A student needs to decorate a box as part of a project for her history class. A model of the box is shown.

A rectangular prism with dimensions of 22 inches by 14 inches by 3 inches.

What is the surface area of the box?

416 in2
232 in2
832 in2
616 in2

Answer:

x + (x+2) = 124

Step-by-step explanation:

Let x be the first odd number, then the next consecutive odd number would be x+2.

According to the problem, the sum of these two numbers is 124.

So, we can set up the following equation:

x + (x+2) = 124

Simplifying this equation:

2x + 2 = 124

Subtracting 2 from both sides:

2x = 122

Dividing both sides by 2:

x = 61

Therefore, the first odd number is 61, and the next consecutive odd number is 63.

To check, we can add them together:

61 + 63 = 124

So the solution is x = 61.

Answer:

x + x + 2 = 124

(and then you could solve that x=61 and the two numbers are 61 and 63)

Step-by-step explanation:

"sum" means adding. "consecutive" means the two numbers are in a row, or one right after the other. Like 3 and 4 are consecutive numbers and 3 and 5 are consecutive odd numbers. 3 and 11 are not consecutive.

So let one number be x.

Then next odd number after that is +2...so the 2nd number is x+2.

And they add up to 124. Write the equation like this:

 x + x + 2 = 124

If you want or need to solve then:

combine like terms.

2x +2 = 124

subtract 2.

2x = 122

divide by 2.

x = 61

then x+2 is 63.

Answer:

The given line has a slope of 1/4. The slope of any line perpendicular to this line will have a slope equal to the negative reciprocal of 1/4, which is -4.

We are also given that the line passes through the point (0, 2). Using point-slope form, we can write the equation of the line as:

y - y1 = m(x - x1)

where m is the slope and (x1, y1) is the point (0, 2). Substituting the values, we get:

y - 2 = -4(x - 0)

Simplifying, we get:

y - 2 = -4x

Adding 2 to both sides, we get the final equation of the line:

y = -4x + 2

Therefore, the equation of the straight line passing through the point (0, 2) which is perpendicular to the line y = 1/4x + 5 is y = -4x + 2.

This tetrahedron is known as a triangular pyramid and it has four triangular faces, four vertices, and six edges.

We can name the faces of the triangular prism as:

The edges would be:

The faces would be:

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Answer:

3 1/2 is located between 3 and 4 on the number line.

The solution to the equation 57 = 2070(0.93)^x - 11 to the nearest tenth is x ≈ 86.5.

A mathematical assertion that two expressions are equal is known as an equation.

A typical equation contains one or more variables, which are elements with several possible values.

Finding the values of the variables that make an equation true is the aim of equation solving.

A linear equation, which has the form:, is the most widespread sort of equation.

ax + b = 0

where the objective is to find the value of the variable x and a and b are constants.

A variable in mathematics is a symbol or letter that designates a value that is subject to variation or change. In algebraic expressions and equations, variables are used to denote unknown or fluctuating quantities, such as a building's height or the number of apples in a basket.

Typically, letters from the alphabet, such as x, y, and z, are used to represent variables. Mathematical expressions can be created using variables, constants (numbers), and operators (+, -, x, /, etc.) in an algebraic expression. As an illustration, the phrase 2x + 3y - 5z combines the three variables x, y, and z in a linear fashion.

According to the question ,

By adding 11 to both sides, we may isolate the exponential term first:

57 + 11 = 2070(0.93)^x

Streamlining the left side: 68 = 2070(0.93)^x

By 2070, divide both sides: 0.03285024 = (0.93)^x

Using both sides' natural logarithms: ln(0.03285024) = ln[(0.93)^x]

By applying the logarithm property, which states that ln(ab) = b ln(a):

ln(0.03285024) = x ln(0.93)

By dividing both sides by ln(0.93), one can find x:

x = ln(0.03285024) / ln(0.93)

When we evaluate this expression with a calculator, we obtain:

x ≈ 86.5

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Answer:

Step-by-step explanation:

hello, it seems this is problematic im sorry but I'm not sure if you could put a better picture.

Answer:

6-x-2x^2 - (-2x^2 +3x+2)=6-x-3x-2=-4x+4

The equation of the hyperbola with center (-10, 5), a focus at (-10, 15),

and a co-vertex at (-18,5) is:

[(y - 5)² / 36] - [(x + 10)² / 64] = 1

From the question, we are to determine the equation of the hyperbola with the given center, focus and co-vertex.

The equation of a hyperbola with center (h, k), a focus at (h, k + c), and a co-vertex at (h + b, k) is given by

[(y - k)² / a²] - [(x - h)² / b²] = 1

Where a² = c² - b²

From the given information,

The center of the hyperbola is (-10, 5)

Thus,

h = -10, k = 5

The focus is at (-10, 15)

By comparison with (h, k + c)

k + c = 15

5 + c = 15

c = 15 - 5

c = 10

The co-vertex is at (-18, 5)

By comparing with (h + b, k)

h + b = -18

-10 + b = -18

b = -18 + 10

b = -8

From the formula a² = c² - b²

Then,

a² = c² - b²

a² = 10² - 8²

a² = 100 - 64

a² = 36

Now,

We can write the equation of the hyperbola

[(y - k)² / a²] - [(x - h)² / b²] = 1

Substitute the values

[(y - (5))² / (36)] - [(x - (-10))² / (-8)²] = 1

[(y - 5)² / 36] - [(x + 10)² / 64] = 1

Hence,

The equation of the hyperbola is:

[(y - 5)² / 36] - [(x + 10)² / 64] = 1

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The critical value is Z = 2.331. The rejection region is Z > 2.33

What is meant by critical value?

A critical value is a value used in hypothesis testing to determine whether to reject or fail to reject the null hypothesis.

What is meant by rejection region?

The rejection region is the set of values that lead to the rejection of the null hypothesis in favor of the alternative hypothesis.

According to the given information

To find the critical value(s) and rejection region(s) for a right-tailed z-test with level of significance x = 0.01, we can use the following formula1:

Critical value: Z = Zα where α = x and Zα is the Z-score that corresponds to an area of α in the standard normal distribution table

Rejection region: Z > Zα

For a right-tailed test with α = 0.01, we can find the critical value using a standard normal distribution table1. The critical value is Z = 2.331. The rejection region is Z > 2.33

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The amount of money that Theresa has left is equal to £2,740.

In order to write a linear equation to describe this situation, we would assign variables to the cost of flights for each of them and the cost of accommodation for each of them respectively, and then translate the word problem into a linear equation as follows:

Let the variable a represent cost of flights for each of them.

Let the variable f represent cost of accommodation for each of them.

Since Theresa paid for herself and 11 friends to go on holiday with a flight cost of £339 and accommodation cost of £266, a linear equation to describe this situation is given by;

y = 12(a + b)

y = 12(266 + 339)

y = £7,260

For the amount of money left, we have:

Amount of money left = £10,000 - £7,260

Amount of money left = £2,740.

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The dot plot where each dot represents a friend is given below

We are given that;

Number of siblings= 4,1,0,3,2, 2

Now,

To create a dot plot using this data, we need to follow these steps:

Draw a horizontal number line with the values from 0 to 4, which are the possible numbers of siblings that Sarah’s friends have. Label the number line as “Number of siblings”.

For each value in the data set, place a dot above the corresponding number on the number line. If there are more than one friend with the same number of siblings, stack the dots vertically.

Give the dot plot a title, such as “Number of Siblings of Sarah’s Friends”.

The dot plot should look something like this:

Therefore, by the dot plot is shown above.

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Answer:

$25.10

Step-by-step explanation:

We can find the total amount Andrew spent at the hockey game by finding the sum of each individual cost, including the costs for admission, the program, the popcorn, and the large drink

Total amount spent = 13.50 + 4.75 + 3.50 + 3.35

Total amount spend = $25.10

Answer:

A. 500 cm3

Step-by-step explanation:

The general inverse variation equation is

y = k/x, where y varies inverse as x and k is the constant of proportionality.

Thus, if we substitute V for y and P for x in the equation, we have

V = k / x

To find k, we can plug in 80 for V and 2000 for P and solve for k:

80 = k / 2000

160000 = k

Finally, to find V when P = 320 millimeters, we can plug in 160000 for k and 320 for P and solve for V:

V = 160000 / 320

V = 500 cm3

The solution for the inequality -2(8x - 4) < 2x + 5 is x > 1/6.

What is an inequality?

In Algebra, an inequality is a mathematical statement that uses the inequality symbol to illustrate the relationship between two expressions. An inequality symbol has non-equal expressions on both sides. It indicates that the phrase on the left should be bigger or smaller than the expression on the right, or vice versa.

Let's simplify the inequality -

-2(8x - 4) < 2x + 5

Distribute the -2 -

-16x + 8 < 2x + 5

Subtract 2x from both sides -

-18x + 8 < 5

Subtract 8 from both sides -

-18x < -3

Divide both sides by -18, remembering to reverse the inequality because we're dividing by a negative number -

x > 3/18

Simplifying, we get -

x > 1/6

Therefore, the solution to the inequality is -

x > 1/6

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Interest earned on $25,000 when it is compounded annually for 2 years at the rate of 4.7% is $2,405.23.

Compound interest is the term for interest that is earned on interest.

This may be shown using simple math: if you start with $100 and it earns 5% interest every year, you will have $105 at the end of the first year.

At the end of the second year, you will have $110.25.

So, we know that:
Principal amount = $25000

Interest rate = 4.7%

Time = 2 years

Compounded annually

Then, using the compounding calculator:

(Refer to the graph attached below)

The amount after 2 years will be $27,405.23.

Interest in this is:
$27,405.23 - $25,000

$2,405.23

Therefore, interest earned on $25,000 when it is compounded annually for 2 years at the rate of 4.7% is $2,405.23.

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Correct question:

Find the interest earned on a $25,000 deposit for 2 years at 4.7% interest, compounded annually.

Answer:

7.07cm

Step-by-step explanation:

The function f(x) = a(b^x) is an exponential function, where "a" is the initial value or y-intercept of the function, and "b" is the base of the exponent, which determines the rate of growth or decay.

When x = 0, we have:

f(0) = a(b^0)

Since any number raised to the power of 0 is 1, we can simplify the expression to:

f(0) = a(1) = a

Therefore, when x is equal to 0, the value of the function is just the initial value "a". This is true for any exponential function of the form f(x) = a(b^x).

In other words, the initial value of an exponential function is the value of the function when x = 0, and in this case, that value is just "a".

The length of the arc CD is 14.13 centimeters.

Remember that for an arc defined by an angle a in a circle of radius R, the length of the arc is given by:

L  = (a/360°)*2*pi*R

Where pi = 3.14

Here the angle is a = 45°

And R = 18cm, so we can replace that in the formula above to find the length.

L = (45°/360°)*2*3.14*18cm = 14.13cm

That is the length of the arc CD.

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Therefore, the balance in Larry's savings account at the end of 8 years is $1,699.84.

Algebra. A financial management expert is often required to solve for variables in banking and investing financial models. Even if most of the work is now done for us by programmes like Excel, having a solid grasp of the fundamentals of algebra is still commonly seen as being very beneficial.

After eight years, the balance in Larry's savings account can be determined using the straightforward interest formula:

A = P(1 + rt)

where A represents the final balance, P the initial principal, r the yearly interest rate expressed as a decimal, and t the period of time in years.

In this case, we have P = $1,287, r = 0.04, and t = 8.

A = $1,287(1 + 0.04*8)

= $1,287(1.32)

= $1,699.84

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The longest cart that can pass through the second doorway is 85 inches or less in length.

e) To demonstrate that AABC~ACFD, we want to show that they have the very shape and that their comparing sides are corresponding.

To start with, we can see that point An is normal to the two triangles. Moreover, point BAC is harmonious to point FDC in light of the fact that they are both right points.

Additionally, point ABC is consistent to point ACF on the grounds that they are substitute inside points framed by the cross-over AC converging equal lines Stomach muscle and FD.

Then, we want to show that the relating sides are corresponding. We can begin by contrasting Stomach muscle and FD. We are given that Stomach muscle = 13 inches, and we can see that FD is the flat distance between the two entryways.

How about we call this distance x. Then, at that point, we can set up an extent:

Stomach muscle/FD = 13/x

To find the length of AC, we can utilize the Pythagorean Hypothesis. We know that BC = Cd = 60 inches, so:

[tex]AC^2 = AB^2 + BC^2[/tex]

[tex]AC^2 = 169 + 3600[/tex]

[tex]AC^2 = 3779[/tex]

[tex]AC = \sqrt{(3779)[/tex]

Presently, we can set up another extent:

AC/CF = Stomach muscle/FD

Subbing the qualities we viewed as before, we get:

[tex]\sqrt{(3779)}/CF = 13/x[/tex]

Increasing the two sides by x, we get:

[tex]x * \sqrt{(3779)}/CF = 13[/tex]

Addressing for CF, we get:

[tex]CF = x * \sqrt{(3779)}/13[/tex]

Thus, we have shown that AABC~ACFD on the grounds that they have similar shape and their comparing sides are relative.

f) The longest truck that can go through the subsequent entryway is a truck whose length is equivalent to or not exactly the level distance between the two entryways. This is on the grounds that the entryways are lined up with one another, so the main limitation on the length of the truck is the level distance between the two entryways.

We are given that the main entryway is 72 inches west of the beginning of the subsequent entryway, and we know that BA = 13 inches. In this way, the flat distance between the two entryways is:

FD = 72 + BA = 85 inches

Subsequently, the longest truck that can go through the subsequent entryway is a truck that is 85 inches or less long.

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Answer:

700 minutes

Step-by-step explanation:

First you need to see how much London even practices in one week. So we will divide the total minutes (t) 525 from the total weeks (w) 3:

t / 3 = m

where m equals the amount of minutes London practices in 1 week.

1) rewrite:

t / 3 = m

2) plug in variables:

525 / 3 = m

3) divide:

525 / 3 = 175

Therefore every week, London practices for 175 minutes.

Secondly, we are going to add 1 more week (175) to the total minutes London spent practicing for the 3 weeks (525).

t = m + m

Where t = total minutes altogether (4 weeks) and m equals the minutes of the 3 weeks and the minutes of 1 week.

1) rewrite:

t = m + m

2) plug in:

t = 525 + 175

2) add:

t = 700

Therefore, London would practice 700 minutes in 4 weeks if she practices the same amount every week.

Answer:

Step-by-step explanation:

if he uses 2/6 for his pasta, he should use 2/6 on his pizza (assumption) therefore, he should have used 4/6 of his tomato sauce jar

The median is the middle value in a data set when the values are arranged in order, so it would help the real estate agent to set a price that is not too high or too low compared to other similar houses. The student is misrepresenting their performance by reporting the mean as the average, which does not accurately reflect their performance due to the outlier.

In statistics, the mean is a measure of central tendency that represents the average value of a set of data. It is calculated by adding up all the values in the data set and dividing the sum by the number of values. The mean is often used to summarize a set of data with a single value that represents the "center" of the data.

Here,

1. For the first situation, the mode would be the most appropriate measure of central tendency because it would tell the supermarket manager which type of lettuce is purchased most often. The mode is the value that appears most frequently in a data set, so it would indicate which type of lettuce is the most popular among customers.

For the second situation, the mean would be the most appropriate measure of central tendency because it would give the average score of all the tests taken during the grading period. The mean is calculated by adding up all the scores and dividing by the number of scores, so it would give a good representation of the student's overall performance.

For the third situation, the median would be the most appropriate measure of central tendency because it would provide a value that is in the middle of the data set, with half of the comparable houses above and half below the selling price.

2. The student is reporting the mean as the average. The mean is calculated by adding up all the grades and dividing by the number of grades, so in this case, the mean would be (97 + 97 + 75 + 70 + 55)/5 = 78.8%. However, this is not an accurate representation of the student's course performance because the mean is sensitive to outliers, which in this case is the low grade of 55%.

If we calculate the median instead, which is the middle value when the grades are arranged in order, we get 77%, which is closer to the actual performance of the student. The median is not affected by outliers, so it provides a better representation of the center of the data set. The student is misrepresenting their performance by reporting the mean as the average, which does not accurately reflect their performance due to the outlier.

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The median is 77%, which is closer to the actual performance of the student.

what is mean?

In statistics, the mean is a measure of central tendency that represents the average value of a set of numbers. It is calculated by adding up all the values in a data set and dividing by the total number of values. The mean is also known as the arithmetic mean or the average. It is commonly used to summarize data and is one of the most widely used measures of central tendency. However, the mean can be sensitive to outliers, which are extreme values that can skew the average and make it less representative of the data set.

The student is reporting the mean as the average. The mean is calculated by adding up all the grades and dividing by the number of grades. In this case, the mean would be:

(97 + 97 + 75 + 70 + 55) / 5 = 78.8%

However, this is not an accurate representation of the student's course performance because the mean is sensitive to outliers, which in this case is the low grade of 55%. If we calculate the median instead, which is the middle value when the grades are arranged in order, we get:

75%, 70%, 55%, 97%, 97%

The median is 77%, which is closer to the actual performance of the student. The median is not affected by outliers, so it provides a better representation of the center of the data set.

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Answer:

We are given that the monthly profit, P, from a product is given by the quadratic function:

P = -x^2 + 105x - 1050

To find the lowest price of the product that gives a monthly profit of $1550, we need to solve the equation:

Rearranging this equation, we get:

To solve for x, we can use the quadratic formula:

x = (-b ± sqrt(b^2 - 4ac)) / 2a

where a = -1, b = 105, and c = -2600.

Substituting these values, we get:

x = (-105 ± sqrt(105^2 - 4(-1)(-2600))) / 2(-1)

x = (-105 ± sqrt(11025 - 10400)) / (-2)

x = (-105 ± sqrt(625)) / (-2)

We can simplify this expression to:

x = (-105 ± 25) / (-2)

Therefore, the two possible values of x are:

x = (-105 + 25) / (-2) = 40

x = (-105 - 25) / (-2) = 50

Since we are looking for the lowest price that gives a monthly profit of $1550, the answer is $40. Therefore, the lowest price of the product that gives a monthly profit of $1550 is $40.

Answer:

- The centers of the distributions should be similar

Step-by-step explanation: - The centers of the distributions should be similar

The number of students who belong to neither club is 6 students.

The number of students who are not in either club is 6.

Let's say that there are x students in the classroom.

We know that 1/2 of the students belong to the Chess Club, so 1/2 * x = 6 students belong to the Chess Club.

We also know that 1/3 of the students belong to the Drama Club, so 1/3 * x = 4 students belong to the Drama Club.

Since 1/4 of the students belong to both clubs, then 1/4 * x = 3 students belong to both clubs.

Therefore, the number of students who belong to only one club is 6 - 3 = 3 students.

The number of students who belong to neither club is 6 + 3 - 3 = 6 students.

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