Daniel is interested in buying a new iPhone. The cost of the iPhone is $979. He also wants to protect it with an Otterbox Case. The cost of the case is $89.99. If Daniel signs up for a 2 year contract, he will receive 70% off the cost of the Otterbox Case. What is the final cost, after tax?

Answer:

1 is the answer have a good day

The correct statement are:

Based on the given information, we can make the following conclusions:

A. The interquartile range for high school students is smaller than college students.

The statement is False

B. The mean for high school students is smaller than college students.

The statement is False because the mean of College is 25.28 and mean for High school is 30.4.

C. The range for high school students is larger than college students.

The statement is True .

D. The college median is equal to the high school median.

The statement is True because the median for both is 24..

E. The mean absolute deviation is larger for college students than high school students.

The statement is False.

Learn more about plot here:

https://brainly.com/question/32275669

#SPJ1

There are a total of 10 slips.

8 slip with 3 on it

2 slips with 9  on it

value = Probability of 3 x 3 + Probability of 9 x 9.

=  (8 / 11)  x 3 + (2/ 11)  x 9

24 / 11 + 24 / 11 = 4.36

probability

The area of mathematics known as probability deals with numerical descriptions of how likely it is for an event to happen or for a claim to be true. A number between 0 and 1 is the probability of an event, where, broadly speaking, 0 denotes the event's impossibility and 1 denotes its certainty.

Learn more about probability here :-

https://brainly.com/question/30034780

#SPJ4

First scenario: The polynomial function that satisfies the given conditions is f(x) = (x - 3)(x^2 + 4). The real zeros are x = 3, and the complex zeros are x = 2i and x = -2i. The function value f(1) = -10 is also satisfied.

Second scenario: The specific polynomial function is not provided, but it will have real coefficients and the zeros x = -3, x = 8 + 4i, and x = 8 - 4i. The function value f(1) = 260 can be confirmed using a graphing utility.

To find an nth-degree polynomial function with real coefficients that satisfies the given conditions, we can use the fact that complex zeros occur in conjugate pairs.

In the first scenario, we are given that n = 3, and the zeros are 3 and 2i. Since complex zeros occur in conjugate pairs, we know that the third zero must be -2i. We are also given that f(1) = -10.

Using this information, we can construct the polynomial function. Since the zeros are 3, 2i, and -2i, the polynomial must have factors of (x - 3), (x - 2i), and (x + 2i). Multiplying these factors, we get:

f(x) = (x - 3)(x - 2i)(x + 2i)

Expanding and simplifying this expression, we find:

f(x) = (x - 3)(x^2 + 4)

To verify the real zeros and the given function value, we can graph this function using a graphing utility. The graph will show the x-intercepts at x = 3, x = 2i, and x = -2i. Additionally, substituting x = 1 into the function will yield f(1) = -10, as required.

In the second scenario, we are given that n = 3 and the zeros are -3 and 8 + 4i. Again, since complex zeros occur in conjugate pairs, we know that the third zero must be 8 - 4i. We are also given that f(1) = 260.

Using this information, we can construct the polynomial function. The factors will be (x + 3), (x - (8 + 4i)), and (x - (8 - 4i)). Multiplying these factors, we get:

f(x) = (x + 3)(x - (8 + 4i))(x - (8 - 4i))

Expanding and simplifying this expression may be more cumbersome due to the complex numbers involved, but the resulting polynomial will have real coefficients.

To verify the real zeros and the given function value, we can graph this function using a graphing utility. The graph will show the x-intercepts at x = -3, x = 8 + 4i, and x = 8 - 4i. Substituting x = 1 into the function should yield f(1) = 260, as required.

To know more about polynomial function, refer here:

https://brainly.com/question/11298461#

#SPJ11

Solving a linaer equation we can see that your cat weighs two more pounds.

Let's define the variables:

x = your cat's weight.

y = your friend cat's weight.

We can write the linear equation:

y = 0.833...*x

And we also know that.

y = 10 lb, replacing that we will get:

10lb =  0.833...*x

Solving that for x:

x = 10lb/  0.833...

x = 12 lb

Then you can see that your cat weighs 2 pounds more.

Learn moer about linear equations at:

https://brainly.com/question/1884491

#SPJ1

Answer:

debit

Step-by-step explanation:

Answer:Then since ∠BOD = 90°, we know that ∠BOC + ∠COD = 90°. In other words, ∠BOC and ∠COD are complementary. Thus, the answer is angle BOC

Step-by-step explanation:

Answer:

The person above is correct! The answer is C. <BOC

Step-by-step explanation:

Hope u have a great rest of your day/night! <3333

Answer:

a=3 x= all reals

Step-by-step explanation:

I actually did not get 6 for an answer

4x+a=4x+3

cancel equal terms on both sides of the equation

a=3  

which means the x would be all reals cause it is true.

Approximately 89.26% of utility companies have revenue between 41 million and 99 million dollars. We need to use the normal distribution formula and find the z-scores for the given values.

First, we need to find the z-score for the lower limit of the range (41 million dollars):  z = (41 - 70) / 18 = -1.61
Next, we need to find the z-score for the upper limit of the range (99 million dollars): z = (99 - 70) / 18 = 1.61
We can now use a standard normal distribution table or a calculator to find the area under the curve between these two z-scores. The area between -1.61 and 1.61 is approximately 0.9044. This means that approximately 90.44% of utility companies earned revenue between 41 million and 99 million dollars.


To find the percentage of utility companies with revenue between 41 million and 99 million dollars, we can use the z-score formula and the standard normal distribution table. The z-score formula is: (X - mean) / standard deviation. First, we'll calculate the z-scores for both 41 million and 99 million dollars: Z1 = (41 million - 70 million) / 18 million = -29 / 18 ≈ -1.61
Z2 = (99 million - 70 million) / 18 million = 29 / 18 ≈ 1.61
Now, we'll look up the z-scores in the standard normal distribution table to find the corresponding percentage values.
For Z1 = -1.61, the table value is approximately 0.0537, or 5.37%.
For Z2 = 1.61, the table value is approximately 0.9463, or 94.63%.
Percentage = 94.63% - 5.37% = 89.26%

To know more about distribution formula visit :-

https://brainly.com/question/15776502

#SPJ11

Answer:

1

Step-by-step explanation:

To find the median number of musical instruments played, we first need to arrange the data in ascending order:

0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 3

Next, we count the total number of responses, which is 15. Since 15 is an odd number, the median will be the average of the middle value.

The middle value is 1

Hence, the median number of musical instruments played is 1.

The detailed parametrisation for the lower half of the parabola x - 6 = y is:

x = t + 6

y = t

with the constraint t ≤ 0.

To parametrise the lower half of the parabola given by x - 6 = y, we need to express both the x-coordinate and y-coordinate in terms of a parameter t.

We start with the equation of the parabola: x - 6 = y.

To parametrise the curve, we can let t represent the y-coordinate. Then, the x-coordinate can be expressed as t + 6, as it is equal to y plus 6.

So, we have:

x = t + 6

y = t

This parametrization represents the lower half of the parabola, where the y-coordinate is equal to t and the x-coordinate is equal to t + 6.

However, to ensure that the parametrization covers the lower half of the parabola, we need to specify the range of t.

Since we are interested in the lower half of the parabola, the y-values should be less than or equal to 0. Therefore, we restrict the parameter t to be less than or equal to 0.

Hence, the detailed parametrisation for the lower half of the parabola x - 6 = y is:

x = t + 6

y = t

with the constraint t ≤ 0.

Learn more about parabola here, https://brainly.com/question/4061870

#SPJ11

The students who took the survey were concerned about social desirability.

Social desirability bias occurs when research participants provide responses they consider socially acceptable or desirable, rather than accurately representing their true beliefs, attitudes, or behaviors. . In this case, students may be reluctant to admit that they watch a lot of reality TV, believing that it may be viewed negatively by others, and may underestimate their actual reality TV viewing habits.

This leads us to underestimate the true percentage of students who watch more than four hours of reality TV per week.

It is important to note that social desirability bias can be a problem in any kind of survey or research study and can affect the validity and reliability of results. To minimize the effects of desirability bias, researchers can use a variety of techniques, including:  Anonymous surveys, double-blind study designs (where neither the researcher nor the participants know the true purpose of the study), or indirect measures of sensitive behaviors or attitudes

Read more about this on brainly.com/question/1548568

#SPJ4

Answer: y = (-1/2)x + 2

Concept:

When two lines are perpendicular to each other, their slopes are negative reciprocals.

The reciprocal of a number is 1 divided by the number.

In other words, it is the image opposite of a term.

Solve:

Given information

Given line = y = 2x - 5

Point = (-4, 4)

Find the slope of the line

Given the line is perpendicular to the line y = 2x - 5, the slope of the line would be negative reciprocal of the line y = 2x - 5.

Slope of line [y = 2x - 5] = 2

Slope of new line = (-1/2)

Find the y-intercept by substituting the given point

Equation of the new line: y = (-1/2)x + b

y = (-1/2)x + b

4 = (-1/2) (-4) + b

4 = 2 + b

4 - 2 = 2 + b - 2

b = 2

Finalize the equation of the line

Slope = -1/2

Y-intercept = 2

\(\boxed{y=-\frac{1}{2}x+2 }\)

Hope this helps!! :)

Please let me know if you have any questions

(a) The interval on which f is increasing: (0, ∞)

The interval on which f is decreasing: (0, 1)

(b) Local minimum: At x = 1, f(x) has a local minimum value of -1.

There is no local maximum value.

(c) Inflection point: At x ≈ 0.293, f(x) has an inflection point.

The function f(x) = x^2 - x - ln(x) is a quadratic function combined with a logarithmic function.

To find the interval on which f is increasing, we need to determine where the derivative of f(x) is positive. Taking the derivative of f(x), we get f'(x) = 2x - 1 - 1/x. Setting f'(x) > 0, we solve the inequality 2x - 1 - 1/x > 0. Simplifying it further, we obtain x > 1. Therefore, the interval on which f is increasing is (0, ∞).

To find the interval on which f is decreasing, we need to determine where the derivative of f(x) is negative. Solving the inequality 2x - 1 - 1/x < 0, we get 0 < x < 1. Thus, the interval on which f is decreasing is (0, 1).

The local minimum is found by locating the critical point where f'(x) changes from negative to positive. In this case, it occurs at x = 1. Evaluating f(1), we find that the local minimum value is -1.

There is no local maximum in this function since the derivative does not change from positive to negative.

The inflection point is the point where the concavity of the function changes. To find it, we need to determine where the second derivative of f(x) changes sign. Taking the second derivative, we get f''(x) = 2 + 1/x^2. Setting f''(x) = 0, we find x = 0. Taking the sign of f''(x) for values less than and greater than x = 0, we observe that the concavity changes at x ≈ 0.293. Therefore, this is the inflection point of the function.

Visit here to learn more about Inflection point:

brainly.com/question/30763521

#SPJ11

Answer:

the answer is 6

Step-by-step explanation:

i took the test, trust me

1. 26702÷41 = 651.71

The result of dividing 26702 by 41 is approximately 651.71. Division is a mathematical operation that involves splitting a number into equal parts or groups.

In this case, 26702 is divided by 41, resulting in 651.71. It is important to note that this answer is an approximation and has been rounded to two decimal places.

ii) 800369÷53 = 15095.87

The quotient of 800369 and 53 is approximately 15095.87. Division is a mathematical operation that involves finding how many times one number fits into another. In this case, 53 goes into 800369 approximately 15095.87 times.

Read more about Division

brainly.com/question/25289437

#SPJ1

Answer:

It really just deleted my answer..

Solve.

4p^2 - 50 = 350

O {-100, 100}

O {-400, 100}

O {-10, 100}

Step-by-step explanation:

You're welcome.

According to the Question, the probability that more than 39 customers will arrive at a randomly selected hour is approximately 0.209.

Assuming that clients come at a bank window at an average rate of 37 per hour, we must calculate the likelihood that more than 39 people will arrive during a randomly selected hour.

The arrival rate of customers is λ = 37.

As it is given that it follows the Poisson distribution, the probability is given by:

\(P(x > 39) = 1 - P(x\leq 39) = 1 - e^{-\ lamda}\sum_{n=0}^{39}(\ lamda^n)/(n!)\\\)

Here, λ = 37, and n varies from 0 to 39.

Substitute the values to get:

\(P(x > 39) = 1 - P(x\leq 39) = 1 - e^{-37}\sum_{n=0}^{39}(37^n)/(n!)]\\P(x > 39) = 1 - 0.791 = 0.209\)

Thus, the probability that more than 39 customers will arrive at a randomly selected hour is approximately 0.209.

Learn more about Probability:

https://brainly.com/question/30388228

#SPJ11

Answer:

2nd option

Step-by-step explanation: if the numbers keeps on repeating in the same pattern after a decimal point  then they're considered to be non terminating and repeating and rational

21/10 divided by 2 4/5 represents the time spent on a shift

The given parameters are

Time = 21/10

Shifts = 2 4/5

This means that:

21/10 divided by 2 4/5 represents:

Time/Shift

i.e. time per shift

Hence, 21/10 divided by 2 4/5 represents the time spent on a shift

Read more about rates at:

https://brainly.com/question/19493296

#SPJ4

Answer:

the lenght on each sift

Step-by-step explanation:

Answer:

Can I get image of it?

Step-by-step explanation:

Answer:

Image?

Step-by-step explanation:

Answer:

it is greater than 8

Step-by-step explanation:

Answer:

15000

Step-by-step explanation:

Answer:

15kg = 15,000 grams

Step-by-step explanation:

hope this helped if it did mark brainlest

and let me know

Answer:

0.6376785714275 is the average degrees celcius in the city.

Step-by-step explanation:

In order to find the average, I must add the numbers and divide them by 4.

2.34 + -2/7 + -0.45 + 3/8 = 2.55071428571

2.55071428571/4 = 0.6376785714275

I AM 100% SURE

Can I have Brainliest?

The question is incomplete. The complete question is :

Let \(p(t) = -0.0375t^2 + 0.225t\)  be the density function for the shelf life of a brand of banana which lasts up to 4 weeks. Time, t, is measured in weeks and \($0 \leq t \leq 4$\). Incorrect answer icon Your answer is incorrect. Find the mean shelf life of a banana using . Round your answer to one decimal place.

Answer:

2.4

Step-by-step explanation:

 Given :

\(p(t) = -0.0375t^2 + 0.225t\)

Mean :

\($=\int_0^4 tp (t) \ dt$\)

\($=\int_0^4 t (0.0375 t^2 + 0.225t) \ dt$\)

\($=-0.0375 \int_0^4 t^3 \ dt + 0.225 \int_0^4 t^2 \ dt$\)

\($=-0.0375 \left[ \frac{t^4}{4} \right]^4_0 + 0.225 \left[ \frac{t^3}{3} \right]^4_0$\)

\($=-0.0375 (64) + 0.225 \left( \frac{64}{3} \right)$\)

\($=-2.5 + 4.8$\)

= 2.4

Therefore, the mean is 2.4

-2\(\sqrt{6x^{8}y^{3}}\) * 4\(\sqrt{10xy^{8}}\)

You can move \(x^{8}\), \(y^{3}\) and \(y^{8}\) out of the square root to get

-2\(x^{4}\)\(y\)\(\sqrt{6y}\) * 4\(y^{4}\)\(\sqrt{10x}\)

Multiply them

-8\(x^{4}y^{5}\sqrt{60xy}\)

You can take 4 out of 60 to get 2

-16\(x^{4}y^{5}\sqrt{15xy}\)

Answer:

The probability of not getting an even number when spinning the spinner once is 33.33%.

Step-by-step explanation:

To calculate the probability of an event, we need to determine the number of favorable outcomes and divide it by the total number of possible outcomes. In this case, the spinner has the numbers 4, 5, 6, 7, 8, and 9. We want to find the probability of not getting an even number.

The favorable outcomes are the numbers 5 and 7 since they are odd. Therefore, there are 2 favorable outcomes.

The total number of possible outcomes is 6 since there are 6 numbers on the spinner.

So, the probability of not getting an even number is 2/6, which can be simplified to 1/3

To express this probability as a percentage, we multiply it by 100.

Probability = 1/3 * 100 = 33.33%

Therefore, the probability of not getting an even number is 33.33%.

Read more about probability,

https://brainly.com/question/30390037

https://brainly.com/question/23417919

The most simplified expression for \((5y)^2(16y^4)^{\frac{1}{2}\) is \(100y^4\)

The given expression is:

\((5y)^2(16y^4)^{\frac{1}{2}\)

Expand the expression using the laws of indices

\(5^2y^2 \times 16^{\frac{1}{2}}y^{\frac{4}{2}\\\\\)

\(25y^2 \times 4y^2\)

Multiply like terms

\((25 \times 4)y^{2+2}\)

The resulting expression is:

\(100y^4\)

Therefore, the most simplified expression for \((5y)^2(16y^4)^{\frac{1}{2}\) is \(100y^4\)

Learn more on indices here: https://brainly.com/question/10339517

The order of operations is a set of rules that dictate the sequence in which mathematical operations should be performed in a mathematical expression. An order of operations worksheet is a practice tool for students to test their understanding of the order of operations, and helps them develop their ability to solve mathematical expressions accurately and consistently.

Order of operations ensures that mathematical expressions are solved consistently and accurately. It typically consists of a series of mathematical expressions that the student must solve, following the order of operations. The order of operations is often remembered by the acronym "PEMDAS", which stands for Parentheses, Exponents, Multiplication and Division (from left to right), and Addition and Subtraction (from left to right). The main purpose of an order of operations worksheet is to help students develop their understanding of the order of operations, so they can solve mathematical expressions accurately and consistently.

It's important to note that the order of operations is a fundamental concept in mathematics and is used in many other areas of mathematics, including algebra and calculus. Therefore, it's crucial that students master the order of operations early on in their mathematical studies. An order of operations worksheet can be a valuable tool for helping students do just that.

For more such questions on Order of Operations.

https://brainly.com/question/13079176#

#SPJ11

The snellen letter chart is commonly used to test for visual acuity or clarity of vision.

The Snellen letter chart, named after the Dutch ophthalmologist Herman Snellen, is a widely used tool to assess visual acuity or clarity of vision. It consists of rows of letters or optotypes that decrease in size from top to bottom. The chart is typically displayed at a standardized distance of 20 feet (or 6 meters) from the person being tested.

When an individual reads the Snellen chart, the process involves the following steps:

1. Light enters the eye through the cornea, the transparent front surface of the eye.

2. The cornea focuses the incoming light onto the lens, which further refines the light rays.

3. The lens adjusts its shape to ensure that the light is accurately focused onto the retina, the light-sensitive layer at the back of the eye.

4. The retina contains specialized cells called photoreceptors, which convert light into electrical signals.

5. Among the photoreceptor cells, cones are primarily responsible for color vision and visual acuity. When a person focuses on a specific optotype (such as the letter "E" on the Snellen chart), the light reflecting from that optotype enters the eye and forms an image on the retina.

6. The cones in the retina, specifically in the central area called the macula, respond to the light stimulus and generate electrical signals.

7. These electrical signals are then transmitted via the optic nerve to the visual cortex in the brain for further processing and interpretation.

8. The brain processes the received signals and translates them into the perception of the letter "E" or any other optotype being viewed.

The clarity of vision is assessed by determining the smallest line of letters that can be accurately identified. The Snellen chart assigns a visual acuity measurement based on the ratio of the distance at which the chart is viewed and the distance at which a person with normal vision can read the line accurately. For example, if a person can read the 20/20 line from a distance of 20 feet, it indicates that they have normal visual acuity.

The Snellen chart is an essential tool in optometry and ophthalmology for diagnosing and monitoring vision problems such as nearsightedness (myopia), farsightedness (hyperopia), astigmatism, and other visual impairments. It helps determine the level of visual acuity and guides the prescription of corrective lenses or other treatments to improve vision.

To know more about snellen letter chart, refer here:

https://brainly.com/question/32337471

#SPJ4