will give brainliest to quickest answer

The collection of "high mountains of Nepal" is subjective and not well-defined, it may or may not be a set depending on the criteria specified, and to express it as a well-defined collection.

a) It is not a well-defined collection because the term "high mountains of Nepal" is subjective and does not have a clear definition. What one person considers high might be different from what another person considers high.

b) It is not necessarily a set, depending on how the collection is specified. If the collection is specified using clear criteria (such as mountains over a certain height), then it could be a set.

However, if the collection is just described using vague language like "high mountains of Nepal," then it is not necessarily a set.

c) In order to articulate it as a precise collection, we may define a precise standard for what constitutes a "high mountain of Nepal." As an illustration, we could say that any peak in Nepal that rises higher than 7,000 meters qualifies as a high mountain there.

With this precise definition, we could then pinpoint a trio of Nepalese mountains.

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The probability that the first student who enters the room will be assigned to the front row is 4/15.

The probability of an event is calculated by dividing the total number of possible outcomes by the number of possible outcomes.

given that ,

A classroom is arranged with 8 seats in the front row 10 seats in the middle row and 12 seats

The total number of seats in the classroom is 8 + 10 + 12 = 30.

There are thirty seats to choose from because there is only one student entering the room.

However, we want to determine the likelihood that the student will be assigned to one of the eight seats in the front row.

Therefore, the probability of assigning the front row to the first student who enters the room is:

P(front row) = 8/30

Simplifying this fraction gives:

P(front row) = 4/15

As a result, there is a probability of 4/15, or roughly 0.267, that the first student who enters the room will be assigned to the front row.

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The percent increase in the cost of the uniform from last year to this year is 25%.

To find the percent increase in the cost of the uniform from last year to this year, we need to calculate the difference between the two prices, divide it by the original price, and then multiply by 100 to express the result as a percentage.

The difference between this year's price and last year's price is:

$65 - $52 = $13

The original price (last year's price) is $52.

So the percent increase in the cost of the uniform is:

percent increase = (difference / original price) x 100

percent increase = ($13 / $52) x 100

percent increase = 0.25 x 100

percent increase = 25%

Therefore, the percent increase in the cost of the uniform from last year to this year is 25%.

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The antiderivative of f(x) = x/√x  is [tex](2/3)x^{3/2}  + C[/tex],  

where C is the constant of integration.

To find the antiderivative of the given function.

The function is: f(x) = x/√x

First, let's rewrite the function in a more convenient form for integration:
f(x) = x / √x

[tex]= x / x^{1/2}[/tex]

[tex]= x^{1 - 1/2}[/tex]

[tex]= x^{1/2}[/tex]
Now, let's find the antiderivative using the power rule for integration:
∫[tex]x^{1/2} dx[/tex]
To apply the power rule, we need to add 1 to the exponent and then divide by the new exponent:
Antiderivative = [tex](x^{(1/2) + 1)) / ((1/2) + 1} ) + C[/tex]
Antiderivative =[tex](x^{3/2/ 3/2} + C)[/tex]
Finally, multiply by the reciprocal to simplify the expression:
Antiderivative = [tex](2/3)x^{3/2} + C.[/tex].

An antiderivative, also known as an indefinite integral, is a function that, when differentiated, yields a given function. In other words, an antiderivative of a function f(x) is a function F(x) such that F'(x) = f(x).

For example, if f(x) = 2x, then an antiderivative of f(x) would be F(x) = x^2 + C,

where C is a constant of integration.

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No, tripling the length of time for the investment does not double the interest earned with compound interest.

When interest is compounded, the interest earned depends not only on the length of time, but also on the interest rate and the number of compounding periods.

For example, if an investment of $100 earns 5% annual interest compounded annually for 1 year, the interest earned would be:

Interest = $100 x 0.05 = $5

If the same investment is compounded for 2 years instead of 1, the interest earned would be:

Interest = $100 x (1 + 0.05)^2 - $100 = $10.25

As we can see, doubling the length of time for the investment does not double the interest earned with compound interest.

The interest earned depends on the interest rate and the number of compounding periods as well.

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Answer:

The domain of h is

[tex] - 7 \leqslant x \leqslant 7[/tex]

Choice A is correct.

Answer:

c

Step-by-step explanation:

The result of subtracting 7.06 from 4.25 is -2.81.

Let's see how these steps apply to the problem at hand:

4.25

-7.06

In this case, we don't need to borrow because the top number 4.25 is already smaller than the bottom number 7.06.

Starting from the rightmost column, we subtract 5 from 6. Since 6 is larger than 5, we can subtract 5 from 6 and get 1. We write down 1 in the hundredths column.

Next, we move to the tenths column and subtract 2 from 0. We can't do this, so we need to borrow 1 from the digit in the ones column. The 4 in the ones column becomes 3, and the 2 in the tenths column becomes 12.

Now we can subtract 2 from 12, which gives us 10. We write down 0 in the tenths column and carry 1 to the ones column.

In the ones column, we have 3 - 7 - 1 (the borrowed 1) = -5. Since we can't have a negative number in this position, we need to borrow again from the digit in the tens column. The 2 in the tens column becomes 12, and we bring down the borrowed 1 to the ones column.

Now we can subtract 7 from 12, which gives us 5. We write down 5 in the ones column.

Step 4: Bring down any digits that have not been used.

We don't have any digits left to bring down, so we have finished the subtraction.

Therefore, the result of subtracting 7.06 from 4.25 is -2.81.

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The solution to the linear function M(x) = 180 is of x = -5.

The linear function equation is the slope-intercept form. Thus, it is expressed as f(x) = mx + b where m is the slope and b is the y-intercept of the line.

In this problem, the function is defined as follows:

M(x) = 120 - 12x.

M(x) represents the balance remaining on the gift card after x movie tickets priced at $12 are purchased.

The domain of the situation is given as follows:

x ≥ 0. {discrete}

As the number of tickets cannot assume negative neither decimal values.

The equation is:

M(x) = 180.

The solution is calculated as:

120 - 12x = 180

12x = -60

x = -60/12

x = -5.

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The measure of the angle in degrees is approximately 713 degrees. Note that this result is greater than 360 degrees because the angle is not a standard angle in a plane but a measure in three-dimensional space.

Since 1/360th of the circumference of the circle is 0.5 cm long, the circumference of the circle is 360 times longer, or 180 cm long.

The arc subtended by the angle is 79 cm long, which is a fraction of the entire circumference. To find the angle in degrees, we need to convert the arc length to an angle measure using the formula:

angle measure = (arc length / circumference) x 360 degrees

Substituting the values we know, we get:

angle measure = (79 cm / 180 cm) x 360 degrees

Simplifying the fraction, we get:

angle measure = 1.9833 x 360 degrees

Rounding to the nearest degree, we get:

angle measure ≈ 713 degrees

Therefore, the measure of the angle in degrees is approximately 713 degrees. Note that this result is greater than 360 degrees because the angle is not a standard angle in a plane but a measure in three-dimensional space.

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Thus, we may estimate that there were 557 principals present at the meeting.

A mathematical comparison of two numbers is called a percentage. These figures frequently serve as a comparison between various objects or individuals. Take the scenario where you entered a crowded room as an example.

52/70 = 0.743 or 74.3%

Applying this ratio to the total number of attendees, we can extrapolate the proportion of principals at the conference, assuming that it is reflective of the conference as a whole:

Total principals at conference = Proportion of principals x Total number of attendees

Total principals at conference = 0.743 x 750

Total principals at conference ≈ 557

As a result, we may estimate that there were 557 principals present at the meeting.

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The mean and standard deviation of a sampling distribution of sample means with sample size 249 are 71 and approximately 1.267 respectively when the population has a mean of 71 and standard deviation of 20.

We know that, if the population has mean [tex]=\mu[/tex] and standard deviation [tex]=\sigma[/tex] and if the sampling distribution has sample size of n then

mean of the sampling distribution will be [tex](\mu_{\bar{x}})=\mu[/tex]

and the standard deviation of sampling distribution will be [tex](\sigma_{\bar{x}})=\frac{\sigma}{\sqrt{n}}[/tex]

Here in this problem,

Mean of the population [tex](\mu)[/tex] = 71

Standard Deviation of the population [tex](\sigma)[/tex] = 20

And the sample size of the sampling distribution (n) = 249

So, the mean of sampling distribution [tex](\mu_{\bar{x}})=\mu[/tex] = 71

Standard Deviation of sampling distribution [tex](\sigma_{\bar{x}})=\frac{\sigma}{\sqrt{n}}=\frac{20}{\sqrt{249}} \approx 1.267[/tex] (Correct up to three decimal places)

Hence, the mean and standard deviation of the sampling distribution of sample means with sample size 249 are 71 and 1.267 (approximately) respectively.

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The correct answer is (b). SSB = SST - SSW

The ANOVA (analysis of variance) test is a statistical method used to compare the means of two or more groups. One useful computational shortcut for this test is expressed as SSB = SST - SSW, where SSB is the sum of squares between groups, SST is the total sum of squares, and SSW is the sum of squares within groups.

The useful computational shortcut for the ANOVA test is expressed as:

SSB = SST - SSW

where SSB is the sum of squares between groups, SST is the total sum of squares, and SSW is the sum of squares within groups.

Option (b) is the closest, but it has a typo. It should be:

SSB = SST - SSW

Therefore, the correct answer is (b).

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The useful computational shortcut for the ANOVA test is SSW = SST - SSB

therefore,option d. SSW = SST - SSB is correct.


ANOVA (Analysis of Variance) is a statistical test used to analyze differences between group means.

The test involves partitioning the total variation into two components:

variation between groups (SSB, sum of squares between) and variation within groups (SSW, sum of squares within).

The total sum of squares (SST) represents the overall variability in the dataset.

The computational shortcut for ANOVA states that the sum of squares within groups (SSW) can be calculated by

subtracting the sum of squares between groups (SSB) from the total sum of squares (SST).

So, SSW = SST - SSB.

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The measures of the other two angles in the parallelogram are both 143 degrees.

A parallelogram is a quadrilateral with two sides that are parallel to one another. A parallelogram has equal-length opposite sides and equal-length opposite angles. The internal angles that are extra to the transversal on the same side. A parallelogram's total interior angles add up to 360 degrees.

A parallelogram is formed by the junction of two parallel lines, and its opposite angles are equal.

Then, there are two 35 degree angles. Two further angles that are equivalent are noted: A parallelogram's angles add up to 360 degrees. Following that, x+x+37+37=360

2x=360-74

2x=286

x=143.

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The smallest rational number among all the given numbers is equal to 0.2345678.

The rational number are equal to,

-√5 , (1/4), √25 , -√27 , 0.2345678

First simplify each of the given numbers we have,

√5 is an irrational number,

so it is not rational.

1/4 is a rational number.

√25 = 5,

which is a rational number.

-√27 = -3√3,

which is an irrational number, so it is not rational.

0.2345678 is a rational number.

Arrange the rational number in ascending order to get the smallest rational number .

Value of 1/4 = 0.25

0.2345678 < 0.25 < 5

Therefore, the smallest rational number among the given options is 0.2345678.

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Answer:

21.5

Step-by-step explanation:

1. Line the numbers from least to greatest:

20, 20, 21, 22, 23, 26

2. cross off one from one side then the other

(ex: 20, 20, 21, 22, 23, 26 --> 20, 21, 22, 23 --> 21, 22)

3. the number left is the median, but if there are 2 numbers left do step 4 and 5

4. find the middle of the 2 numbers (ex: 21 and 22's middle is 21.5)

5. The middle of the those 2 numbers is the median (which in this case is 21.5)

Each leg of the triangle has a length of 5√(2) units

Since the triangle is 45-45-90, each of the two legs has the same length, which we'll call x. By the Pythagorean theorem, we know that:

x² + x² = h²

Simplifying this equation, we get:

2x² = h²

To solve for x, we can divide both sides by 2 and then take the square root:

x = h / √(2)

This tells us that each leg of a 45-45-90 triangle is equal to the hypotenuse divided by the square root of 2.

Let's say you have a 45-45-90 triangle with a hypotenuse of length 10. To find the length of each leg, you would use the formula:

x = h / √(2)

Substituting h = 10, we get:

x = 10 / √(2)

To simplify this expression, we can rationalize the denominator by multiplying both the numerator and denominator by √(2):

x = (10 / √(2)) * (√(2) / √(2))

= 10√(2) / 2

= 5√(2)

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he would fit the child size

his height is 145cm and we want to convert it  into inches so the formula is

length/2.54=

145cm/2.54=57.08in

so juan is 57.08 inches, so he fits the child size.

Answer:

1 6/7 is about 2, so 9 1/2 - 1 6/7 is about

7 1/2.

According to the Equation, the provided question's conclusion is that the object strikes the top of the tree in roughly 4 seconds.

An equation is a mathematical statement that demonstrates the equality of two expressions and is typically denoted by the equals symbol (=). Equations can be used to solve issues and make predictions as well as to express a wide variety of mathematical relationships.

The formula for the distance travelled by an object under constant acceleration can be used to solve this issue:

d = 1/2 * g * t²

where:

The distance travelled is d.

Gravitational acceleration (g) is around 32.2 feet per second squared.

T is the passing of time

Since the object is being dropped in this scenario, we know that its initial height is 0 feet and its ending height is 44 feet. For the duration of the trip, we may construct the following equation:

The required time is t seconds.

h(t) = 44

Simplifying:

-16t² + 300 = 44

16t² = 300 - 44

t² = 256/16

t² = 16

When both sides are squared:

t = 4 seconds

The time it takes for the object to strike the tree's top is therefore 4 seconds.

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The complete question is,

Let's say the object lands 44 feet above the ground, at the top of a tree. You may calculate the number of seconds after being dropped by writing and solving an equation.

There is enough proof that the mean raw score for the school's applicants is more than 30 at a significance level of α = 0.01, therefore we reject the null hypothesis.

The null hypothesis H0: μ ≤ 30 mean raw score for the school's applicants is less than or equal to 30 and the alternative hypothesis Ha: μ > 30

We can utilize a one-tailed t-test since we don't know the population standard deviation and our sample size is less than 30. The test statistic is evaluated

t = (x' - μ) / (s / √n)

here
x'= sample mean = 31,
μ = hypothesized population mean = 30,
s =  standard deviation = 2.5,
n = sample size = 50.

t = (31 - 30) / (2.5 / √50)
= 3.16

Applying  t-distribution table with degrees of freedom (df) = n - 1 = 49 and a significance level of α = 0.01, we find that the critical value is
t-critical = 2.404.

The calculated t-value (3.16) is greater than our critical value (2.404), we reject the null hypothesis since there is enough evidence to support the student's claim that the mean raw score for the school's applicants is more than 30 at a significance level of α = 0.01.

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There are 5 markers in each cup

Nicholas splits 27 green markers equally into 9 cups

Hence the number of green markers in one cup is

= 27/9

= 3

He then spilt 18 yellow markers equally into the same 9 cups

The number of yellow markers in one cup is

= 18/9

= 2

The total number of markers in each cup is

= 3 + 2

= 5

Hence there are 5 markers in each cup

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Answer:

42 degrees

Step-by-step explanation:

So, first to find <QUT, which is a vertical angle, we have to figure out either QUR or TUS.  So:

9x+3=11x-27

solve for x:

x=15

Then, plug it into one of the equations.  Let's use 9x+3.

9(15)+3=138

So, we know that QUR is 138 degrees.

That means that TUS is ALSO 138.

138x2=276

Now we know that QUT and RUS have to equal whatever 360-276 is:

360-276=84

QUT and RUS have to equal 84 degrees, so we DIVIDE by 2.

84/2=42

So, QUT=42 degrees

Answer:

42 Degrees

Step-by-step explanation

Becuase (11x-27) and (9x+3) are vertical angles that means they are equal to each other

(11x - 27) = (9x + 3)

First you will add 27 to both sides

11x -27 = 9x +3

     +27         +27

Making it to:

11x = 9x + 30

Now you need to subtract 9x from both sides

11x = 9x +30

-9x   -9x

Turning it into this

2x= 30

Now Lastly, divide both sides by 2

2x = 30

2x     2x

And the answer is...... X=15

Now that you have the x value, we go back to the 11x-27 and replace the X with 15

11(15) -27 = 138 degress

Now because angle QUT and 138 degrees make a straight line that means together they will be 180 degress so you will subtract 180 by 138

Giving you the final answer of

42 Degrees

The container can contains 3,000 pounds of chemicals.

One cubic foot of a chemical weighs 50 pounds which means 1 ft³ of chemical = 60 pounds

We must  find how many pounds in the container whose dimension 6 ft, 4 ft and 2.5 ft. So, the l = 6 ft, b = 4 ft and h = 2.5 ft.

Volume of box = L*B*H

Volume of box = 6 x 4 x 2.5

Volume of box = 60 ft³

From 1 ft³ of chemical = 60 pounds; then, the 50 ft³ of chemical will be:

= 50 x 60

= 3,000 pounds

Full question "One cubic foot of a chemical weighs 60 pounds. How many pounds of the chemical can a container with the dimensions shown hold? The base is 6, the width is 4, and the height is 2.5"

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a) A recurrence relation, aₙ = aₙ₋₂ + aₙ₋₃

is for the different signals that can be sent in n microseconds.

b) Initial conditions are a₀ = 0, a₁ = a₂ = 1

c) The number of messages sent in 12 microseconds are equal to 16.

A recurrence relation is an equation form for nth term of a sequence of numbers which is equal to some combination of the previous terms. We have a messages are sent over a communications channel using two different signals. Let an be different number of messages that can be transmitted in n microseconds. In case of First signal, it required 2 microsecondes time to tramissmit the signals. So, the different number of signals that can be transmitted in 2 microseconds are [tex]a_{n - 2} [/tex]

In case of second signal , Time required by second signal to to transmit signal = 3

microsecondes

So, different number of messages that can be transmitted in 3 microseconds are

[tex]a_{n - 3} [/tex]

Each signal of a message is transmitted one by one.

a) A recurrence relation for the number of different signals that can be sent in n microseconds is written as

[tex]a_n = a_{n - 2} + a_{n - 3}[/tex]

hat is an us sum of different signals transmitted by each signals.

b) recurrence relation is

[tex]a_n = a_{n - 2} + a_{n - 3}[/tex]

so, the initial conditions of the recurrence relation in part (a) is n = 3 , [tex]a_3 = a_1 + a_0 [/tex]

a₀ = 0, a₁ = 1 , a₂ = 1

c) Different messages can be sent in 12 microseconds is determined by plugging the value in recurrence relation, a₃

= a₁ + a₀ = 1 + 0 = 1

a₄ = 1 + 1 = 2

a₅ = 1 + 1 = 2

a₆ = 2 + 1 = 3

a₇ = 2 + 2 = 4

a₈ = 3 + 2 =5

a₉= 4 + 3 = 7

a₁₀= 5 + 4 = 9

a ₁₁ = 7 + 5 = 12

a₁₂ = 9 + 7 = 16

Hence, required value is 16.

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Answer:

Step-by-step explanation:

539.22 dollars

The radius of the cylindrical water bottle is approximately 2.34 cm.

The company designing the water bottle has given us the volume of the bottle, which is 220 cm³, and the height of the bottle, which is 8.9 cm. We can use the formula for the volume of a cylinder to relate the radius, height, and volume of the water bottle. The formula is:

Volume of a cylinder = π × radius² × height

We are given the volume of the cylinder as 220 cm³ and the height as 8.9 cm, so we can substitute these values into the formula to get:

220 = π × radius² × 8.9

To solve for the radius, we need to isolate it on one side of the equation. We can start by dividing both sides by π × 8.9:

220 ÷ (π × 8.9) = radius²

Now, we can take the square root of both sides to find the value of the radius:

√(220 ÷ (π × 8.9)) = radius

Using 3.14 for π, we can simplify the expression to get:

radius ≈ 2.34 cm

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The value of the variables as identified from the reciprocal function are;

a = 5

h = -6

k = 7

2. The correct option is Option A

A reciprocal function is a mathematical function that can be represented as f(x) = 1/x, where x ≠ 0.

The graph of a reciprocal function is a hyperbola with two branches that approach the x and y axes, but never touch them.

From the information given, we have the function as;

y = a/x - h + k

Given that the function with numbers is written as;

y = 5/x + 6 + 7

To determine the values of a, h and k, we get;

The variable, a = 5

The variable, k = 7

The variable, h = -(6) = -6

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