Write an explicit formula for a_na n ​ , the n^{\text{th}}n th term of the sequence 34, 26, 18, ...34,26,18

Answer:

so the answer is 0.2

1/5 = 0.2

True. The causal theory of perception is the view that our experiences, such as our sensations and ideas, are caused by physical objects acting on our sense organs.

According to this causal theory of perception, when an object in the external world acts on our sense organs, it causes certain neural processes to occur, which in turn give rise to our conscious experiences. The causal theory of perception holds that there is a causal relationship between physical objects in the external world and our conscious experiences. When an object interacts with our sense organs, it causes certain neural processes to occur in our brain, which ultimately give rise to our conscious experiences of the object. So, the physical object is the cause, and our conscious experience is the effect.

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Answer:

(a) The travel times of the Los Angeles workers have a higher variability than those of the New York City area and about 54 out the 70 Los Angeles workers take longer (over 20minutes) than the maximum travelling time for the New York City workers (18 minutes) when they travel to work

(B) (i) The percentage of workers that travel close to the maximum travel times given in the data of the two cities

(ii) Almost half of the New York City area workers spend between 40 and 100 minutes to work, while almost half (32) of the Los Angeles workers spend between 0 and 20 minutes to work every day

Step-by-step explanation:

The travel times for the 70 Los Angeles workers are;

Number of workers                    \({}\)         Travel time

32                    \({}\)                                      0 - 20 minutes

22                    \({}\)                                      20 - 40 minutes

10                   \({}\)                                        40 - 60 minutes

4                   \({}\)                                          60 - 80 minutes

2                   \({}\)                                          80 - 100 minutes

The travel times for the 61 New York City area workers are;

18                   \({}\)                                          0 - 20 minutes

14                   \({}\)                                          20 - 40 minutes

10                   \({}\)                                          40 - 60 minutes

12                   \({}\)                                          60 - 80 minutes

7                    \({}\)                                           80 - 100 minutes

Workers in Los Angeles averagely take short time to reach to workplace than in New  York.

Descriptive statistics like mode, IQR, skewness etc do care about how the data is more leaning on one side than other. That is why these types of measures are helpful here.

Given data includes:

For Los Angeles: 32, 22, 10, 4, 2 (skewed left)

For New York: (18, 14, 10, 12 ,7) (very slightly skewed left)

Part a.

Comparing the distributions of travel times for both of the regions:

Histogram of Los Angeles is more skewed to the left. (values like 32, 20 lies on the left, and 5, 2 on the right tail)

Histogram of New York, in comparison to the histogram of Los Angeles is not that skewed and lies approximately leveled but is slight skewed to left.

This hows that time taken by worker to travel in Los Angeles is averagely very  short and count of workers taking longer time falls dramatically.

On the other hand, that above thing doesn't happen for workers in New York.

Part b.

Central measure "Mode" can be used here. The reason of choosing mode is that it focuses on frequency and gives weights to outliers too. Mean, on the other hand takes average of all values thus might forget the data of skewness.

The 3rd moment of measure of skewness can be used to measure the degree of skewness in both the data.

Inter Quartile Range is also useful since it will tell quartile to quartile measures which can help not loose the data of skewness.

So, the important thing that should be included in the measure we use to  describe this data is to include the information of skewness of the graph.

Descriptive statistics like mean, standard deviation etc forget about skewness.

Descriptive statistics like mode, IQR, skewness etc do care about how the data is more leaning on one side than other. That is why these types of measures are helpful here.

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Answer: y=-(1)/(3)x-3

Please mark brainiest

Answer:

where in the heck is the x tho

where is x in the equation I am hella confused and I don't understand how to help

Answer: \(x=5\)

Step-by-step explanation:

Because the \(x\) coordinate of both of the points is 5, the equation is \(x=5\).

Answer:

Step-by-step explanation:

\(\frac{20h}{2}\) = 221

20h = 221 × 2

20h = 442

h = 442 ÷ 20

h = 22.1 m

The length of diagonal BD from the parallelogram ABCD is 10.

E is the intersection of the diagonals BD and AC. The point of bisection is therefore designated E.

BE = DE (The diagonals of a parallelogram bisect each other) (The diagonals of a parallelogram bisect each other)

From the provided diagram:

BE = 5

DE = BE = 5

BD length equals BE plus DE

BD length equals (5 + 5) to 10.

ABCD is a parallelogram, what is the length of BD

Consequently, Diagonal BD is 10 in length.

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Answer: x= -18

Step-by-step explanation:

Your equation would be (x/9)+6=4

Subtract 6 by both sides.

Multiply 9 by both sides.

Then you should get -18.

Answer:

Correct answer 1

Step-by-step explanation:

The exact value of the trigonometric expression 1 - tan 80 degrees tan 70 degrees / (tan 80 degrees + tan 70 degrees) is -√3 cos 80 degrees/cos 70 degrees.

Step-by-Step Explanation:

Start with the given expression: 1 - tan 80 degrees tan 70 degrees / (tan 80 degrees + tan 70 degrees).

Simplify the expression within the parentheses using the identity 1 - tan A tan B = cos A / cos B: 1 - tan 80 degrees tan 70 degrees = cos 80 degrees/cos 70 degrees.

Substitute this simplification into the original expression: (cos 80 degrees/cos 70 degrees) / (tan 80 degrees + tan 70 degrees).

Use the tangent addition formula tan(A+B) = (tan A + tan B) / (1 - tan A tan B) to simplify the denominator: tan(80+70) = tan 150 degrees = -1/√3. Therefore, the denominator becomes (-1/√3) + tan 80 degrees.

Simplify the expression by dividing both the numerator and denominator by cos 70 degrees: [cos 80 degrees/cos 70 degrees] / [-1/√3 + tan 80 degrees/cos 70 degrees].

Combine the fraction in the denominator using a common denominator of √3 cos 70 degrees: [-1/√3 + tan 80 degrees/cos 70 degrees] / [√3 cos 70 degrees/cos 70 degrees].

Simplify the denominator and multiply the numerator by the reciprocal of the denominator: -√3 cos 80 degrees/cos 70 degrees, which is the exact value of the expression.

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Answer: I think true

Step-by-step explanation: guess

Given:

p = 16%

and, n = 400

We will find the margin of sampling error

The formula to find the margin of sampling error will be:

substitute with (p) and (n):

Rounding to the nearest whole percent

So, the answer will be 4%

Every rectangle with four congruent sides is a square -> True

Every rhombus is a quadrilateral -> True

Every square is a parallelogram -> True

Every quadrilateral is a square -> False.

A square is a regular quadrilateral, which means that it has four equal sides and four equal angles. It can also be defined as a rectangle with two equal-length adjacent sides.

here, we have,

we know that,

Every rectangle with four congruent sides is a square -> True

Every rhombus is a quadrilateral -> True

Every square is a parallelogram -> True

Every quadrilateral is a square -> False.

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The radius of convergence is 1, and the interval of convergence is (2, 4].

to find the radius and interval of convergence of the series ∑ n=1 [∞] n(x−3)ⁿ we use the ratio test.

We need to determine the values of x for which the series converges.

Let's start by applying the ratio test:

lim (n→∞) |(n+1)(x−3)*(n+1) / n(x−3)ⁿ|

Simplifying the expression, we have:

lim (n→∞) |(n+1)(x−3)ⁿ|

By taking the limit as n approaches infinity, we find that:

lim (n→∞) |(x−3) / ⁿ1|

This expression simplifies to |x−3|. For the series to converge, the absolute value of this expression must be less than 1:

|x−3| < 1

Now, we assess the behavior at the endpoints x=2 and x=4. Substituting these values into the inequality, we have:

|2−3| < 1
|−1| < 1

|-1| < 1, which is true.

|4−3| < 1
|1| < 1, which is false.

Hence, the series converges for x∈(2, 4].

To determine the radius of convergence, we consider the distance between the center of the series (x=3) and the nearest endpoint (x=2). The radius of convergence is the absolute value of this difference:

|r| = |3−2| = 1

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Work Shown:

\(\sqrt{200} \times \sqrt{2}\\\\\sqrt{200 \times 2}\\\\\sqrt{400}\\\\\sqrt{20^2}\\\\20\\\\\text{Therefore, }\sqrt{200} \times \sqrt{2}=20\\\\\)

The rules I used were:

\(\sqrt{A}*\sqrt{B} = \sqrt{AB}\\\\\sqrt{A^2} = A \ \ \text{ where } A \ge 0\\\\\)

Answer:

C

Step-by-step explanation:

\((4x^2+1)+(4x^2+x+2)= \\\\(4x^2+4x^2)+x+(1+2)= \\\\8x^2+x+3\)

Hope this helps!

Answer:

Statistics is the science concerned with developing and studying methods for collecting, analyzing, interpreting and presenting empirical data. ... Any measurement or data collection effort is subject to a number of sources of variation.

Step-by-step explanation:

soo yeah

Similar figures are the same shape but not the same size. you can find out the scale by using parallel lines.

Answer:

*You could just look it up.

Here's what I found on google:

Two figures are said to be similar if they are the same shape. In more mathematical language, two figures are similar if their corresponding angles are congruent, and the ratios of the lengths of their corresponding sides are equal. This common ratio is called the scale factor.

So basically, similar figures are 2 figures that are the same shape.

They don't have to be the same size.

x= 0 y=8

or

x=1 y=9

given the equation of the line

Step 1

a) isolate y to obtain the slope intercept form

so

b) now, we can input values to obtain ordered pairs

hence

i) for x= 0 ( you can choose any value)

replace

to prove it, let's replace in the original equation :

ii) for x= 1

replace

to prove it, let's replace in the original equation :

so we have 2 solutions, the ordered pairs are

x= 0 y=8

or

x=1 y=9

I hope this helps you

Based on the hypothesis test using a significance level (α) of 0.05 and a p-value of 0.20, we fail to reject the null hypothesis, which suggests that we should not build a brick-and-mortar store.

In hypothesis testing, we compare the p-value to the significance level (α) to make a decision about the null hypothesis (H0). The null hypothesis states that there is no significant effect or relationship, while the alternative hypothesis (Ha) suggests otherwise.

In this case, the null hypothesis (H0) states that we should not build a brick-and-mortar store, and the alternative hypothesis (Ha) suggests that we should build one. When the p-value is higher than the significance level (α), it means that we do not have enough evidence to reject the null hypothesis.

Given that the p-value is 0.20 and the significance level (α) is 0.05, the p-value is greater than α. Therefore, we fail to reject the null hypothesis, indicating that there is not enough evidence to support building a brick-and-mortar store. This means that based on the statistical analysis, it would be recommended not to proceed with constructing a physical store.

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Answer:

Below.

Step-by-step explanation:

2(x + 2) = 2x + 4

2x + 4 = 2x + 4

Both sides are identical so we can replace x with any value we like and the equation will balance, so there are infinitely many solutions.

Answer:

2(x+2)=2x+4

I'm not very sure but I hope this is right. I took geometry last year so my memory on it is funky :/

Answer:

39.63

Step-by-step explanation:

If the number after the place you are rounding to is 4 or lower, then you round down. If it is 5 or higher round up.

Answer:

the answer is: 39.63 and that is the answer

Answer:

The first... .........

Answer:

x = –1

Step-by-step explanation:

From the question given above, the following data were obtained:

y = √(–2x + 7)

y = 3

x =?

The value of x can be obtained as follow:

y = √(–2x + 7)

3 = √(–2x + 7)

Take the square of both side

3² = –2x + 7

9 = –2x + 7

Collect like terms

9 – 7 = –2x

2 = –2x

Divide both side by –2

x = 2 / –2

x = –1

Answer:

Step-by-step explanation:

Even though the options to choose from are not given in this question we can try and lay our hand on the most likely equation for the number of minutes Jack reads his book.

firstly on a daily Jack reads a total of = 8+10 = 18 mins

He attends school from Mon- fri = 5 days

Now on a weekly basis jack reads = 5*18

in other words, the equation is simply the number of days times the time spent to read his book per day

hence this is  = 90 min or 1hr 30 mins

Answer: 415 in

Step-by-step explanation:

Volume of a cone: 1/3 height multiplied by radius

radius = 6

height = 11

V=π r(squared) h/3 π · 6(squared) · 11/3 ≈ 414.69023

414.69023 = (rounded) 415in

Answer:

M(B(h))=78.18025h

Step-by-step explanation:

First we have the following equations:

L(h) = 28.75h         eq. 1

B(L) = 1.78L            eq. 2

M(B) = 1.43B           eq. 3

To find the selling price based on the estimated number of hours, we need to start replacing equation 1 in equation 2 as:

B(L) = 1.78*B  

B(L(h)) = 1.78*(28.75h)

B(L(h)) = B(h) = 51.175h       eq. 4

Finally, if we weplace equation 4 in equation 3, we get:

M(B) = 1.43B

M(B(h)) = 1.43*(51.175h)

M(B(h)) = 73.18025h

So, the composite function that can be used to find the selling price for the labor portion of a bid based on the estimated number of hours is:

M(B(h)) = 73.18025h

Answer:

0

Step-by-step explanation:|-2 - (-1)| =

|-2 + 1| =

| -1 | =

1.

So, we're one unit away from y = -1.  If we're one unit ABOVE y=-1, we need to move the point to be one unit BELOW it instead.  And if we're one unit BELOW y = -1, we need to move the point to be one unit ABOVE it.  

Since the point has a y-coordinate of -2, its BELOW the line y = -1, by 1 unit.  Now we change the y-coordinate so its instead ABOVE y = -1, by 1 unit:

(y-coordinate of reflection line) + (number of units above that line) =

-1 + 1 =

0.

Our new y-coordinate is 0, so the point is now at

(7, 0).

A more mechanical, but less intuitive approach is as follows:  

Let L = the y-coordinate of the line, and

P = the y-coordinate of the point.

The new y-coordinate is 2L - P.

In this case, L = -1, and P = -2.  So we have

2L - P =

2(-1) - (-2) =

-2 -(-2) =

0.

The image of the given coordinate point after rotation is (7, -2).

Rotations are transformations that turn a shape around a fixed point. To rotate a shape we need: a center of rotation. an angle of rotation (given in degrees) a direction of rotation – either clockwise or anti-clockwise.

The given coordinate point is (2, 7).

When rotating a point 270 degrees counterclockwise about the origin our point A(x, y) becomes A'(y,-x). This means, we switch x and y and make x negative.

So, the image point of (2,7) is (7, -2)

Therefore, the image of the given coordinate point is (7, -2).

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