Find the area and the circumference for the circle below. Use the math tools to get the correct symbols.

Find The Area And The Circumference For The Circle Below. Use The Math Tools To Get The Correct Symbols.

Answers

Answer 1

Answer:

Area = 78.54 sq. ft.  (25π)

Circumference = 31.42 ft.  (10π)

Step-by-step explanation:

Diameter of circle d = 10 ft
Radius r = Diameter/2 = 5

Area = πr² = π x 5² = π x 25 = 78.54 sq. ft. rounded to 2 decimal places

Circumference = πd = π x 10 = 31.42 ft. rounded to 2 decimal places.


Related Questions

Find the next two terms in the sequence 11,7,3,-1.

Answers

Answer:

11, 7, 3, -1, -5, -9

Step-by-step explanation:

To find the next two terms in the sequence 11, 7, 3, -1, we need to determine the pattern or rule that generates the sequence.

In this case, we can see that each term is decreasing by 4, so the next two terms should be -5 and -9.

Therefore, the complete sequence is:

11, 7, 3, -1, -5, -9

The drama club is selling tickets to their play to raise money for the show's expenses.
Each student ticket sells for $7 and each adult ticket sells for $10. The auditorium can
hold no more than 85 people. The drama club must make no less than $690 from
ticket sales to cover the show's costs. Also, they must sell a minimum of 10 student
tickets and at least 55 adult tickets. If a represents the number of student tickets sold
and y represents the number of adult tickets sold, write and solve a system of
inequalities graphically and determine one possible solution.

Answers

On solving the inequalities a ≥ 10, y ≥ 55, 7a + 10y ≥ 690, the solution is obtained as (20,55).

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.

Use the variables a and y to represent the number of student and adult tickets sold, respectively.

Then write the following system of inequalities -

a ≥ 10 (they must sell a minimum of 10 student tickets)

y ≥ 55 (they must sell at least 55 adult tickets)

7a + 10y ≥ 690 (they must make no less than $690 from ticket sales)

The first two inequalities are constraints on the number of tickets sold, and the third inequality represents the revenue constraint.

To find a possible solution, graph these inequalities on a coordinate plane and look for the feasible region that satisfies all three inequalities.

Alternatively, solve the system of inequalities using algebra.

First, simplify the third inequality by subtracting 7a from both sides -

10y ≥ 690 - 7a

Then, divide both sides by 10 -

y ≥ (690 - 7a)/10

This inequality represents the revenue constraint in terms of the number of student tickets sold.

Now combine the revenue constraint with the other two constraints -

a ≥ 10

y ≥ 55

y ≥ (690 - 7a)/10

Use substitution to solve for a in terms of y -

y ≥ (690 - 7a)/10

10y ≥ 690 - 7a

7a ≥ 690 - 10y

a ≥ (690 - 10y)/7

To find a possible solution, substitute a = (690 - 10y)/7 into the other two constraints -

(690 - 10y)/7 ≥ 10

y ≥ 55

These inequalities can be simplified -

690 - 10y ≥ 70

y ≥ 55

The first inequality can be solved for y -

-10y ≥ -620

y ≤ 62

Since it is known y ≥ 55, the feasible values for y are between 55 and 62, inclusive -

55 ≤ y ≤ 62

Now use the expression for a in terms of y to find the corresponding values of a -

a = (690 - 10y)/7

For each value of y between 55 and 62, inclusive, we can calculate a and check whether it satisfies the constraints -

a ≥ 10

y ≥ 55

7a + 10y ≥ 690

For example, when y = 55 -

a = (690 - 10(55))/7 = 20

7a + 10y = 7(20) + 10(55) = 690

Therefore, these values satisfy all three constraints, so one possible solution is a = 20 and y = 55.

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Cual es el precio de un metro cuadrado de las fincas de café y plátano es de

Answers

The price of one square meter of the coffee and plantain farm is $0.05.

What is a unit rate?

It is the quantity of an amount of something at a rate of one of another quantity.

In 2 hours, a man can walk for 6 miles

In 1 hour, a man will walk for 3 miles.

We have,

1 hectare of the farm = $500

Now,

To determine the price per square meter of a coffee and plantain farm.

We would need to divide the cost of 1 hectare = $500 by the number of square meters in a hectare.

So,

One hectare is 10,000 square meters.

This means,

= $500 ÷ 10,000 sq m

= $0.05 per square meter

Therefore,

The price of one square meter of the coffee and plantain farm is $0.05.

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The complete question.

What is the price of a square meter of coffee and plantain farms?

If 1 hectare of the farm is $500.

which polynomial represents the dividend for the division problem shown?

Answers

The dividend is 3x³ + 0x² - 1x - 1, which is option A.

Describe Polynomial?

In algebra, a polynomial is an expression consisting of variables (also known as indeterminates) and coefficients, which are combined using the operations of addition, subtraction, multiplication, and non-negative integer exponents. For example [tex]2x^2 - 3x + 1[/tex] is a polynomial of degree 2 with three terms.

The term "polynomial" comes from the Greek words "poly" (meaning "many") and "nomial" (meaning "term"). Polynomials are used in many areas of mathematics and science, including calculus, physics, and engineering.

Polynomials are classified by their degree, which is the highest exponent in the polynomial. For example, the polynomial [tex]2x^3 + 3x^2 - x + 5[/tex] is a cubic polynomial, because it has a degree of 3. Polynomials can also be classified by the number of terms they have. For example, a polynomial with only one term is called a monomial, while a polynomial with two terms is called a binomial.

Polynomials have many important properties, such as the fact that the sum and product of two polynomials is also a polynomial. Polynomials can also be factored into simpler polynomials, which can be useful in solving equations and finding roots.

Overall, polynomials are a fundamental concept in algebra and play an important role in many areas of mathematics and science.

The dividend is the product of the divisor and the quotient plus the remainder. In this problem, the divisor is -3x+7 and the quotient is[tex]3x^2-7x+9[/tex]. Using polynomial long division, we get:

[tex]3x^2 - 4x + 2[/tex]

[tex]-3x + 7 | 3x^3 + 0x^2 - 1x - 1[/tex]

[tex]-3x^3 + 7x^2[/tex]

[tex]-7x^2 - 1x[/tex]

[tex]-(-7x^2 + 16x)[/tex]

[tex]-15x - 1[/tex]

[tex]-(-15x + 35)[/tex]

[tex]-36[/tex]

Therefore, the dividend is [tex]3x^3 + 0x^2 - 1x - 1[/tex], which is option A.

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A 3 1/2 inch by 2 inch business card is being enlarged to 5 1/4 inches by 3 inches to use as an advertisement. What is the scale factor of the dilation?

Answers

To find the scale factor of the dilation, we can compare the corresponding dimensions of the original and the enlarged card.

The original card has a length of 3 1/2 inches and is being enlarged to a length of 5 1/4 inches. So the scale factor for the length is:

5 1/4 inches / 3 1/2 inches = 3/2

Similarly, the original card has a width of 2 inches and is being enlarged to a width of 3 inches. So the scale factor for the width is:

3 inches / 2 inches = 3/2

Therefore, the scale factor of the dilation is 3/2 or 1.5.

Which country is known as the ‘Land of Thunderbolts’?



(A) China



(B) Bhutan



(C) Mongolia



(D) Thailand




























































































































































IAS CHINADU KUMAR KHAN

Answers

Answer:  a

Step-by-step explanation:

karabee kailash

Bhutan is the one known as the “Land of thunderbolt”.

On a coordinate plane, a dashed straight line has a positive slope and goes through (negative 1, negative 1) and (0, 1). Everything to the left of the line is shaded.
Which linear inequality is represented by the graph?

Group of answer choices

y > 2x + 2

y ≥ One-halfx + 1

y > 2x + 1

y ≥ One-halfx + 2

Answers

The correct linear inequality would be y > 2x + 1.

Option (A) is correct.

What is linear inequality?

A linear inequality is an inequality that can be written in the form of a linear equation with an inequality symbol, such as < (less than), > (greater than), ≤ (less than or equal to), or ≥ (greater than or equal to).

We can see that the line passes through the points (-1, -1) and (0, 1), and has a positive slope. The equation of the line can be found using the point-slope form:

y - y1 = m(x - x1), where m is the slope and (x1, y1) is one of the points on the line.

Using the point (-1, -1) and the slope 2, we get:

y - (-1) = 2(x - (-1))

y + 1 = 2x + 2

y = 2x + 1

Since the line is dashed, the inequality is not inclusive of the points on the line. Therefore, we use the inequality symbol > rather than ≥.

so the linear inequality would be  y > 2x + 1.

Therefore, the correct linear inequality would be y > 2x + 1.

Option (A) is correct.

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Which value of x makes the following equation true?

2(x+8)=x+21

OA. -3
OB. 21
OC. 13
OD. 5

Answers

im pretty positive ur answer is 5

Find the volume of a sphere with a diameter of 18.8 cm, . Use 3.14 for π. Round your answer to the nearest tenth.

Answers

Answer:

volume of a sphere = [tex]\frac{4}{3} \pi r^{3}[/tex]

Radius = 18.8/2 = 9.4 cm

volume of the required sphere = [tex]\frac{4}{3} \pi (9.4)^{3}[/tex]

                                                   = [tex]\frac{4}{3}(3.14)(9.4)^{3}[/tex]

                                                   =3477.4 cm^3 (cor to nearest tenth)

An economy car weighs 400 pounds more than the compact car. How much does the economy car weigh.


Compact car 1 ton

Answers

Answer:

The economy car weighs 800 pounds.

The economy car weight is 800 pounds


Trig Ratios assignment

Answers

The trignometric ratios are given by1. B = 180 - (90 + 58) (sum of triangles)

B = 32°

Let's find a and b using trigonometric ratios:

Reference angle = 58°

Opposite = a = ?

Hypotenuse = c = 27

Adjacent = b = ?

✔️To find a, apply SOH:

Sin 58 = Opp/Hyp

Sin 58 = a/27

a = 27*Sin 58

a = 22.8972986 ≈ 22.9 (nearest tenth)

✔️To find b, apply CAH:

Cos 58 = Adj/Hyp

Cos 58 = b/27

b = 27*Cos58

b = 14.3 (nearest tenth)

2. B = 180 - (90 + 63) (sum of triangles)

B = 27°

Let's find a and b using trigonometric ratios:

Reference angle = 63°

Opposite = a = 11

Hypotenuse = c = ?

Adjacent = b = ?

✔️To find b, apply TOA:

Tan 63 = Opp/Adj

Tan 63 = 11/b

b = 11/Tan 63

b = 5.6 (nearest tenth)

✔️To find c, apply SOH:

Sin 63 = Opp/Hyp

Sin 63 = 11/c

c = 11/Sin 63

c = 12.3 (nearest tenth)

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write 1/81 * 27^5 as a power of 3

Answers

Answer:

Below

Step-by-step explanation:

1/81    *    27^5   =

1/(3^4)   *   (3^3)^5 =

3^-4    *    3^(3 *5)

3^-4    *   3^15

3^(-4 + 15)

3^11

The expression  1/81 * 27⁵ can be written as a power of 3 as 3¹¹.

What are Exponents?

Exponents are the method of writing numbers, especially large numbers, in terms of a base and an exponent, which is written as the power of base.

Given expression is,

1/81 × 27⁵

We have to write the expression as a power of 3.

Write each term as a power of 3.

81 can be written as 3⁴.

27 can be written as 3³.

1/81 × 27⁵ = (1 / 3⁴) × (3³)⁵

We can use two rules here, 1/aᵇ = a⁻ᵇ and (xᵃ)ᵇ = xᵃᵇ.

1/81 × 27⁵ = 3⁻⁴ × 3¹⁵

Multiplication rule of exponent states that xᵃ × xᵇ = xᵃ⁺ᵇ.

1/81 × 27⁵ = 3⁻⁴⁺¹⁵

                = 3¹¹

Hence the expression can be written as 3¹¹.

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2. Choose whether the given sets of lengths are or are not possible side lengths
of a triangle.
Possible side lengths Not possible side lengths
3 ft, 5 ft, 9 ft
11 cm, 6 cm, 17 cm
4 in., 4 in., 6 in.
16 yd, 10 yd, 12 yd

Answers

The first and second lengths are not possible lengths of triangle.

The third and fourth lengths are possible lengths of triangle.

What are the possible lengths of triangle?

For the first case; 3 ft, 5 ft, 9 ft: Not possible. In a triangle, the sum of the lengths of any two sides must be greater than the length of the third side. However, in this case, 3 ft + 5 ft = 8 ft, which is less than 9 ft.

For the second case. 11 cm, 6 cm, 17 cm: Not possible. Using the same reasoning as above, we see that 6 cm + 11 cm = 17 cm, which means that the three sides cannot form a triangle.

For the third case. 4 in., 4 in., 6 in.: Possible. The sum of any two sides is greater than the third side, since 4 in. + 4 in. = 8 in., which is greater than 6 in. Therefore, these lengths can form a triangle.

For the fourth case. 16 yd, 10 yd, 12 yd: Possible. Again, we see that the sum of any two sides is greater than the third side, since 10 yd + 12 yd = 22 yd, which is greater than 16 yd. Therefore, these lengths can form a triangle.

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24. Higher Order Thinking Tamar is thinking
Her
of a number in the hundredths.
number is greater than 0.8 and less than
0.9. The greatest digit in the number is in
the hundredths place. What number is
Tamar thinking of? Explain.

Answers

Answer:

Below

Step-by-step explanation:

.89      '9' is in the hundredths place and is greater than 8

A company has 33 salespeople. A board member at the company asks for a list of the top 3 salespeople, ranked in order of effectiveness. How many such rankings are possible?

Answers

Answer:

See Screenshot

Step-by-step explanation:

Mrs. Grady surveyed 30 students, 13 of which said they liked basketball, 18 of which said they liked hockey, and 4 of which said they liked both sports.

(a) How many students did not like either sport?

(b) How many students liked exactly one of the sports?

Answers

Answer:

Step-by-step explanation:

(a) To find the number of students who did not like either sport, we can use the formula:

Total students = Students who like basketball + Students who like hockey - Students who like both sports + Students who like neither sport

We know that the total number of students surveyed is 30, and we also know the number of students who like basketball, hockey, and both sports. We can use this information to solve for the number of students who like neither sport:

30 = 13 + 18 - 4 + Students who like neither sport

Simplifying this equation, we get:

3 = Students who like neither sport

Therefore, there were 3 students who did not like either sport.

(b) To find the number of students who liked exactly one of the sports, we can subtract the number of students who liked both sports from the total number of students who liked at least one of the sports. We know that 13 students liked basketball, 18 students liked hockey, and 4 students liked both sports. To find the number of students who liked at least one sport, we can add the number of students who liked basketball and the number of students who liked hockey, but we need to make sure we don't count the 4 students who liked both sports twice:

Number of students who liked at least one sport = Students who like basketball + Students who like hockey - Students who like both sports

Number of students who liked at least one sport = 13 + 18 - 4 = 27

Therefore, the number of students who liked exactly one sport is:

Number of students who liked exactly one sport = Number of students who liked at least one sport - Number of students who liked both sports

Number of students who liked exactly one sport = 27 - 4 = 23

So there were 23 students who liked exactly one of the sports.

Bob has a total of 60 adventure cards for a game. The table shows the number of cards, c, distributed to p players. Which equation describes the pattern in the table?
p 2 3 4 5
c 30 20 15 12
c = 60 ÷ p
c = 60 – p
c = 60p
c = 60 + p

Answers

For a game, Bob has a total of 60 adventure cards. The distribution of cards, c, to players, p, is shown in the table. c = 60 ÷ p

Describe probability. Describe using an example.

Probability defines the possibility of occurrence of an event. Probability is the unit of measurement for an event's likelihood. It represents the proportion of positive results to all results. For instance: Receiving the numbers 3 and 5 while rolling the dice, as well as getting both an even and an odd number.

The equation would read: c = 60 / 2, which implies c = 30 if p=2. The equation would read 12 = 60 / p, p = 5, 20 = 60 / 3, etc. If c = 12, the equation would read... 12 = 60 / p, and p = 5, and so on, 20 = 60 / 3, and 15 = 60 / 4.

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A guy wire runs from the top of a cell tower to a metal stake in the ground. Sebastian places a 6-foot tall pole to support the guy wire. After placing the pole, Sebastian measures the distance from the stake to the pole to be 2 ft. He then measures the distance from the pole to the tower to be 19 ft. Find the length of the guy wire, to the nearest foot.

Answers

Rounding this to the nearest foot, we get that the length of the guy wire is approximately 19 feet.

What distinguishes a length as such?

Units of length may have historically been determined by the lengths of human body parts, the distance traversed in a specified number of paces, the distance between well-known sites or locations on Earth, or randomly by the length of a well-known object.

The Pythagorean theorem can be used to resolve this issue. The guy wire is the hypotenuse of a right triangle made up of the guy wire, the pole, and the ground. The formula is as follows:

Guy wire length = stake to pole length + pole length to tower length

By entering the specified values, we obtain:

Guy wire length two equals two plus nineteen, or 365.

Guy wire length = 365 + 19.10 + guy wire length

If we round this number to the next foot, the guy wire's length is roughly 19 feet.

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A gardener wants to fence a circulr garden of diameter 42m. find the length of the barbed wire he needs to purchase if he makes 4 rounds if the fence

Answers

The circumference of a circle is given by the formula C = 2πr, where r is the radius of the circle.

Since the diameter of the garden is 42m, the radius is half of that, which is:

r = 42m / 2 = 21m

The circumference of the circular garden is therefore:

C = 2πr = 2π(21m) = 42πm

If the gardener makes 4 rounds of the fence, he will need to purchase 4 times the circumference of the garden in barbed wire. Therefore, the length of barbed wire he needs to purchase is:

4 x 42πm = 168πm

This is approximately equal to 527.79m, if we use the value of π to two decimal places.

Answer:

528 M

Step-by-step explanation:

CIRCUMFERENCE OF GARDEN= 2 pi r

r=42/2 =21

circumference = 2x (22/7) x21

=132 m

To make 4 rounds= 4 x 132 = 528m

consider the following exponential probability density function. for a. which of the following is the formula for ? 1 2 3 - select your answer - b. find (to 4 decimals). c. find (to 4 decimals). d. find (to 4 decimals). e. find (to 4 decimals).

Answers

Therefore, the following exponential probability density function P(4 ≤ x ≤ 6) is 0.1406 (rounded to four decimal places).

What is probability?

Probability is a measure of the likelihood or chance of an event occurring. It is a mathematical concept that quantifies the degree of uncertainty of an outcome in a given situation or experiment. Probability is usually expressed as a number between 0 and 1, with 0 indicating that the event is impossible and 1 indicating that the event is certain to occur. The probability of an event is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.

Here,

(a) The formula for P(x ≤ x0) is the cumulative distribution function (CDF), which gives the probability that the random variable x is less than or equal to a certain value x0. For the exponential probability density function given, the CDF is:

F(x) = P(x ≤ x0) = ∫[0,x0] f(x) dx = ∫[0,x0] (1/5)e*(-x/5) dx

(b) To find P(x ≤ 4), we substitute x0 = 4 into the CDF formula and evaluate the integral:

P(x ≤ 4) = F(4) = ∫[0,4] (1/5)e*(-x/5) dx

= [-e*(-x/5)] from x = 0 to 4

= -e*(-4/5) + 1

≈ 0.3297 (rounded to four decimal places)

(c) To find P(x ≥ 5), we note that P(x ≥ 5) = 1 - P(x < 5), where P(x < 5) is the probability that x is less than 5. Using the CDF formula, we have:

P(x < 5) = F(5) = ∫[0,5] (1/5)e*(-x/5) dx

= [-e*(-x/5)] from x = 0 to 5

= -e*(-1) + 1

≈ 0.6321

Therefore, P(x ≥ 5) = 1 - P(x < 5) = 1 - 0.6321 = 0.3679 (rounded to four decimal places).

(d) To find P(x ≤ 6), we use the CDF formula with x0 = 6:

P(x ≤ 6) = F(6) = ∫[0,6] (1/5)e*(-x/5) dx

= [-e*(-x/5)] from x = 0 to 6

= -e*(-6/5) + 1

≈ 0.4703

(e) To find P(4 ≤ x ≤ 6), we note that P(4 ≤ x ≤ 6) = P(x ≤ 6) - P(x < 4), where P(x < 4) is the probability that x is less than 4. Using the CDF formula, we have:

P(x < 4) = F(4) = ∫[0,4] (1/5)e*(-x/5) dx

= [-e*(-x/5)] from x = 0 to 4

= -e*(-4/5) + 1

≈ 0.3297

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Complete question:

Consider the following exponential probability density function. f(x) = 1 5 e−x/5 for x ≥ 0 (a) Write the formula for P(x ≤ x0). (b) Find P(x ≤ 4). (Round your answer to four decimal places.) (c) Find P(x ≥ 5). (Round your answer to four decimal places.) (d) Find P(x ≤ 6). (Round your answer to four decimal places.) (e) Find P(4 ≤ x ≤ 6). (Round your answer to four decimal places.)

Here is a graph of Han’s distance from home as he drives.



Identify the intercepts of the graph and explain what they mean in terms of Han’s distance from home.

Vertical intercept: which means:

Horizontal intercept: which means:

Answers

This graph shows how far Han is from his house as he drives. (0, 10) is the Y Vertical intercept. Han is therefore originally located 10 miles from his house.Horizontal intercept of X (10,0) It indicates that it takes 10 minutes to reach.

What does the vertical intercept of a graph indicate?

The point where the graphs of a function and relation meets the y-axis of the coordinate system is known as a y-intercept, also referred to as a vertical intercept. Analytic geometry is used for this, with the widely accepted standard that the variable y is represented by the vertical axis and the variable x by the horizontal axis.

What sets vertically apart from horizontally intercept?

Anything straight to the horizon is said to as horizontal. Since the vertical is the polar opposite of the horizontal, everything that intersects it at a right angle of 90 degrees is known as vertical. Hence, the line that runs form left to center is seen as being horizontal.

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Find domain Range Y-intercept X- intercept Vertical asymptote Horizontal asymptote​ Pic attached below​ note write domain and range in interval notation​

Answers

The domain of the function is (-∝, -3) ∪ (-3, +∝)

The range is (-∝, 3) ∪ (3, +∝) and the asymptotes are x = -3 and y = 3

How to determine the domain

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

f(x) = 2/(x + 3) + 3

Set the denominator to not equal to 0

So, we have

x + 3 ≠ 0

So, we have

x ≠ -3

As an interval notation, we have

(-∝, -3) ∪ (-3, +∝)

How to determine the range

Here, we have

f(x) = 2/(x + 3) + 3

When x = -3, we have

f(-3) = undefined + 3

This means that

f(x) ≠ -3

As an interval notation, we have

(-∝, 3) ∪ (3, +∝)

How to determine the asymptotes

In (a), we have

x ≠ -3

This means that

Vertical asymptote: x = -3

In (b), we have

f(x) ≠ -3

This means that

Horizontal asymptote: y = 3

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7
5
3
10
Find the perimeter.
8
2
8

Answers

The perimeter of the figure is 43 units.

How to find the perimeter of a figure?

The perimeter of a figure is the sum of the whole sides of the figure. Therefore, the figure above is a composite figure, let's find the perimeter of the shape as follows:

Hence,

Perimeter of the figure = 8 + 3 + 5 + 7 + 10 + 2 + 8

Therefore,

Perimeter of the figure = 11 + 12 + 12 + 8

Perimeter of the figure = 23 + 20

Perimeter of the figure = 43 units

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Brad sold a rental house that he owned for $251,500. Brad bought the rental house five years ago for $223,500 and has claimed $50,750 of depreciation expense. What is the amount and character of Brad's gain or loss?

Answers

Brad's gain from the sale of the rental house is $28,000 ($251,500 - $223,500 - $50,750). This gain is characterized as a capital gain.

Let's do a couple of similar examples with the tan function.
The figure below, shows the graph of a function.
f(x)=

Answers

The domain are the possible input while the range are the possible output of a function.

(a) The domain = [-√2, √2], the range = [0, 2]

(b) The domain = [-1, 1], the range = [0, 1]

(c) The domain = [-1, 1], the range = [0, -1]

(d) The domain = [0, 2], the range = [0, 1]

(e) The domain = [-(2 + √2), (√2 - 2)], the range = [0, 2]

Reasons:

The given functions can be expressed by the equation; (-x + 1)·(x + 1) = -x² + 1

Therefore, we have;

(a) y = f(x) + 1 = -x² + 1 + 1 = -x² + 2

The x-intercept of the above function are, x = √2, and x = -√2

Which gives;

The domain = [-√2, √2]

The range = [0, 2]

(b) y = 3·f(x) = 3 × (-x² + 1) = -3·x² + 3

At the x–intercepts, we have;

-3·x² + 3 = 0

x = ±1

The domain = [-1, 1]

The maximum value of y is given at x = 0, therefore;

= -3 × 0² + 3 = 3

The range = [0, 1]

(c) y = -f(x) = -(-x² + 1) = x² - 1

At the x–intercepts, x² - 1 = 0

x = ± 1

The domain = [-1, 1]

The minimum value of y is given at x = 0, which is y = -1

The range = [0, -1]

(d) y = f(x - 1) = -(x - 1)² + 1 = -x² + 2·x

At the x–intercepts, we have;  -x² + 2·x = 0, which gives;

(-x + 2)·x = 0

Which gives, x = 0, or x = 2

The domain = [0, 2]

The maximum value of y is given when x = -b/(2·a) = -2/(2×(-1)) = 1

y = f(1) =  -1² + 2×1 = 1

Therefore;

The range = [0, 1]

(e) y = f(x + 2) + 1 = (-(x + 2)² + 1) + 1 = -x² - 4·x - 2

At the x–intercepts, we have;  -x² - 4·x - 2 = 0, which gives;

x = -(2 + √2) or x = x = √2 - 2

The domain = [-(2 + √2), (√2 - 2)]

The maximum value of y is given when x = -4/(2)) = -2

Which gives;

-(-2)² - 4·(-2) - 2 = 2

The range = [0, 2]

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Sergey is solving 5x2 + 20x – 7 = 0. Which steps could he use to solve the quadratic equation by completing the square? Select three options. 5(x2 + 4x + 4) = –7 + 20 x + 2 = Plus or minus StartRoot StartFraction 27 Over 5 EndFraction EndRoot 5(x2 + 4x) = 7 5(x2 + 4x + 4) = 7 + 20 5(x2 + 4x) = –7

Answers

The next step on solving completing square is: 5 (x² + 4x) = 7 and 5(x² + 4x + 4) = 7 + 20. So, these steps could he use to solve the quadratic equation by completing the square.

What is quadratic equation?

Any equation in algebra that can be written in standard form as where x stands for an unknown value, where a, b, and c stand for known values, and where a ≠ 0 is true is known as a quadratic equation.

Case 1:

Given equation becomes:

5x² + 20x - 7 = 0

Firstly, we will add of 7 in both sides:

5x² + 20x - 7 + 7 = 0 + 7

Now, same variable of opposite sign is cancelled:

5x² + 20x = 7

Now, taking 5 common from left side:

5 (x² + 4x) = 7

Case 2:

Given equation becomes:

5x² + 20x - 7 = 0

Firstly, we will add of 7 in both sides:

5x² + 20x - 7 + 7 = 0 + 7

Now, same variable of opposite sign is cancelled:

5x² + 20x = 7

Now, we will add of 20 in both sides

5x² + 20x + 20 = 7 + 20

Now, taking common of 5 from left side:

5(x² + 4x + 4) = 7 + 20

So, The next step on solving completing square is: 5 (x² + 4x) = 7 and 5(x² + 4x + 4) = 7 + 20

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How close do you think your face is to the classical Greek standard of beauty? Explain your answer

Answers

According to my previous knowledge, I consider that my face is not very in accordance with the beauty canon of Classical Greece because my skin tone is much darker, my eyes are dark in color and my nose is not upturned.

What is a canon or standard of beauty?

A canon or beauty standard is a term that refers to a reference model that is established as a point of comparison to evaluate the beauty of a person. Throughout history beauty standards have evolved and have included different characteristics.

In the case of Classical Greece, beauty standards included different characteristics such as:

upturned noseAthletic bodylight colored eyesReddish or blonde hairWide hips (women)Thick lips

According to the above, I would not be beautiful in ancient Greece because my physical characteristics are different from what they considered to be beautiful.

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What is 6 1/4% of 95?

What is 3/10% of 115?

Answers

Solution

1.) 95/16

2.) 69/200

NO LINKS!!! URGENT HELP PLEASE!!!! NOT MULTIPLE CHOICE!!!!

2. You go to the pool to hang out with your friends on a hot summer day. You jump off the diving board and your path through the air can be modeled by the equation m(d) = -4d^2 + 5.5d + 7 in meters per second. Use this scenario to answer questions a - c.

a. How far above the pool do you reach on your dive? (round to the nearest meter)

b. How long are you in the air? (Round to the nearest second)

c. How high is the diving board?

Answers

Answer:

a) You will reach 9 meters above the pool.

b) The length of time you are in the air is 2 seconds.

c) The height of the diving board is 7 meters.

Step-by-step explanation:

Given quadratic equation:

[tex]m(d)=-4d^2 + 5.5d + 7[/tex]

Part a

To determine how far above the pool you reach on your dive, find the y-value of the vertex of the given quadratic equation.

The formula for the x-value of the vertex is -b/2a for a quadratic equation in the form y=ax²+bx+c.  Therefore, the x-value of the vertex for the given equation is:

[tex]\implies -\dfrac{5.5}{2(-4)}=0.6875[/tex]

To find the y-value of the vertex, substitute d = 0.6875 into the given equation:

[tex]\begin{aligned}m(0.6875)&=-4(0.6875)^2+5.5(0.6875)+7\\&=-1.890625+3.78125+7\\&=1.890625+7\\&=8.890625\\&=9\; \sf m\;(nearest\;meter)\end{aligned}[/tex]

Therefore, you will reach 9 meters above the pool (rounded to the nearest meter).

Part b

You will hit the water when your height is zero. Therefore, to find the length of time you are in the air, set the given quadratic equation to zero and solve for d using the quadratic formula.

[tex]\boxed{\begin{minipage}{3.6 cm}\underline{Quadratic Formula}\\\\$x=\dfrac{-b \pm \sqrt{b^2-4ac}}{2a}$\\\\when $ax^2+bx+c=0$ \\\end{minipage}}[/tex]

[tex]\implies d=\dfrac{-5.5 \pm \sqrt{5.5^2-4(-4)(7)}}{2(-4)}[/tex]

[tex]\implies d=\dfrac{-5.5 \pm \sqrt{142.25}}{-8}[/tex]

[tex]\implies d=\dfrac{-5.5 \pm \sqrt{142.25}}{-8}[/tex]

[tex]\implies d=-0.803357..., \;2.178357...[/tex]

As time is positive we can discount the negative solution. Therefore, the length of time you are in the air is 2 seconds (rounded to the nearest second).

Part c

The height of the diving board is the y-intercept of the graph of the equation. The y-intercept is the value of y when x = 0. Therefore, to find the height of the diving board, substitute d = 0 into the equation.

[tex]\begin{aligned}\implies d(0)&=-4(0)^2+5.5(0)+7\\&=0+0+7\\&=7\end{aligned}[/tex]

Therefore, the height of the diving board is 7 meters.

Find the limit lim……..

Answers

Answer: 7/13

Step-by-step explanation:

2(x-5)(x-3)/3(x-5)(x-2)

take (x-5) away from both

2x-3/3x-2

2(5)-3/3(5)-2

=7/13

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