Which expression represents the distance between Q and R

The area of the composite figure is equal to 63.270 square feet.

In this problem we need to compute the area of a composite figure, which is the result of adding the areas of a semicircle and a right triangle. The area formulas of the figures mentioned above are introduced below:

Semicircle

A = 0.5 · r²

Right triangle

A = 0.5 · b · h

Where:

If we know that r = 5 ft, b = 8 ft and h = 6 ft, then the area of the composite figure is:

A = 0.5π · (5 ft)² + 0.5 · (8 ft) · (6 ft)

A = 12.5π + 24 ft²

A = 63.270 ft²

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Answer:

I'm sorry, it seems like you didn't complete the question. Can you please provide me with the rest of the question so I can assist you?

The line's slope is [tex]\frac{1}{2}[/tex] and the distance increases by 1 mile every 2 hours.

What is a good example of a line's slope?

The proportion of the increase in the y-value to the increase in the x-value may also be used to determine slope. For instance: We can get the slope of a line given two locations, P = (0, -1) & Q = (4,1) on the line.

A. Since the line's slope is 2, it follows that the y-variable, which is most likely distance, grows by 2 units for every increment in the x-variable, which is most likely time. The accurate statement is thus: speed is increased by Two miles per hour.

B. Since the line's slope is 2, it follows that the y-variable will drop by 2 units for every unit rise in the x-variable, which is most likely time. The accurate description is thus: speed drops by Two miles per hour.

C. If the line's slope is 1/2, the y-variable will rise by 1/2 unit for every increment in the x-variable, which is probably time. The precise description is that the distance grows by a mile every two hours.

D. If indeed the line's slope is 1/2, the y-variable will drop by 1/2 unit for every unit rise in the x-variable, which is probably time. The precise description is: distance shrinks by a mile every two hours.

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The equation that represents the graph will be x = (1/12) y². Then the correct option is A.

It's the locus of a moving point that keeps the same distance between a stationary point and a specified line. The focus is a non-movable point, while the directrix is a non-movable line.

The equation of the upward parabola is written as,

y = 4ax²

The equation of the downward parabola is written as,

y = - 4ax²

The equation of the rightward parabola is written as,

x = 4ay²

The equation of the leftward parabola is written as,

x = - 4ay²

From the graph, the parabola opens rightward, then the equation is written as,

x = (1/12) y²

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So, it is proven that the area of triangle ABC is 1/2*a*b*sinC  .

A triangle is a 2D shape having three sides and the sum of all angles is 180°. A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. A triangle with vertices A, B, and C is denoted \triangle ABC. In Euclidean geometry, any three points, when non-collinear, determine a unique triangle and simultaneously, a unique plane.

We have,

A ΔABC,

And,

AB = c

BC = a

CA = b

H = Altitude of the triangle,

Now,

Area of triangle = 1/2* base* height

i.e.

Area of triangle ABC =1/2*a*h     .....(i)

Now,

Using trigonometric ratios,

sinC = perpendicular/hypotenuse

i.e. sinC = h/b

We get,

h = b * SinC

Now,

putting this value in equation (i),

We get,

Area of triangle ABC=1/2*a*b*sinC

So, It is proved that area of triangle ABC =1/2*a*b*sinC   ,

Hence, we can say that it is proven that the area of triangle ABC is 1/2*a*b*sinC , using trigonometric ratios and the triangle's area formula.

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The graph of the rational equation is solved and f ( x ) = 1/ ( x + 2 ) ( x - 5 )

Given data ,

Let the function be represented as f ( x )

Now , the value of f ( x ) is

f ( x ) = 1/ ( x + 2 ) ( x - 5 )

The function will have increasingly large values as the denominator approaches zero. When x -2, the denominator is positive and the function tends to the upside. When x -2 x 5, the function is negative. When x 5, the function becomes positive once more.

Hence , the rational function is f ( x ) = 1/ ( x + 2 ) ( x - 5 )

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The complete question is attached below :

Which of the following rational functions is graphed below?

A. F(x) =(x-2)/(x+5)

B. F(x) =1/(x-2)(x + 5)

C. F(x) =1/(2x + 5)

D. F(x)= 1/(x+2)(x-5)

Rita worked for 2 1/2 hours more during the second week

The first step is to write out the parameters given in the question

Rita works 12 3/4 hours in her first week at a new job

She works 15 1/4 hours in the second week

The number of hours that she worked longer during the second week can be calculated by subtracting the number of hours worked in the second week from the number of hours worked during the first week of the job

= 15 1/4 - 12 3/4

= 61/4 - 51/4

= 10/4

= 5/2

= 2 1/2

Hence Rita worked  2 1/2 hours longer during the second week

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The area of the model on the right is 6.25 square centimeters.

What is area ?

Area is a measurement of the size of a two-dimensional surface or region. It is the amount of space inside a closed figure or shape, and is typically measured in square units such as square meters, square feet, or square centimeters.

Since the two models represent the same rectangular patio, they must have the same area.

Let A be the area of the model on the right in square centimeters.

Using the ratios given in the problem, we can write:

A/4 = (1.25 ft/1 cm)²

Simplifying the right-hand side, we get:

A/4 = 1.5625 ft²/cm²

Multiplying both sides by 4, we get:

A = 6.25 ft²

Therefore, the area of the model on the right is 6.25 square centimeters.

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"The graph of f(x) has exactly two x-intercepts" -  For a linear function whose domain is the set of all real numbers, this assertion cannot be accurate.

Any function with the formula f(x) = mx + b is referred to as linear.

Setting f(x) = 0, we get:

mx + b = 0

Solving for x, we get:

x = -b/m

Depending on the slope m and y-intercept b values, there are an unlimited number of x-intercepts.

A linear function in mathematics is one that has either one or two variables and no exponents. It is a function with a straight line as its graph. If the function has more variables, they should all be constants or known variables in order for the function to continue to function as a linear function. A linear function is a function that, when plotted, creates a straight line. Typically, it is a polynomial function with a maximum degree of 1 or 0. Nonetheless, calculus and linear algebra are also used to represent linear functions. The function notation is the only distinction. It is also important to understand an ordered pair written in function notation.

from the questions:

A function with the formula f(x) = mx + b, where m and b are constants, is referred to as a linear function. When f(x) = 0, the point where a linear function intersects the x-axis is known as the x-intercept.

Setting f(x) = 0, we get:

mx + b = 0

Solving for x, we get:

x = -b/m

As a result, the x-intercept of a linear function is a single point, (-b/m, 0), and depending on the slope m and y-intercept b values, there may only be zero, one, or infinitely many x-intercepts.

As a result, for a linear function whose domain is the set of all real numbers, it is not possible for the statement "The graph of f(x) has precisely two x-intercepts" to be true.

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Part A: the drone would need to fly up 1.3 miles  Part B:  the drone would need to fly up 1.8 miles. Part C:  the value of zero represents the top of the waterfall . Part D: the absolute value of -1.8 is the same as the absolute value of 1.8, we have shown that you hiked the same distance in both directions.

It can be measured in various units such as meters, kilometers, feet, miles, etc. In mathematics, the distance between two points in a coordinate plane can be calculated using the distance formula, which is derived from the Pythagorean theorem. The distance formula is:

d = √[(x2 - x1)² + (y2 - y1)²]

Where (x1, y1) and (x2, y2) are the coordinates of the two points and d is the distance between them

Part A: The distance from the top of the waterfall to the place where you eat lunch is 1.3 miles, so the drone would need to fly up 1.3 miles

Part B: The distance from the top of the waterfall to the place where you go swimming is 1.8 miles, so the drone would need to fly up 1.8 miles

Part C: In this problem, the value of zero represents the top of the waterfall where you and your friend are currently located.

Part D: Let x be the distance you hiked to go swimming, and let y be the distance you hiked to go back to the top to meet your friend. Then, the total distance you hiked is the sum of the absolute values of x and y, which can be written as |x| + |y|. Since you hiked down 1.8 miles to go swimming and then hiked back up 1.8 miles to the top, x = -1.8 and y = 1.8. Substituting these values, we get |(-1.8)| + |1.8| = 1.8 + 1.8 = 3.6. Since the absolute value of -1.8 is the same as the absolute value of 1.8, we have shown that you hiked the same distance in both directions.

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The complete question is :

Answer:

A is the correct answer

Step-by-step explanation:

Answer:

Step-by-step explanation:

Ana's conjecture that Raul lost 2/5 of his baby teeth is true.

To see why, consider that Raul originally had 20 baby teeth. If he lost 8 of these teeth, that means he has 20 - 8 = 12 baby teeth remaining. To determine what fraction of his baby teeth he lost, we can calculate:

8 baby teeth lost / 20 baby teeth total = 2/5

So, Raul lost 2/5 of his baby teeth, which supports Ana's conjecture.

On the other hand, Raul's statement that he lost 4/10 of his baby teeth is not correct, since 4/10 can be simplified to 2/5, which is the same as Ana's conjecture that he lost 2/5 of his baby teeth.

The area of the composite figure is approximately 57.51 square centimeters.

By calculating the area of the triangle and the sector, and then adding them together, we may determine the area of the composite figure.

The following formula can be used to determine the sector's area:

Sector area is equal to (central angle / 360) x r2.

The sector's radius is 8 cm, and its central angle is 60°, resulting in:

Sector area equals (60/360) x 3.14 x 82

Sector size: 33.51

The following formula can be used to get the triangle's area:

Area of triangle Equals base x height x half.

The Pythagorean theorem can be used to determine the triangle's height given that its base is 8 cm:

a² + b² = c²

8² + h² = 10²

64 + h² = 100

h² = 36

h = 6

As a result, given that the triangle's height is 6 cm, we have:

Triangle's area equals 1/2 x 8 x 6.

Triangle has a 24 area.

By combining the areas of the triangle and the sector, we can determine the area of the composite figure.

33.51 + 24 times the composite figure's area

The composite figure's area is 57.51.

Hence, the composite figure has a surface area of roughly 57.51 square centimetres.

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The Venn diagram for (D ⋃ E) ⋃ F will be the ovarlapped region of D,E and F.

A Venn diagram is a graphical representation of set theory that uses circles or other closed shapes to show the relationships between sets of objects. In a Venn diagram, each set is represented by a circle or other shape, and the area of the circle represents the total number of objects in that set.

The circles are usually drawn so that they overlap, with the overlapping region representing the objects that belong to both sets. Venn diagrams can be used to illustrate set operations such as union, intersection, and complement.

Now,

As i can not draw here

so i will explain it

To create the Venn diagram, we first draw three overlapping circles to represent the sets D, E, and F. We then shade the regions corresponding to the set operations in the expression, starting from the innermost operation and working our way out.

The expression (D ⋃ E) represents the union of sets D and E, so we shade the region where the circles for D and E overlap. This region represents all the elements that are in D or E or both.

Next, we take the union of (D ⋃ E) with F. This means we shade the region where the circle for F overlaps with the region we shaded in the previous step. This region represents all the elements that are in D or E or F or any combination of these sets.

The final Venn diagram should have three overlapping circles, with the region where all three circles overlap shaded to represent (D ⋃ E) ⋃ F.

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The graph of the equation is added as an attachment

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

y = 6x

The above expression is a linear equation that implies that

The product of 6 and x is equal to the the value of y

Note that:

A linear graph is a straight line on a two-dimensional coordinate plane that represents a linear equation

Where the equation is in the form y= mx + b, where m is the slope and b is the y-intercept.

This also means that

Next, we plot the graph

See attachment for the graph of the linear equation and few points on it

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After 6 weeks there will be 58 kg rice be left.

Subtraction in mathematics means that is taking something away from a group or number of objects. When you subtract, what is left in the group becomes less.

Given that;

The Owner of a restaurant bought 75 kilograms of rice.

And, Each week the restaurant uses 4.5 kilograms of rice.

Now,

After 6 weeks used rice is,

⇒ 4.5 × 6 kg

⇒ 27 kg

Hence, After 6 weeks there will be rice be left is,

⇒ 75 - 27 kg

⇒ 58 kg

Thus, After 6 weeks there will be 58 kg rice be left.

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Answer:

A. 10

Step-by-step explanation:

The 9 in 290,481 is in the ten thousands place (10⁴)

The 9 in  964,352 is in the hundred thousands place (10⁵)

10⁵/10⁴ = 10

Answer:
A. 10

The value of 9 in 964,352 is 10,000 times greater than the value of 9 in 290,481, because it is positioned in the hundreds of thousands place versus the tens place.

The value of a digit in a number is determined by its position or place value. In the number 964,352, the value of the 9 is 900,000, because it is in the hundreds of thousands of places. In the number 290,481, the value of the 9 is 90, because it is in the tens place. To find out how many times greater the value of the 9 in 964,352 is than the value of the 9 in 290,481, we divide 900,000 by 90, which gives us 10,000. Therefore, the answer is C. 10,000.

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The area of glass used to make the window is 3200 sq. cm.

A kite is a member of quadrilateral which has two diagonals. The area of a kite can be determined by;

area of a kite = (length of diagonal 1 * length of diagonal 2) / 2

Therefore to determine the square meter of glass used to make the window in the given question, we have;

length of diagonal 1 = 40 + 40

                                 = 80 cm

length of diagonal 2 = 35 + 45

                                  = 80 cm

area of the window = (80*80)/2

                                 = 6400/2

area of the window = 3200 sq. cm.

Therefore, 3200 sq. m. of glass was used to make the window.

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Answer:

39.4°

Step-by-step explanation:

complementary angles add up to 90

therefore, the complementary angle to 50.6 is:

90 - 50.6 = 39.4

Answer:

-1/3

Step-by-step explanation:

When adding or subtracting fractions, you don't add or subtract the denominators.

So, Start by subtracting the numerators

3/9 - 6/9 = -3/9

you can simplify this fraction by dividing both the numerator and denominator by 3

-3 ÷ 3 = -1

9 ÷ 3 = 3

So, the answer is:

-1/3

Hope this helps!

Answer:

The flag pole is 12 feet tall

Option C.

Step-by-step explanation:

We can use the Pythagorean theorem to evaluate the height of the flagpole.

The Pythagorean theorem states that the square of the hypotenuse is equal to the sum of each of the legs squared and can be written as

[tex]a^2+b^2=c^2[/tex]

Numerical Evaluation

In this example we are given the value of the hypotenuse and the value of one of the legs.

[tex]b=16\\c=20[/tex]

Substituting our values into the equation yields

[tex]a^2+16^2=20^2[/tex]

Lets solve for [tex]a[/tex].

Evaluate [tex]16^2[/tex].

[tex]a^2+256=20^2[/tex]

Evaluate [tex]20^2[/tex].

[tex]a^2+256=400[/tex]

Subtract [tex]256[/tex] form both sides of the equation.

[tex]a^2=144[/tex]

Take the square root of both sides to eliminate the exponent.

[tex]a=\sqrt{144}[/tex]

Evaluate [tex]\sqrt{144}[/tex].

[tex]a=12[/tex]

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Answer:[tex]3x^{5} \sqrt{x}[/tex]

Step-by-step explanation:

Answer: Let's call the portions that the second friend gets "x". Then, the third friend gets four times that amount, which is 4x. Finally, the first friend gets four times the third friend's portion, which is 4(4x) = 16x.

The sum of the portions is equal to the total prize money of $273,000, so:

x + 4x + 16x = 273000

21x = 273000

x = 13000

So, the second friend gets $13,000, the third friend gets four times that amount, which is $52,000, and the first friend gets four times the third friend's portion, which is $208,000.

Step-by-step explanation:

The price per pound of the carrots Dora bought is $0.80.

What is the unit rate?

Unit rate is a ratio that compares the amount of one unit of measure to the corresponding amount of another unit of measure. It is a special case of a ratio, in which the second term is always one. For example, if a car travels 120 miles in 2 hours, the unit rate of speed is 60 miles per hour, which means that the car travels 60 miles for every hour of driving.

Unit rate is commonly used in everyday life, such as in shopping (price per unit) or in cooking (ingredients per serving).

To find the price per pound of the carrots, we need to divide the total cost by the total weight.

First, we need to convert the mixed number 4 1/2 to an improper fraction:

4 1/2 = (4 x 2 + 1) / 2 = 9/2

Next, we divide the total cost by the total weight in pounds:

Price per pound = Total cost / Total weight

Price per pound = $3.60 / 4.5 pounds

Price per pound = $0.80

Therefore, the price per pound of the carrots Dora bought is $0.80.

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The required probability that the mean height of a sample of sixteen men falls between 66 and 68 inches is approximately 0.6827.

We know that the sample size n = 16, the population mean μ = 67 inches, and the population standard deviation σ = 4 inches.

The sampling distribution of the sample mean can be approximated by a normal distribution with mean μ and standard deviation σ/√n.

Thus, the distribution of the sample mean can be expressed as:

[tex]$\bar{X} \sim \mathcal{N}(\mu, \frac{\sigma}{\sqrt{n}})$$[/tex]

Substituting the given values, we have:

[tex]$\bar{X} \sim \mathcal{N}(67, \frac{4}{\sqrt{16}})$$[/tex]

[tex]$\bar{X} \sim \mathcal{N}(67, 1)$$[/tex]

To find the probability that the sample mean falls between 66 and 68 inches, we need to find the z-scores corresponding to these values and calculate the area under the normal curve between these z-scores.

The z-score corresponding to a sample mean of 66 inches is:

[tex]$z = \frac{66 - 67}{1} = -1$$[/tex]

The z-score corresponding to a sample mean of 68 inches is:

[tex]$z = \frac{68 - 67}{1} = 1$$[/tex]

Thus, we need to find the probability that the z-score falls between -1 and 1. Using a standard normal distribution table or calculator, we can find that this probability is approximately 0.6827.

Therefore, the probability that the mean height of a sample of sixteen men falls between 66 and 68 inches is approximately 0.6827.

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The graph of the linear inequality y ≥ 2·x - 1 is the region on or above the graph of the line y = 2·x - 1

Option A is correct;

(A) On or above

An inequality is a comparison that expresses an unequal relationship between two expressions.

An example of an inequality is; V < W, R > Q, X ≥ W, etc

The region of the graph of a linear inequality is indicated by shading above the line when the inequality is >, and below the line when the inequality symbol is <

The specified linear inequality can be presented as follows;

y ≥ 2·x - 1

Therefore, w get;

The values of y are larger than 2·x - 1

The shaded region is the region on or above the graph of the line y = 2·x - 1

The correct option is therefore; (A) On or above the line y = 2·x - 1

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Answer:

1/4 x 4/1 x4/1= 2

6/1 x 6/1 x1/6=2

Step-by-step explanation:

The maximum and minimum of the given function are 22 and -2, respectively

The system of inequalities is given as

y ≥ -x - 2

y ≥ 3x + 2

y ≤ x + 4

See attachment for the graph

From the graph, we have the following coordinates

(-1, -1), (-3, 1) and (1, 5)

Substitute (-1, -1), (-3, 1) and (1, 5) in f(x, y) = -3x + 5y

So, we have

f(-1, -1) = -3(-1) + 5(-1) = -2

f(-3, 1) = -3(-3) + 5(1) = 14

f(1, 5) = -3(1) + 5(5) = 22

Hence, the maximum is 22 and the minimum is -2

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