceeds it.

The p-value is the probability of obtaining a result as extreme as or more extreme than the observed result when the null hypothesis is true. If the p-value is less than the level of significance, the null hypothesis is rejected, and vice versa.

Hence, the statement "The null hypothesis is rejected when the p-value exceeds the level of significance" is false.

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Answer:

23 dollars

Step-by-step explanation:

26 is the total with tax, so subtract the tax to get the lunch by itself

Answer:

it's 5.75

Step-by-step explanation:

first i subtracted 3$ from 26.00 and got 23.00 then i divide 23.00 by 4 and got 5.75 so that's what they payed

A right angled triangle with height = 7, base = 11, by using the Pythagorean theorem, we can calculate the hypotenuse is approximately 13. Therefore, the missing side, x = 13.

In a right angled triangle, using the Pythagorean theorem: sum of the squares of the base and height is equal to the square of the hypotenuse, we can find the hypotenuse x.

\(x^2 = 7^2 + 11^2\)

\(x^2 = 49 + 121\)

\(x^2 = 170\)

Taking the square root of both sides, we get:

x ≈ 13.0384

Rounding this to the nearest tenth, we get:

x ≈ 13.0

Therefore, the length of x is approximately 13.0 units (rounded to the nearest tenth).

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Answer:

Step-by-step explanation:

Rearrange terms: -3x+4=6-3x

-3x+4=-3x+6

Subtract 4 from both sides

-3+4-4=-3x+6-4

Subtract the numbers

=3x==3x+2

Add 3x to both sides

=3x+3x=-3x+2+3x

-3x+3x=-3x+2+3x= 0=2 which is no solution

Answer:

Step-by-step explanation:

Hope it helps!

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Answer:

The circle one

Step-by-step explanation:

What you need to do is count the number of squares or slices it has and then count how Buchanan the chunk is divided into, should be 6

==============================================================

Explanation:

Ignore the dashed smaller lines for now. The solid black vertical lines form 4 smaller equal pieces, and not 5. Each tickmark represents 1/4 and not 1/5

So if you wanted to represent a model for \(\frac{1}{4}\div 6\), then you would use the lower left corner. However, we want that 1/4 to be 1/5 instead. So this is why the answer is the lower left corner.

Everything else is a correct model. We started dividing everything into 5 equal parts. Then we focused on one of those slices, and subdivided that slice into 6 equal parts. Imagine doing that for each slice and we should have 5*6 = 30 smaller pieces total. Hence \(\frac{1}{5} \div 6 = \frac{1}{5} \times \frac{1}{6} = \frac{1}{30}\)

Answer:

the expression is: \(^{15}P_3=\frac{15!}{(15-3)!}\)

and 2730 different ways are possible.

Step-by-step explanation:

In the given question we have to choose a president, vice

president, and secretary.

Permutations are used when order is important so, as in the given question order is required. We would use permutations

The formula used is: \(^nP_r=\frac{n!}{(n-r)!}\) where:

n=total number of objects

r=number of objects selected

In our case: n=15, r=3

Putting values and finding the answer:

\(^nP_r\\^{15}P_3=\frac{15!}{(15-3)!} =2730 \ ways\)

So, the expression is: \(^{15}P_3=\frac{15!}{(15-3)!}\)

and 2730 different ways are possible.

The correct answer is A. Standard deviation measures the dispersion or variability around the expected value or mean of a data set. It is a commonly used statistical measure to quantify the spread of data points.

Standard deviation is calculated by taking the square root of the variance. The variance is the average of the squared differences between each data point and the mean. By squaring the differences, negative values are eliminated, ensuring that the measure of dispersion is always positive.

A higher standard deviation indicates greater variability or dispersion of data points from the mean, while a lower standard deviation suggests that the data points are closer to the mean.

On the other hand, the mean (option B) is a measure of central tendency that represents the average value of a data set. It does not directly measure the dispersion or variability around the mean.

The coefficient of variation (option C) is a relative measure of dispersion that is calculated by dividing the standard deviation by the mean. It is useful for comparing the relative variability between different data sets with different scales or units.

The chi-square test (option D) is a statistical test used to determine if there is a significant association between categorical variables. It is not a measure of dispersion around the expected value.

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The value of the expression is -295/36. None of the given options is correct.

As per the given information,

the expression is 1 1/4j - 5/8k.

And j= 8/9 and k= 14/1.

Now, to find the value of the expression, first, simplify the expression,

1 1/4j - 5/8k = 5/4j - 5/8k.

Substitute the provided values j= 8/9 and k= 14/1 to the above expression, we get,

5/4j - 5/8k = 5/4(8/9) - 5/8(14/1)

5/4j - 5/8k = 40/72 - 70/8

5/4j - 5/8k = (40 - 630)/72

5/4j - 5/8k = -590/72

5/4j - 5/8k = -295/36.

Therefore, the value of the expression is -295/36.

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The net amount of money that you will have received during the 10-year life of the bond without any consideration of dividend reinvestment can be calculated by considering the semiannual interest payments and the inflation-adjusted face value of the bond.

The total net amount of money that you would have received is $17,750. The calculations are done as follows:

First, let's calculate the total interest payments over the 10-year period. The bond has a face value of $10,000 and a dividend rate of 4% per year payable semiannually. Since there are two interest payments per year, the semiannual interest payment is $200 ($10,000 * 4% / 2)
Over the first 5 years, there is no inflation adjustment, so the face value remains at $10,000.

Therefore, the total interest payments for these 5 years would be:

5 years * 2 payments per year * $200 per payment = $2,000.
In years 6 through 10, the face value increases by $1,150 each year. So, the face value at the end of year 6 would be $11,150, at the end of year 7 would be $12,300, and so on.

The total interest payments for these 5 years would be:

5 years * 2 payments per year * $200 per payment = $2,000.
Now, let's calculate the total face value at the end of the bond's life. At the end of year 5, the face value is $10,000. From year 6 to year 10, the face value increases by $1,150 each year.

So, the total face value at the end of year 10 would be:

$10,000 + $1,150 + $1,150 + $1,150 + $1,150 + $1,150 = $15,750.
Therefore, the net amount of money that you will have received during the 10-year life of the bond without any consideration of dividend reinvestment is the sum of the interest payments and the face value:

Total interest payments = $2,000
Total face value = $15,750
Net amount = Total interest payments + Total face value
Net amount = $2,000 + $15,750
Net amount = $17,750.

So, the total net amount of money that you would have received is $17,750.

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Answer:

pls see attached

Step-by-step explanation:

Assume you possess an asset with a total return of 16% last year. Assume last year's inflation rate was 4.6 percent. The real rate is 10.90%.

In fisher effect, nominal rate is like interest rate or rate of return.

We have to find real return rate. We have nominal rate as 16% and expected inflation rate as 4%, so will apply the formula and find the real rate.

(1+R)=(1+r)(1+h)

(1+ nominal rate) = (1+ real rate )(1+ expected inflation rate)

(1+ real rate )=(1+ nominal rate) / (1+ expected inflation rate)

real = (1.16) / (1.046) - 1

= 1.1089866 - 1

= 0.1090

= 10.90% is the real rate

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Answer:

Step-by-step explanation:

Solve by Completing the SquareSolve for xSolve Using the Quadratic FormulaSolve by FactoringWrite in Standard FormFactorFind the Roots (Zeros)Find All Complex SolutionsFind the Discriminant