| n | = 3.5 what value for n will make this expression true

This is the I Ready diagnostics.please help me this is due very very soon! Thanks!!

Answer:

43/40

Step-by-step explanation:

Answer:

17 because you have to sutract them

Step-by-step explanation:

To find the Taylor polynomial t3(x) for the function f(x) = e^(-3x) sin(2x), centered at a = 0, it is recommended to use a graphing calculator.

The Taylor polynomial t3(x) for a function f(x) centered at a can be found using the Taylor series expansion, which involves evaluating the function and its derivatives at the point a. In this case, we need to calculate the derivatives of the function f(x) = e^(-3x) sin(2x) up to the third derivative at x = 0. These derivatives can be quite complex, making manual calculations challenging. Therefore, it is highly recommended to use a graphing calculator that supports symbolic calculations to compute the derivatives and construct the Taylor polynomial t3(x). Once you have obtained t3(x), you can graph both f(x) and t3(x) on the same screen to visualize their relationship.

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The 99% confidence interval for the population mean is approximately (1097.692, 1562.308). To find the 99% confidence interval for the population mean, we will use the provided z-values and the following formula:

Confidence Interval = Sample Mean ± (Z-value * (Standard Deviation / √Sample Size))

In this case, the sample mean is 1330 words, the standard deviation is 442 words, and the sample size is 24 essays. For a 99% confidence interval, we will use the z-value 2.576 (since it corresponds to z0.005 in the given table).

Now we can plug the values into the formula:

Confidence Interval = 1330 ± (2.576 * (442 / √24))

First, calculate the standard deviation divided by the square root of the sample size:

Standard Error = 442 / √24 ≈ 90.201

Next, multiply the z-value by the Standard Error:

Margin of Error = 2.576 * 90.201 ≈ 232.308

Finally, add and subtract the Margin of Error from the sample mean:

Lower Bound = 1330 - 232.308 ≈ 1097.692
Upper Bound = 1330 + 232.308 ≈ 1562.308

The 99% confidence interval for the population mean is approximately (1097.692, 1562.308).

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Karina use fabric for each bag is 2.5 yards.

The unitary method is a process of finding the value of a single unit, and based on this value; we can find the value of the required number of units.

Given that,

Karina has 10 yards of fabric, she makes 4 equally sized bags

fabric does she use for each = \(\frac{10}{4}\)

                                               = 2.5 yards

It means, Karina use fabric for each bag is 2.5 yards.

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The rational numbers arranged on a number line will graduate from the highest to the lowest (left to right) as follows:

A rational number is defined in mathematics as the quotient or fraction p/q of two integers, a numerator p, and a non-zero denominator q. For example, −4/7 is a rational number, as is every integer.

Note that a number line is defined as a horizontal line with evenly spaced numerical increments.

To get the order in which the numbers must be arranged, the trick is to convert the number for which you have doubt into their decimal forms or d integer forms.

A) √16 = 4

B) 2/3 = 0.6

C) |-3| = 3 {Reason: Absolute Value of any number must be its positive equivalent]

D) 2.47 x 10^{-2} = 0.0247

E) -1/4 = -0.25

Hence rearranged in descending order (from highest to lowest) we have:

On the number line, the first nubmer from the left will be √16, followed by |-3|, and so on.

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The value 4.8 is 5.63 standard deviations below the mean. This means that the data point is significantly lower than the average data point in the dataset and it is an outlier.

Given: Data value = 4.8,

Mean (μ) = 19,

Standard Deviation (σ) = 2.7

To find: Z-score for the data value and interpret the value obtained.

Z-score (also called the standard score) represents the number of standard deviations by which a data point is above the mean. It can be calculated using the formula: `

z = (x - μ) / σ`, where x is the data value, μ is the mean and σ is the standard deviation. Using the given values, we get:

z = (4.8 - 19) / 2.7

= -5.63 (rounded to two decimal places)

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Answer:

(5+3 = 8)

Step-by-step explanation:

The value of k is found by dividing the numerator of the original ratio, 5, by the sum of the numerator and denominator of the ratio (5+3 = 8).

The time Akeem runs on days must be 9.3 minutes or less than 9.3 minutes if the mean running time for 7 days must be 9 minutes or less.

It is defined as the single number that represents the mean value for the given set of data or the closed value for each entry given in the set of data.

We have:

Akeem will record the time it takes him to run 1 mile each day for 7 days. In order to meet his fitness challenge, his mean running time for 7 days must be 9 minutes or less.

Here we are assuming that it is required to find the time Akeem runs on the 7th day.

Let's suppose Akeem runs x minutes on the 7th day.

Mean running time ≤ 9

The mean:

\(\dfrac{(9.4+9.0+9.1+8.9+8.5+8.8+x)}{7} \leq 9\)

\(\dfrac{(53.7+x)}{7} \leq 9\)

53.7 + x ≤ 63

x ≤ 9.3 minutes

Thus, the time Akeem runs on days must be 9.3 minutes or less than 9.3 minutes if the mean running time for 7 days must be 9 minutes or less.

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Answer:

82°

Step-by-step explanation:

i. 8x +26 = angle 5 (corresponding angles)

ii. angle 5 = -9x + 179 ( vertically opposite angles)

so,

8x+26= -9x +179 (from i and ii)

or, 17x= 153

therefore, x= 9

now,

angle3 + 8x +26= 180° (linear pair)

angle 3 = 180°- 72-26

hence, angle 3= 82°

Answer:

<3=134.75

Step-by-step explanation:

8x+26=<4

Since angles 3 and 4 are supplementary, write an equation.

(8x+26)+<3=180

Subtract 26 from both sides

8x+<3=154

divide 8 to isolate the variable

x=19.25

`19.25+<3=154

<3=134.75 degrees

Sorry if this is wrong.

Answer:

For X and then determine Y. So when X is equal to negative 2. Notice that Y is going to be equal to negative 2 times negative 2 plus 5. Well negative 2 times negative 2 is 4 4 plus 5 equals 9.

Answer:

x^2+4x-4

Step-by-step explanation:

4x+1+x^2-5

x^2+4x-4

Answer:

A. x² + 4x - 4

Step-by-step explanation:

When the question asks for (f + g)(x), it simply means to add function f(x) and function g(x):

4x + 1 + x² - 5

4x + x² - 4

x² + 4x - 4

Answer:

Lani saved during 12 months

Answer:

The correct choice is option A. $31.95

Step-by-step explanation:

The total cost would be the basic fee + the price of the boxes.

So, the initial fee is $12, Joyce needs 5 boxes, and $3.99 is charged per box.

$12 + 5 × $3.99 = 31.95

Answer:

The correct answer angle is B) 75.

Answer:

B)

Step-by-step explanation:

It's b but I can't explain it in English I am sorry

Answer:h=14.2 +13 and the second one is 70

Step-by-step explanation:

Given:

Radius of circle is 13 cm

Height of triangle is 5 cm

To find:

Value of 'a' and 'b'

Steps:

To find value of 'a', we will use Pythagoras theorem as the triangle is a right angle triangle,

A² + B² = C²

\(a^{2} + 5^{2} = 13^{2}\)

\(a^{2} + 25 = 169\)

\(a^{2} = 169 - 25\)

\(a^{2} = 144\)

\(\sqrt{a^{2}}=\sqrt{144}\)

\(a = 12\)

Now to find the value of 'b', i will use law of cosine,

\(c=\sqrt{a^{2}+b^{2}-2ab(cos\beta ) }\)

\(12 = \sqrt{13^{2}+5^{2}-2(5)(13)(cos\beta )}\\12=\sqrt{169 + 25-130(cos\beta )}\\12=\sqrt{194-130(cos\beta )}\\144 = 194 - 130(cos\beta )\\50 = 130(cos\beta )\\cos\beta = 0.3846\\\beta = cos^{-1}(0.3846)\\\beta = 67.38\)

Therefore, the values of 'a' and 'b' is 12 and 67.38 respectively

Happy to help :)

If u need any help feel free to ask

Answer: 8

Step-by-step explanation:

Using SOHCAHTOA, we need TOA as we have the opposite (1) and the adjacent (7)

θ = \(tan^{-1}(\frac{1}{7} )\) = 8.13 = 8

Answer:

-44

Step-by-step explanation:

Using distribute property of multiplication

=> \(7\sqrt{5} + (\sqrt{5} )^2-49-7\sqrt{5}\)

(\(7\sqrt{5}\) will be cancelled with each other)

=> 5 - 49

=> -44

Answer:

one

Step-by-step explanation:

The probability that this person has an IQ greater than 95 =62.93%

The area of mathematics known as probability is concerned with the outcomes of random events. Probability refers to a chance or potential for something to happen. It explains the likelihood that a specific event will take place.

We frequently say things like, "It will probably rain today," "He will probably pass the test, "There is very little chance of getting a storm tonight," and "Most likely the price of onions will increase once more." We substitute the word probability for all of the words chance, doubt, maybe, likely, etc. in these sentences.

In essence, probability is the ability to forecast an outcome based on the variety and quantity of potential outcomes or the analysis of historical data.

Let X be the IQ

IQ is normally distributed with a mean of 100 and a standard deviation of 15.

a) the probability that this person has an IQ greater than 95

=62.93%

b) the probability that this person has an IQ less than 125

=4.75%

c) Sample size =500

No of people = 0.2486(500) =124.3

d)

No of persons = 0.0047(500) = 2.35

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It is impossible to use a disjunction introduction to derive any other type of formula besides disjunctive formulas.

A rule of inference in propositional logic and virtually every other deduction system is referred to as disjunction introduction.

It is right to state that it is not possible to use a disjunction introduction to derive any other type of formula besides disjunctive formulas.

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There are 2520 ways to seat 8 people around a circular table where two seatings are considered the same when everyone has the same two neighbors without regard to whether they are right or left neighbors.

There are a total of seven different ways for eight individuals to sit around a circular table: (8-1)!=7!. We are using the concept of circular permutation.

By using circular permutation we have,

7!=5040

All of the seating is included in these 5040 ways. Given that everyone has the same two neighbors, regardless of whether they are left or right neighbors, two seating are said to be equal. To achieve the desired outcomes, we must divide the total number of methods by 2.

5040/2

=2520 ways

Therefore, there are 2520 ways to seat 8 people around circular table where two seating are considered the same.

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Electrical energy consumption is measured at kilowatt-hour (KWh). Thus the cost of energy consumed for the month is $28.512

What does kilowatt-hour mean?

The rate of consumption of energy is measured in kilowatt-hour.

In the given question

11 cent is paid per kilowatt-hour.

60 watts of light for 1 hour = 0.06 KWh

3 light bulbs of 60 Watts each for 1 hour = 3 x  0.06

                                          = 0.18 KWh

But,

30 days = 30 x 24 hours

                       = 1440 hours

The total energy consumed for the month = 1440 x 0.18

                                     =  259.20 KWH

The total cost for the month = 0.11 x 259.20

                                              = $28.512

Thus, the total cost for the month is $28.512

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We have the following:

Answer:

x=10

Step-by-step explanation:

Answer:

x = 10

Step-by-step explanation:

use the distributive property

−104 = 4x − 4(2x + 16)

-104 = 4x - 8x - 64

-104 = -4x - 64

+64           +64

-40 = -4x

divide by -4

x = 10