What's the value of x

A. 24 square root of 3
B. 6
C. 12 square root of 3
E. 12

Answer:

In simplest form it would \(\frac{2}{3}\) or 0.66666666 and so on.

Answer:

2/3

Step-by-step explanation:

I can add a explenation soon, I’m in class

Answer:

Step-by-step explanation:

V = pi * r^2 * h

V = pi * 4^2 * 8

V = pi * 16 * 8

V = pi * 128

or

V = 401.92

Answer: D. 9

Step-by-step explanation:

Answer:

3.44571

Step by step explanation:

3.44570830811

8 is the number next to the place value of hundred-thousandth, so we round it up to 1 and add it to 0

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Answer:

No, a square is NOT the cross section of a rectangular and triangular prism.

Step-by-step explanation:

Prisms have a uniform cross-section and are named after their cross-section. Hence, the cross-section of a rectangular prism is a rectangle and the cross-section of a triangular prism is a triangle. The only prism with a square cross-section is a cube.

Answer:

1 does not represent a function, but 2 and 3 do

Step-by-step explanation:

1 is not a function because there are multiple points, with the same x value. 2 and 3 are functions because there are not multiple points with the same x value

The approximate length of the actual object is 1465 ft, which is closest to option D.

The ratio of the scale of an original thing to a new object that is a representation of it but of a different size is known as a scale factor (bigger or smaller).

First, let's convert the length of the model from millimeters to inches:

372.5 mm = 372.5/10 cm = 37.25/2.54 in ≈ 14.65 in

Next, we can use the scale of the model to find the length of the actual object in feet:

0.5 in. = 50 ft.

So, 1 in. = 100 ft.

Therefore, the length of the actual object in feet is:

14.65 in x (100 ft/in) = 1465 ft

Therefore, the closest length is 1467 feet.

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Answer:

4\(\sqrt{5}\)

Step-by-step explanation:

the third leg is of the length 4\(\sqrt{5}\)

Answer:

16:19

Step-by-step explanation:

Answer:

3. Speed

Step-by-step explanation:

acceleration is measured in m/s^2

velocity is speed plus direction

speed in measured in m/s

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Answer:

x=20

Step-by-step explanation:

3x+15=4x-5

20=x

The initial population of lynx on the island is 1000 lynx.

To find the initial population of lynx on the island, we need to look at the equation for P(t) when t = 0.

This is because t represents the time since observations of the island began, so when t = 0, this is the starting point of the observations.

Therefore, we can substitute t = 0 into the equation for P(t):
P(0) = 121(0) - 0.4(0)⁴ + 1000
P(0) = 0 - 0 + 1000
P(0) = 1000

So the initial population of lynx on the island is 1000 lynx.

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Answer:

I hope that it will be help full for u

Step-by-step explanation:

As we know the equation of line is ,

As given

slope=m=-2/5

also given (x, y)= (-5, 7)

we get   x=-5  , y=7

putt in the equation of line all these values we get ,

7=(-2/5)(-5) +c

c=7-2

c=5   now putt the value of c and m  in equation of line we will get ,required equation of line

Using slope intercept form, the equation of the line that passes through the point (-5,7) and has a slope of -2/5 is y = - 2/5x + 5.

The equation of the "straight line is in the form y = mx + b where 'm' is the slope of the line, 'b' is the y - intercept form" is called slope intercept form.

According to the question,

The line passes through the point (-5,7) and has slope of -2/5,

The equation of the straight line y = m x + c. Substitute (-5,7) and slope -2/5 in general equation we have 7 = -2/5 (-5) + c

7 = 2 + c

c = 7-2

c = 5

Hence, using slope intercept form, the equation of the line that passes through the point (-5,7) and has a slope of -2/5 is y = - 2/5x + 5.

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(i) The augmented matrix for the given system of linear equations is:

[1 2 0 2]

[0 1 -1 1]

[2 3 1 3]

(ii) To reduce the augmented matrix to reduced-row echelon form, we perform the following row operations:

R2 → R2 + (-1)*R1/2 (subtract half of R1 from R2)

R3 → R3 + (-2)*R1 (subtract twice of R1 from R3)

R3 → R3 + (-3)*R2 (subtract three times of R2 from R3)

R2 → R2/(-1) (divide R2 by -1 to make the leading entry 1)

The resulting reduced-row echelon form is:

[1 0 0 1]

[0 1 0 1]

[0 0 1 0]

(iii) The reduced-row echelon form has a leading 1 in each row and column, which indicates that the system has a unique solution. The solution is:

x = 1, y = 1, z = 0.

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Answer:

8

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

48/6=8

Answer:

Divide the numbers of calories by the servings

Step-by-step explanation:

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

The number of calories in each case will be the same that is 90 calories in each serving.

A ratio is a group of sequentially ordered numbers a and b expressed as a/b, where b is never equal to zero. When two objects are equal, a statement is said to be proportional.

270 calories in 3 serving 450 calories in 5 severings.

Then the number of calories in each case will be given as,

In the first case, then we have

⇒ 270 / 3

⇒ 90 calories in each serving

In the second case, then we have

⇒ 450 / 5

⇒ 90 calories in each serving

The number of calories in each case will be the same that is 90 calories in each serving.

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The point on the graph that shows the price of 2 ounces of medicine, given the formula, is 4 currency units.

The graph shows the relationship between the ounces of medicine and the price of those ounces in the formula y = 2 x. The value of x in this instance, is the number of ounces of medicine to be sold.

The value of y would be the price of those two ounces to be sold. The formula, y = 2 x means that the price of a single ounce of medicine, is 2 currency units.

For 2 ounces therefore, the price is:

y = 2 x

y = 2 x 2

y = $ 4

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✨Answer:✨

A. 50

✨Step-by-step explanation:✨

3,500 ÷ 70 = 50

Check if answer is correct:

70 x 50 = 3,500

The Retail Positioning Matrix is a tool used in retail marketing that helps to visualize and evaluate potential positioning strategies. It is composed of two main dimensions: price and quality.

While quality relates to the perceived value of a product or service in terms of its features, advantages, and performance, price is the amount of money consumers are prepared to pay for a good or service.

High price/high quality, high price/poor quality, low price/high quality, and low price/low quality are the four quadrants that the matrix divides price and quality into.

Retailers can choose which positioning approach will work best in a particular market by looking at each of these four quadrants, which each feature a different positioning strategy.

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Answer:

8.2

Step-by-step explanation:

the bigger numbers are 9.21 and 9.73 because they have a higher number and 8.9 and 8.2 are the lower ones but 9 is a bigger number than 2.

Freud is a stage theorist. Sigmund Freud, the renowned Austrian neurologist and psychoanalyst, is widely recognized as one of the pioneers in the field of psychoanalysis.

He proposed a developmental theory that included psychosexual stages of development. According to Freud, human development progresses through distinct stages, each characterized by a specific focus on different erogenous zones. These stages include the oral stage, stage, phallic stage, latency stage, and genital stage. Freud believed that the way individuals navigate these stages influences their personality and psychological well-being in adulthood.

Although Freud's stage theory has been critiqued and modified over time, his ideas regarding the importance of early childhood experiences and unconscious processes have had a profound impact on psychology and continue to shape our understanding of human development.

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Answer:

False, 82 inches is not greater than 5 feet and 10 inches

Step-by-step explanation:

1 feet = 12 inches

5x12=60+10=70

82 is greater than 70.

Work Shown:

\(\displaystyle \int \sin(x) dx = -\cos(x)+C\\\\\displaystyle \int f(x)dx = g(x)+C\\\\\displaystyle \int_{a}^{b} f(x)dx = g(b)-g(a)\\\\\displaystyle \int_{0}^{\pi} f(x)dx = g(\pi)-g(0)\\\\\displaystyle \int_{0}^{\pi} \sin(x) dx = -\cos(\pi)-(-\cos(0))\\\\\)

\(\displaystyle \int_{0}^{\pi} \sin(x) dx = -\cos(\pi)+\cos(0)\\\\\displaystyle \int_{0}^{\pi} \sin(x) dx = -(-1)+1\\\\\displaystyle \int_{0}^{\pi} \sin(x) dx = 1+1\\\\\displaystyle \int_{0}^{\pi} \sin(x) dx = 2\\\\\)

The area is 2 square units. You can use WolframAlpha or GeoGebra to confirm.

Answer:

(4, - 2 )

Step-by-step explanation:

7x + 2y = 24 → (1)

x + 2y = 0 ( subtract 2y from both sides )

x = - 2y → (2)

substitute x = - 2y into (1)

7(- 2y) + 2y = 24

- 14y + 2y = 24

- 12y = 24 ( divide both sides by - 12 )

y = - 2

substitute y = - 2 into (2)

x = - 2(- 2) = 4

solution is (4, - 2 )

The pooled sample variance, rounded to 2 decimal places, is 7,316.22.

To find the pooled sample variance of the two samples from populations A and B, follow these steps,

1. Calculate the weighted variance for each sample:
  - For sample A: (Sample size A - 1) * Sample variance A = (18 - 1) * 8490 = 17 * 8490 = 144,330
  - For sample B: (Sample size B - 1) * Sample variance B = (21 - 1) * 6330 = 20 * 6330 = 126,600

2. Calculate the total degrees of freedom:
  - Total degrees of freedom = (Sample size A - 1) + (Sample size B - 1) = 17 + 20 = 37

3. Calculate the pooled sample variance:
  - Pooled sample variance = (Weighted variance A + Weighted variance B) / Total degrees of freedom = (144,330 + 126,600) / 37 ≈ 7,316.22

The pooled sample variance, rounded to 2 decimal places, is 7,316.22.

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The answers are:

a) The z-score for a light bulb that lasts 500 hours is -10.

b) For a sample of 20 light bulbs, the probability that the average lifespan will be less than 980 hours is approximately 0.0367, or 3.67%.

c) The z-score for a light bulb that lasts 400 hours is -12. This is even more unusual than a lifespan of 500 hours.

d) Given the lifespan follows a normal distribution with a mean of 1000 hours, 50% of the light bulbs will have a lifespan less than 1000 hours.

a) The z-score is calculated as:

z = (X - μ) / σ

Where X is the data point, μ is the mean, and σ is the standard deviation. Here, X = 500 hours, μ = 1000 hours, and σ = 50 hours. So,

z = (500 - 1000) / 50 = -10.

The z-score for a bulb that lasts 500 hours is -10. This is far from the mean, indicating that a bulb lasting only 500 hours is very unusual for this brand of bulbs.

b) If a customer buys 20 of these light bulbs, we're now interested in the average lifespan of these bulbs. . In this case, n = 20, so the standard error is

50/√20

≈ 11.18 hours.

z = (980 - 1000) / 11.18 ≈ -1.79.

The probability that z is less than -1.79 is approximately 0.0367, or 3.67%.

c) The z-score for a bulb with a lifespan of 400 hours can be calculated as:

z = (400 - 1000) / 50 = -12.

The probability associated with z = -12 is virtually zero. So the probability of getting a bulb with a mean lifespan of 400 hours is virtually zero.

d) The mean lifespan is 1000 hours, so half of the light bulbs will have a lifespan less than 1000 hours. Since the lifespan follows a normal distribution, the mean, median, and mode are the same. So, 50% of light bulbs will have a lifespan less than 1000 hours.

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Answer:

1/216

Step-by-step explanation:

Main answer:Long multiplication is a method of multiplying two difficult-to-multiply numbers.

supporting answer:

what is multiple long?

Finding the product is not always this simple. In such cases, the long method of multiplication is used.

body of the answer:

let us understand long multiplication by taking an example

     6.Add the two partial products

final answer: by following above steps we can perform long multiplication

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Long multiplication is a method of multiplying two difficult-to-multiply numbers.

What is multiple long?

Finding the product is not always this simple. In such cases, the long method of multiplication is used.

Let us understand long multiplication by taking an example

1. Write the two numbers one beneath the other in the order of their digits. On top, write the larger number, and on the left, a multiplication sign.

2. Multiply the top number's one digit by the bottom number's one digit.

3. Put a 0 below the one's digit,

4. Multiply the top number's ones digit by the bottom number's tens digit.

5. Multiply the top number's tens digit by the bottom number's tens digit.

6. Add the two partial products

By following the above steps we can perform long multiplication

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