Which of the following is true of the discriminant for the graph below

julia wants to purchase a pair of headphones that are on sale for $42.79. the sales tax rate in her county is 6%. then Julia have to pay $2.57 as sales tax on purchase of headphones.

Given,

The cost of headphones which Julia wants to purchase on sale = $ 42.79

The sales tax in Julia's country = 6%

We have to calculate the amount of sales tax Julia will pay on the purchase:

That is,

Sales Tax Value = Percentage of sales tax × Price of headphones

Sales Tax Value = (6 / 100) × 42.79

Sales Tax Value = 0.06 × 42.79

Sales Tax Value = 2.5674

Sales Tax Value ≈ 2.57

Therefore, Julia have to pay $2.57 as sales tax on purchase of headphones.

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If a negative relation exists between two variables, low scores on one variable will be associated with high scores on the other variable.

In a negative relationship between two variables, a decrease in one variable is accompanied by an increase in the other variable. This means that as scores on one variable decrease (i.e., low scores), the scores on the other variable tend to increase (i.e., high scores). The negative relationship implies an inverse pattern where the variables move in opposite directions.

The exact nature and strength of the negative relationship can vary, but the general trend is that low scores on one variable correspond to high scores on the other variable. This negative association provides insights into the behavior and interactions between the variables being examined.

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Answer:

i think it is 27 because the last one adds up to 27

i am not really good at this stuff

To get the best estimate of the square root of 90 we will apply a short cut.

Square root of 90 will be in the form of a mixed fraction as \(a\frac{b}{c}\) or in decimals.

Here, a = square root of a perfect square number nearest to 90.

b = Difference of 90 and the perfect square number

c = Double of 'a'

Nearest square number to 90 = 81

Square root of 81 = 9

So, a = 9

Difference in 90 and 81 = 9

So, b = 90 - 81 = 9

And double of 9 = 18

Therefore, c = 18

Hence, \(\sqrt{90}\approx9\frac{9}{18}\)

                    \(\approx9.5\)

So the nearest number given in the option may be 9.4

Therefore, Option B will be the answer.

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Based on the information given, we can assume that when a coin is tossed 50 times, the difference between the number of heads and the number of tails is x. Additionally, we are told that the probability function p(x) is equal to 12.

To understand this better, we need to consider the probability of getting different values of x.

For example, if we get 25 heads and 25 tails, then x is equal to 0. If we get 30 heads and 20 tails, then x is equal to 10.

If we get 20 heads and 30 tails, then x is equal to -10.

Since we are told that p(x) is equal to 12, we can assume that the probability of getting any value of x is 12%. This means that the probability of getting x = 0, x = 10, or x = -10 is all 12%.

To find out the actual number of times we can expect to get each value of x, we need to use the binomial distribution formula.

This formula takes into account the number of trials (in this case, 50 coin tosses), the probability of success (getting heads), and the value of x.

Overall, the information given tells us that we can expect to get a difference of 10 more heads than tails or 10 more tails than heads about 12% of the time when tossing a coin 50 times.

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Answer:

16x=y

Step-by-step explanation:

Since all of them are of equal cost, they can all be represented with the value of x. So basically, multiply x with the number of products (which is 16), then just make it equal to something to make it an expression (the total cost), which will be y, since it is unknown

Project management services refer to the professional assistance and support provided to organizations to plan, execute, and manage projects effectively. These services may include a range of activities, such as project planning, scheduling, budgeting, risk management, stakeholder management, quality assurance, and project reporting.

Project management services can be provided by both internal and external professionals. Internal project managers are employees of the organization who are responsible for managing projects within the company.

External project management services can be hired from consulting firms, specialized project management companies, or freelance professionals who work independently.

Project management services can help ensure that projects are delivered on time, within budget, and to the required quality standards.

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Explain project Management Services

The ratio of the population of the second germ to the population of the first germ can be represented by option A, "R(x) = (2.6)^(3x-8), since 2.6 is the same as (1.3)^2". This can be solved by the concept of Ratio and Proportions.

The best function that represents the ratio of the population of the second germ to the population of the first germ is option A, R(x)=(2.6)^3x-8.

To find the ratio of the population of the second germ to the population of the first germ, we need to divide the second germ's population function by the first germ's population function.

R(x) = B(x)/A(x) = ((1.3)^4x+1)/((1.3)^x+9)

To simplify this expression, we can use the rule of exponents that states (a^m)/(a^n) = a^(m-n), and we get:

R(x) = (1.3)^(4x+1-x-9) = (1.3)^(3x-8)

Therefore, the ratio of the population of the second germ to the population of the first germ can be represented by option A, R(x) = (2.6)^(3x-8), since 2.6 is the same as (1.3)^2

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Answer:

159

Step-by-step explanation:

100%-> 150

106%->159

Answer:

$159

Step-by-step explanation:

(6 x 150 ) / 100  = 9 ($9 is the sales tax)

Answer:

Missing number is 1

Step-by-step explanation:

3(2x+1)

Using distributive property,

=>3(2x)+2(1)

=>6x+2

-1/7, since parallel lines have equal slopes.

The probability that the randomly selected patient had a blood test requested during their visit is approximately 0.120

In this case:

We can calculate the overall probability as the weighted average of the probabilities from each doctor:

Probability = (Probability from Dr. Sarabia) * (Percentage of patients seen by Dr. Sarabia) + (Probability from Dr. Tran) * (Percentage of patients seen by Dr. Tran) + (Probability from Dr. Jackson) * (Percentage of patients seen by Dr. Jackson)

Probability = (0.10 * 0.27) + (0.10 * 0.32) + (0.15 * 0.41)

Probability ≈ 0.027 + 0.032 + 0.061

Probability ≈ 0.12

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Mathematical literacy refers to a person's ability to understand and use mathematical concepts and skills to solve real-world problems in a variety of contexts. It involves the ability to reason quantitatively and use mathematical tools effectively.

Mathematical literacy is essential in various aspects of daily life. For instance, it is required to manage personal finances, make purchasing decisions, calculate taxes, and understand financial statements.

In the workplace, it is necessary to analyze data, make predictions, and optimize systems. In fields such as medicine, engineering, and science, mathematical literacy is essential to make accurate measurements, analyze experimental results, and model complex systems.

Thus, mathematical literacy is required in various social and political contexts to analyze statistical data, understand probabilities, and make informed decisions.

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Full Question:

Although part of your question is missing, you might be referring to this full question:

What is Mathematical Literacy​?

An equation that mode the relationship between thee two variable is y=2x+3 .

Let x represent the number of 6-month period worked

Let y represent the total number of paid vacation day

According to the question,

When he started work, he was given three paid day of vacation. For each six-month period he pay at the job, his vacation is increased by two day.

Each year has 2 six-month periods. After 4.4 years Roberto will have worked 8.8 six-month periods. He will have been given vacation days for each of the 8 whole working periods he has completed. x=8 y=2*8+3 y=19

An equation that mode the relationship between thee two variable is y=2x+3 (Total vacation time equals 2 days times x plus the 3 days he was given at the start).

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hard question tbh check here and search it up

Answer:

Let's assume that Holly has x trophies. When you don't know the amount someone has you can always use x in your equation because later on in the calculation you'll figure it out anyways

Emma has 7 fewer trophies than Holly. So Emma has x - 7 trophies.

Together, they have 27 trophies. So we can write an equation:

x + (x-7) = 27

Simplifying and solving for x, we get:

2x - 7 = 27

2x = 34

x = 17

So Holly has 17 trophies, and Emma has 17 - 7 = 10 trophies in total!

The correct option is (a) function f is defined for all x.

Given that f(5) < 6, it only provides information about the specific value of f at x = 5 and does not provide any information about the behavior or properties of the function outside of that point. Therefore, we cannot infer anything about the continuity, increasing or decreasing nature, or the existence of a limit at any other point or interval. The only conclusion we can draw is that the function is defined at x = 5.

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Step-by-step explanation:

Since -5, -3 and 1 are the zeroes of f(x),

(x + 5), (x + 3) and (x - 1) are factors of f(x).

=> f(x) = a(x + 5)(x + 3)(x - 1),

where a is a real constant.

We are given that when x = 0, f(x) = -45.

=> a(0 + 5)(0 + 3)(0 - 1) = -45

=> -15a = -45, a = 3.

Hence, f(x) = 3(x + 5)(x + 3)(x - 1)

= 3x³ + 21x² + 21x - 45.

Answer:

The function f(x) is a cubic function and the zeros of f(x) are -5, -3 and 1. The y-intercept of f(x) is -45.

(x+5), (x+3) and (x-1) are the factors of f(x).

Form : f(x)=a(x+5)(x+3)(x-1)

When f(x)=-45 and x=0, we get a=3

Equation of the cubic polynomial in standard form is :---

\(f(x) = 3(x + 5)(x + 3)(x - 1)\\ =3 ( {x}^{2} + 8x + 15)(x - 1) \\=3({x}^{3} + 8 {x}^{2} + 15x - {x}^{2} - 8x - 15) \\ =3({x}^{3} + 7{x}^{2} + 7x - 15)\\=\boxed{3{x}^{3}+21{x}^{2}+21x-45}\)

Answer:

i think 36

Step-by-step explanation:

1152 / 32= 36

The given expressions, when A=1, B=0, and C=1, X evaluates to 1.001; when A=B=C=1, X evaluates to 1.111; and when A=B=C=0, X evaluates to 0.000. These evaluations are based on the given values of A, B, and C, and the notation ¯¯¯¯¯¯BC represents the complement of BC.

To evaluate the expression X = A.¯¯¯¯¯¯BC, we substitute the given values of A, B, and C into the expression.

(a) For A = 1, B = 0, and C = 1:

X = 1.¯¯¯¯¯¯01

To find the complement of BC, we replace B = 0 and C = 1 with their complements:

X = 1.¯¯¯¯¯¯01 = 1.¯¯¯¯¯¯00 = 1.001

(b) For A = B = C = 1:

X = 1.¯¯¯¯¯¯11

Similarly, we find the complement of BC by replacing B = 1 and C = 1 with their complements:

X = 1.¯¯¯¯¯¯11 = 1.¯¯¯¯¯¯00 = 1.111

(c) For A = B = C = 0:

X = 0.¯¯¯¯¯¯00

Again, we find the complement of BC by replacing B = 0 and C = 0 with their complements:

X = 0.¯¯¯¯¯¯00 = 0.¯¯¯¯¯¯11 = 0.000

In conclusion, when A = 1, B = 0, and C = 1, X evaluates to 1.001. When A = B = C = 1, X evaluates to 1.111. And when A = B = C = 0, X evaluates to 0.000. The evaluation of X is based on substituting the given values into the expression A.¯¯¯¯¯¯BC and finding the complement of BC in each case.

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Answer:

500.

Step-by-step explanation:

The last digit must end with 0, 2, 4, 6, 8   for the Pin code to be even.

The middle 2 digits may be any numbers.

So if the last number is 0 Then there are 10*10 = 100 possible PIN codes.

So  as there are 5 possible last digits , the total  possible sets of digits

= 5 * 100

= 500.

Answer:

y = - \(\frac{5}{3}\)

Step-by-step explanation:

6x - 3y = - 7 → (1)

2x + 3y = - 9 → (2)

multiplying (2) by - 3 and adding to (1) will eliminate x

- 6x - 9y = 27 → (3)

add (1) and (3) term by term to eliminate x

0 - 12y = 20

- 12y = 20 ( divide both sides by - 12 )

y = \(\frac{20}{-12}\) = - \(\frac{5}{3}\)

Answer:

b i think

Step-by-step explanation:

Answer:

28181 × 2 = 56,362

You're welcome :)

Answer: more than 152.5 cookies

Step-by-step explanation:

$15.25/$0.10=152.5(multiple)

so if you sell 152.5 pieces of cookies, you'll neither gain nor lose.

if you want to make a profit, the number of cookies must higher than 152.5.

if x =the number of cookies you can make a profit. Then x>152.5

it can be 153, 154, 155.....................(pieces)

but it can't be 153.5, 167.2...................(pieces)(must be an integer)