find the value of x (pic attached)

Answer:

50%

Step-by-step explanation:

Answer: 50%

Step-by-step explanation:

31 is half of 62, so it was a 50% decrease.

Answer:

No

Step-by-step explanation:

the quantities are not proportional because 7/8 is greater than 2/4. Hope this helps!

Answer:

no it isn't

Step-by-step explanation:

Noooooooooooo

The user cost of capital for that machine over one year is \(\$1,700.\)

The user cost of capital represents the economic cost incurred by a company for using a machine or capital asset. It takes into account both the opportunity cost of the capital invested and the depreciation of the asset over time.

In this scenario, the machine initially costs \(\$10,000\) in constant dollars, which means it is the real price adjusted for inflation. The real rate of interest is given as \(12\%\), which represents the cost of borrowing or the opportunity cost of using the capital for other investments.

The machine is expected to increase in price by \(2\%\) due to inflation, and the rate of depreciation is \(5\%\) which represents the decrease in the value of the machine over time.

To calculate the user cost of capital over one year, we add the real rate of interest and the rate of depreciation, and multiply it by the initial machine value:

\(User cost of capital = (0.12 + 0.05) * \$10,000 = 0.17 * \$10,000 = \$1,700\)

Therefore, the user cost of capital for that machine over one year is \(\$1,700.\)

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6

To solve this problem, you need to divide the total number of students going on the field trips with the number of students in each group.

44/7

= 6 R 2

Since, I assume there can only be groups of 7, the answer is 6.

Answer:

A and C

Step-by-step explanation:

For every x value, there should be at most 1 y value.

B and D violate that constraint.

The value of P(X = 3) is 0.02923.

To find P(X) for the given values n = 4, p = 0.21, and X = 3, we can use the probability mass function (PMF) of the binomial distribution.

The PMF of the binomial distribution is given by:

P(X) = \(C_X^n * p^X * (1 - p)^{(n - X)\)

where C (n, X) is the binomial coefficient, given by n! / (X! * (n - X)!), representing the number of ways to choose X successes out of n trials.

Substituting the values into the formula, we have:

P(X = 3) = (C (4, 3) * (0.21)³ * (1 - 0.21)⁽⁴⁻³⁾

Calculating the binomial coefficient:

(C(4, 3)) = 4! / (3! * (4 - 3)!) = 4

Substituting the values into the formula:

P(X = 3) = 4 * (0.21³) * (0.79¹)

Calculating the result:

P(X = 3) = 4 * 0.009261 * 0.79

P(X = 3) ≈ 0.02923

Therefore, P(X = 3) is approximately 0.02923.

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Answer:

a, e, u, o, q, r, s, t, u is the union

Answer:

-1.5

Step-by-step explanation:

Simplify (Add -2.3 with -3.4) and get -5.7

[Add those using the assosiative property of addition]

Add 4.2 to the number and get -1.5. [it is a negative number because 5.7 is bigger than 4.2]

To price the derivative using the two-period binomial model, we need to calculate the expected payoff of the derivative using the risk-neutral probabilities.

The possible outcomes for the two-period binomial model are H and T,  there are four possible states of the world: HH, HT, TH, and TT.

To calculate the expected payoff we need to calculate the probability of each state occurring. The probability of HH occurring is pp=0.60.6=0.36, the probability of HT and TH occurring is pq+qp=0.60.4+0.40.6=0.48, and the probability of TT occurring is qq=0.40.4=0.16.

Next, we can calculate the expected payoff in HH and TT states, the derivative pays off 1, and in the HT and TH states, the derivative pays off 0. The expected payoff of the derivative in the HH and TT states is 10.36=0.36, and the expected payoff in the HT and TH states is 00.48=0.

We need to discount the expected payoffs back to time 0 using the risk-neutral probabilities.

The probability of that state occurring multiplied by the discount factor, which is 1/(1+r), where r is the risk-free interest rate.

Since this is a risk-neutral model, the risk-free interest rate is equal to 1. Therefore, the risk-neutral probability of each state occurring is

HH: 0.36/(1+1) = 0.18

HT/TH: 0.48/(1+1) = 0.24

TT: 0.16/(1+1) = 0.08

Finally, we can calculate the price of the derivative

Price = 0.181 + 0.240 + 0.240 + 0.081 = 0.26

Therefore, the price of the derivative is 0.26.

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Answer:

x = - \(\frac{1}{2}\)

Step-by-step explanation:

Given

4x - 6 = 10x - 3 ( subtract 10x from both sides )

- 6x - 6 = - 3 ( add 6 to both sides )

- 6x = 3 ( divide both sides by - 6 )

x = \(\frac{3}{-6}\) = - \(\frac{1}{2}\)

The point (2, 4) is a solution to the system of equations 2x + y = 8 and 6x - y = 0.

A) (2, 4) for the system 2x + y = 8 and 6x - y = 0

Yes, (2, 4) is a solution to the system of equations. To prove this, we can substitute the values into the two equations. In the equation 2x + y = 8, substituting x = 2 and y = 4, we get 2(2) + 4 = 8. This statement is true, so the point (2, 4) is a solution to this equation. In the equation 6x - y = 0, substituting x = 2 and y = 4, we get 6(2) - 4 = 0. This statement is also true, so the point (2, 4) is also a solution to this equation. Therefore, (2, 4) is a solution to the system of equations 2x + y = 8 and 6x - y = 0.

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Given:

Number of samples n =58

Mean

Standard deviation

Required:

Find the confidence interval.

Explanation:

The confidence interval formula is

Substitute the given values in the formula.

The radius r that produces the minimum surface area is 1.06 cm and the height h is 1.41 cm.

Let r be the radius of the cylinder and h be the height. You can find the equation for the volume of a solid by adding the volumes of the two hemispheres and the cylinder.

Volume = \((2/3)πr^3 + πr^2h\) = 10 cubic centimeters

Now let's find the values ​​of r and h that minimize the surface area of ​​the solid. This area consists of three parts:

Curved surfaces of two hemispheres and sides of a cylinder. This can be expressed as:

surface area = \(2πr^2 + 2πrh\)

To find the values ​​of r and h that minimize this expression, we can use the Lagrangian multiplier method. Given that the volume of the solid is 10 cubic centimeters, we want to minimize the surface area. So it looks like this:

\(f(r, h) = 2πr^2 + 2πrh + λ[(2/3)πr^3 + πr^2h - 10]\)

Taking the partial derivatives for r, h, and λ and setting them to zero gives

\(4πr + 2πh = 2πr^2λ + (4/3)πr^3λ\)

\(2πr = πr^2λ + πrhλ\)

Solving these equations simultaneously gives:

h = 4r/3

λ = 2/(3r)

Substituting these values ​​into the volume equation gives:

\(r^2h = 5/3\)

Substituting h = 4r/3 from above, we get:

\(r^3 = 15/8pi\)

Taking the cube root of both sides gives:

r=1.06cm

Substituting this value for r into the formula for h yields:

h=1.41cm

Therefore, the radius r that produces the minimum surface area is about 1.06 cm and the height h is about 1.41 cm.

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Answer:

27x+49

Step-by-step explanation:

1. Start by distributing the 5 to 6x+9. This means to multiply 6x and +9 by 5.

6x times 5 = 30x

5 x 9 = 45.

5(6x+9) simplifies to 30x+45

2. Rewrite the expression as 30x+45-3x+4

3. Combine like terms.

30x - 3x = 27x

45 + 4 = 49

27x+49

Answer:

okkkkkkkkkkkkkkkkkkkkkkkkkkk

\(▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪\)

Sum of angles of a pentagon is ~ 540°

Therefore,

Value of x = 95°

Answer: The correct answer is B.

An example of a geometric formula that contains pi is the formula for the area of a circle: A = πr².

This formula is used to calculate the area enclosed by a circle.
1. Identify the circle's radius (r): The radius is the distance from the center of the circle to any point on its edge. If you know the diameter (d), you can find the radius by dividing the diameter by 2 (r = d/2).
2. Square the radius (r²): Multiply the radius by itself to get the square of the radius.

This is an essential step because the area of a circle is directly proportional to the square of its radius.
3. Multiply by pi (π): Pi (approximately 3.14159) is a mathematical constant that represents the ratio of a circle's circumference to its diameter.

Multiply the squared radius by pi to obtain the area of the circle (A = πr²).
4. Calculate the area (A): After completing the previous steps, you will have the area of the circle, measured in square units.
This formula is widely used in various fields, such as mathematics, physics, engineering, and design, where calculations involving circles and circular shapes are required.

Understanding and applying the area of a circle formula is an essential skill for solving problems related to circular objects and spaces.

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The similar triangle the value is AE=8m , EI=6m and AI=10m.

What is similar triangle?

Triangles with the same shape but different sizes are said to be similar triangles. Squares with any side length and all equilateral triangles are examples of related objects. In other words, if two triangles are similar, their corresponding sides are proportionality equal and their corresponding angles are congruent.

According to the question, we know that,

=> \(DE=\frac{1}{2}AE\)

=> AE = 2DE

Similarly EI=2EF and AI=2DF then,

=> AE=2*4=8m

=>EI=2*3=6m

=>AI=2*5=10m

Hence the value is AE=8m , EI=6m and AI=10m.

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Answer:

The answer is C)344 m2

Step-by-step explanation:

6 x 7 x 2

7 x 10 x 2

6 x 10 x 2

Answer:

its tricky but I think its 24

I'm nat sure at all

Answer:

64

Step-by-step explanation:

Answer:

\( \tan(10) (500)\)

=88.16 or 88.2

Answer:

x=88.16349 so 88.2 rounded to the nearest tenth

Step-by-step explanation:

I decided to be different . The angles are 90, 10 and 80 and we know 1 side is 500. I used the law of sines, \(\frac{a}{\sin \left(\alpha \right)}=\frac{b}{\sin \left(\beta \right)}=\frac{c}{\sin \left(\gamma \right)}\)

\(a=\frac{b\sin \left(α\right)}{\sin \left(β\right)}\)

\(A=10^{\circ \:}, B=80^{\circ \:},b=500\)

\(x=\frac{500\sin \left(10^{\circ \:}\right)}{\sin \left(80^{\circ \:}\right)}\)

\(x=88.16349...\)

Answer:

0.7 kg = $1

Step-by-step explanation:

7 kg - $10

? kg - $1

7 / 10 = 0.7

0.7 kg = $1

Let me know if I did something wrong :)

Answer:

7:10

Step-by-step explanation:

I do not know if this is a ratio problem but if this is than the answer is 7:10

Answer:

-0

Step-by-step explanation:

In the Screenshot...….

Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Have a wonderful day!

According to one research, 28 out of every 400 kids born in the globe suffer some form of serious birth problem. To execute a simulation based on this data, the easiest approach to assign random numbers is to use 00-06 (7%) to identify the newborns with birth abnormalities.

It is to be noted that:

The sum total of births is: 400

The sum of defective babies = 28

Hence, the fraction or ratio of this is:

28/400

= 7/100

= 7%.

The implication here is that that 07-99 (93%) will represent the babies without birth defects.

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Answer:

  (c)  f(-1) = 0

Step-by-step explanation:

For a given value of x, the table tells you the value of f(x). If you want to know the value of f(-1), you have to look for the line of the table that has x = -1.

That is the 2nd line of the table. It tells you f(-1) = 0.

1. The number of steps taken per day and the number of kilometers walked per day have a strong positive relationship (R = 0.92).

2. The temperature of a rubber band and the distance the rubber band can stretch have a strong positive relationship (R = 0.84).

3. The car weight and the distance traveled using a full tank of gas have a strong negative relationship (R = -0.86).

4. The score on a science exam and the number of words written on the essay question have a weak positive relationship (R = 0.28).

1. The correlation coefficient of 0.92 indicates a strong positive relationship between the number of steps taken per day and the number of kilometers walked per day. This means that as the number of steps increases, the distance walked in kilometers also increases. The correlation coefficient being close to 1 suggests a strong linear relationship between the variables.

2. The correlation coefficient of 0.84 suggests a strong positive relationship between the temperature of a rubber band and the distance it can stretch. This means that as the temperature of the rubber band increases, the distance it can stretch also increases. The correlation coefficient being close to 1 indicates a strong linear relationship between the variables.

3. The correlation coefficient of -0.86 indicates a strong negative relationship between car weight and the distance traveled using a full tank of gas. This implies that as the car weight increases, the distance traveled using a full tank of gas decreases. The negative correlation coefficient, close to -1, suggests a strong linear relationship in the opposite direction.

4. The correlation coefficient of 0.28 suggests a weak positive relationship between the score on a science exam and the number of words written on the essay question. This means that there is a positive association, but it is not very strong. The correlation coefficient being closer to 0 indicates a weaker linear relationship between the variables.

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Answer: y= 2x

Step-by-step explanation:

The linear function is y=mx+b

In this case, the m or slope is 2

And the b or y-intercept is 0

So we have the equation

y= 2x

Answer:

The larger angle is;

Explanation:

Given that the two woods are cut to form complementary angles.

Recall that complementary angles add up to 90 degrees.

Given the two angles as;

Solving the equation for x;

Since we have the value of x, we can the substitute to find the values of each angle;

Therefore, form the values of the two angles, the larger angle is;