A 2 column by 10 row table. column 1 is titled how energy is used with the following entries: computers, cooking, electronic, lighting, refrigeration, space cooling, space heating, water heating, wet cleaning, other. column 2 is titled energy used in percent with the following entries: 2, 4, 5, 6, 4, 9, 45, 18, 3, 7. a carbon footprint is a measure of the amount of carbon human activities, like using energy, release into the atmosphere. which activity would help decrease the greatest carbon-releasing activity in us homes? limiting time in hot showers wearing layers of clothing turning off lights when leaving a room unplugging electronics when not in use

Answers

Answer 1

Limiting space heating would help decrease the greatest carbon-releasing activity in US homes.

From the table, we can see that space heating accounts for the largest percentage of energy use in US homes at 45%. Therefore, by limiting space heating, we can significantly reduce the amount of carbon released into the atmosphere, thus decreasing our carbon footprint.

Other activities like limiting time in hot showers, wearing layers of clothing, and turning off lights and electronics when not in use can also help reduce our carbon footprint, but they are not as effective as limiting space heating.

Additionally, we can consider using energy-efficient heating systems, improving insulation, and reducing air leaks to further reduce our energy use and carbon footprint.

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Related Questions

For thousands of years, gold has been considered one of the Earth's most precious metals. One hundred percent pure gold is 24-karat gold, which is too soft to be made into jewelry. Most gold jewelry is 14-karat gold, approximately 58% gold. If 18 karat-gold is 75% gold and 12-karat gold, how much of each should be used to make a 14-karat gold bracelet weighing 500 grams

Answers

The solution is: 14 karat gold is 58.3333...% gold

We have given that;

75% gold and 50% gold and we need to make 200 grams of 58.3333...% gold.

Since, A percentage is a number or ratio that can be expressed as a fraction of 100. A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%", although the abbreviations "pct.", "pct" and sometimes "pc" are also used. A percentage is a dimensionless number; it has no unit of measurement.

Here, we have,

A) x + y = 200

B) .75x + .50y = ( (14/24) * 200)

We multiply equation B) by -1.3333... and get

B) -x -.6666...y = -155.5555... then adding A)

A) x + y = 200  we get

.3333...y = 44.4444...

y = 133.3333... grams 12 karat gold

x = 66.6666... grams  18 karat gold

Double-Checking the answer

133.3333... * .5 = 66.6666...

66.6666 * .75 = 50.0000...

Hence, Concentration of final solution = (66.6666... + 50) / 200 = 58.3333...% which is 14 karat gold

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solve the equation

(2\3)to the power of X=16\81

Answers

By Solving for x , X=4

Solve the quadratic function by factoring x^2 +10x+9-0

Answers

The solution for the quadratic function by factoring x^2 +10x+9-0 is x = -1 and x = -9.

Given that the equation is x^2 +10x+9-0.

To solve the quadratic equation x^2 + 10x + 9 = 0 by factoring, follow the steps given below:

First we need to find two numbers that multiply to 9 and add to 10. These numbers are 1 and 9:

x^2 + 10x + 9 = (x + 1)(x + 9)

So the solutions to the equation are the values of x that make each factor equal to zero:

x + 1 = 0 or x + 9 = 0

Solving for x in each case, we get:

x = -1 or x = -9

Therefore, the solutions to the quadratic equation x^2 + 10x + 9 = 0 are  x = -1 and x = -9.

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Prove that triangle FGH is right-angled at F

Answers

Triangle FGH is a right triangle because (HG)²= (FG)²+ (FH)²

What are similar triangles?

Similar triangles are triangles that have the same shape, but their sizes may vary. The ratio of corresponding sides of similar triangles are equal.

Therefore;

6/5 = 3.6/FH

represent FH by x

6/5 = 3.6/x

6x = 5 × 3.6

6x = 18

divide both sides by 6

x = 18/6 = 3

Since FH is 3, this means that the sides of triangle FGH are Pythagorean triple, hence FGH is a right triangle.

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Which correctly compares the numbers? 158,364 > 158,379 > 158,397 158,364 > 158,379 > 158,397 518,317 > 518,246 > 518,197 518,317 > 518,246 > 518,197 290,061 > 289,937 > 290,324 290,061 > 289,937 > 290,324 678,200 > 678,194 > 678,227

Answers

The correct comparison of the numbers is:

678,200 > 678,194 > 678,227

Therefore, the answer is the last option, "678,200 > 678,194 > 678,227".

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Complete the interest table below.

Answers

The second-period interest is approximately $13.61, and the second-period amount is approximately $927.11.

How to solve

To find the second-period interest and amount, we first need to determine the quarterly interest rate, since the interest compounds quarterly.

Quarterly interest rate =[tex](1 + Annual interest rate)^(1/4) - 1[/tex]

= [tex](1 + 0.06)^(1/4) - 1[/tex]

≈ 0.014889

Second-period interest:

Calculate the new principal after the first period.

Principal_after_1st_period = Principal + First period interest

= $900 + $13.50

= $913.50

Calculate the second-period interest.

Second_period_interest = Principal_after_1st_period × Quarterly interest rate

= $913.50 × 0.014889

≈ $13.61

Second-period amount:

Second_period_amount = Principal_after_1st_period + Second_period_interest

= $913.50 + $13.61

≈ $927.11

The second-period interest is approximately $13.61, and the second-period amount is approximately $927.11.

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A bag contains 4 white, 3 blue, and 5 red marbles. Find the probability of choosing a red marble, then a white marble if the marbles were replaced.

Answers

The probability of choosing a red marble, then a white marble is 5/36

Finding the probability of choosing a red marble, then a white marble

From the question, we have the following parameters that can be used in our computation:

A bag contains 4 white, 3 blue, and 5 red marbles

If the marbles were replaced, then we have

P(Red) = 5/12

P(White) = 4/12

So, we have

The probability of choosing a red marble, then a white marble  is

P = 5/12 * 4/12

Evaluate

P = 5/36

Hence, the probability of choosing a red marble, then a white marble is 5/36

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A piece of equipment costs $75,000 new but depreciates 12% per year in each succeeding year . Find its value after 8 years

Answers

The equipment's value after 8 years, given its original value was $75,000 and it depreciates by 12% each year, is approximately $27,506.62.

To find the value of the equipment after 8 years, we need to calculate its value at the end of each year, taking into account the 12% depreciation per year.

At the end of year 1, the equipment will be worth 88% of its original value

Value at end of year 1 = 0.88 x $75,000 = $66,000

At the end of year 2, the equipment will be worth 88% of its value at the end of year 1

Value at end of year 2 = 0.88 x $66,000 = $58,080

We can continue this process for each year

Value at end of year 3 = 0.88 x $58,080 = $51,206.40

Value at end of year 4 = 0.88 x $51,206.40 = $45,065.91

Value at end of year 5 = 0.88 x $45,065.91 = $39,654.02

Value at end of year 6 = 0.88 x $39,654.02 = $34,991.23

Value at end of year 7 = 0.88 x $34,991.23 = $31,191.80

Value at end of year 8 = 0.88 x $31,191.80 = $27,506.62

Therefore, the value of the equipment after 8 years is $27,506.62.

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Consider the histogram shown in the figure.
Which best describes the histogram?
Skewed left
Skewed right
symmetric
Vertical

Thank you!!!

Answers

I'm sorry, i don't have access to the histogram you are referring to. Please provide more information or attach the image so I can help you better.

Topic: Writing
Progress:
The movement of the progress bar may be uneven because questions can be worth more or less (including zero) depending on your answer
Read the narrative prompt:
Write an essay about something you do for your well-being.
Which of the choices is the best implied thesis statement for the prompt? (Remember that an implied thesis statement is an
overall idea or belief that a writer uses as the basis of the essay but never states directly in the writing.)
O I will write about why doctors say to drink eight glasses of water a day.
O Running can actually be bad for your health.
O
Exercising is really good for you. No matter who you are, you need to exercise every single day to be healthy and feel
good.
O Managing stress is important for overall well-being because the physical and emotional effects of stress are harmful.
Submit
Question ID: 749841
Pass
Save and close

Answers

The best implied thesis statement for the given prompt "Write an essay about something you do for your well-being" is: "Managing stress is important for overall well-being because the physical and emotional effects of stress are harmful." (Option D).

What is Thesis Statement?

A thesis statement is a concise statement that summarizes the main point or argument of an essay, research paper, or other academic work. It usually appears at the end of the introduction and guides the reader in understanding what the paper is going to be about.

The thesis statement should be specific, clear, and debatable, and it should provide the main focus of the paper. It is an essential component of any academic writing, as it helps to structure the paper and gives it direction.

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Which ordered pair could be the y intercept of a function?

Answers

Answer:

C) (0,1)

Step-by-step explanation:

What is a y-intercept?

A y-intercept is a value when x=0, so up and down the y-axis of a graph.

Given this, we can see that x must be equal to 0 to have a y-intercept number.

The first option, (1,1), is located in the first quadrant, making this incorrect.

The second option, (1,0) is when y=0, so the point would be on the x-axis, making this also incorrect.

The third option, (0,1), is when x=0, meaning that the point would be on the y-axis, making this the correct option.

Hope this helps! :)

Awnser is C but make sure to turn your camera around next time because it is upside down and hard to read

Find the sum of first seven terms of 5+11+17......​

Answers

Step-by-step explanation:

d = a2 - a1

d = 11 - 5

d = 6

[tex]Sn \: = \frac{n}{2} (2a1 + (n - 1)d) \\ S7 = \frac{7}{2} (2 \times 11 + (7 - 1)6) \\ S7 = \frac{7}{2} (22 + 36) \\ S7 = \frac{7}{2} \times 58 \\ S7 = 7 \times 29 \\ S7 = 203[/tex]

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PLEASE HELP!!!!!!! Line M is represented by the following equation: x + y = −1 What is most likely the equation for line P so the set of equations has infinitely many solutions? (4 points) Question 5 options: 1) 2x + 2y = 2 2) 2x + 2y = 4 3) 2x + 2y = −2 4) x − y = 1

Answers

The equation for line P such that the system has an infinite number of solutions is given as follows:

3) 2x + 2y = -2.

How to obtain the equation?

The first equation for the system of equations is given as follows:

x + y = -1.

A system of equations has an infinite number of solutions when the two equations are multiples.

Multiplying the equation by 2, we have that:

2x + 2y = -2.

Meaning that equation 3 is correct.

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If f(x) = 3(5") + x and g(x) = 3cos(x), what is (f9)'()? O (3(5*) In(5) + 1)(3cos(x)) + (3(5") + x)(sin(x)) O (3(5") In(5) + 1)(3sin(x)) O (3(5") In(5) + 1)(-3sin(x)) O (3(5) In(5) + 1)(3cos(x)) + (3(5") + x)(-3sin(x))

Answers

The derivative of (f∘g)(x) can be found using the chain rule, which states that the derivative of (f∘g)(x) is (f'(g(x)))(g'(x)).

In this case, (f∘g)(x) = f(g(x)) = 3(5^x) + 3cos(x), so we need to find f'(g(x)) and g'(x) and then multiply them together. The derivative of f(x) is f'(x) = 15^x * ln(5) + 1, so the derivative of f(g(x)) with respect to g(x) is f'(g(x)) = 15^(g(x)) * ln(5) + 1. The derivative of g(x) is g'(x) = -3sin(x). Therefore, using the chain rule, we have:(f∘g)'(x) = f'(g(x)) * g'(x) = (15^(g(x)) * ln(5) + 1) * (-3sin(x))Substituting g(x) = 3cos(x), we get:(f∘g)'(x) = (15^(3cos(x)) * ln(5) + 1) * (-3sin(x))So the correct answer is: (3(5^3cos(x)) ln(5) + 1) * (-3sin(x))

For more similar questions on topic a) The intervals for which f(x) = -5.5sin(x) + 5.5cos(x) is concave up and concave down on [0,2π] can be found by analyzing the second derivative of the function. Taking the second derivative of f(x), we get:

f''(x) = -5.5cos(x) - 5.5sin(x)

To find the intervals of concavity, we need to determine where f''(x) is positive and negative.

When f''(x) > 0, the function is concave up. When f''(x) < 0, the function is concave down.

Setting f''(x) = 0, we get:

-5.5cos(x) - 5.5sin(x) = 0

Simplifying, we get:

cos(x) + sin(x) = 0

Solving for x, we get:

x = 3π/4, 7π/4

These are the possible points of inflection for the function.

Using test intervals, we can determine the intervals of concavity:

When 0 ≤ x < 3π/4 or 7π/4 < x ≤ 2π, f''(x) < 0, so f(x) is concave down.

When 3π/4 < x < 7π/4, f''(x) > 0, so f(x) is concave up.

b) The possible points of inflection for f(x) on [0,2π] are x = 3π/4 and x = 7π/4. To find the coordinates of these points, we can substitute each value of x into the original function f(x):

f(3π/4) = -5.5sin(3π/4) + 5.5cos(3π/4) = 5.5√2 - 5.5√2/2 = 5.5√2/2

So the coordinates of the point of inflection at x = 3π/4 are (3π/4, 5.5√2/2).

Similarly, we can find the coordinates of the point of inflection at x = 7π/4:

f(7π/4) = -5.5sin(7π/4) + 5.5cos(7π/4) = -5.5√2 - 5.5√2/2 = -5.5(3/2)√2

So the coordinates of the point of inflection at x = 7π/4 are (7π/4, -5.5(3/2)√2).

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Right tailed area if the confidence interval is 75%

Answers

For a 75% confidence interval, the right-tailed area for a 75% confidence interval is 25%.

To calculate the right-tailed area with a 75% confidence interval, you need to understand the Z-score and the standard normal distribution.

The confidence interval represents the range within which a certain percentage (in this case, 75%) of the data points are expected to fall. Since you are looking for a right-tailed area, you will be interested in the area beyond the 75% confidence interval to the right.

To determine this right-tailed area, you first need to find the Z-score corresponding to the 75% confidence interval. Using a Z-table or a calculator, you'll find that the Z-score for 75% confidence interval is approximately 0.674.

Now, you can calculate the right-tailed area by subtracting the area under the curve up to the Z-score from the total area under the standard normal distribution, which is equal to 1.

Right-tailed area = 1 - 0.75 = 0.25 or 25%

So, the right-tailed area for a 75% confidence interval is 25%.

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Nicole has 28 nickels and dimes that amount to $1. 85 how many of each coin does she have

Answers

Answer:

Nicole has 9 dimes and 19 nickels.

Nicole has 9 dimes and 19 nickels.

It is kinda hard but just try it

Answers

Answer:

we 1st can get the weight of rat by

1 rat and 1 cat + 1 dog and rat = 30

2 rat + 1 cat + 1 dog = 30

Then 1 rat and cat measure 24 so

2 rat + 24 =30

2 rat + 24 =30 1 rat = 3 kg

2 rat + 24 =30 1 rat = 3 kg 1 cat + 1 rat = 10

2 rat + 24 =30 1 rat = 3 kg 1 cat + 1 rat = 101 cat + 3kg = 10

2 rat + 24 =30 1 rat = 3 kg 1 cat + 1 rat = 101 cat + 3kg = 101 cat = 7kg and

2 rat + 24 =30 1 rat = 3 kg 1 cat + 1 rat = 101 cat + 3kg = 101 cat = 7kg and 1 dog + 1 rat = 20 kg

2 rat + 24 =30 1 rat = 3 kg 1 cat + 1 rat = 101 cat + 3kg = 101 cat = 7kg and 1 dog + 1 rat = 20 kg 1 dog + 3kg = 20 kg

2 rat + 24 =30 1 rat = 3 kg 1 cat + 1 rat = 101 cat + 3kg = 101 cat = 7kg and 1 dog + 1 rat = 20 kg 1 dog + 3kg = 20 kg 1 dog = 17kg

so we get the weight of each now we r going to sum them 1 rat + 1 cat + 1 dog = x

1 rat + 1 cat + 1 dog = x 3 kg + 7 kg + 17 kg = x

1 rat + 1 cat + 1 dog = x 3 kg + 7 kg + 17 kg = x 27 kg = x ..... is the mass of 3 of them

Rat=3kg cat=7kg dog=17kg all three combined = 27kg

Your parents decide that they will help you out the first two months you are at college
by helping you buy groceries for your meals, but they won't cover the cost of you going
out to eat at restaurants or fast food.
for the first month you submit your receipts, 13 are for fast food and four for kroger, and
totaled $487. the second month you submit receipts for six fast food meals and two for
kroger, and totaled $232. the receipts do not list the per-item price.
a. write the two equations for the cost of buying groceries and meals. (4 points)
• 13f + 4k = 487
• 65+2k = 232
i
b. what were the average costs of one fast food meal and of one trip to kroger?
show your work and justify your thinking. (6 points)

Answers

a. The two equations for the cost of buying groceries and meals are 13f + 4k = 487 and 65+2k = 232

b. The average costs of one fast food meal and of one trip to kroger is $77.33

To calculate the average cost, we divide the total cost by the number of meals or trips. For example, in the first month, the total cost of fast food meals and grocery trips was $487, and there were 13 fast food meals and 4 grocery trips. Therefore, the average cost of a fast food meal can be calculated by dividing the total cost of fast food meals ($487) by the number of fast food meals (13):

Average cost of a fast food meal = $487 / 13 = $37.46

Similarly, we can calculate the average cost of a grocery trip in the first month by dividing the total cost of grocery trips ($487 - total cost of fast food meals) by the number of grocery trips (4):

Average cost of a grocery trip = ($487 - $37.46 x 13) / 4 = $89.38

Using the same method, we can calculate the average cost of a fast food meal and a grocery trip in the second month. In the second month, the total cost of fast food meals and grocery trips was $232, and there were 6 fast food meals and 2 grocery trips. Therefore, the average cost of a fast food meal is:

Average cost of a fast food meal = $232 / 6 = $38.67

And the average cost of a grocery trip is:

Average cost of a grocery trip = ($232 - $38.67 x 6) / 2 = $77.33

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how much money do winners go home with from the television quiz show jeopardy? to determine an answer, a random sample of winners was drawn and the amount of money each won was recorded and listed below. estimate with 98% confidence the mean winning's for all the show's players. 256592886121164159762297615479276802828316105181371690216879240102008815149

Answers

The mean winnings for all of the show's contestants can be estimated with 92% certainty. 35014.48385 is the lower bound, while 40669.38281 is the upper bound.            

Lower Bound = [tex]X - t(\alpha/2) * s / \sqrt{(n)[/tex]            

Upper Bound = [tex]X + t(\alpha/2) * s / \sqrt{(n)[/tex]

               

where                

[tex]\alpha/2 = (1 - confidence\: level)/2 = 0.04 \\ X = sample\: mean = 37841.93333 \\ t(\alpha/2) = critical\: t \:for \:the\: confidence\: interval = 1.887496145 \\ s = sample\: standard\: deviation = 5801.688541 n = sample\: size = 15 \\ df = n - 1 = 14[/tex]          

Thus,          

Lower bound =     35014.48385            

Upper bound =     40669.38281            

A lower bound refers to the smallest possible value or limit that a given quantity or parameter can take. In various fields of mathematics and computer science, lower bounds are used to establish limits on the performance of algorithms, the complexity of computational problems, and the amount of resources required to solve a problem. This information can be useful in developing more efficient algorithms or determining the practicality of a given approach.

Lower bounds are useful for understanding the fundamental limits of a system or process. By establishing a lower bound, researchers and practitioners can better understand the potential of a given technology or approach, and can work to optimize it within the constraints imposed by the lower bound.

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Complete Question:-

How much money do winners go home with from the television quiz show Jeopardy? To determine an answer, a random sample of winners was drawn and the amount of money each won was recorded and listed below. Estimate with 92% confidence the mean winning's for all the show's players.

30692 43231 48269 28592 28453

36309 45318 36362 42871  39592

35456 40775 36466 36287 38956

Lower confidence level (LCL) = ?

Upper confidence level (UCL) = ?

(n+3)!/(n+1)! please help immediately

Answers

Answer:

(n + 3)(n + 2) or n² + 5n + 6

------------------

The factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n:

n! = n × (n - 2) × (n - 3) × ... × 2 × 1

As per above mentioned definition we see that:

(n + 3)! = (n + 3) × (n + 2) × (n + 1)!

Hence the quotient of (n + 3)! and (n + 1)! is:

(n + 3)(n + 2) or n² + 5n + 6

a machine in a manufacturing plant has on the average two breakdowns per month. find the probability that during the next three months it has (a) at least five breakdowns, (b) at most eight breakdowns, (c) more than five breakdowns.

Answers

The probability that during the next three months it has;

(a) at least five breakdowns is 0.036.(b) at most eight breakdowns is 0.00085.(c) more than five breakdowns is 0.012.

Probability refers to potential. A random event's occurrence is the subject of this area of mathematics. The range of the value is 0 to 1. Mathematics has included probability to forecast the likelihood of certain events.

The degree to which something is likely to happen is basically what probability means. You will understand the potential outcomes for a random experiment using this fundamental theory of probability, which is also applied to the probability distribution.

The plant has on the average two breakdowns per month,

so the Poisson distribution is,

[tex]P(X=k) = \frac{e^{-\lambda} \lambda^k}{k!}[/tex]

where,

X is the random variable representing the number of events

λ is the average rate at which the events occur

k is the number of events that occur

a)  at least five breakdowns

[tex]P(X=k) = \frac{e^{-\lambda} \lambda^k}{k!}[/tex]

P(X =5) = [tex]\frac{e^{-2} 2^5}{5!}[/tex]

= 0.036

Thus, probability that at least five breakdowns in three months is 0.036.

b)  at most eight breakdowns

[tex]P(X=k) = \frac{e^{-\lambda} \lambda^k}{k!}[/tex]

[tex]P(X=8) = \frac{e^{-2} 2^8}{8!}[/tex]

= 0.00085.

Therefore, probability of at most eight breakdowns is 0.00085.

c) more than five breakdowns.

[tex]P(X=k) = \frac{e^{-\lambda} \lambda^k}{k!}[/tex]

P(X = 6) = [tex]\frac{e^{-2} 2^6}{6!}[/tex]

=0.012

Therefore, probability of more than five breakdowns is 0.012.

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Pls help me find the exponent

Answers

Answer:

1.6 × 10^4

Step-by-step explanation:


Complete the sentence.
The focus so far has been on similar triangles, but there are also theorems that deal with similar

Answers

The focus so far has been on similar triangles, but there are also theorems that deal with similar polygon

Completing the sentence

Theorems of similar triangles are important properties that hold true for any pair of similar triangles. Some of the most commonly used theorems are:

AA Similarity Theorem: If two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar.

SSS Similarity Theorem: If the three sides of one triangle are proportional to the three corresponding sides of another triangle, then the triangles are similar.

SAS Similarity Theorem: If two sides of one triangle are proportional to two sides of another triangle and the included angles are congruent, then the triangles are similar.

These theorems are also applicable to similar polygons

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The focus so far has been on similar triangles, but there are also theorems that deal with similar polygons.

Find the divergence of vector fields at all points where they are defined.
div ( (2x^2 - sin(x2)) i + 5] - (sin(X2)) k)

Answers

The divergence of the given vector field at all points where it's defined is div [tex]F = 4x - 2x × cos(x^2).[/tex]

To find the divergence of the given vector field at all points where it's defined, we will use the following terms:

divergence, vector field, and partial derivatives.

The given vector field is[tex]F = (2x^2 - sin(x^2)) i + 5j - sin(x^2) k.[/tex]

To find the divergence of F (div F), we need to take the partial derivatives of each component with respect to their

respective variables and then sum them up. So, div [tex]F = (∂(2x^2 - sin(x^2))/∂x) + (∂5/∂y) + (∂(-sin(x^2))/∂z)[/tex].

Find the partial derivative of the first component with respect to x:

[tex]∂(2x^2 - sin(x^2))/∂x = 4x - 2x × cos(x^2)[/tex] (applying chain rule).

Find the partial derivative of the second component with respect to y:

∂5/∂y = 0 (since 5 is a constant).

Find the partial derivative of the third component with respect to z:

[tex]∂(-sin(x^2))/∂z = 0[/tex] (since there is no z variable in the component).

Sum up the partial derivatives:

[tex]div F = (4x - 2x × cos(x^2)) + 0 + 0 = 4x - 2x × cos(x^2).[/tex]

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Solve the following equations by equating the coefficients

2x-y=3 ; 9x-3y=9

Answers

Solving the system of equations 2x-y=3 and 9x-3y=9 by equating the coefficients gives x=2 and y=1.

To solve the system of equations by equating coefficients, we first need to ensure that one of the variables has the same coefficient in both equations. In this case, we can multiply the first equation by 3 to get 6x-3y=9.

Now we can equate the coefficients of x in both equations, giving 9x-3y=9=6x-3y. Simplifying this equation, we get 3x=3, or x=1. Substituting this value of x into either equation gives y=2x-3=2(1)-3=-1. Therefore, the solution to the system of equations is x=2 and y=1.

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BRANLYIST IF YOU ASWER ALL 5 RIGHT

1. How many students chose walking as their preferred method of transportation?
A 6
B 3
C 9
D none of these

2. How many total students participated in the survey?
A 10
B 20
C 15
D none of these

3. What percentage of the total students chose skateboarding?

A 10%
B 20%
C 30%
D none of these

4. What percentage of the boys chose walking?

A 30%
B 45%
C 25%
D none of these

5. What percentage of the students who chose biking were girls?

A 30%
B 37. 5%
C 45%
D none of these​

Answers

1. The number of students choosing walking as their preferred method of transportation is 9. Therefore, the correct option is C.

2. The total students participated in the survey are 20. Therefore, the correct option is B.

3. The percentage of the total students choosing skateboarding is 10%. Therefore, the correct option is A.

4. The percentage of the boys choosing walking is 30%. Therefore, the correct option is A.

5. The percentage of the students who chose biking were girls is 37.5%. Therefore, the correct option is B.

1. The number of students who chose walking as their preferred method of transportation based on the information provided is 9. The total number of students who chose walking is given as 9 (3 boys + 6 girls). Hence the correct answer is option C.

2. The total students who participated in the survey based on the information provided are 20. The total number of students is given as 20 (10 boys + 10 girls). Hence the correct answer is option B.

3. The percentage of the total students who chose skateboarding based on the information provided is 10%. 3 students chose skateboarding out of 20 total students, so the percentage is (3/20) * 100% = 10%. Hence the correct answer is option A.

4. The percentage of the boys who chose walking based on the information provided is 30%. 3 boys chose walking out of 10 total boys, so the percentage is (3/10) * 100% = 30%. Hence the correct answer is option A.

5. The percentage of the students who chose biking were girls based on the information provided is 37.5%. 3 girls chose biking out of 8 total students who chose biking, so the percentage is (3/8) * 100% = 37.5%. Hence the correct answer is option B.

Note: The question is incomplete. The complete question probably is: Given the following data:

Activity Boys Girls Total

Walk 3 6 9

Bike 5 3 8

Skateboard 2 1 3

Total 10 10 20

1. How many students chose walking as their preferred method of transportation? A. 6 B. 3 C. 9 D. none of these. 2. How many total students participated in the survey? A. 10 B. 20 C. 15 D. none of these 3. What percentage of the total students chose skateboarding? A. 10% B. 20% C. 30% D. none of these. 4. What percentage of the boys chose walking? A. 30% B. 45% C. 25% D. none of these. 5. What percentage of the students who chose biking were girls? A. 30% B. 37. 5% C. 45% D. none of these.

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What is v75 in simplest form?
oa. 2513
ob. 3v5
oc. 53
od. 5v50

Answers

Correct answer is: b) 5v3

In order to simplify the expression v75, you need to find the largest perfect square that is a factor of 75. In this case, the largest perfect square is 25, which is 5². So, you can rewrite v75 as v(25*3) or v(5²*3). Now, you can apply the property √(a*b) = √a * √b.

Your answer: v75 = 5v3 (option b).

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A quadrilateral has a total area of 36. 18 square inches. One of the sides measures 6. 7 inches. How long is the other side? inches



(do not include any words in the answer blank)

Answers

The length of the other side of the quadrilateral is 10.67 inches.

The other side of the quadrilateral measures 10.67 inches. This can be found by using the formula for the area of a quadrilateral, which is (1/2) x diagonal x height. We know the total area and one side length, so we can solve for the height. The height is 10.67 inches, which is the length of the other side.

To find the length of the other side of the quadrilateral, we need to use the formula for the area of a quadrilateral, which is (1/2) x diagonal x height.

We know the total area of the quadrilateral is 36.18 square inches, and we can assume that the side given (6.7 inches) is one of the diagonals. We can solve for the height, which represents the length of the other side.

Using algebra, we can rearrange the formula to solve for the height:

Area = (1/2) x diagonal x height

36.18 = (1/2) x 6.7 x height

Multiplying both sides by 2:

72.36 = 6.7 x height

Dividing both sides by 6.7:

height = 10.67 inches

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Saleem has average of 60 in 4 subjects.Saleem's average drops to 58 after attempting next test.Find grade.

Answers

The answer is 95 % Assuming this is a basic test (20-25 questions)

Saleem scored 50 on the next test, and his average dropped to 58.

To find Saleem's grade on the next test, we can use the concept of weighted averages.

Since Saleem has an average of 60 in 4 subjects, we can calculate the total marks he has obtained so far. Let's denote the total marks in the 4 subjects as "T."

Average = Total marks / Number of subjects

60 = T / 4

To find T, multiply both sides by 4:

T = 60 * 4

T = 240

Now, Saleem's total marks after attempting the next test would be (240 + X), where X is the score he gets on the next test.

The new average after attempting the next test is 58.

Average = Total marks / (Number of subjects + 1)

58 = (240 + X) / 5

To find X, first multiply both sides by 5:

58 * 5 = 240 + X

290 = 240 + X

Now, isolate X:

X = 290 - 240

X = 50

So, Saleem scored 50 on the next test.

To summarize, Saleem scored 50 on the next test, and his average dropped to 58.

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If P = (1,1), Find:
Rx=5 (P)
([?], []

Answers

The coordinate of the image point is (9,1).

There are eight types of rules for the transformation of a point. When the  takes place across a line, then the point (x,y) is changed to the point (y,x).

Given that the rule for the transformation of a point P(1,1) is [tex]R_{x=5} (P)[/tex], which defines the reflection of a point about a line, that is parallel to the y-axis. The line [tex]x=5[/tex] is like a mirror. So, the distance between the line and the image point is equal to the distance between the line and the original point.

Using the point-line distance formula, the distance between the line [tex]x=5[/tex] and a point (1,1) is given by [tex]|5-1|=4[/tex].

Similarly, by the above statement, the distance between the line [tex]x=5[/tex] and the image point will also be 4.

Therefore, the coordinate of the image point is (9,1).

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The complete question is -

If P = (1,1), then find the reflection [tex]R_{x=5} (P)[/tex].

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