In the figure below, the radius of the larger circle is 6,8 and the radius of the smaller circle is 4.5. Which of the following best approximates the area of the shaded region? Note: The figure is not drawn to scale. O 14.45 O 16.62 O 25.99 O 81.65 O 145.27

Answers

Answer 1

A circle is a figure bounded by a curved side which is referred to as circumference. Thus the area of the shaded region is option D. 81.65.

A circle is a figure bounded by a curved side which is referred to as circumference. Some of its parts are radius, diameter, sector, arc, etc.

The area of a circle can be determined by the given expression:

Area = π[tex]r^{2}[/tex]

where r is the radius of the circle and π = [tex]\frac{22}{7}[/tex]

So, the area of the shaded region can be determined as:

Area of the shaded region = area of the larger circle - area of the smaller circle

Area of the shaded region = π[tex](6.8)^{2}[/tex] - π[tex](4.5)^{2}[/tex]

= π (46.24 - 20.25)

= [tex]\frac{22}{7}[/tex] x 25.99

= [tex]\frac{571.78}{7}[/tex]

Area of the shaded region = 81.683

Thus the appropriate answer to the question is option D. 81.65.

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Related Questions

Which of the following equations are equivalent? Select three options. 2 + x = 5 x + 1 = 4 9 + x = 6 x + (negative 4) = 7 Negative 5 + x = negative 2

Answers

The following equations are equivalent:

2 + x = 5

x + 1 = 4

Negative 5 + x = negative 2

This is because, in each equation, x is the same variable, and it has the same value on both sides of the equation.

In the first equation, x is equal to 3.

In the second equation, x is equal to 3

In the third equation, x is equal to -3

Note that the equation 9 + x = 6 and x + (negative 4) = 7 are not equivalent as these equations have different values for x.

The price of a technology stock has risen to $9.62 today. Yesterday's price was $9.55. Find the percentage increase. Round your answer to the nearest tenth of a percent.

Answers

Answer:

0.73%

Step-by-step explanation:

First of all subtract the 2 values

9.62 − 9.55 = 0.07

then use this value and find the percentage from the original price which was 9.71 so 0.07/9.55 x 100

percentage increase is

0.73%

Joey wants to buy several tickets to the next Jastin Timberlake concert. Each ticket will cost $150. Create a table of values to show the cost of buying up to 5 tickets. Show your work in the box

Answers

Ticket #1 ║ Ticket #2 ║ Ticket #3 ║ Ticket #4 ║ Ticket #5

$150 $300 $450 $600 $750

Step-by-step explanation:

The table shows tickets #1-5, but if you want to go up to tickets #6 and #7, then Ticket #6 would be $900, and Ticket #7 would be $1,050. Due to each ticket being equivalent to $150, you get your answer by adding 150 for each ticket or multiplying 150 × 7.

1.On the accompanying grid, sketch the graphs of y = 2^x and 3y = 7x + 3 over the interval
-3 ≤ x ≤ 4. Identify and state the coordinates of all points of intersection.

Answers

On solving the provided question, we can say that - by prime factorization the factors of 5 are 5 and 1

What is factor?

A number that divides another number by itself with no residual is known as a factor. In other words, if multiplying two whole numbers results in the creation of a product, the numbers we are multiplying are factors of the product since the product is divisible by them. Division and multiplication are the two ways to discover factors. A number or other mathematical object is factorized or factored in mathematics by expressing it as the product of numerous factors, often smaller or simpler things of the same sort. One factorization of the polynomial x2 - 4 is 3 5, which is also a factorization of the number 15.

The factors of 5 are -

5and 1

as 5 = 5 X 1

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Lily received 50 postcards. 16% of them were from Thailand. After he received ostcards from Thailand, the percentage of Thailand postcard increased to 30%. How many Thailand postcards did he receive?

Answers

Answer:

Step-by-step explanation:

Final answer: Lily received 10 postcards from Thailand.

Explanation: Number of postcards=50

Percentage of postcards from thailand= 16

Number of postcards from Thailand= 16/100*50= 8

Now, he received some postcards from Thailand. Let the number of postcards received from Thailand be x. Therefore,

Number of postcards=50+x

Number of postcards from Thailand= 8+x

We know that the percentage of postcards from Thailand now is 30.

Therefore,

30=(8+x/50+x)*100

0.3(50+x)=8+x

15+0.3x=8+x

0.7x=7

x=10

Therefore, he received 10 postcards from Thailand.

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What is the perimeter of trapezoid JKLM?
O√2+√5 units
O2+ √2+√5 units
O9+2√2 units
9+√2+√5 units

Answers

By applying pythagorean theorem and perimeter formula, The answer is D 9+[tex]\sqrt{2}[/tex] +[tex]\sqrt{5}[/tex]

What is pythagorean theorem?

The Pythagorean theorem is a fundamental result in mathematics named after the ancient Greek mathematician Pythagoras. It states that in a right-angled triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the lengths of the other two sides.

What is perimeter?

Perimeter is a measure of the distance around the outside of a two-dimensional shape. It is the sum of the lengths of all the sides of the shape. The formula for perimeter depends on the shape. For example, the perimeter of a rectangle is twice the sum of its length and width, while the perimeter of a circle is equal to its circumference.

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Is this SSS, ASA, SAS, or AAS? I’m pretty sure it’s either sss or sas because there are already two sides but I’m not sure!! Please help:,)

Answers

Therefore , the solution of the given problem of congruent comes out to be in this case we have two side equal and one side common so it is sss

What in mathematics is a congruence?

Two figures are said to be "congruent" if they can be positioned perfectly over one another. Both of the bread slices are the same size and shape when stacked one on top of the other. Congruent refers to things that are exactly the same size and shape.

How does SSS work?

SSS definitions. an autonomous government organization responsible for overseeing military conscription. Selective Service and Selective Service System are synonyms. independent agency kind. a federal agency that was established by a congressional act and is unrelated to the executive departments.

In this case we have two side equal and one side common so it is sss

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Identify the value of x that makes each pair of ratios equal
5:15 and x:3

Answers

The ratio for 5 / 15 based on the information is 1:3. The value of x is 1.

How to illustrate the ratio?

Ratio in Mathematics simply demonstrates how many times one number can be able to fit into another number. It should be noted that ratios contrast two numbers by dividing them. In this case, A/B will be the formula if one is comparing one variable (A) to another variable (B).

This simply indicates that you're dividing the variable A by B. Let us say for instance, the ratio will be 3/10 if A is 3 and B is 10.

The ratio for 5 / 15 will be:

= 5 / 15

= 1 / 3

= 1:3

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Multiply. Write your answer as a decimal.
-0.05 × (-0.5)

Answers

The solution for the given decimal multiplication is 0.025.

What are decimal numbers and how do you multiply them?

To multiply two decimal numbers, first multiply the values without the decimal points.

The digits in the factors that follow the decimal point should now be added together.

Following that, the dot should be placed in the product so that it has the same number of digits as the total number of factors.

If there are more decimal places than digits in the number, place zeroes immediately after the dot.

If there are more decimal places present compared to digits in the product, fill the decimal places with zeroes immediately after the dot.

For the given question, multiply -5 * -5 = 25

Now the total digits after the decimal point in factors are 3.

But there are only 2 digits in 25.

So fill the decimal place with a zero.

Therefore the product of given decimal numbers is 0.025.

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Stephan and John are reading the same book. Stephan reads 7 pages a day and is on page 22. John reads 9 pages a day and is on page 10. How many days until Stephan and John are on the same page? What page will they be on?

Answers

The number of days until Stephen and John are on the same page would be 6 days

The page they would be on would be 64 pages

How to find the number of days ?

Assuming that the number of days can be denoted as x, the equation for the number of pages that Stephen has read in total is:

= 22 + 7 x

The number of pages that John has read in total is:

= 10 + 9 x

To find the number of pages, equate these:

22 + 7 x = 10 + 9x

22 - 10 = 9x - 7 x

12 = 2 x

x = 12 / 2

x = 6 days

The page they would be on is:

= 10 + 9 x

= 10 + 9 ( 6 )

= 64 pages

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Which of the following is the product of the rational expressions shown
below?
2/x+1 • 5/3x

A. 5(x+1)/6x
B. 5/x^2+3
C. 10/3x+3
D. 10/3x^2+3x

Answers

Answer:

D. 10/3x^2+3x

Step-by-step explanation:

The product of the two rational expressions is:

(2/x+1) * (5/3x)

Multiply the numerator of the first fraction by the numerator of the second fraction and the denominator of the first fraction by the denominator of the second fraction:

(2*5) / (x+1) * (3x)

Which simplifies to:

10 / (x^2 + x)

So the correct answer is:

D. 10/3x^2+3x

The baker made a batch of chocolate chip, oatmeal raisin, and sugar cookies. If P(chocolate chip) = 68%, interpret the likelihood of randomly selecting a chocolate chip cookie from the batch.

Likely
Unlikely
Equally likely and unlikely
This value is not possible to represent probability of a chance event.

Answers

The likelihood of randomly selecting a chocolate chip cookie from the batch would be likely. That is option A

What is probability?

Probability is defined as the possibility of an outcome of an event which may likely or unlikely occur.

The batch contains the following content:

chocolate chip,(68%)oatmeal raisin, and sugar cookies

The chocolate chip makes up 68% of the batch and this shows a higher quantity than other content. Therefore, likelihood of randomly selecting a chocolate chip cookie from the batch would be likely.

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Sallu car has an average fuel economy of 28 miles per gallon the capacity of the fuel tank is 16

Answers

The number of miles Sallu car will travel with 16 gallons fuel capacity if he travelled 28 miles per gallon is 448 miles.

How many miles can a full tank capacity travel?

If Sallu car can travel 28 miles using 1 gallon of fuel;

then, Sallu car will travel x miles using 16 gallons of fuel.

Based on the given task content; we can solve the task using the concept of ratio.

A ratio is a number representing a comparison between two named things.

It also refers to the relative magnitudes of two quantities usually expressed as a quotient.

Equate the ratio of miles travelled to gallons of fuel used

28 miles : 1 gallon = x miles : 16 gallons

28/1 = x / 16

28 × 16 = x × 1

448 = x

Therefore, Sallu car will travel 448 miles using 16 gallons of fuel.

Answers

Y-intercept linear 12 shows that the total cost will be $12.00 when the taxi travels 0 miles.

How do you define a linear relationship?

the connection between two variables that, when plotted on the coordinate plane, forms a straight line. The term "linear expression" refers to both the linear equation and the expression that depicts a linear relationship.

(2, 15), (5, 19.50), (7, 22.50), and (10, 27) are the coordinates (15, 34.50)

We will obtain a straight line if we plot the points on the XY coordinate system. The line crosses the Y axis at 12.00, as can be seen. As a result, the y-intercept is 12.00, and its coordinate is (0,12)

The y-intercept in this case is 12, which indicates that the total cost will be $12.00 even if the taxi travels 0 miles.

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Question 9 of 10
What is the product of the following numbers? Use a scientific calculator to
find the answer.
5.56 x 104 x 2.43 x 106
A. 2.23 x 10-2
OB. 1.97 x 10²1
C. 1.35 × 1020
OD. 1.35 x 10¹1

Answers

I’m not too sure, I got 148943.0592, so I don’t no which that equals

Write an equation of the line that passes through each pair of points (9,2) (-2,6)

Answers

y = (-4/11)x + 5.27 is the equation that passes through each pair of points (9,2) (-2,6).

What is equation?

A group of numbers and variables without an equal sign are known as a numerical expression. A set of numbers and variables with an equal sign is referred to as an equation.

Once you are familiar with these terms, you will realise that an equation is just two expressions joined by an equal sign. You can also write expressions, equations, and simplify equations.

To find an equation of the line that passes through each pair of points (9,2) (-2,6) we need to find slope and convert it to y-intercept form

Slope formula = y - y₁ = m(x - x₁)

Putting the values in the formula we get

2 - 6 = m(9 - (-2))

-4 = m(11)

m = -4/11

As we have found slope, we can find the slope intercept form i.e.

y - 2 = -4/11(x -9)

y = (-4/11)x + 3.27 + 2

y = (-4/11)x + 5.27

Thus, y = (-4/11)x + 5.27 is the equation that passes through each pair of points (9,2) (-2,6)

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What is the equation in slope intercept form of the line that passes through the y-intercept (0, -4) and has a slope of 5?
O y = 5x + 28
O y = 5x + 4
O y = 5x-4
O y = 5x-28

Answers

The equation in slope-intercept form of the line that passes through the point (0, -4) and has a slope of 5 is y = 5x - 4.

What is slope intercept form ?

The form of a line's slope intercept is one of the most common ways to represent a line's equation. The slope intercept formula can be utilized to find a line's equation given its slope and y-intercept for a straight line ( the y-coordinate of the point where the line intersects the y-axis). For a line to exist, every point along the line must be satisfied by its equation. This straight line equation, which is represented as, can be resolved in a number of ways.

1. Slope-intercept form

2. Two-point form

3. Intercept form

4. Point slope form

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WILL MARK BRAINLIEST! please help with easy geometry problem!! :) and give explanation and steps too

Answers

Therefore , the solution to the given problem of triangle comes out to be x =20 degree and y = 20 degree.

Defining a triangle

In a plane, any three points can be joined to form triangles, that have 3 components and three angles. They were among the first geometrical forms to be investigated. Because each polygon, regardless of its number of sides (four, five, six, or n), may be divided into a triangle, they are especially significant.

Here,

Given : 140 degree

Since it is a scalar triangle

two sides will have equal angle,

Thus ,

x=y

=> x+ x + 140 =180

=> 2x = 180-140

=> 2x =40

=> x =20

Therefore , the solution to the given problem of triangle comes out to be

x =20 degree and y = 20 degree.

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What is the properties of (10c - 4) + 11d?

Answers

Answer:

10c-4+11d Welcome :D

Step-by-step explanation:

the solid below is made from cubes.
find its volume

Answers

Answer:

Step-by-step explanation:

Determine the rate of change and initial value of the
linear function represented by the following scenario:
An airplane starts it's descent at an altitude (height) of
30,000 ft and descends at a rate of 2000 feet per
minute.

Answers

Answer:

13009 is the best answer for this question

The number of CD's sold since April 8 at a music store can be
modeled by the function N(d) = 12d +35 and the price per
CD can be modeled by P(d) = 0.3d2 - d+5, where d is
the number of days since April 8.
of revenue
According to this model, what is the total amount of rev
generated by the store's CD sales on April 18?

Answers

The markup, expressed as a percentage of the cost, is the difference between the selling price and the product's cost.Markup on selling price is 27 %.

How do you calculate markup on selling price?

The markup, expressed as a percentage of the cost, is the difference between the selling price and the product's cost.The gross profit of a unit is determined by subtracting its cost to produce or acquire for resale from its sales price to determine the markup percentage.

Below, you'll find various possible formats for the markup formula or equation.

The selling price given as = $ 15

The cost per CD is = $ 11

The total profit = Selling price - Cost

Total profit per CD = $ 15 - $ 11

Total profit per CD = $ 4

The markup on selling price is calculated as - Total profit ÷ Selling price × 100

Markup on selling price = $ 4 ÷ $ 15 × 100 =26.6666 % or 27 %.

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3 / 3/4=, 5 / 3/4=, 8 / 4/7=, 6 / 3/5=, 2 / 5/8=, and 4 / 8/9= simplify them all

Answers

On simplifying the values obtained for the fractions are - 3 / 3/4= 4, 5 / 3/4= 6.66, 8 / 4/7= 14, 6 / 3/5= 10, 2 / 5/8= 3.2 and 4 / 8/9= 4.5.

What is fraction?

In mathematics, a fraction is represented by a number that identifies a portion of a whole. A fraction is a component or section taken from a whole, which can be any number, a certain amount, or an object.

The first fraction is 3/(3/4).