The area of a kitchen is 182 square feet. This is 20% of the area of the first floor of the house. Let f represent the area of the first floor. Write an equation to represent the situation.

Answer:

negative 10 and seven fifteenths

Answer:

1: negative 10 and seven fifteenths

The number of yards of ribbon used to make small barrettes is 3 yards and the number of yards of ribbon used to make large barrettes is 7 yards.

A system of linear equations consists of two or more equations made up of two or more variables such that all equations in the system are considered simultaneously. The solution to a system of linear equations in two variables is any ordered pair that satisfies each equation independently.

Given that, Destiny is using ribbon to create girls' hair barrettes.

Let the number of yards of ribbon used to small barrettes be x and the number of yards of ribbon used to large barrettes be y.

For a craft fair in Booneville, she made 12 small barrettes and 14 large barrettes, using a total of 148 yards of ribbon.

Now, the equation is 12x+14y=148 -------(i)

For another craft fair in Newport, she made 12 small barrettes and 10 large barrettes, which used a total of 116 yards.

So, the equation is 12x+10y=116 -------(ii)

Subtract equation (ii) from equation (i), we get

12x+14y-(12x+10y)=148-116

4y=32

y=8

Substitute y=7 in equation (i), we get

12x+14(8)=148

12x+112=148

12x=36

x=3

Therefore, the number of yards of ribbon used to make small barrettes is 3 yards and the number of yards of ribbon used to make large barrettes is 7 yards.

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[tex]\huge\begin{array}{ccc}A.&\left(\frac{f}{g}\right)(x)=\frac{\sqrt[3]{2x}}{2x+1},&x\neq-\frac{1}{2}\end{array}[/tex]

We have the functions:

[tex]f(x)=\sqrt[3]{2x}\\\\g(x)=2x+1[/tex]

Let's define the domain of the functions:

[tex]D_f:x\in\mathbb{R}\\\\D_g:x\in\mathbb{R}[/tex]

Make the function

[tex]\left(\dfrac{f}{g}\right)(x)=\dfrac{\sqrt[3]{2x}}{2x+1}[/tex]

Let's define the domain of the function:

[tex]D:2x+1\neq0\\\\2x+1-1\neq0-1\\\\2x\neq-1\\\\\dfrac{2x}{2}\neq\dfrac{-1}{2}\\\\x\neq-\dfrac{1}{2}[/tex]

k=2.081, f(x) is continuous at x=3. So correct option is A.

In mathematics, a continuous function is one where a continuous variation of the argument results in a continuous variation of the function's value (i.e., a change without a leap). This indicates that there aren't any discontinuities, or sudden changes in value. More specifically, a function is continuous if it is possible to guarantee that its value will not vary significantly even with arbitrarily tiny changes to its parameter. Any function that is not continuous is said to be discontinuous. Mathematicians up until the 19th century mostly used intuitive ideas of continuity and only took into account continuous functions. To formalize the idea of continuity, the epsilon-delta definition of a limit was established.

Since f(x)[tex]\left \{ {{k^{3}+x } for x < 3 \atop {\frac{16}{k^{2}-1 }for x\geq 3 }} \right.[/tex]

We have to check continuity at x=3, for the value of k.

So, [tex]\lim_{x \to-3 \ } f(x)= \lim_{x \to +3\ } f(3)[/tex], eq.(1)

[tex]\lim_{x \to -3\ } f(x)=k^{3} + 3\\ \lim_{x \to +3\ } f(x)= \frac{16}{k^{2}-3 } and f(3)=\frac{16}{k^{2}-3 } \\from eq.(1)\\k^{3}+3=\frac{16}{k^{2} -3}[/tex]

By option (A), put k= 2.081= 2.081³ + 3= [tex]\frac{16}{2.081^{2} -3}[/tex]

=9.01189744+3= [tex]\frac{16}{4.330561-3}[/tex]

=12.01189744=[tex]\frac{16}{1.330561}=12.0118974[/tex]

Hence, k=2.081, f(x) is continuous at x=3.

So, option A is correct.

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The value of a 45 degree angle in an isosceles right angled triangle is: 1

In an isosceles right angled triangle, where AB = BC = x, the sides AB and BC form the hypotenuse, and the remaining side AC forms one of the legs.

For the 45 degree angle (let's call it angle A), the sine function can be used to find the ratio of the opposite side to the hypotenuse:

Since the triangle is isosceles, AC = AB = x, therefore:

So the sine of a 45 degree angle in an isosceles right angled triangle is 1.

Note: The cosine and tangent of 45 degrees can also be found using the other trigonometric ratios, but since only sine was requested, I only provided the sine value.

Complete Question:

"ABC is an isosceles right angled triangle. Assuming AB = BC = x, find the value of each of the following trigonometric ratios:

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Sara drank approximately 16.25 teaspoons of sugar in her 20-oz. bottle of soda.

This calculation is determining the amount of sugar that was consumed by Sara in her 20-oz. bottle of soda. The amount of sugar is given as 65 grams, and we are converting this quantity from grams to teaspoons.

One teaspoon of sugar is equivalent to 4 grams of sugar, so we divide the number of grams by 4 to find the number of teaspoons. The calculation is 65 grams divided by 4 grams/teaspoon, which gives us 16.25 teaspoons.

There are approximately 4 grams of sugar in a teaspoon, so 65 grams of sugar is equal to:

65 grams / 4 grams/teaspoon = 16.25 teaspoons

So, Sara drank approximately 16.25 teaspoons of sugar in her 20-oz. bottle of soda.

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The values of A,B,C are 1/4,0.-1/8 respectively.

If the degree of both f(x,y) and g(x,y) are the same, a differential equation of the form f(x,y)dy = g(x,y)dx is said to be homogeneous. For k>0, a homogeneous function of degree n is a function of type F(x,y) that may be expressed in the form kn F(x,y). As a result, f and g are the same-degree homogeneous functions of x and y.

The characteristic equation of homogeneous problem and its zeros:

r²+4=0

r= ±2i

Homogeneous solution:

yc=c1 cos 2t+ c2 sin 2t

set Y1= At²+ Bt+C

Plugging in Y1 into the starting equation:

2At+ 4At²+ 4Bt+4C=t²

A=1/4

B=0

2A+4C= 0

4C= -1/2

C= -1/8

Thus, the values of A,B,C are 1/4,0.-1/8 respectively

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The value of expression to represent stickers Niu has left is,

⇒ 24 - 4x

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

We have to given that;

Niu has decorated x cards.

He started with 24 stickers, and he used 4 stickers per card.

Now, Number of used stickers in x cards =  4x

Hence, The value of expression to represent stickers Niu has left is,

⇒ 24 - 4x

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Answer:

6

Step-by-step explanation:

70 sign up

11.5 each visit  assuming w visits

so to get to 139

11.5w +70=139

11.5w =69

w= 6

The quadratic equation whose solution set is {0, 2}, is: x²-2x = 0

A Quadratic equation is any equation containing one term in which the unknown is squared and no term in which it is raised to a higher power.

Given that, the solution of a quadratic equation is {0, 2},

The equation of a quadratic polynomial in form sum and product of solutions is given by,

x²-(α+β)x+αβ = 0, where α, β = solution of equation

α+β = 0+2

α+β = 2

αβ = 0×2

αβ = 0

Therefore, equation is x²-2x+0 = 0

Hence, the quadratic equation whose solution set is {0, 2}, is: x²-2x = 0

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The probability that the visitor is a robot is 0.000 to three decimal places.

Probability is the likelihood that a particular event will occur. It is usually expressed as a number between 0 and 1. A probability of 0 means that the event will never happen, while a probability of 1 means that the event is certain to occur.

The formula for probability in decimal format is:

Probability (in decimal format) = Number of Possible Favorable Outcomes / Total Number of Possible Outcomes

given below

Step 1: When a visitor is flagged, it means that the website has identified the visitor as potentially suspicious or malicious.

Step 2: It is impossible to determine the exact probability that the visitor is a robot as this information is not available.

Step 3: Therefore, the probability that the visitor is a robot is 0.000 to three decimal places.

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When the two number of columns are added together, the result is 52. Therefore, 14 + 38 = 52.

14 + 38 =

The first step in determining the sum of 14 and 38 is to add the two numbers together.

14 + 38 = 52

The first step in determining the sum of 14 and 38 is to add the two numbers together. This is done by lining up the numbers according to their place values, and then adding the numbers in each column. In this case, the ones column is 4 and 8, which adds up to 12. The tens column is 1 and 3, which adds up to 4. When the two columns are added together, the result is 52. Therefore, 14 + 38 = 52.

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There are 4 possible nitrogenous bases, so for each position in the DNA sequence there are 4 options to choose from. Therefore, in a single base position there are 4 possible mutations. In a double base position, there are 4 * 4 = 16 possible mutations. This means that for 11 double base positions, there are 11 * 16 = 176 possible double letter mutations.

DNA (Deoxyribonucleic Acid) is the genetic material that encodes the instructions for the development and function of all living organisms. DNA is made up of four nitrogenous bases: adenine (A), cytosine (C), guanine (G), and thymine (T).

The sequence of these nitrogenous bases is what determines the genetic information of an organism. Mutations are changes in the DNA sequence that can occur naturally or as a result of environmental factors.

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The complete sentence:

Produce per pound costs less than meat per pound because the slope of the graph for meat is greater to that of the graph for produce.

The slope of the graph tells you the unit rate in dollars per pound.

The graph of a linear function is a straight line. The following is the form of a linear function.

a + bx = y = f(x).

One independent variable and one dependent variable make up a linear function. x and y are the independent and dependent variables, respectively.

Given:

The graph's x-axis displays weight in pounds and the y-axis the cost in dollars.

The slope of a line is constant and indicates the unit rate of change.

The graph's slope, then, shows the unit rate in dollars per pound.

Also, the slope is higher on the steeper line (closer to the y-axis).

Considering the graph,

The graph of the line shows that the price of meat per pound is higher than the price of vegetables per pound.

Therefore, the line for meat is larger than the graph for produce, the price of meat per pound is higher than the price of produce per pound.

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The complete question is given in the attached image.

Answer:

5 units

Step-by-step explanation:

since the y- coordinates are equal, both 5, then this is a horizontal line.

the distance between the points is then the absolute difference of the x- coordinates, that is

distance = | - 3 - 2 | = | - 5 | = | 5 | = 5 units

or

distance = | 2 - (- 3) | = | 2 + 3 | = | 5 | = 5 units

The difference between the two girl at first is 120 - 24 = 96 weet.

I determined the answer by using algebra. I started by defining the original number of weet that Sally had as x. Then, I used the information given in the problem to set up two equations:

       x = 24

Now that I know that Sally originally had 24 weet, I can use that information to find the original number of weet that Devi had. According to the problem, Devi had five times as many weet as Sally, so:

Finally, I subtracted Sally's original number of weet (24) from Devi's original number of weet (120) to find the difference between the two:

So, the difference between the two girls at first was 96 weet.

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Richard has a 1/5 probability of accurately answering all of the questions.

Probability is simply the possibility that something will happen.

When we don't know how something will turn out, we can talk about the possibility of one outcome or the likelihood of several.

The study of events that fit into a probability distribution is known as statistics.

How likely something is to happen is determined by its probability.

The probability is calculated by dividing the total number of outcomes by the total number of potential events.

So, we know he probability formula which is:

P(E) = Favourable events/Total events

So, the correct answers are 10 and there are 10*5 total options.

Then, P(F) = 10 and P(T) = 10*5 = 50.

Now, insert values in the formula and calculate as follows:

P(E) = Favourable events/Total events

P(E) = 10/50

P(E) = 1/5

Therefore, Richard has a 1/5 probability of accurately answering all of the questions.

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Complete question:

Richard has just been given a 10-question multiple-choice quiz in his history class. Each question has five answers, of which only one is correct. Since Richard has not attended a class recently, he doesn't know any of the answers. Assuming that Richard guesses on all ten questions, find the indicated probabilities. (Round your answers to three decimal places.)

What is the probability that he will answer all questions correctly?

Considering that Parker uses 1 gallon of gas for every 0.026 miles he drives, he can travel 1.149 miles on 44.2 gallons of fuel.

The unitary is a method of troubles that entails calculating the value of a single unit, multiplying that value, and then calculating the required value. To sum it up, the unit method is employed to obtain a single unit quantity from a specified multiple. One writer costs 400 rupees, and 40 pens would cost 400 rupees. Perhaps there is a regular procedure for carrying it out. merely one nation. anything featuring a distinctive component. Algebra of matrices or operators, linear programming, applied mathematics, and its homologue and reciprocal are all equivalent.

given

For 34 miles and 1305, Parker's mileage is directly proportionate to the amount of gallons used.

1 gallon equals 0.026 miles, so 6 gallons are required.

Consequently, 1.149 miles equal 44.2 gallons of gas.

Considering that Parker uses 1 gallon of gas for every 0.026 miles he drives, he can travel 1.149 miles on 44.2 gallons of fuel.

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End behavior of a function f defines the behavior of the function's graph at the "ends" of the x-axis. In other words, the end behavior of a function explains the graph's trend when we look to the right end of the x-axis (as x approaches +∞ ) and to the left end of the x-axis (as x approaches −∞ ).

A function is an equation with just one solution for y for every x. A function produces exactly one output for each input of a certain type. Instead of y, it is usual to call a function f(x) or g(x). f(2) indicates that we should discover our function's value when x equals 2. Example. A function is a type of rule that produces one output for one input. Alex Federspiel provided the image. y=x2 is an example of this. If you enter anything for x, you will only get one output for y. Because x represents the input value, we may say that y is a function of x.

Here,

End behavior of a function f specifies how the function's graph behaves at the "ends" of the x-axis. In other words, when we look to the right end of the x-axis (as x approaches +) and to the left end of the x-axis (as x approaches ), the end behavior of a function explains the graph's trend.

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The value of z if the area to the right of z is 0.9803 is -2.06.

The area to the right of a standard normal random variable (z) can be calculated using the cumulative probability of the normal distribution. This can be done by using the formula P(z≤x) = Φ(x), where Φ is the cumulative probability of the normal distribution.

Since the area to the right of z is 0.9803, this implies that P(z≤x) = 0.9803.

Using the formula, this can be rearranged to solve for x. The rearranged equation is Φ(x) = 0.9803, which can then be solved using a standard normal table.

From the standard normal table, the value of x is found to be 2.06. This means that the value of z for the given area to the right of z is -2.06.

Therefore, the value of z if the area to the right of z is 0.9803 is -2.06.

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The required pmf is P(X=x) = [tex]\frac{\binom{28}{x}\binom{70 - 28}{10 - x}}{\binom{70}{10}}[/tex]

A probability mass function (pmf) is a function over the sample space of a discrete random variable X which gives the probability that X is equal to a certain value. Let X be a discrete random variable on a sample space S . Then the probability mass function f(x) is defined as. f(x)=P[X=x]. f ( x ) = P [ X = x ] .

as given, if 28 of the firms are actually violating at least one regulation, what is the pmf of the number of firms visited by the inspector that are in violation of at least one regulation.

so,

Let X denote the number of firms that violate at least one regulation from 10 randomly selected firms out of 70 firms of which 28 violate at least one regulation.

P(X=x)

= Hyper(x; n = 10, M = 28, N = 70)

= h(x; 10, 28, 70)

= [tex]\frac{\binom{28}{x}\binom{70 - 28}{10 - x}}{\binom{70}{10}}[/tex]

Thus, the required pmf is P(X=x) = [tex]\frac{\binom{28}{x}\binom{70 - 28}{10 - x}}{\binom{70}{10}}[/tex]

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The required pmf is P(X=x) = 28Cx * (70-28)C(10-x))/70C10

A probability mass function (pmf) is a function over the sample space of a discrete random variable X which gives the probability that X is equal to a certain value. Let X be a discrete random variable on a sample space S . Then the probability mass function f(x) is defined as. f(x)=P[X=x]. f ( x ) = P [ X = x ] .

as given, if 28 of the firms are actually violating at least one regulation, what is the pmf of the number of firms visited by the inspector that are in violation of at least one regulation.

so,

Let X denote the number of firms that violate at least one regulation from 10 randomly selected firms out of 70 firms of which 28 violate at least one regulation.

P(X=x)

= Hyper(x; n = 10, M = 28, N = 70)

= h(x; 10, 28, 70)

= 28Cx * (70-28)C(10-x))/70C10

Thus, the required pmf is P(X=x) = 28Cx * (70-28)C(10-x))/70C10

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Answer:

[tex]x > -5[/tex]

Step-by-step explanation:

Flip the equation over- [tex]10x+16 > 9x+11[/tex]

Now do [tex]10x-9x=x[/tex]

So the equation now looks like this [tex]x+16 > 11[/tex]

Now subtract 16 from both sides to give you the answer [tex]x > -5[/tex]

Answer: [tex]x > \Large\boxed{-5}[/tex]

Step-by-step explanation:

Given inequality

[tex]9x+11 < 10x+16[/tex]

Subtract 9x on both sides

[tex]9x+11-9x < 10x+16-9x[/tex]

[tex]11 < x+16[/tex]

Subtract 16 on both sides

[tex]11 -16 < x+16-16[/tex]

[tex]-5 < x[/tex]

[tex]x > \Large\boxed{-5}[/tex]

The solution for a for the expression in this problem is given as follows:

a = 2.4.

The expression for this problem is defined as follows:

3/4(12a + 8) = 27.6.

We want the solution for the variable a, hence the variable a must be isolated.

Applying cross multiplication, we have that:

3(12a + 8) = 27.6 x 4.

Now with the distributive property, we have that:

36a + 24 = 110.4

36a = 110.4 - 24

a = (110.4 - 24)/36

a = 2.4.

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Answer:

10 minutes 30 seconds

Step-by-step explanation:

begin by dividing the overall size of the tub by the amount of gallons per minute.

42/4=10.5

This means that in 10.5 minutes the tub would be full. .5 is half and half of one minute is 30 seconds.

Answer: C.

Step-by-step explanation:

Ur getting paid for both per month. So you would add the together.

Then they had to be greater then or equal to 100.

The correct answer to the inequality representing how much you want to earn from tutoring Math and English is '15x + 10y ≥ 100', where 'x' and 'y' represent the hours you spend tutoring Math and English, respectively, multiplied by their respective rates. You aim to earn at least $100, so the total should be equal to or exceed $100.

The question is about inequalities that represent the money you want to earn from tutoring in Math and English. 'x' represents tutoring hours in Math and 'y' represents tutoring hours in English.

We multiply these by their respective rates ($15 for Math and $10 for English) and sum them up. As you want to earn at least $100, this sum should be equal to or greater than $100.

Therefore, the correct inequality that represents this scenario is 15x + 10y ≥ 100 since you're adding, not subtracting, the possible earnings from each subject and that total needs to be greater than or equal to your desired weekly wage of $100.

So, the correct answer is C: 15x + 10y ≥ 100.

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For the matrix [tex]\left[\begin{array}{ccc}1&0\\-3&1\end{array}\right][/tex] , the LU-factorization is option D:  [tex]\left[\begin{array}{ccc}1&0\\-3&1\end{array}\right][/tex] [tex]\left[\begin{array}{ccc}1&0\\0&1\end{array}\right][/tex].

What is a matrix?

A matrix is a rectangular array or table with numbers or other objects arranged in rows and columns. Matrices is the plural version of matrix. The number of columns and rows is unlimited. Matrix operations include addition, scalar multiplication, multiplication, transposition, and many others.

Lower-upper (LU) decomposition, also known as factorization of a matrix, is the process of breaking a matrix into its lower and upper triangular components.

The given matrix is - [tex]\left[\begin{array}{ccc}1&0\\-3&1\end{array}\right][/tex].

Generate a matrix A = LU such that L is the lower triangular matrix with principal diagonal elements being equal to 1 and U is the upper triangular matrix.

Take a matrix I =  [tex]\left[\begin{array}{ccc}1&0\\0&1\end{array}\right][/tex]

Apply the elementary row operation such that - R2 → 3R1 + R2

So, it is obtained that I = [tex]\left[\begin{array}{ccc}1&0\\-3&1\end{array}\right][/tex]

Here, lower matrix is [tex]\left[\begin{array}{ccc}1&0\\-3&1\end{array}\right][/tex].

Here. upper matrix is  [tex]\left[\begin{array}{ccc}1&0\\0&1\end{array}\right][/tex].

Therefore, the matrix is  [tex]\left[\begin{array}{ccc}1&0\\-3&1\end{array}\right][/tex] [tex]\left[\begin{array}{ccc}1&0\\0&1\end{array}\right][/tex].

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The function C(x) that gives the total cost in a day as a function is C(x) = 0.03x + 1000

The inverse function is C^-1(x) = 100/3x - 100000/3

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

Rate = $3 for every 100 reams

Initial cost = $1000

So, we have

C(x) = 3/100 * x + 1000

Evaluate

C(x) = 0.03x + 1000

To do this, we make x the subject

So, we have

0.03x = C(x) - 1000

This gives

3/100 x = C(x) - 1000

So, we have

x = 100/3 C(x) - 100000/3

Express as inverse function

C^-1(x) = 100/3x - 100000/3

This inverse function gives the number of reams of paper produced as a function of the total cost.

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As x = -7 & x = 2 are zeroes of  y=2x²+5x−24, option b. (5) and option d. (7) are NOT a potential zero.

Finding a polynomial's zeros requires the use of the rational zero theorem and synthetic division.

To generate a list of all the function's potential rational zeros, use the Rational Zero Theorem.

Analyze potential zeros via synthetic division.

The result is a zero if the remainder is 0.Any rational zero must take the form p/ q, where p is a factor of the constant term and q is a factor of the leading coefficient, if the coefficients of a polynomial function are integers and stated in descending order of the exponents.

P(x)= x² + 5x -14

p(x) = (x+7)(x-2)

y = (x+7)(x-2)

0 = (x+7)(x-2)

x+7 = 0 , x-2=0

x = -7 , x = 2

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Use the Rational Zero Theorem to find all potential rational zeros of the polynomial y=2x2+5x−24. Which of these is NOT a potential zero?

a. x = -7

b. x = 5

c. x = 2

d. x = 7

By Using the Rational Zero Theorem, All of these are not the potential zeros of the polynomial y = 2x² + 5x - 24

The Rational Zero Theorem states that if a polynomial has rational zeros, then the zeros must be the form p/q, where p is a factor of the constant term and q is a factor of the leading coefficient. In this case, the potential rational zeros are:

For example:- constant term = 24 and Leading coefficient = 2.

So, p/q = ±1, ±2, ±3, ±4, ±6, ±12, ±24

To determine which of these is not a zero, we can substitute each into the polynomial and check if the result is zero. For example, when we substitute x = 1 into the polynomial, we get:

y = 2x² + 5x - 24

At x = 1

y = 2(1)² + 5(1) - 24

y = 2 + 5 - 24

y = 19 ≠ 0

At, x = 1 it is not possible.

Check, on x = 2

y = 2(2)² + 5(2) - 24

y = 8 + 10 - 24

y = -6 ≠ 0

y = 2 is also not possible.

Check, on x = -2

y = 2(-2)² + 5(-2) - 24

y = 8 - 10 - 24

y = -26 ≠ 0

y = -2, is also not possible.

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Use the Rational Zero Theorem to find all potential rational zeros of the polynomial y=2x2+5x−24. Which of these is NOT a potential zero?

a. x = 1

b. x = 2

c. x = -2

d. all of these

It will take 0.6431 years or approximately 7.7 quarters for the investment to grow to $8935.

Raina deposited $5000 into an account with a 9. 4% annual interest rate, compounded quarterly.

To calculate the time it takes for an investment to grow to a certain amount at a given interest rate, you can use the formula:

T = [tex]\frac{log(\frac{A}{P}) }{log(1+\frac{r}{n}) }[/tex]

where:

T is the time in years

A is the final amount ($8935)

P is the initial amount ($5000)

r is the annual interest rate (9.4%)

n is the number of times compounded per year (quarterly = 4 times)

Plugging in the values, we get:

T = (log(8935 / 5000)) / (log(1 + 0.094 / 4))

T = [tex](\frac{log(1.787)}{log(1.0225)} )[/tex]

T = 0.6431 years or approximately 7.7 quarters (rounded to 2 decimal places).

Therefore, it will take 0.6431 years or approximately 7.7 quarters.

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