find the base of the triangle, if its area is 18 hectares and height is 60 dam

The probability of getting all tails in 9 coin flips is (1/2)^9, which is approximately equal to 0.02.

The probability of getting all tails in 9 coin flips can be calculated by multiplying the probability of getting tails on each individual flip. Since the coin is fair, the probability of getting tails on a single flip is 1/2. Hence, the probability of getting all tails in 9 coin flips is given by (1/2)^9, which is approximately equal to 0.02. This means that there is a 2% chance of getting all tails in 9 coin flips.

It is important to note that in a sequence of coin flips, the order in which the heads and tails appear is important. For example, getting HTTTHTTTT and THTTTHTTT are two different outcomes, even though both have the same number of heads and tails. The total number of possible outcomes in 9 coin flips is 2^9, which is equal to 512. So, to calculate the probability of getting all tails in 9 coin flips, we need to calculate the number of possible outcomes with 9 tails, divide that number by the total number of possible outcomes, and obtain (1/2)^9.

Therefore, probability = 0.02

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Option D : The range-based for loop is a convenient way to iterate over elements in an array or other container type, without having to worry about indexing or keeping track of the end condition.

The syntax of the range-based for loop is as follows:

for (dataType identifier : arrayName)

{

statements

}

Here, dataType specifies the type of each element in the array arrayName. identifier is a variable that will be used to refer to each element of the array in turn, as the loop iterates. The keyword in is optional and can be omitted. The statements inside the loop will be executed once for each element in the array.

For example, if you have an array of integers named numbers, you could use a range-based for loop to print each element of the array as follows:

int numbers[] = {1, 2, 3, 4, 5};

for (int num : numbers)

{

cout << num << endl;

}

This would print the numbers 1 to 5, each on a separate line.

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Suppose that arrayName is an array, wherein each element is of type dataType. Which of the following is the correct syntax for the range-based for loop?

a. for (identifier : arrayName) statements

b. for (dataType : arrayName) statements

c. for (arrayName : dataType identifier) statements

d. for (dataType identifier : arrayName) statements

Answer:

see below

Step-by-step explanation:

dogs = x

cats = y

x+y =39

x- y = 13

so add the 2 equations together you get 2x = 52 so x = 26

y = 13

the explanation is in the picture

Answer:

The Islamic month of Ramadan in 2017 began on Friday, 26 May, which was the 146th day of the year. There are 365 days in a year, so this was approximately 0.4 of the year.

Step-by-step explanation:

As a result, the rate of change is -60 miles per hour. This indicates that Valerie's distance from Houston drops by 60 miles per hour.

Slope is a measure of the steepness of a line or the rate of change between two variables. In mathematics, slope is often represented by the letter "m". The slope of a line is the ratio of the change in the vertical coordinate (rise) to the change in the horizontal coordinate (run) between two points on the line. The slope has important properties and interpretations. A slope of zero indicates a horizontal line, a positive slope indicates an upward slope, and a negative slope indicates a downward slope. The slope can also be used to determine whether two variables are positively or negatively correlated. In addition to its use in describing lines, slope is also used in other areas of mathematics, such as in the study of graphs of functions and in calculus. The slope of a function at a specific point is known as the derivative of the function, and it is used to study the rate of change and the concavity of the function.

Here,

The rate of change can be determined by finding the slope of the line that represents the function. In this case, we can use the given information to write an equation for the function and then find its slope.

Let's call the number of hours she drives z and the distance from Houston y. Based on the information given, we know that after 3 hours, her distance from Houston is 60 miles:

y = 60 miles

z = 3 hours

And we know that her distance from Houston decreases by 120 miles every 2 hours:

Δy = -120 miles

Δz = 2 hours

So the rate of change, or slope, is given by:

slope = Δy/Δz = -120/2 = -60

So the rate of change is -60 miles per hour. This means that for every hour that passes, Valerie's distance from Houston decreases by 60 miles.

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Answer:

To find Sally's yearly salary, we can use the information that her budget for food is 1/8 of her yearly salary and her total food bill for the year is $12,500. Let's call Sally's yearly salary "S".

Since 1/8 of Sally's yearly salary is dedicated to food, we can write:

S * 1/8 = $12,500

To solve for S, we can divide both sides of the equation by 1/8:

S = $12,500 * 8 = $100,000

So, Sally's yearly salary is $100,000.

Step-by-step explanation:

Answer:

Step-by-step explanation:

40 or less for males 35 or less for females

Answer:

arcsin (1°/245°) + 4.963586

Step-by-step explanation:

Rewrite the angle as a sum or difference with its reference angle

simplify the expression using the general reduction formula

Remove the parentheses

Simplify using exponent rule with same exponent (ab)n

Simplify using exponent rule with same exponent

Calculate the approximate value

Calculate

Calculate the sum or difference

Step-by-step explanation:

a=3, u= 5, t=7 (given)

v=u+at

v = 5+ 3×7 = 5+21= 26

v=26

The substitute a = 3, u = 5, t = 7 into the formula v=u+at. The value of V would be 26.

Given, a = 3, u = 5, t = 7

To find, v=u+at or v = u + (a × t)

= 5 + (3 × 7)

= 5 + 21

= 26

Thus, v = 26.

By substituting a = 3, u = 5, t = 7 into the formula v=u+at the value of V would be 26.

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The percentage of measurements in the interval x { s is 100%. The percentage of measurements in the interval x { 2s is 50%. The percentage of measurements in the interval x { 3s is 33.33%.

The number of measurements in the interval x { s is the total number of measurements, since the interval covers all the measurements. This means that the percentage of measurements in this interval is 100%.

The number of measurements in the interval x { 2s is half the total number of measurements, since the interval covers only half of the measurements. This means that the percentage of measurements in this interval is 50%.

The number of measurements in the interval x { 3s is one-third of the total number of measurements, since the interval covers only one-third of the measurements. This means that the percentage of measurements in this interval is 33.33%.

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Answer:

Distrubute it equally

Step-by-step explanation:

Answer:

Sampling distributions are a fundamental concept in statistics. They describe the distribution of sample statistics, such as means and proportions, over many samples of the same size taken from the same population. Sampling distributions provide essential information about the variability and stability of these sample statistics and help us make inferences about the population parameters.

The central limit theorem states that, as the sample size increases, the distribution of the sample means approaches a normal distribution, regardless of the shape of the population distribution. We can use regular distribution models to predict the sample mean and estimate the population means with confidence intervals.

In addition to the central limit theorem, other essential concepts in sampling distributions include the law of large numbers, which states that the average of the sample means approaches the population means as the sample size increases, and the standard error of the mean, which is a measure of the variability of the sample mean.

Knowing about sampling distributions is essential for understanding statistical inference and for making informed decisions about populations based on sample data. They provide a framework for evaluating the reliability and accuracy of sample statistics, and they play a crucial role in hypothesis testing, estimation, and other data analysis techniques.

Step-by-step explanation:

(∞,-14/3/2] ∪ [14/3/2, ∞)

The graph of the solution would be the set of all real numbers except for the number -14/3/2. It would be a number line with two open dots on either side of -14/3/2.

Irene multiplied 10 raised to the power of 4.

Math requires the use of arithmetic, algebra, and divisions. They result in the following when combined: An equation, some statistics, and a mathematical function Values, factors, and mathematical processes like adding, addition and subtraction, complex numbers, and division can all be found in a statement of fact. Different words and terms can be analysed and evaluated.

Here,

She ended up moving the decimal point in 83.904 four places to the right

i.e.

839040

Irene performed the operation

= 83.9040 / 83.904

= 10000

= 10⁴

Therefore, the solution of the given problem of expression comes out to be Irene performed the operation 83.904 × 10.⁴

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The amount of paper, he will need for the bulletin board is 30.875 square feet.

The required amount of ribbon is 22.5 feet.

The whole distance that a rectangle's borders, or its sides, the cover is known as its perimeter. Given that a rectangle has four sides, the perimeter of the rectangle will be equal to the total of its four sides.

Given:

Kyle puts ribbon around his rectangular bulletin board and covers it in a paper board measuring 4[tex]\frac{3}{4}[/tex] feet by 6[tex]\frac{1}{2}[/tex].

That means,

the perimeter of the paper board = the perimeter of the rectangular bulletin board

The perimeter of the rectangular bulletin board = 2(4[tex]\frac{3}{4}[/tex] + 6[tex]\frac{1}{2}[/tex])

The perimeter of the rectangular bulletin board = 45/2 feet

The perimeter of the rectangular bulletin board = 22.5 feet.

The amount of paper = (4[tex]\frac{3}{4}[/tex] x 6[tex]\frac{1}{2}[/tex]) = 30.875 square feet.

Therefore, the required amount of ribbon is 22.5 feet.

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The exact values for the following:

Sec(0) = -2.2417

Csc(0) = -1.1173317211

Tan(0) = 2.00630902786

Cot(0) = 0.4984

Equations using trigonometric functions that hold true for all possible values of the variables are known as trigonometric identities.

Given:

0 = 17/4.

Then the exact values for the following:

Sec(0) = 1 / cos(17/4) = -2.2417

Csc(0) =  1/ sin(17/4) = -1.1173317211

Tan(0) =  tan(17/4) = 2.00630902786

Cot(0) =  1/ tan(17/4) = 0.4984

Therefore, the exact values are given above.

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A) True. Both the given statement about simple interest and compound interest is True.

Simple interest is computed on a loan's principal, or initial loan amount.

Compound interest is often referred to as "interest on interest" since it is calculated using both the principal and the accrued interest from prior periods.

Formula for simple interest - S.I. = (P × T × R) ⁄ 100

Formula for compound interest - C.I. = P(1+R⁄100)t − P

If interest is computed on a compound basis rather than a simple basis, the amount of interest that must be paid on a loan can vary significantly. Positively, the power of compounding can work in your favor when it comes to investments and can be a significant contributor to wealth accumulation.

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Step-by-step explanation:

let the length of rectangle be x

let the breadth of rectangle be x - 4m

the perimeter of rectangle=40m

solution,

perimeter of rectangle=40m

2(l+b)=40m

2(x+x-4)=40m

2(2x-4)=40m

4x-8=40m

4x=40+8

or,4x=48

or,x=48/4

•°•, x=12

so,

length of rectangle=x=12

breadth of rectangle=x-4

= 12-4

=8

As a result, the answers are 2, 1, 1 for Systems A, B, and C, respectively.

An equation, in its most basic form, is a mathematical statement that states that two mathematical expressions are equal. For example, 3x + 5 = 14 is an equation in which 3x + 5 and 14 are two expressions separated by a 'equal' sign.

Here,

The number of real solutions for each system of equations can be determined by counting the number of points where the lines or curves intersect.

System A:

The equation x² + y² = 17 defines a circle with center at the origin and radius √17. The equation y = -1/2x defines a line. Since the circle and line intersect at two points, the system of equations has two real solutions.

Number of real solutions for System A: 2

System B:

The equation y = x² defines a parabola. The equation 7x + y = -6x + 5 defines a line. Since the parabola and line intersect at exactly one point, the system of equations has one real solution.

Number of real solutions for System B: 1

System C:

The equation y = 2x² + 9 defines a parabola. The equation 8y - 17 = 0 defines a line. Since the parabola and line intersect at exactly one point, the system of equations has one real solution.

Number of real solutions for System C: 1

So the answer is 2, 1, 1 for System A, B, C respectively.

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Answer:

C.] 10

Step-by-step explanation:

We can substitute x for 10. 10 is less than 11 so this makes the statement true.

As a result, the actual interest rate is 5.06% since Nolan purchases a $12,000 13-week treasury bill at 5%.

To calculate simple interest, divide the original by the loan rates, the length of time, and other variables. The marketing equation is simple gain = principal + interested + hours. It is easier to compute interest with this system. The method that is most frequently used to calculate this is as a percentage of the principle amount. If someone borrows $100 from a buddy and promises to return him with 5% interest, he may only pay his portion of the 100% interest. $100 (0.05) = $5. You must pay interest on any further borrowings as well as any loans you put out. Interest is frequently calculated as a measure of the entire amount of the loan. This percentage represents the loan's interest rate.

given that,

Simple interest = $12,000 × 0.05 × 13/52 = $150

Simple discount note = ($12,000 - $150) × 13/52 = $2962.5

Effective rate of interest = $150 / $2962.5

Effective rate of interest = 0.0506 or 5.06%

As a result, the actual interest rate is 5.06% since Nolan purchases a $12,000 13-week treasury bill at 5%.

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Answer: it’s not because of the angles

Step-by-step explanation:

Answer:

the angles are wrong for it to be a parallelogram

so sorry if I'm wrong

The expression f(x) = 4(x + 6)(x - 2) can be expanded as follows:

What is a mathematical expression?

A mathematical expression is made up of a statement, at least two integers or variables, and one or more arithmetic operations. This mathematical operation enables the multiplication, division, addition, or subtraction of numbers. The following is the structure of an expression: Expression: (Number/Variable, Math Operator, Math Operator)

f(x) = 4(x^2 - 2x + 6x - 12)

Expanding the inner parentheses,

f(x) = 4(x^2 + 4x - 12)

So, the expanded and simplified form of f(x) = 4(x + 6)(x - 2) is

f(x) = 4x^2 + 16x - 48

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The series must converge to a finite value.

The proof is given below.

It shows a relationship between two numbers or two expressions.

There are commonly used four inequalities:

Less than = <

Greater than = >

Less than and equal = ≤

Greater than and equal = ≥

We have,

The partial sums of the series satisfy the inequality s(n) ≥ 1000 for all n.

This means,

The sum of the series is bounded from below by 1000.

Now,

All terms of the series are positive, the sum of the series must either converge to a finite value or diverge to infinity.

For the sake of contradiction,

The series diverges to infinity.

Then for any M > 0, there exists an integer N such that,

a(N) + a{N+1} + a{N+2} + ... > M

This means,

The partial sums of the series start at index N.

i.e

s(N), s{N+1}, s(N+2), ... also diverge to infinity.

This contradicts the fact that they are all bounded from below by 1000.

Thus,

The series must converge to a finite value.

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The value of the function F(0) will be -1 / 4.

The unique varieties of relations are the functions. In mathematics, a function is represented as a rule that produces a distinct result for each input x.

In mathematics, a function is indicated by a mapping or transformation. Typically, these functions are indicated by letters like f, g, and h.

Given that the function is f(n) = 4f(n-1) + 5 and the value of f(1) is 4.

The value of f(0) will be calculated as:-

f(n) = 4f(n-1) + 5

f(1) = 4f(1 - 1 ) + 5

f(1) = 4f(0) + 5

4 = 4f(0) + 5

f(0) = -1 / 4

Therefore, the value of the function F(0) will be -1 / 4.

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The strand of straight hair would be most accurately classified as a ray.

The definition of ray in math is that it is a part of a line that has a fixed starting point but no endpoint.

Given is the strand of straight hair.

Considering the strand of hair to be straight. We can call it as a ray as ray originates from one point and extends away from that point towards infinity.

Therefore, the strand of straight hair would be most accurately classified as a ray.

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The sum is x/(x+5) + (x+10)/(x+1).

The difference is x/(x+5) - (x+10)/(x+1).

What is simplification?

To simplify simply means to make anything easier. In mathematics, simplifying an equation, fraction, or problem means taking it and making it simpler. Calculations and problem-solving techniques simplify the issue.

Here, we have

Given: x/(x+5) + (x²+20x+100)/(x²+11x+10)

Sum:

= x/(x+5) + (x²+20x+100)/(x²+11x+10)

= x/(x+5) + (x+10)²/(x+1)(x+10)

=  x/(x+5) + (x+10)/(x+1)

Hence, the sum is x/(x+5) + (x+10)/(x+1).

Now, the difference:

= x/(x+5) - (x²+20x+100)/(x²+11x+10)

= x/(x+5) - (x+10)²/(x+1)(x+10)

= x/(x+5) - (x+10)/(x+1)

Hence, the difference is x/(x+5) - (x+10)/(x+1).

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