List 4.6,2.8 repeating,square root,square root of 17 and the square root of 7 form least to greatest

Answer:

x = 25/9 or 2.777777778

Step-by-step explanation:

4(2-x) = 5x - 17

8 - 4x = 5x - 17

   +4x   +4x

8 = 9x - 17

+17      +17

25 = 9x

25/9 = x

x = 2.777777778 or 25/9

Answer:

Option D is correct

Step-by-step explanation:

The identity matrix is the matrix, in which, the diagonal elements are 1 and all of non-diagonal elements are 0.

Hope this helps!

Answer:

Third graph in the photo

Step-by-step explanation:

x^2+3x-4 can be factored as (x+4)(x-1). When y=0, x must be -4 or 1 to satisfy the equations, and thus the roots of the graph are at x=-4 and x=1. When x=0, y=(4)(-1)=-4. The only graph that satisfies both of these requirements is the third/last one.

Answer:

\(a \: and \: b = \frac{5}{ \sqrt{2} } \)

Step-by-step explanation:

\( \sin(45) = \frac{a}{5} \\ \frac{1}{ \sqrt{2} } = \frac{a}{5} \\ a = \frac{5}{ \sqrt{2} } \\ \\ \\ \\ \sin(45) = \frac{b}{5} \\ b = \frac{5}{ \sqrt{2} } \)

I hope I helped you^_^

Answer:

Neither

Step-by-step explanation:

Supplementary →A+B=180

Complementary → C+D=90

In this case, 50+120=170, not supplementary or complementary

Answer:

neither

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

I don't know how to do it I used an app

Answer:

Option A shows the image of RST after the rotation

Step-by-step explanation:

Coordinates of S=(1,3)

Coordinates of R = (-2,1)

Coordinates of T = (-1,7)

We are given that after rotation(x,y)→(y,-x)

So, The new coordinates after rotation will be :

Coordinates of S'=(3,-1)

Coordinates of R'= (1,2)

Coordinates of T'= (7,1)

These are the coordinates of triangle of Option A

So, Option A is true .

Hence Option A shows the image of RST after the rotation

A. shows the image of RST after the rotation.

In the geometry, an equilateral triangle is the triangle in which have all 3 sides have same length. an equilateral triangle is also equiangular; that is, all 3 internal angles are also congruent to each other and are each 60 degrees It is also a regular polygon, so it is also referred to as the regular triangle.

Which plane does the triangle RST belong to?

The XY-coordinate plane or triangle RST are equilateral. Points R or In the x y -coordinate plane, triangle R S T is equilateral. Points R and T had coordinates ( 0, 2) and ( 1, 0), respectively.

Coordinates of S=(1,3)

Coordinates of R = (-2,1)

Coordinates of T = (-1,7)

We are given that after rotation(x,y)→(y, -x)

So, The new coordinates after the rotation will be :

Coordinates of S'=(3,-1)

Coordinates of R'= (1,2)

Coordinates of T'= (7,1)

These are the coordinates of the triangle of Option A

So, Option A is true.

Hence Option A shows the image of RST after the rotation.

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500 minutes are equal to 8 hours and 20 minutes.

Time is a valuable commodity that we must use wisely. We measure it in seconds, minutes, hours, days, weeks, months, and years. It is important to be able to convert time units so that we can manage our schedule efficiently.

To convert minutes to hours, we need to divide the number of minutes by 60, which is the number of minutes in an hour. Therefore,

500 minutes ÷ 60 minutes/hour = 8.33 hours

However, this answer is in decimal form, which is not a typical way to represent time. We want to express it in hours and minutes.

To do so, we will use the fact that there are 60 minutes in an hour. Therefore, we can multiply the decimal part of the answer by 60 to get the remaining minutes.

0.33 hours x 60 minutes/hour = 20 minutes

So, 500 minutes is equivalent to 8 hours and 20 minutes.

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Please help im just a middle schoolor!!!!! The distance between City A and City B is 250 miles. A length of 1.7 feet represents this distance on a certain wall map. City C and City D are 3.74 feet apart on this map. What is the actual distance between City C and City​ D?

Answer:

Distance between City C and City D is 550 miles

Step-by-step explanation:

Given that:

City A and City B are 250 miles apart with a length of 1.7 feet;  &

City C and City D are x miles apart with a length of 3.74 feet.

To find the distance ( in x miles) between City C and City D, we use the ratio or proportionality concept.

i.e

250 miles = 1.70 ft

x miles =  3.74 ft

By cross multiplying, we get:

(250 * 3.74) = ( x * 1.70)

x = (250 * 3.74)/ 1.70

x = 550 miles.

Thus, the distance between City C and City D is 550 miles

Total of 1820 different kinds of banquets can be made.

Combinations are mathematical procedures that count how many different ways a collection of items could be arranged when the order in which they are chosen is immaterial. Combos' components can be chosen in any hierarchy.

\($C_{12}(16)=\left(\begin{array}{l}16 \\ 12\end{array}\right)=\frac{16 !}{12 !(16-12) !}=\frac{16 \cdot 15 \cdot 14\cdot13}{4\cdot3 \cdot 2 \cdot 1}=1820\)

\($n=5$ $k=12$\\$x=\left(\begin{array}{c}n+k-1 \\ k\end{array}\right)=\left(\begin{array}{c}5+12-1 \\ 12\end{array}\right)=1820$\)    

Total of 1820 different kinds of banquets can be made

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In a nonexperimental method, relationships between variables are studied by making observations or measures of the variables of interest.

Research without either the manipulation of an independent variable, the random assignment of individuals to conditions or orders of conditions, or both, is referred to as non-experimental research.

The non-experimental study is entirely dependent on variables that the researcher has no control over. By whatever means, they cannot manipulate, control, or change the subjects. Thus, all they can do is continue their research while monitoring and interpreting their subjects.

It is safe to assume that a non-experimental research design is used when there is no specific cause-effect study problem and the researcher simply wants to grasp a topic in depth without constraining it with variables. They examine the natural phenomena as they take place.

Therefore, in a nonexperimental method, relationships between variables are studied by observing or measuring the variables of interest.

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Answer:

Answer to (4+5): (0,0)

Answer to 6: 0

Step-by-step explanation:

(4+5 Explanation):

We can start to imagine the graph of \(y=|x|\) in our head.

If we have a positive value of x, then y will be equal to x.

If we have a negative value of x, then y will be the opposite of x (since the absolute value of a negative is a positive).

This means that the graph will look a bit like this, changing at the point (0,0).

\/, it would look like a downward facing arrow. This means the vertex is at (0,0).

6 Explanation:

If we know the value of \(w\), we can substitute it into the expression \(2w+w-15\) as 5.

\(2(5) + 5 - 15\\\\10 + 5 - 15\\\\15-15\\\\0\)

Hope this helped!

Answer:

6: 3w-15

Step-by-step explanation:

you can put all the W's together and just add the -15 at the end.

Answer:

$10,880

Step-by-step explanation:

15% = 15 ÷ 100 = 0.15

So 15% of 12800 = 0.15 x 12800 = 1920

Therefore, 12800 - 1920 = 10880

OR

12800 x (1 - 0.15) = 10880

Answer:

1/6

Step-by-step explanation:

There are 12 months in one year, only 2 of those months start with M, they are March and May. So the probability is 2/12, and 2/12 simplified is 1/6.

Answer:

\(y = \dfrac{1}{4} x - 4\)

Step-by-step explanation:

Slope intercept form of line equation is y = mx + b, m = slope, b = y-intercept

Slope of line perpendicular to y =m x + b will have slope   - (1/m)

4x+y=3 can be re-written as
y = -4x + 3

Slope = -4

Slope of line perpendicular to this line is - (1/-4)  = 1/4

Line equation: y = (1/4) x + b

Plug in x, y values from given point into this line equation to find b
-3 = 1/4 x 4 + b

-3 = 1 + b

-3 -1 = b

b = -4

So equation of perpendicular line is y = (1/4)x - 4

The statement "f(150) = 2000" means that when the price of an iPhone is $150, Apple sells 2000 iPhones. This indicates that there is a demand for iPhones at that price point, resulting in a certain quantity being sold.

The statement "f'(150) = -25" represents the derivative of the function f(p) with respect to p evaluated at p = 150. It indicates the rate of change of the quantity of iPhones sold with respect to the price when the price is $150. In this case, a derivative value of -25 implies that for every $1 increase in price, the quantity of iPhones sold decreases by 25 units.

Both statements provide insights into the relationship between the price and quantity of iPhones sold. The first statement demonstrates a specific quantity sold at a given price, while the second statement describes the sensitivity of the quantity sold to changes in price at a specific price point.

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The average cost per item over the interval (1,000,1,010] is (C(1010) - C(1000)) / (1010 - 1000) = (10,000 + 5(1010) - 10,000 - 5(1000)) / 10 = $5.50.

The average cost per item over the interval [999.5, 1000] is (C(1000) - C(999.5)) / (1000 - 999.5) = (10,000 + 5(1000) - 10,000 - 5(999.5)) / 0.5 = $5.00.

The given function C(x) represents the cost in dollars to manufacture x items. To find the average cost per item over a given interval, we use the formula: (C(b) - C(a)) / (b - a), where a and b are the endpoints of the interval.

For the interval (1,000,1,010], we substitute a = 1000 and b = 1010 into the formula to obtain (C(1010) - C(1000)) / (1010 - 1000). Simplifying the expression using the given function C(x) yields ($10,000 + $5(1010) - $10,000 - $5(1000)) / 10 = $5.50 per item.

For the interval [999.5, 1000], we substitute a = 999.5 and b = 1000 into the formula to obtain (C(1000) - C(999.5)) / (1000 - 999.5). Simplifying the expression using the given function C(x) yields ($10,000 + $5(1000) - $10,000 - $5(999.5)) / 0.5 = $5.00 per item.

To find C'(1000), we differentiate the function C(x) with respect to x, which gives C'(x) = 5. The value of C'(1000) is therefore 5, rounded to 1 decimal place.

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This is an example of interviewer bias where the gender of the interviewer may have impacted the replies of the unmarried males in the poll.

This is an example of interviewer bias, where the gender of the interviewer may have influenced the responses of the unmarried men in the survey. The results may not accurately reflect the true opinions of the participants as their answers could have been affected by their desire to impress or please the interviewer.

This situation is an example of response bias, specifically interviewer bias, which occurs when the respondent's answer is influenced by the gender or characteristics of the interviewer, rather than their true preferences or opinions.

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Answer:

d................. I'm not so sute

To calculate the income Alice will receive in her first year of retirement, we need to consider her pension fund, the state pension, and the annuity rates.

Given: Alice's salary: £55,000

Her contributions to the pension scheme: 8% of salary

Employer contributions and tax relief: 4% of salary

Retirement age: 66

State pension: £9,000 per year

First, let's calculate Alice's pension fund. She has been in the scheme from age 35 to 66, which is a total of 31 years. During this period, she has made contributions of 8% of her salary, topped up by 4% from the employer and tax relief. So, her annual contributions are (8% + 4%) of £55,000 = £5,500.

Her total pension fund would be £5,500 x 31 = £170,500.

Next, let's consider the annuity rates. Annuity rates determine the income that can be purchased with the pension fund. The rates vary based on factors such as age, gender, and prevailing market conditions.

Using the annuity rates, Alice can calculate the income she will receive from her pension fund. Let's assume the annuity rate is 5% per year. So, the income from her pension fund would be £170,500 x 5% = £8,525.

Finally, we add the state pension to calculate Alice's total income in her first year of retirement:

Total income = Pension fund income + State pension

Total income = £8,525 + £9,000 = £17,525.

Therefore, Alice will receive £17,525 as her income in the first year of retirement.

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Answer:

1071

Step-by-step explanation:

Okay so!

First, we figure out the perimeter of the rectangle: (150 +150 +150 + 150)

We get: 600

Then, we find the circumference of the half circles!

c = \(\pi \\\)r^2

c = (3.14)(150)

c = 471

We add the perimeter of the rectangle to the circumference of the circles:

600 + 471

And we get:

1071

Answer:

659.8 m

Find width of the rectangle:

area of rectangle = length * width

10,500 = 150 * width

width = 70 m

* The width is the diameter of the semi circle *

Find radius of semi circle:

r = d/2

r = 70/2

r = 35 m

Find perimeter of semi circle, only the upper segment:

πr

3.14(35)

109.9 m

Perimeter of the entire track:

150 + 150 + 109.9 + 109.9 + 70 + 70

659.8 m

Answer:

V = 1072.3 cm³

Step-by-step explanation:

Volume of a hemisphere = \(\frac{2}{3} \pi r^3\) [Because it's half of a sphere's volume]

V = \(\frac{2}{3} (3.14)(8)^3\)

V = \(\frac{2}{3} (3.14)(512)\)

V = \(\frac{3216.99}{3}\)

V = 1072.3 cm³

Answer:

\( = (4x + 8)(2x - 12) \\ = ( {8x}^{2} - 48x + 16x - 96) \\ = (8 {x}^{2} - 32x - 96) \\ = 8( {x}^{2} - 4x + 12)\)

Answer:

\begin{gathered} = (4x + 8)(2x - 12) \\ = ( {8x}^{2} - 48x + 16x - 96) \\ = (8 {x}^{2} - 32x - 96) \\ = 8( {x}^{2} - 4x + 12)\end{gathered}

=(4x+8)(2x−12)

=(8x

2

−48x+16x−96)

=(8x

2

−32x−96)

=8(x

2

−4x+12)

The MLE of σ² is a biased estimator of σ²

The maximum likelihood estimator (MLE) of σ² is a biased estimator, we need to demonstrate that its expected value is different from the true population variance, σ².

Let's start with the definition of the MLE of σ². In the context of simple linear regression, the MLE of σ² is given by:

MLE(σ²) = SSE/n

where SSE represents the sum of squared errors and n is the number of observations.

The expected value of the MLE, we need to take the average of all possible values of MLE(σ²) over different samples.

E(MLE(σ²)) = E(SSE/n)

Since the expectation operator is linear, we can rewrite this as:

E(MLE(σ²)) = 1/n × E(SSE)

Now, let's consider the expected value of the sum of squared errors, E(SSE). In simple linear regression, it can be shown that:

E(SSE) = (n - k)σ²

where k is the number of predictors (including the intercept) in the regression model.

Substituting this result back into the expression for E(MLE(σ^2)), we get:

E(MLE(σ²)) = 1/n × E(SSE)

= 1/n × (n - k)σ²

= (n - k)/n × σ²

Since (n - k) is less than n, we can see that E(MLE(σ²)) is biased and different from the true population variance, σ².

Therefore, we have shown that the MLE of σ² is a biased estimator of σ².

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The question is incomplete the complete question is :

Show that σ² = SSE/n, the maximum likelihood estimator of σ² is a biased estimator of σ²?

Answer:

F=6*24/8.....F=6*3=18

Answer:

It is equal to each other

Step-by-step explanation:

Answer:

14 or 0.14

Step-by-step explanation:

3 1/2 ÷ 1/4

1/4 = 25

3 1/2 ÷ 25 = 0.14 or 14

This is correct answer can you mark me brainliest