Suppose b is a constant and that f(x) is a function defined when x = b. Complete the following sentences.
1. If f(b) is large, then 1/f(b) is __
2. If f(b) is small, then 1/f(b) is __
3. If f(b) = 0 then
1/f(b) is __
4. if f(b) is positive, then
1/f(b) is __
5. If f(b) is negative, then 1/f(b) is __

Answer:

In economics, the LOD or Law of Demand states that as the price increases on a good or service, there are less people that are willing and able to purchase that good or service.

Here is an example

On the image attached there is a Price Quantity Demanded Graph. The Line on the graph represents demand.  The furthur right the line of the graph goes, the larger the quantity of demand for a good is, vice versa. The Law Of Demand is demonstrated on the graph and the table, when price (Px) is at 5, then only Quantity Demanded (Dx) equals 100. When Px = 1 then Dx = 500. As price decreases, demand increases.

Hope this helped :)

Answer:

area of sector = 49π/6 cm² ≈ 25.7 cm²

Step-by-step explanation:

area of sector = (n/360°)πr²

where n = central angle of sector, and r = radius of circle

Here, we have:

n = 60°

r = d/2 = 14 cm / 2 = 7 cm

area of sector = (60°/360°)π(7 cm)²

area of sector = (1/6)π(49 cm²)

area of sector = 49π/6 cm² ≈ 25.7 cm²

Answer:

H = 20

Step-by-step explanation:

Looks like you got everything correct. Nice!

For your last one, let's get H by itself. Since 1/2 is division, let's multiple it by 2 to turn it into one. Because you multiply by 2 on the left side, you have to on the right side also...

(1/2)(2) = 1

(1)(h) = h

On the other side, 10(2) = 20.

Combining the 2, H = 20

Answer: The total cost for two people to go to the movies three times is 3x2 = 6x dollars.

The cost of a bag of popcorn is $4 and they share one bag of popcorn each time they go to the movie, so the total cost of popcorn is 4*3 = $12 dollars.

So the total cost for two people to go to the movies three times and sharing a bag of popcorn each time is 6x + $12

So an expression to represent the total cost for two people to go to the movies three times and sharing a bag of popcorn each time is 6x + $12.

Step-by-step explanation:

The solution to the algebraic expression 3y - (2y - 3) ÷ 4 is; (10y + 3)/4

The algebraic expression is given as;

3y - (2y - 3) ÷ 4

With the aid of order of operations named PEMDAS which is an acronym for Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction. Thus, we can rewrite the expression as;

3y - (2y - 3)/4

The common denominator is 4 and when we distribute we will have;

(4(3y) - 2y + 3)/4

= (12y - 2y + 3)/4

= (10y + 3)/4

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The equation will be 4(x + 2) = 40 and the value of the variable 'x' will be 8.

The product of the four and the edge length of the square or the sum of all the sides of the square is known as the perimeter of the square. For a square with a side length of a unit, we get:

Perimeter of the square = 4a unit

The perimeter of the square is 40 cm. And the sides length of the square is (x + 2) cm. Then the perimeter of the square is given as,

4(x + 2) = 40

Simplify the equation, then we have

4(x + 2) = 40

(x + 2) = 10

x = 10 - 2

x = 8

The equation will be 4(x + 2) = 40 and the value of the variable 'x' will be 8.

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Answer: c

Step-by-step explanation:

Sets are represented as a collection of well-defined objects or elements and it does not change from person to person. A set is represented by a capital letter. The number of elements in the finite set is known as the cardinality (or the cardinal number) of a set. Let us take an example:

A = {1, 2, 3, 4, 5 }

Since a set is usually represented by the capital letter. Thus, A is the set and 1, 2, 3, 4, 5 are the elements of the set or members of the set. The elements that are written in the set can be in any order but cannot be repeated. All the set elements are represented in small letter in case of alphabets. Also, we can write it as 1 ∈ A, 2 ∈ A etc. The cardinal number of the set is 5. Some commonly used sets are as follows:

N: Set of all natural numbers

Z: Set of all integers

Q: Set of all rational numbers

R: Set of all real numbers

Z+: Set of all positive integers

A non empty is a set that has one or more elements.A “set” is just a well-defined collection of distinct objects, and their union—the set—is an object itself. A set can contain anywhere from 0 to an infinite number of items.

Finite sets are sets having a finite/countable number of members. Finite sets are also known as countable sets, as they can be counted. The process will run out of elements to list if the elements of this set have a finite number of members

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Answer:

7.5

Step-by-step explanation:

Since the segments are parallel, the side segment lengths are proportional.

8/10 = 6/x

4/5 = 6/x

4x = 30

x = 7.5

Answer: AAS and both triangles are congruent

Step-by-step explanation: Hello! Since you are given two angles and one side that are congruent in both triangles, you know that they are either congruent by ASA (angle side angle congruence postulate) or AAS (angle angle side) congruence postulate.  The way you tell the difference between the two is by how the congruent angles and the congruent side is shown.  In ASA, the congruent side would be the included side between both congruent angles.  Since the congruent side is not in between both angles and both angles do not share the congruent side to the other triangle, the triangles are congruent by AAS. The triangles two given shared angle and given congruent side is in the order of angle angle side, so the triangles are related by AAS.  This means that the triangles are congruent.  

Fun fact:
By CPCTC, you know that corresponding parts are congruent in congruent triangles.  If you know two or more triangles are congruent, then each of their angles and sides are congruent as well.

I hope this helps you!

Answer:

So the width of the rectangle measures 19.5 feet and the length measures 136.5 feet.

Step-by-step explanation:

We can use algebra to solve for the width and length of the rectangle. Let's call the width of the rectangle "w" and the length "l".We know that the perimeter of the rectangle is the sum of all four sides, so we can use the formula:P = 2l + 2wwhere P is the perimeter and l and w are the length and width of the rectangle. We know that P = 312 feet.Also, we know that the length is seven times the width, so we can express the length as:l = 7wNow we can substitute this value of l into the perimeter equation:312 = 2(7w) + 2w312 = 14w + 2w312 = 16ww = 19.5 feetNow we can use this value of w to find the length:l = 7w = 7(19.5) = 136.5 feetSo the width of the rectangle measures 19.5 feet and the length measures 136.5 feet.

We can actually think that insurance companies offer uninsured/ underinsured coverage at a cheaper rate than collision coverage because the risk of a claim is typically lower for uninsured/underinsured coverage.

An agreement to provide compensation to another party in the event of a certain loss, damage, or injury is known as insurance, and it is a way to safeguard against financial loss. It is a type of risk management that is mostly applied to protect against the risk of a potential or unforeseen loss.

Collision coverage is for damage to the policyholder's own vehicle, while uninsured/underinsured coverage is for damage caused by another driver who does not have enough insurance to cover the costs of an accident. Since fewer drivers are uninsured or underinsured, the likelihood of a claim being made under that coverage is lower, and thus the cost is less.

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The values of x if the two expressions equal are all real numbers.

What is Algebraic expression ?

Algebraic expression can be defined as the combination of variables and constants.

Given expression ,

(x-2) (x+6) / 7 (x+6)  =  x-2/ 7

So, in LHS x+6 can be cancelled

and we get,

=x-2/ 7

which is same as the RHS from the given expression .

So, As the both LHS and RHS are equal , if put any value Both remains same

Hence, The values of x if the two expressions equal are all real numbers.

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The possible sets of five tiles that she could have pulled out are (2,3),(3,2)

If the given quadratic expression is of the form ax^2 + bx + c, then its factored form is obtained by two numbers alpha( α ) and beta( β) such that:

[tex]b = \alpha + \beta \\ ac =\alpha \times \beta[/tex]

Then writing b in terms of alpha and beta would help us getting common factors out.

Sometimes, it is not possible to find factors easily, so using the quadratic equation formula can help out without any  trial and error.

Given;

Number of tiles asha pulled out=5

Bag contains only positive and negative x and x² tiles

So, the equation will be

-x^2+x=5

x^2-x+5=0

Now,

[tex]x = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a}[/tex]

x= 1 +[tex]\sqrt{1-4*-1*-5}[/tex])/2

x=2,3

x=3,2

Therefore, the quadratic equation solution will be (2,3),(3,2)

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Yes, substitution can be used to solve a linear system of equations.

Linear System of Equations:

A system of linear equations (or linear system) is a collection of one or more linear equations involving the same variables. A linear system in three variables determines a collection of planes The intersection point is the solution. For example, is a system of three equations in the three variables x, y, z.

The substitution technique involves separating out a single variable from one equation and utilizing that expression to replace the variable in the other equation (s). This will enable you to solve for the remaining variable or variables and discover the system's answer.

Yes, a linear system of equations can be solved via substitution.

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The probability of 5 heads in 10 flips.

A coin is flipped 10 times and we want to find the probability of getting exactly 5 heads.

This situation is a binomial distribution because it involves a fixed number of trials (10) and each trial has a fixed probability of success (1/2). . The probability of obtaining exactly 6 successes in 10 trials is given by the formula P(x) = nCx * px * (1-p)n-x. In this situation, the probability is P(x) = 10C6 * 0.26 * 0.84 = 0.17496. The probability of getting exactly 5 heads can be calculated using the formula P(X=5) = 10C5 * 0.5^5 * 0.5^5 = 0.246. This is the probability of 5 heads in 10 flips.

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Complete question:What is the probability of getting 5 heads when you toss a fair coin 10 times?

The length of the midsegment of the trapezoid with the vertices A(0,3) ,B(2 , 5) ,C(6,4) ,D(2,0) is; 3√2

The length of the mid-segment of a trapezoid is half the sum of the lengths of the two parallel sides, AB and CD. T

The  vertices are;

A(0,3) ,B(2 , 5) ,C(6,4) ,D(2,0)

Thus;

Length of sides AB and CD

length = √(x₂ - x₁)² + (y₂ - y₁)²

AB =√(2 - 0)² + (5 - 3)²

AB = 2√2

length = √(x₂ - x₁)² + (y₂ - y₁)²

CD = √(2 - 6)² + (0 - 4)²

CD = 4√2

Formula to use for the mid segment is;

Mid segment = (AB + CD)/2

                      = (2√2 + 4√2) / 2

                      = 3√2

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Alicia made a quilt using 9 inches of Blue Diamonds fabric and 30 inches of Yellow Bonnets fabric.

The end-to-end measurement or size is called the length. In other words, the larger of the two or three dimensions of a geometric shape or object. For example, the length and width of a rectangle define its dimensions. In the international size system, length is also a dimensional distance quantity.

Blue Diamond fabric is 1/4" x 36" or 9" quarter yards.

5/6 yards of yellow bonnet fabric equals 5/6 x 36 inches or 30 inches.

Alicia made the quilt using 9 inches of Blue Diamonds fabric and 30 inches of Yellow Bonnets fabric.

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Option (b) is the correct option i.e. The height is 5 units.

The height of an object is determined by measuring the distance between its base and its top.

As opposed to length, width, and height for a rectangular shape's area, the basic formula for volume is length, breadth, and height. The calculation is unaffected by how the different dimensions are referred to; for example, "depth" can be used in place of "height."

Given, V = πr².H

          V/πr² = H

So, It can be written in terms of height, H as V/πr².

Now, If r = 3 units and V= 45π then,

H =   V/πr² = 45π / π(3)²

                = 45π/9π

                = 5 units.

Hence, height is 5 units.

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The probability that a student studied for exactly 1 hour is 0.23

Probability is a measure of the likelihood of a particular event occurring. It is a number between 0 and 1, with 0 indicating that an event is impossible and 1 indicating that an event is certain.

From the given table, you need notice that the number of students who study for 1 hour is 8.

In order to determine the probability that a student studied for exactly 1 hour, we need to find total number of students. That is:

Total number of student = 1 + 8 + 2 + 5 + 9 + 7 + 3 = 35

probability (exactly 1 hour) =  number of exactly 1 hour/Total number

probability (exactly 1 hour) = 8/35 = 0.23

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Answer:

B

Step-by-step explanation:

In a case whereby longer leg of a right triangle is 3cm longer than the shorter leg and hypotenuse is 6cm longer than the shorter leg then the side lengths of the triangle is  9 inches.

The concept that will be used is pythagoras theorem.

We can make s = the length of the shorter leg.

Where the longer leg  can be expressedas  (s + 3),

Then the hypotenuse is( s + 6).

From pythagoras theorem,  a^2 + b^2 = c^2.  

then we have s^2 + (s + 3)^2 = (s + 6)^2

[s^2 + (s + 3)(s + 3)] =[ (s + 6)(s + 6) ]

s^2 + s^2 + 6s + 9 = s^2 + 12s + 36

If we collect like terms we have

s^2 - 6s - 27 = 0

Then if we factorize we have

(x - 9)(x + 3) = 0

then

we can set the whole left side to equal 0.

x - 9 = 0, then  x = 9

x + 3 = 0, then  x = -3.  

But we can only have positive value which sis 9, hence shortest side is 9 inches.

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The rocket was at a height of 19.75 meters after 0.5 seconds

The rocket hit the ground after 8.02 seconds

The maximum height is 81 m.

An equation is an expression that shows the relationship between numbers and variables.

The height (h) of the rocket t seconds after launch is modeled by:

h(t) = -5t² + 40t + 1

a) After 0.5 seconds:

h(0.5) = -5(0.5)² + 40(0.5) + 1 = 19.75 meters

b) The rocket hit the ground when h(t) = 0, hence:

-5t² + 40t + 1 = 0

t = 8.02 s

c) The maximum height is at h'(t) = 0

h'(t) = -10t + 40

-10t + 40 = 0

10t = 40

t = 4 s

h(4) = -5(4)² + 40(4) + 1 = 81 meter

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4m-10 is the expression represents the number of marbles Carter and Nicholas have altogether.

An expression is combination of variables, numbers and operators.

Let m be the number of marbles.

The number of marbles April has be m.

Given that Carter has 10 fewer marbles than April.

If Carter has 10 less than m, that's m - 10.

Nicholas has 3 times as many marbles as April.

3m

marbles Carter and Nicholas have altogether

m-10+3m

4m-10

Hence, 4m-10 is the expression represents the number of marbles Carter and Nicholas have altogether.

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