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Find the equilibrium resistance between X and Y

need explanation
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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.

Answer

a = 0

Explanation

a + 5 = -5a + 5

We will bring the terms with a togther and the terms without together

a + 5 = -5a + 5

a + 5a = 5 - 5

6a = 0

Divide both sides by a

(6a/6) = (0/6)

a = 0

Hope this Helps!!!

William descended (2)/(25) of 10,000 meters in the bathyscaph. This is equivalent to 800 meters.

To find the distance William descended in the bathyscaph, we calculate (2)/(25) of 10,000 meters.

- Convert the fraction to a decimal: (2)/(25) = 0.08.

- Multiply the decimal by 10,000: 0.08 * 10,000 = 800.

- The result is 800 meters.

Therefore, William descended 800 meters in the bathyscaph.

The bathyscaph, a small submarine, is a valuable tool for scientists to explore and conduct experiments in the deep ocean. In this case, William utilized a bathyscaph to descend into the ocean. He covered a distance equivalent to (2)/(25) of 10,000 meters, which amounts to 800 meters. Bathyscaphs are specifically designed to withstand extreme pressures and allow researchers to reach depths of up to 10,000 meters.

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Answer:

Alfred has 40 tokens

Clarissa has 30 tokens

Benji has 15 tokens

Step-by-step explanation:

Let's give each person a variable:

A for Alfred

C for Clarissa

B for Benji

Now, we can take what the question is saying and convert them into equations:

Alfred has 10 more tokens than Clarissa can look like this:

A = C + 10

Since Alfred has 10 more coins than Clarissa we can take C and add 10 to find how many tokens Alfred has.

Clarissa has twice as many tokens as Benji looks like this:

C = 2B

Since Clarissa has twice as many tokens as Benji we can multiply B (how many tokens Benji has) by 2.

Lastly, they have 85 tokens all together:

A + B + C = 85

We have these 3 equations:

A = C + 10

C = 2B

A + B + C = 85

Now, we can substitute some variables:

A = (2B) + 10    Since C is equal to 2B we can substitute 2B in for C in the first equation.

We have found what A equals, we can plug that in to the last equation:

(2B) + 10 + B + C = 85

We can also substitute the second equation into the third equation:

(2B) + 10 + B + 2B = 85

Combine like terms:

5B + 10 = 85

Solve

5B = 75

B = 15

This means that Benji has 15 tokens. Now we can find how much the other children have:

C = 2(15) = 30

Clarissa has 30 tokens

A = 30 + 10

A = 40

Alfred has 40 tokens.

Answer:

Alfred has 40 tokens

Clarissa has 30 tokens

Benji has 15 tokens

Checking the Answer

A + B + C = 85

40 + 15 + 30 = 85

85 = 85

I hope this helps!!

- Kay :)

Using the law of cosines, it is found that the length of side AB is of AB = 13.

The law of cosines states that we can find the angle C of a triangle as follows:

\(c^2 = a^2 + b^2 - 2ab\cos{C}\)

in which:

For this problem, the parameters are:

C = 120, a = 8, b = 7.

Hence:

\(c^2 = a^2 + b^2 - 2ab\cos{C}\)

\(c^2 = 8^2 + 7^2 - 2(8)(7)\cos{120^\circ}\)

\(c^2 = 169\)

\(c = \sqrt{169}\)

c = 13.

Hence AB = 13.

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Starting on January 1, park rangers in Everglades National Park began monitoring the water level of a specific park area. Initially, the water level was recorded as 2.5 feet.

Over time, the water level decreased by approximately 0.015 feet per day. This information is essential for tracking changes in the ecosystem of the National Park and understanding how climate factors are affecting the environment, we'll break it down step by step:

1. On January 1, the water level in Everglades National Park for a particularly dry area was initially 2.5 ft.

2. The water level decreased at 0.015 ft per day.

Now, to find the water level at a given day "t", you can use the following equation:

Water level = Initial water level - (Rate of decrease × Number of days)

Where:
- Initial water level = 2.5 ft
- Rate of decrease = 0.015 ft/day
- Number of days = t

So the equation becomes:

Water level = 2.5 - (0.015 × t)

By plugging in the desired day "t" into the equation, you can determine the water level on that specific day.

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Answer:

Step-by-step explanation:

The vertex coordinates of  f(x) = ax² + bx + c  is  (h, k)

where:   \(h=\dfrac{-b}{2a}\ ,\qquad k=f(h)\)

f(x) = - x² - 6x + 1       ⇒  a = -1   b = -6

So:

     \(h=\dfrac{-(-6)}{2(-1)}=\dfrac6{-2}=-3\\\\y=f(h)=-(-3)^2-6(-3)+1=-9+18+1=10\)

To test the hypothesis that the mean weight of two sheets is equal (μ1 - μ2) against the alternative that it is not, and assuming equal variances, we can use a two-sample t-test. The t-statistic can be calculated using the following formula:

t = (x1 - x2) / (s_p * sqrt(1/n1 + 1/n2))

where:

x1 and x2 are the sample means of the two sheets,

s_p is the pooled standard deviation,

n1 and n2 are the sample sizes.

The pooled standard deviation (s_p) can be calculated using the following formula:

s_p = sqrt(((n1 - 1) * s1^2 + (n2 - 1) * s2^2) / (n1 + n2 - 2))

where:

s1 and s2 are the sample standard deviations.

To calculate the t-statistic, we need the sample means, sample standard deviations, and sample sizes.

Once you provide the specific values for these variables, I can assist you in calculating the t-statistic to 3 decimal places.

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To test the hypothesis that the mean weight of the two sheets is equal (μ1 - μ2) against the alternative that it is not, we can use a paired t-test assuming equal variances. The paired t-test is used when we have paired data or measurements on the same subjects or objects.

The t-statistic for a paired t-test is calculated as follows:

t = (X1 - X2) / (s / √n)

where X1 and X2 are the sample means of the two samples, s is the pooled standard deviation, and n is the number of pairs.

Please provide the sample means, standard deviation, and sample size for each sheet so that we can calculate the t-statistic to 3 decimal places.

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Answer:

D: x=-4

Step-by-step explanation:

Even though dividing a fraction by a whole number might be challenging, it is simple to achieve with a few steps. By placing the full number above 1, you must first divide it into a fraction. After that, multiply the fraction you are dividing by the inverted version of the fraction. Lastly, simplify the response as much as possible.

For instance, to multiply 3/4 by 2:

Put 2 over 1, making it 2/1, to make it a fraction.

To get 1/2, invert 2/1.

To get 3/8, multiply 3/4 by 1/2.

Divide the numerator and denominator by 3 to get 1/4, which is the simplest representation of the fraction 3/8.

Hence, 1/4 is equivalent to 3/4 when divided by 2.

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The term you're looking for is "uncertain digits."

Uncertain digits refer to the digits in a measurement that exceed the level of certainty provided by the measuring instrument.

Measurements, it is crucial to recognize the limitations of the instruments being used, as this can impact the precision and accuracy of the results.
Precision is the degree to which an instrument can consistently produce the same measurement, while accuracy is the closeness of a measurement to its true value.

Uncertain digits can affect both of these aspects.
To better understand uncertain digits, consider the following step-by-step explanation:
Identify the measuring instrument:

This could be a ruler, thermometer, or any other device used to take measurements.
Determine the instrument's least count:

The least count is the smallest unit the instrument can measure.

A ruler with millimeter markings has a least count of 1 millimeter.
Record the measurement:

When taking a measurement, include all the certain digits (those within the instrument's least count) and one uncertain digit.

The uncertain digit is an estimate, and it represents the best guess within the least count of the instrument.
Keep in mind the limitations:

Recognize that uncertain digits are an inherent part of the measuring process and that they affect the precision and accuracy of the results.
Uncertain digits are the digits that exceed the certainty of a measuring instrument.

It is important to consider these digits and the limitations of the instruments used when conducting experiments or making measurements.

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Answer:

800 m^2

Step-by-step explanation:

= 1250 - 450

= 800 m^2 est la superficie de la terre de M. Vergne

j'espère que ma réponse t'aidera.

Answer:

sorry wrong answer that I gave before

I was not right, I didn't want to confuse you

Lower bound: 70.13 years, Upper bound: 104.97 years. 95% of the sample mean life spans at birth of 125 people lies in this interval.

The lower bound of the 95% confidence interval can be calculated using the formula: Lower Bound = Mean - (1.96 x Standard Deviation/√n), where n is the sample size. In this case, the lower bound is calculated as 87.05 - (1.96 x 13.51/√125) = 70.13. The upper bound of the 95% confidence interval can be calculated using the formula: Upper Bound = Mean + (1.96 x Standard Deviation/√n). In this case, the upper bound is calculated as 87.05 + (1.96 x 13.51/√125) = 104.97. Therefore, 95% of the sample mean life spans at birth of 125 people lies in the interval 70.13 to 104.97 years. The 95% confidence interval is an indicator of the reliability of the mean life span value. It is calculated by taking into account the standard deviation of the sample population and the size of the sample. The confidence interval gives an indication of how reliable the mean life span value is and how much variation can be expected in the life spans of the population.

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Answer:

24 students are right-handed.

Step-by-step explanation:

30 total

 1 left + 4 right = 5

+1 left + 4 right = 5

 2 left + 8 right = 10

+1 left + 4 right = 5

 3 left + 12 right = 15

+1 left + 4 right = 5

 4 left + 16 right = 20

+1 left + 4 right = 5

 5 left +20 right = 25

+ 1 left + 4 right = 5

6 left +24 right = 30

Answer: x = 52

Step-by-step explanation:

You'd first deal with the 4 outside the parentheses, multiplying 10x-20 by 4. This would result in 40x - 80 = 200.

You'd then further isolate x, adding 80 on both sides, resulting in 40x = 2080. Divide by 40 on both sides and You'd get your answer of x = 52.

When the batter is halfway to first base in a baseball diamond, the rate at which his distance from second base is decreasing is 0 ft/s, while the rate at which his distance from third base is increasing is √2 ft/s.

To analyze the situation, we can consider the geometry of the baseball diamond. Since the diamond is a square, each side has a length of ft.

When the batter is halfway to first base, he forms a right triangle with second base and third base. The hypotenuse of this triangle represents the distance from second base to third base, which is √2 times the length of one side of the square.

At this moment, the batter is moving directly towards first base, which is perpendicular to the line connecting second and third base. Therefore, the rate at which his distance from second base is decreasing is 0 ft/s since he is not changing his distance from second base.

On the other hand, the rate at which his distance from third base is increasing can be calculated. Since the hypotenuse (distance from second base to third base) is √2 times the length of one side, we can differentiate with respect to time to find the rate of change. Thus, the rate at which his distance from third base is increasing is √2 ft/s.

Therefore, when the batter is halfway to first base in a baseball diamond, his distance from second base is not changing, while his distance from third base is increasing at a rate of √2 ft/s.

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Answer:

(6-6)+(6-2)=0+4

sqr(4)^2=4

The values provided in the deflection profile are rounded to 4 significant figures)

(a) The discrete model equation using the 2nd Order Centered Method:

The second-order centered difference approximation for the second derivative of y at point x is:

\(y''(x) ≈ (y(x+h) - 2y(x) + y(x-h))/h^2\)

Applying this approximation to the given differential equation, we have:

\((y(x+h) - 2y(x) + y(x-h))/h^2 = -wLx/EI\)

(b) The system of equations after substituting all numerical values:

Using Ar = 24 inches, we can divide the beam into 5 discrete points (n = 4), with h = L/(n+1) = 120/(4+1) = 24 inches.

At x = 0, we have: (\(y(24) - 2y(0) + y(-24))/24^2 = -wLx/EI\)

At x = 24, we have: (\(y(48) - 2y(24) + y(0))/24^2 = -wLx/EI\)

At x = 48, we have: (\(y(72) - 2y(48) + y(24))/24^2 = -wLx/EI\)

At x = 72, we have: \((y(96) - 2y(72) + y(48))/24^2 = -wLx/EI\)

At x = 120, we have: (\(y(120) - 2y(96) + y(72))/24^2 = -wLx/EI\)

(c) Solving the system with Python and providing the profile for the deflection:

To solve the system of equations numerically using Python, the equations can be rearranged to isolate the unknown values of y. By substituting the given numerical values for E, I, w, L, h, and the boundary conditions y(0) = y(120) = 0, the system can be solved using a numerical method such as matrix inversion or Gaussian elimination. The resulting deflection values at each discrete point, including the boundary values, can then be obtained.

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The histograms typically are used to display continuous measures.

There are different types of charts: histogram, line chart, pie chart, and others.

The histogram is a type of chart used as a tool that provides a way to assess the distribution of data. From this type of chart, a set of data are previously tabulated and divided into classes. In the other words, the histogram is applied to summarize discrete or continuous measures, so it becomes more easily the understand the used data. There are many websites and software that allow the plot of this type of chart.

From the explanation, it is possible to identify the histograms typically are used to display continuous measures.

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13 pieces of candy she can add to the gift.

Given that:

Niesha is shipping a gift to her brother.The package contains a board game that weighs 14.5 ounces.

weight of board game = 14.5 ounces

weight of candy = 0.8 ounces

The package to weigh at most 25 ounces.

Let x be the pieces of candy she can add.

From the given statements:

14.5 + 0.8x = 25

0.8x = 25 - 14.5

0.8x = 10.5

x = 10.5/0.8

x = 13.125

13.125 pieces of candy is not possible so she can add upto 13 pieces of candy.

Therefore niesha can add upto 13 pieces of candy.

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9514 1404 393

Answer:

  √(2x -1) = 2x -7

Step-by-step explanation:

It helps to have a general idea of the shape of the square root curve. The coefficient 'a' will compress it horizontally by that factor, and the constant 'b' will add a left shift.

To make the equation have only one solution, the line must intersect the curve in only one place. That is, its slope must be sufficiently steep if it is positive, or must be negative. The y-intercept must be chosen so the line will intersect the square root curve.

It can work well in this case to decide what the point of intersection will be before you finish writing the equation.

__

Suppose we choose a=2 and b=-1 to create a square root curve that starts to the right of the y-axis and opens to the right. (The "left shift" is negative.) For these values, we will get an integer solution when 2x-1 is an odd square. That is, suitable x-values could be 1, 5, 13, 25, and corresponding y-values would be 1, 3, 5, 7.

Any line that passes through any of these points, but does not cross the square root curve again, will do. The one I proposed in the attachment goes through the point (5, 3) and has a slope of 2. (c=2, d=-7)

With these values, the equation becomes ...

  √(2x -1) = 2x -7

and has the solution (x, y) = (5, 3). Solved in the conventional way, one would also see the extraneous solution (2.5, -2).

Answer:

slope = - 2

Step-by-step explanation:

Calculate the slope m using the slope formula

m = \(\frac{y_{2}-y_{1} }{x_{2}-x_{1} }\)

with (x₁, y₁ ) = (2, 5) and (x₂, y₂ ) = (4, 1)

m = \(\frac{1-5}{4-2}\) = \(\frac{-4}{2}\) = - 2

Using the associative property of addition, we can write the given equation as follows:

Answer: option 2.

Answer:

I think its b because is says loosing 1/4 lbs each week. That would be subtraction. The others are adding.

The equation that represents two Gorillas weighing the same is,

B. 135 + (1/2)x = 143 - (1/4)x.

A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.

Given, A mountain gorilla weighs 135 pounds and is gaining 1/2 pound each week and an eastern gorilla weighs 145 pounds and is losing 1/4 pound each week.

The weights of the two Gorillas will be the same when we'll equate their individual equations which is,

135 + (1/2)x = 143 - (1/4)x.

Solving for 'x' would give us the number of weeks required for two Gorillas

to weigh the same.

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Answer:

1. 20m

2. 36

Step-by-step explanation:

area of rectangle= bh

base=5. Height= 4

5 *4 =20

base 4. Height=9

4*9=36

Answer:

for yellow it is 20 square meters, for red it is 36 square kilometers

Step-by-step explanation:

The vertex, focus, and directrix of the parabola 5x^2 + 16y = 0 are (0, 0), (-4/5, 0), and x = 4/5, respectively.

To find the vertex, focus, and directrix of the parabola with the equation 5x^2 + 16y, we can use the standard form of the equation for a parabola:

y = (1/4p)(x - h)^2 + k

where (h, k) is the vertex and p is the distance between the vertex and the focus or the vertex and the directrix.

Comparing the given equation to the standard form, we have:

5x^2 + 16y = 0
=> 16y = -5x^2
=> y = -(5/16)x^2

From this, we can determine that the vertex is at the origin (0, 0).

To find p, we can use the formula p = 1/(4a), where a is the coefficient of x^2. In this case, a = -5/16, so p = 1/(4*(-5/16)) = -4/5.

Therefore, the vertex is (0, 0), the focus is (-4/5, 0), and the directrix is x = 4/5.

In conclusion, the vertex, focus, and directrix of the parabola 5x^2 + 16y = 0 are (0, 0), (-4/5, 0), and x = 4/5, respectively.

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An "event" is an outcome of a population that has some probability of being selected.

In statistics, an event refers to a specific outcome or combination of outcomes of an experiment or random process. It represents a subset of the sample space, which is the set of all possible outcomes.

For example, let's consider rolling a fair six-sided die. The sample space consists of the numbers 1, 2, 3, 4, 5, and 6. An event could be rolling an even number, which consists of the outcomes 2, 4, and 6. Each of these outcomes has an equal probability of 1/6.

Events can also be combined using logical operators. For instance, the event of rolling a number greater than 3 and less than 6 would consist of the outcome 4 and 5. The probability of this event would be 2/6 or simplified, 1/3.

In summary, an event is a specific outcome or combination of outcomes from a population, and it has a certain probability of being selected.

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An "outcome" is an outcome of a population that has some probability of being selected.

An "outcome" refers to a specific result or observation that can occur in a given situation or experiment. In the context of a population, an outcome represents one possible result that could be selected or observed.

When we talk about a population, we are referring to a group of individuals or items that share a common characteristic. For example, a population could be all the students in a school, all the trees in a forest, or all the cars in a city.

In statistics, we often take samples from populations to make inferences or draw conclusions about the entire population. When selecting a sample from a population, each individual or item in the population should have some probability of being chosen. This ensures that the sample is representative of the population and provides reliable information.

For example, if we want to study the average height of all students in a school, we might randomly select a sample of students from the population (all students in the school). Each student in the population has some chance of being selected, which means each student represents a potential outcome of the sample.

In summary, an outcome in the context of a population refers to a specific result or observation that has some probability of being selected from the population.

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