A wire that is 32 centimeters long is shown below.
The wire is cut into two pieces, and each plece is bent and formed into the shape of a square.
Suppose that the side length (in centimeters) of one square is x, as shown below.
A
(a) Find a function that gives the total area 4 (x) enclosed by the two squares (in
square centimeters) in terms of x.
(b) Find the side length x that minimizes the total area of the two squares.
Side length x centimeters
(c) What is the minimum area enclosed by the two squares?
Minimum area: square centimeters
Check
MO
di
8:
X

Answer:

80°

Step-by-step explanation:

180° - 100° = 80°

The function f(x) = (x² - 4)/x is increasing over it's entire domain as the derivative is always positive.

The function for this problem is defined as follows:

f(x) = (x² - 4)/x.

Applying the quotient rule, the derivative of the function is given as follows:

f'(x) = [2x(x) - (x² - 4)]/x²;

f'(x) = [2x² - x² + 4]/x²;

f'(x) = (x² + 4)/x²;

We have a quotient in which both terms are always positive(x² is always positive, and so is x² + 4), hence the derivative is always positive and the function is increasing over it's entire domain.

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The answer to this question after completing the recursively-defined function to describe this sequence the next term would be 10206.

The sequence described in the problem is generated by a recursively-defined function, where each term is calculated based on the previous term. The first term of the sequence is given as f(1) = 14000. The next terms are then calculated by applying the function f(n) = f(n-1) x 0.9, where n is the position of the term in the sequence, starting from 1.So, in this sequence, the second term is given by f(2) = f(1) x 0.9 = 14000 x 0.9 = 12600. The third term is then given by f(3) = f(2) x 0.9 = 12600 x 0.9 = 11340. This pattern continues, with each term being calculated as the previous term multiplied by 0.9.Given this information, the next term in the sequence can be calculated as f(n) = f(n-1) x 0.9, where f(n-1) = 11340. Hence, the next term in the sequence is f(n) = 11340 x 0.9 = 10206.Therefore, the answer to the question is 10206.

f(1)=14000; f(n)= f(n-1) x 0.9

14000,12600,11340…

12600=14000=0.9;11340/12600=0.9

f(1)=14000

f(2)=12600=1400x0.9=f( 1).0.9

f(3)=11340=12600x0.9=f(2).0.9……..

f(n)=f(n-1).0.9

Therefore the next sequence is 11340x0.9

=10206

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The results in a two-way table are shown below.

Suppose two dimensions are there, viz X and Y. Some values of X are there as X_1, X_2, ... , X_n and some values of Y are there as Y_1, Y_2, ... , Y_n

List them in title of the rows and left to the columns. There will be n \times k table of values will be formed(excluding titles and totals), such that:

Value(ith row, jth column) = Frequency for intersection of  X_i  and Y_j  (assuming X values are going in rows, and Y values are listed in columns).

Then totals for rows, columns, and whole table are written on bottom and right margin of the final table.

For n = 2, and k = 2, the table would look like:

[tex]\begin{array}{cccc}&Y_1&Y_2&\rm Total\\X_1&n(X_1 \cap Y_1)&n(X_1\cap Y_2)&n(X_1)\\X_2&n(X_2 \cap Y_1)&n(X_2 \cap Y_2)&n(X_2)\\\rm Total & n(Y_1) & n(Y_2) & S \end{array}[/tex]

where S denotes total of totals, also called total frequency.

n is showing the frequency of the bracketed quantity, and intersection sign in between is showing occurrence of both the categories together.

Given;

35 of the students are in Math Club

20 of those students are also in Chess Club

38 of the students are not in Math Club or Chess Club

Now

number of students        math club        chess club       none

            85                              35                     20                38

Therefore, the table is given above.

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The equation does not represent a direct proportion

From the question, we have the following parameters that can be used in our computation:

2.5=q-1.6

The above equation is a linear equation

When the equation is solved, we have"

q = 2.5 + 1.6

Evaluate the like terms

q = 4.1

The equation q = 4.1 is not a direct proportion

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There are 16215 ways in which the top 3 cars can finish the race.

From the question, we have the following parameters that can be used in our computation:

People = 47

Positions = 3

The number of ways to select the top 3 cars from 47 cars is can be calculated using the following combination formula

C(n, r) = n!/(r! * (n - r)!)

Substitute the known values in the above equation, so, we have the following representation

C(47, 3) = 47! / (3! * (47-3)!)

Evaluate

C(47, 3) = 16215

So there are 16215 ways in which the top 3 cars can finish the race.

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Answer:

2%

Step-by-step explanation:

3/60 = 2%

Answer:

5%

Step-by-step explanation:

[tex] \frac{3}{60} \times 100 = 5[/tex]

Answer:

Step-by-step explanation:

aerospace and aviation industry.

Answer:

aerospace and aviation

Step-by-step explanation:

no explanation sorry :)

Answer:

1st table: -2/1   2nd table: 3/-4

Step-by-step explanation:

Slope=m=[tex]\frac{rise}{run}[/tex]

1st table:

rise -2

run 1

2nd table:

rise 3

run -4

Answer:

108

Step-by-step explanation:

480÷30= 6 [no. of groups in 30]

18×6= 108

Answer:

288

Step-by-step explanation:

To estimate the number of 7th graders attending the dance, we need to extrapolate the sample proportion to the total population.

The sample proportion of 7th graders who are going to the dance is 18/30 = 0.6.

So, the estimated number of 7th graders who will attend the dance is:

0.6 * 480 = 288.

The ratio of candidates for President to total candidates is given as follows:

Number of candidates for President : Total number of candidates.

The ratio between two amounts a and b is obtained applying a proportion, as it is the division of the amount a by the amount b, as follows:

r = a : b.

The amounts for this problem are given as follows:

Hence the ratio is given as follows:

Number of candidates for President : Total number of candidates.

The problem is incomplete, hence the general procedure to obtain the ratio was presented.

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Given two sets, A ⊂ B this statement is true.

A little letter, like x, y, or z, is typically used to represent a set element. You may sum up a set by listing all of its components inside of brackets. The items that make up a set are referred to as its elements (or members), and the set is said to contain the elements when they are claimed to belong to it. A set often consists of other mathematical objects like numbers, variables, or geometric points as its elements.

Given that,

A = {1,2}

B = {1,2,3,4}

Thus, A ⊂ B, because all elements of the set A are the elements of the set B.

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The complete question is as follows:

3/15

1/3 of 3/5 is the same as multiplying

if it were only 1 acre it would look like 1/3 x 1 so for 3/5 of an acre, it is

(1/3) x (3/5)

remember, multiplying fractions is numerator to numerator, and denominator to denominator.

so (1/3) x (3/5) = 3/15

The price of one citron is 2.5 units and the price of one fragrant wood apple is 8 units.

Let's write "x" for the cost of citron and "y" for the cost of a fragrant wood apple.

We know that 4 citrons + 3 fragrant wood apples = 34 units => 4x + 3y = 34

And, 3 citrons + 4 fragrant wood apples = 29 units => 3x + 4y = 29

The values of x and y can be determined by solving this system of equations.

We can isolate x starting with the first equation:

4x + 3y = 34 => 4x = 34 - 3y

We can now change x in the second equation to the following expression:

3(34 - 3y) + 4y = 29

102 - 9y + 4y = 29

102 = 29 + 9y

73 = 9y

So, y = 8, and the price of a fragrant wood apple is 8 units.

And finally, substituting this value of y in the first equation:

4x + 3(8) = 34

4x + 24 = 34

4x = 10

x = 2.5, the price of citron is 2.5 units.

Therefore, the price of one citron is 2.5 units and the price of one fragrant wood apple is 8 units.

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The per cent of 32 out of 80 will be 40% out of 80.

To translate this per cent problem, we can establish up a ratio table and use cross-multiplication to calculate the answer.

32 is x% out of 80

Set up the ratio table:

32 x%

-- = ---

80 100%

Now, cross-multiply to solve for x:

32 × 100 = x% × 80

3200 = 80x

Now, divide both sides by 80 to calculate x:

3200 / 80 = 80x / 80

40 = x

So, the answer is 40%. Therefore, 32 out of 80 is 40% out of 80.

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Answer:

Before the price reduction, the cost was 120 dollar.

What is the fundamental principle of multiplication?

Multiplication is the mathematical operation that is used to determine the product of two or more numbers. If an event can occur in m different ways and if following it, a second event can occur in n different ways, then the two events in succession can occur in m × n different ways.

We are given that shop advertises 25% off its prices in a sale a dress is 90% .

Here 90 percent is equivalent to 75%

Let X = 100%

So,X=(90×100)÷75

x =120

The price was 120 dollar.

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The average condition that must be imposed on k1 and k2 so that is also an unbiased estimator of is that k1 + k2 must equal 1.

In order for to be an unbiased estimator of the same parameter that and are estimating, the constants k1 and k2 that are multiplied by and must be carefully chosen. This is because in order for an estimator to be unbiased, its expected value must be equal to the parameter it is estimating. In other words, the sum of k1 and k2 multiplied by the parameter must equal the parameter itself. Therefore, for and to be unbiased estimators of the same parameter, the condition that must be imposed on k1 and k2 is that the sum of the two constants must be equal to 1. In other words, k1 + k2 = 1. This condition ensures that the expected value of is equal to the parameter, and thus is also an unbiased estimator of the same parameter.

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The measure of angle 5 of the transverse lines is; C.) 105°

The line transversal theorem states that If two parallel lines are cut by a transversal, then it means that corresponding angles are congruent. Two lines cut by a transversal are parallel IF AND ONLY IF corresponding angles are congruent.

Now, we are given that the measure of 2 is 75°. It is clearly seen that angle 5 is a corresponding angle to angle 1 and angle 1 forms a straight line with angle 2. Sum of angles on a straight line is 180 degrees. Thus;

angle 5 = 180 - 75

angle 5 = 105°

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The length of time will the two marathon runners will be one - half of a mile apart is 15 minutes.

The first marathon runner is going at 10 miles per hour while the second runner is going at 8 miles per hour.

This means that in one hour, the first runner would have covered 10 miles while the second would have covered 8 miles. They would be 2 miles apart.

If they would be 2 miles apart in one hour, the time till they are half a mile apart would be:

= 0. 5 / 2 x 60 minutes in an hour

= 15 minutes

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a. The mean of the sampling distribution of ô is 8%.

b. The standard deviation of the sampling distribution is 0.0115

c. The sampling distribution of p is approximately Normal

d. Probability that the random sample of 1000 adults will give a result within 2 would be -17.39 and 17.39.

e. No, finding that 10% of a sample of 1000 adults have never had a cavity does not provide convincing evidence that the American Dental Association needs to update their statistics and there is more than 8% of adults who have never had a cavity.

What is Standard deviation, Probability?

Standard deviation: Standard deviation is a measure of how evenly distributed numbers are. It is the square root of the Variance, which is the average of the squared deviations from the Mean.

Probability: Probability is an area of mathematics that deals with numerical descriptions of how probable an event is to occur or how likely a statement is to be true.

a. The mean of the sampling distribution of ô is 8%. This is the proportion of adults in the population who have never had a cavity, as stated by the American Dental Association.

b. The standard deviation of the sampling distribution of p is given by the formula:

[tex]$\sigma_{\hat{p}}\\ = \sqrt{\frac{\hat{p}(1-\hat{p})}{n}} \\= \sqrt{\frac{0.08(1-0.08)}{1000}} \\= 0.0115$[/tex]

The standard deviation measures how much the sample proportions are likely to vary from the true population proportion.

In this case, the standard deviation of the sampling distribution is 0.0115, which means that the sample proportions are likely to vary by approximately 0.0115 from the true population proportion.

c. The sampling distribution of p is approximately Normal because the Large Counts condition is met. The Large Counts condition states that the sample size is large enough such that the sample proportions are approximately normally distributed, even if the population is not normally distributed. In this case, with a sample size of 1000, the sample proportions are likely to be approximately normally distributed.

d. To find the probability that the random sample of 1000 adults will give a result within 2 percentage points of the true value (6%-10%), we need to find the area under the normal curve that corresponds to this interval.

First, we need to standardize the interval by using the standard deviation of the sampling distribution:

[tex]$z_1 = \frac{6 - 8}{0.0115} = -17.39$[/tex]

[tex]$z_2 = \frac{10 - 8}{0.0115} = 17.39$[/tex]

Using a standard normal table or a normal calculator, we find that the area under the normal curve to the left of -17.39 is approximately 0 and the area under the normal curve to the right of 17.39 is approximately 0. Hence, the area under the normal curve between -17.39 and 17.39 is approximately 1, which means that the probability of getting a result within 2 percentage points of the true value is 100%.

e. No, finding that 10% of a sample of 1000 adults have never had a cavity does not provide convincing evidence that the American Dental Association needs to update their statistics and there is more than 8% of adults who have never had a cavity. The result of 10% is within the range of values that can be expected based on random sampling error. It is possible that the sample proportion of 10% is due to random chance, rather than a true change in the population proportion. To determine if the true population proportion has changed, more data and statistical analysis are needed.

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The discounted cost per person is, $24.50

And, The total cost for 20 people at the discounted price is, $2,205.

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

A group of 20 people wants to go on the Caribbean cruise.

And, The cruise ship offers a discount of 10%, or 0.1 times the cost, for groups of more than 10 people.

Hence, The discounted cost per person is,

⇒ 1% of $2450

⇒ 1/100 × $2450

⇒ $24.50

And, The total cost for 20 people at the discounted price is,

⇒ $2450 - 10% of 2450

⇒ $2450 - 10/100 × 2450

⇒ $2450 - $245

⇒ $2,205

Thus, The discounted cost per person is, $24.50

And, The total cost for 20 people at the discounted price is, $2,205.

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Answer:

The value of a is 4. This can be determined by multiplying both sides of the equation by 10, which yields 5√10 = 4√10 + 6√10. Subtracting 4√10 from both sides yields a√10 = 6√10, and dividing both sides by 6 yields a = 4.

Answer:

$10800

Step-by-step explanation:

The price of the car is $9000.

The interest is 20% of the price of the car, so the interest is 20% of $9000.

20% of $9000 = 0.2 × $9000 = $1800

She paid $1800 in interest.

The total she paid was the price of the car plus $1800 in interest.

$9000 + $1800 = $10800

Step-by-step explanation:

So the first step is to find the second number. Let the first missing number next to x be m and the second missing one be n

First find n

You would do this by using the first given set of variables, (0,7), this is because everything multiply by 0 is going to be 0, so it’s easy to find what is needed to make 7.

Step 2 is to take another pair, I used (3,13), but any other one will work that’s not 0. You would plug everything in to find m.

Step 3 is to check with a third pair to make sure it works.

Answer:

9/8

Step-by-step explanation:

3/16 x 6

= 3/16 x 6/1

= 18/16

= 9/8

Answer: 140

Step-by-step explanation: am big brain

The decimal numbers of given statements assuming that all other place values not mentioned are zeroes are:

1) = 50.06208

2) = 0.08088

3) = 10.02406

4) = 5.00439

5) = 0.06824

Decimal numbers are a type of real number representation that uses a base-10 system. Decimal numbers are made up of digits, with each digit representing a different place value. The place value of each digit in a decimal number is determined by its position in the number, with the rightmost digit representing the units place, the second digit from the right representing the tenths place, the third digit from the right representing the hundredths place, and so on. The decimal point is used to separate the integer part of the number from the fractional part. For example, in the decimal number 3.14, the integer part is 3 and the fractional part is 0.14.

Tens place reffers to the two digit first number while tenths place refers to the two digits and number from the decimal point

For example

Tens place = 198.879

While Tenths place = 198.879

And the same works for hundreds and hundredths and thousands and the thousandths.

Now, with information,

Put the values at their places as prescribed in  the question:

1)

5 in the tens place

6 in the tenths place

2 in the hundredths place

8 in the ten thousandths place

= 50.06208

2)

8 in the ten thousandths

place

8 in the thousandths place

8 in the tenths place

= 0.08088

3)

4 in the hundredths place

1 in the tens place

2 in the tenths place

6 in the ten thousandths place

= 10.02406

4)

3 in the thousandths place

4 in the hundredths place

5 in the ones place

9 in the ten thousandths place

= 5.00439

5)

8 in the hundredths place

6 in the tenths place

4 in the ten thousandths place

2 in the thousandths place​

0.06824

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Answer:

Step-by-step explanation:

Sorry if the dots confuse you, it's where the dots are graphed for people to see where I place them and to see if it matches. (Blue marks are 5 intervals.)

Answer:

(-3, -1/2)

Step-by-step explanation:

[tex]y=\frac{1}{2}x+1[/tex]

[tex]y=\frac{3}{2}x+4[/tex]

Move all the variables to one side and the numbers to the other

[tex]\frac{1}{2}x-y=-1[/tex]

[tex]\frac{3}{2}x-y=-4[/tex]

Multiply the first equation by -1 to solve by elimination

[tex]-\frac{1}{2}x+y=1[/tex]

[tex]\frac{3}{2}x-y=-4[/tex]

Subtract

[tex]x=-3[/tex]

Use substitution

[tex]y=\frac{(-3)}{2} +1[/tex]

[tex]y=-1.5+1[/tex]

[tex]y=-0.5=\frac{-1}{2}[/tex]

A. The rate of change for function A is, 3

B. The rate of change for function B is, 2

C. The function which has greater rate of change is, Function A

Rate is a ratio of change in one quantity w.r.t. change in another quantity. The net change in one quantity is written as, Δy and the net change in another quantity is written as, Δx.

So formula for the rate is,

m = change in one quantity/change in another quantity = Δy/Δx

Given that,

Two functions,

A.   y = 3x - 4

B.   x     -7    -5   -3    -1    1

     y      -10  -6  -2    2   6

Rate of change in both  =?

In simple words, rate of change is known as slope of the line,

Function A is already given in standard form of line, y = mx + c

So, by comparing it

m = 3

Rate of change in function A, 3

For function B, it is required to form equation of line,

By taking two values of x & y,

(-1, 2) & (1, 6)

Two points form of equation is,

y-y₁ =  y₂-y₁/x₂-x₁(x-x₁)

By putting values we get the equation,

y - 2 = (6-2)/(1-(-1))*(x - (-1))

y-2 = 4/2(x + 1)

y   =  2x + 4

By comparing it with, y = mx+ c

m = 2

Rate of change in function B = 2

And, it clearly visible, Rate of change in A is greater than In B

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