How many clubs have at least 30 members?

Answer:

78 squared feet

Step-by-step explanation:

area= base x height

so 6 x 13 = 78

and yeah

HOPE I HELPED:))

your answer is 91 square feet

The standard error of the mean is $109.38.

The standard error of the mean is a measure of the variability of sample means around the true population mean. It represents the average deviation of sample means from the population mean. The formula to calculate the standard error of the mean is: standard error = population standard deviation / square root of sample size.

In this case, the population standard deviation is given as $1,750.00, and the sample size is 256 middle managers. Plugging these values into the formula, we get:

Standard error = $1,750.00 / √256 = $1,750.00 / 16 = $109.38.

Therefore, the standard error of the mean is $109.38. This means that, on average, the sample mean of annual incomes of middle managers in the population is expected to deviate by $109.38 from the true population mean.

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Answer:

Step-by-step explanation:

Step one:

given data

the cost of the laptop= $800

initial payment= $200

monthly payment = $60

let the number of months be x

the expression for the situation is the function for the equation of line

y=mx+c

Step two:

the expression for the situation is

800=200+60x

solve for x

800-200=60x

400=60x

divide both sides by 60

x=400/60

x=6.7

Approximately 7 months

Putting the considered items in order from most expensive to least expensive item gives the order as shown by: Option b. Blender, ink, hat, heater

Markup is the amount that will be increased in the original price of the considered thing.

Markdown is the amount that will be decreased from the original price of the considered thing.

Think of "up" and "down" as increasing and decreasing prices respectively.

Suppose the value of which a thing is expressed in percentage is "a'

Suppose the percent that considered thing is of "a" is b%

Then since percent shows per 100 (since cent means 100), thus we will first divide the whole part in 100 parts and then we multiply it with b so that we collect b items per 100 items(that is exactly what b per cent means).

Thus, that thing in number is

\(\dfrac{a}{100} \times b\)

For this case, the base prices and the chage in price is given as:

Item                Base Price                    Change Direction

Blender            $29.73                           9% Markdown

Hat                   $14.16                             77% Markup

Ink                    $20.17                            27% Markup

Heater             $28.46                           22% Markdown

Calculating the resultant price:

Resultant price = 29.73 - 9% of 29.73

\(P= 29.73 - \dfrac{29.73}{100}\times 9\\\\P = 27.0543 \: \: \text{dollars}\)

Resultant price = 14.16 + 77% of 14.16

\(P= 14.16+\dfrac{14.16}{100}\times 77\\\\P = 25.0632\: \: \text{dollars}\)

Resultant price = 20.17 + 27% of 20.17

\(P= 20.17+\dfrac{20.17}{100}\times 27\\\\P = 25.6159\: \: \text{dollars}\)

Resultant price = 28.46 - 22% of 28.46

\(P= 28.46- \dfrac{28.46}{100}\times 22\\\\P = 25.0448 \: \: \text{dollars}\)

Thus, putting the considered items in order from most expensive to least expensive item gives the order as shown by: Option b. Blender, ink, hat, heater

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The test statistics for one-way Anova follows, the comparing of the T Statistic with the T critical value.

On data that is dispersed normally, the Z test is a parametric process that is applied. The z-test can be applied to proportions, two samples, or one sample to test hypotheses. When the population variance is known, it is possible to determine whether the means of two significant groups differ.

The second is one-way analysis of variance (ANOVA), which checks if three or more samples originate from populations with the same mean using the F-distribution.

The test statistic should be compared to the crucial value. If the test statistic is more extreme in favor of the alternative than the crucial value, the alternative hypothesis should be considered instead of the null hypothesis. If the test statistic is not as extreme as the crucial value, the null hypothesis should not be disregarded.

Therefore,

The test statistics for one-way Anova follows, the comparing of the T Statistic with the T critical value.

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9 and -9

Step-by-step explanation:

The distance between both are 18, and they are opposites because one is positive, and the other is negative.

The diameter of the circle is 7 m, so we can substitute d = 7 into the formula:

C = πd

C = 3.14 x 7

C = 21.98

Rounding to the nearest tenth, we get:

C ≈ 22.0 m

Therefore, the circumference of the circle is approximately 22.0 meters.

Answer:

22

explanation:

circumference equation = 2 x pi x radius

radius is half of diameter, so you do 7/2 which is 3.5 to get the radius. then with your calculator, you do 2 x pi(3.14) x 3.5 = 2.99.

then when you round 21.99 to the nearest 10, you get 22.

Answer : There are 84 different ways that six letters can be grouped from nine letters total.

Now that we have determined that the problem deals with combinations, we can use the formula for combinations to calculate the number of ways that six letters can be grouped from nine letters total. The formula for combinations is:

C(n,k) = n! / (k! * (n-k)!)

Where n is the total number of items, and k is the number of items being chosen. In this case, n = 9 and k = 6. Plugging these values into the formula gives us:

C(9,6) = 9! / (6! * (9-6)!)

C(9,6) = 9! / (6! * 3!)

C(9,6) = 362880 / (720 * 6)

C(9,6) = 362880 / 4320

C(9,6) = 84

Therefore, there are 84 different ways that six letters can be grouped from nine letters total.

Answer: 84.

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Answer:

3.10 I think

Answer:

$4.161616 =

As a fraction

= $[(4 × 62500) + 10101]/62500

= $(260101/62500)

As a mixed number =

$\(4\frac{10101}{62500}\)

Step-by-step explanation:

Cost of making a computer component = $4.161616

= $4 + $0.161616

6 numbers after the decimal , hence

0.161616 × 1000000/1000000

= 161616/1000000

= 10101/62500

We are told in the question to write the repetiting decimal cost as a fraction and as a mixed number

$4 + $0.161616 = $4 + 10101/62500

As a fraction

= $[(4 × 62500) + 10101]/62500

=$260101/62500

As a mixed number = \($4\frac{10101}{62500}\)

Answer:

You Can Open up this link to find your answer!!

Step-by-step explanation:

The Miller index notation for the (100) plane in an FCC crystal structure is [100].

Miller indices are a way to describe crystal planes and directions in a standardized manner. In the case of FCC crystal structure, the (100) plane is parallel to the x-y plane and intersects the x-axis, y-axis, and z-axis at points where the Miller indices are (1,0,0), (0,1,0), and (0,0,1), respectively.

However, to express the (100) plane in a concise and standardized manner, we can use the Miller index notation, which involves taking the reciprocals of the intercepts of the plane with the crystallographic axes and then reducing them to the smallest integer values. In the case of the (100) plane in FCC, all of the intercepts are 1, so the Miller indices are [100].

the pd expression for the (100) plane in FCC crystal structure is [100].

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The second droplet hits the ground in least  amount of time.

The equation  that express the height first droplet at time t seconds is (y = (-16t² +40= 40–16t²)

At the=0, y = 40 ie the droplet started from a height of 40 ft. At y= 0, the droplet touches the ground.

The time when y= 0 at the height of 40 can be calculated as :

16t²=40

t²= 40/16

=2.5

t=√2.5 s

= 1.58 S

Then the second droplet drops using the height of 22 ft bcan be calculated by the use of the equation of motion  which is

h =( ut+1/2gt²)

= 1/2*32*t²= 16t²

Then we can equate with the height as :

22 = 16t²

t² = 22/16

=√(22/16)

= 1.173 seconds.

Therefore, the second droplet hits the ground in least time when they both follow the same time.

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Complete question:

The function y= -16t^2+40 represents the height y (in feet) of water droplet t seconds after falling from a icicle. A second water droplet falls from height of 22 feet. Which water droplet hits the ground in the least amount of time?

Answer: yes this is correct 4x+y=−17−4x=2y=14x=y

Step-by-step explanation:

PLS BRAINLIEST

Answer:

y= 12x+3

Step-by-step explanation:

The slope-intercept equation is basically y=mx+b

m is the slope and b is the intercept.

Plug the numbers in for those 2 and there's your answer :)

Answer:

y = 12x + 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 12 and c = 3 , then

y = 12x + 3

Answer:

70, 84, and 116

Step-by-step explanation:

(x) + (x + 14) + (2x - 24) + 90 = 360

4x - 10 + 90 = 360

4x = 280

x = 70

x + 14 = 84

2x - 24 = 116

Step-by-step explanation:

Mulitplying Decimals

1. forget about the decimals and multiply like normal.

2. once you get your answer, # of decimals of first number + # of decimals of second number = how many decimal places the answer has. for example if you mulitply 0.1 with 2.45, it would be .245

like this

The length of the radius of circle o is 18 cm.

Circle o has a circumference of 36π cm.

What is the length of the radius, r?

Circle o has a circumference of 36π cm.

The length of the radius of the circle is determined by the following formula;

\(\rm Circumference = 2\pi r\)

Substitute all the values in the formula;

\(\rm Circumference = 2\pi r\\ \\ 36\pi =2\pi r\\ \\ r = \dfrac{36\pi }{2\pi }\\ \\ r = 18 \ cm\)

Hence, the length of the radius of circle o is 18 cm.

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Answer:

18 cm

Step-by-step explanation:

on edge

(a) tangent line to the graph of f(x) = x^3 at the point (4,2).

(b) equation of the tangent line to the graph of f(x) = x^2 - x at the point (4,12).

(a) To find the equation of the tangent line to the graph of f(x) = x^3 at the point (4,2), we need to find the slope of the tangent line at that point. We can do this by taking the derivative of f(x) with respect to x and evaluating it at x = 4. The derivative of f(x) = x^3 is f'(x) = 3x^2. Evaluating f'(x) at x = 4 gives us the slope of the tangent line. Once we have the slope, we can use the point-slope form of a linear equation to write the equation of the tangent line.

(b) Similarly, to find the equation of the tangent line to the graph of f(x) = x^2 - x at the point (4,12), we differentiate f(x) to find the derivative f'(x). The derivative of f(x) = x^2 - x is f'(x) = 2x - 1. Evaluating f'(x) at x = 4 gives us the slope of the tangent line. Using the point-slope form, we can write the equation of the tangent line.

In both cases, the equations of the tangent lines will be in the form y = mx + b, where m is the slope and b is the y-intercept.

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The sum of the measures of the interior angles of a 25-sided polygon is 4,500 degrees. In order to find the sum of the measures of the interior angles of a polygon, the formula i\(s (n-2) x 180\)degrees where n represents the number of sides in the polygon.

Using the formula, we can calculate the sum of the measures of the interior angles of a 25-sided polygon as follows:\((25-2) x 180 degrees = 23 x 180 degrees= 4,140 degree\)s the sum of the measures of the interior angles of a 25-sided polygon is 4,500 degrees. This means that if all the interior angles of the polygon are added together, the result will be 4,500 degrees.

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The df value for the t statistic is 7.

In a one-sample t-test, the degrees of freedom play a huge role in determining the critical value of the hypothesis test. It is highly dependent on the sample size of the distribution, and is computed using the formula

d.f.= n − 1.

A one-sample (or one mean) t-test is applied to test whether the population-parameter is significantly different from some hypothetical value.

The degrees of freedom of the t-test is:

df = n - 1

It is provided that the sample size is, n = 8.

Compute the degrees of freedom as follows:

df = n - 1

  = 8 - 1

  = 7

Hence, The df value for the t statistic is 7.

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Answer:

cross and multiply

48y=4

divide both sides by48

y=1/12

Answer:

$15,360

Step-by-step explanation:

To find the retail price, multiply 12,800 by 1.2

12,800(1.2)

= 15,360

So, the retail price is $15,360

Answer:

$15360

Step-by-step explanation:

10% of 12,800 = 1280

20% = 1280 x 2 = 2560

Add this on to the original price to give $15,360

Answer:

4.2

Step-by-step explanation:

Four and one-sixth is equal to 4.2. One-sixth is the same as 1/6, which is equal to 0.16666666666666666. When you add this fraction to 4, you get 4.166666666666667, which can be rounded to 4.2. Four and sixteen hundredths is equal to 4.16, which is close to 4.2 but not exactly the same. Six twenty-fifths is equal to 0.24, which is also not equal to 4.2. 416% is equal to 4.16, which is also not equal to 4.2.

The number of elements in the sample space for this experiment is 969.

If a person eating at a cafeteria must choose 3 of 19 vegetables on offer, we can calculate the number of elements in the sample space, or the total number of possible outcomes, using the formula for combinations:

nCr = n! / [r!(n - r)!]

where n is the total number of items in the set and r is the number of items being chosen.

In this case, we have 19 vegetables and we want to choose 3 of them, so we can plug in n = 19 and r = 3:

19C3 = 19! / [3!(19 - 3)!]

= 19! / (3!)(16!)

= 969

Therefore, there are 969 possible combinations of 3 vegetables that a person can choose from a selection of 19 vegetables.

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The no. of books read are 21.

What is an array multiplication ?

An arrangement of rows or columns that exactly matches a multiplication equation is known as a multiplication array.

We can calculate the no. of books read by multiplication array.

In the picture, the first row shows the no. of books read by first student,

the 2nd row shows the no. of books read by 2nd student and the 3rd row shows the no. of books read by 3rd student.

If we calculate the total books then, the total books will be 21 (7 + 7 + 7).

Hence, the total no. of books are 21.

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Answer:

6,300 grams

Step-by-step explanation:

kg to g is multiply by 1,000

Answer:

Step-by-step explanation:

630%

Nate had $3000 at the beginning.

The percentage is defined as a ratio expressed as a fraction of 100.

Let the original amount of money is P

Nate spent 12 % of his paycheck on car repairs

⇒ 12% of P = 12P/100

And he spent 25 % of the remainder on food.

⇒  0.25(88/100)P

He gave $ 1,320 of the remaining money to his parents

⇒ 1320  

If the usual price of the computer was $ 825 and the discount was 20 %

⇒ 825 - 0.20(825) = 660

P = 12P/100 + 0.25(88/100)P + 1320 + 660

P - 34P/100 = 1980

100P - 66P = 198000

P = 3000

Hence, Nate had $3000 at the beginning.

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By using the simplified quadratic formula, we can find the x-coordinate of the vertex, which will be the only real root of the quadratic function.

If the discriminant of a quadratic function is equal to zero, then the function will have two real roots or x-intercepts.

To find the discriminant of a quadratic function, we use the formula:
Discriminant (D) = b^2 - 4ac

If the discriminant is equal to zero (D = 0), it means that the quadratic function has exactly one real root. This happens when the quadratic equation has a perfect square trinomial as its quadratic term.

To solve a quadratic equation with a discriminant of zero, we can use the quadratic formula:
x = (-b ± √(D)) / 2a

Since the discriminant is zero, we can simplify the quadratic formula to:
x = -b / 2a

By using this simplified quadratic formula, we can find the x-coordinate of the vertex, which will be the only real root of the quadratic function.

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