HELP ME PLS GUYS I NEED HELP

Answer:

Step-by-step explanation:

Step-by-step explanation:

the average velocity of a car that travels 50 km in 2 hrs = 50/2 = 25 km/hrs

Therefore, you would be more likely to win the game by choosing option (2) - winning if the spinners do not match.

Probability is a measure of the likelihood or chance of an event occurring. It is expressed as a number between 0 and 1, where 0 indicates that the event is impossible, and 1 indicates that the event is certain. The probability of an event is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. Probability is used in many areas of mathematics, science, engineering, finance, and other fields to model and analyze uncertain situations. It helps to make predictions, to assess risks and opportunities, and to make informed decisions based on available information. Probability theory provides a foundation for statistical inference, which is used to draw conclusions from data and to test hypotheses about the underlying population.

Here,

In the "Two Spinner Game", there are two possible outcomes for each spin - a match or a non-match. The probability of the spinners matching is the probability of both spinners landing on the same color. Let's say that there are 3 red sections, 3 blue sections, and 2 green sections on each spinner.

The probability of the first spinner landing on red is 3/8, and the probability of the second spinner landing on red is also 3/8. Therefore, the probability of both spinners landing on red (a match) is (3/8) x (3/8) = 9/64.

Similarly, the probability of both spinners landing on blue (another match) is (3/8) x (3/8) = 9/64, and the probability of both spinners landing on green (a match) is (2/8) x (2/8) = 4/64.

The probability of the spinners not matching is the probability of them landing on different colors. There are 3 different pairs of colors that are not a match: red-blue, red-green, and blue-green. The probability of each of these pairs is (3/8) x (3/8) = 9/64.

So, there are 6 possible outcomes, and the probability of winning by a match is 9/64 + 9/64 + 4/64 = 22/64, or about 34.4%. The probability of winning by a non-match is 3 x 9/64 = 27/64, or about 42.2%.

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p=49 1/2 that's the answer i got you lil guy

Using the percentage method, we know that the original price of the TV set was $400.

Percentages are just fractions with a denominator of 100.

To show that a number is a percentage, we place the percent sign (%) next to it.

For instance, if you properly answered 75 out of 100 questions on a test, you would have received a 75% grade (75/100).

So, we know that the percentage is always out of 100.

Then we automatically know that:

100% - 15% = 85%

We know:
85% = $340

15% = ?

Now, calculate the reduced price as follows:
85/340 = 15/x

85x = 15(340)

85x = 5,100

x = 5100/85

x = $60

Original price of the TV set:

Sold cost + Reduced cost

$340 + $60

$400

Therefore, using the percentage method, we know that the original price of the TV set was $400.

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The horizontal change from triangle ABC to triangle ABC include the following: A. right 5 units.

The vertical change from triangle ABC to triangle ABC include the following: C. down 2 units.

The translation rule in the standard format is: (x, y) → (x + 5, y - 2).

In Mathematics, the translation of a graph to the left is a type of transformation that simply means subtracting a digit from the value on the x-coordinate of the pre-image while the translation of a graph to the right is a type of transformation that simply means adding a digit to the value on the x-coordinate of the pre-image.

By translating the pre-image of triangle ABC horizontally right by 5 units and vertically down 2 units, the coordinate A of triangle ABC include the following:

(x, y)                               →                  (x + 5, y - 2)

A (3, 5)                        →                  (3 + 2, 5 - 2) = A' (5, 3).

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Missing information:

The question is incomplete and the complete question is shown in the attached picture.

The samples of size n = 2 that can be drawn from this population is 28

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

Population, N = 8

Sample, n = 2

The samples of size n = 2 that can be drawn from this population is calculated as

Sample = N!/(n! * (N - n)!)

substitute the known values in the above equation, so, we have the following representation

Sample = 8!/(2! * 6!)

Evaluate

Sample = 28

Hence, the number of samples is 28

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Complete question

A finite population consists of 8 elements.

10,10,10,10,10,12,18,40

How many samples of size n = 2 can be drawn this population?

To calculate a rate, divide the change in the quantity by the corresponding change in the unit of time.

Calculating a rate involves determining the amount of change in a quantity per unit of time. It is commonly expressed as a ratio or a fraction. The formula for calculating a rate is:

Rate = Change in Quantity / Change in Time

Determine the quantity involved: Identify the specific quantity that you want to measure, such as distance, speed, flow, or growth.

Determine the corresponding unit of time: Identify the unit of time over which the quantity is changing, such as seconds, hours, days, or years.

Measure the initial and final values: Take measurements or obtain data for the initial and final values of the quantity of interest.

Calculate the change in quantity: Subtract the initial value from the final value to find the change in the quantity.

Calculate the change in time: Subtract the initial time from the final time to find the change in the unit of time.

Divide the change in quantity by the change in time: Divide the change in the quantity by the corresponding change in the unit of time.

Simplify or round the rate if necessary: Depending on the context and desired level of precision, simplify or round the rate to an appropriate number of decimal places or significant figures.

By following these steps and applying the formula, you can calculate a rate accurately.

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In a rectangular channel with a given discharge, longitudinal slope, friction coefficient, and channel width, we need to determine the critical flow depth, critical slope, and uniform flow depth. These calculations will help us understand the flow regime and hydraulic characteristics of the channel.

a) To calculate the critical flow depth (yc) at which the given discharge is passed at the minimum specific energy level, we can use the specific energy equation. By equating the specific energy equation to its critical value, we can solve for yc.

b) To determine the critical longitudinal channel bottom slope (Io) to pass the given discharge at critical depth, we can use Manning's equation. By rearranging the equation and solving for Io, we can find the critical slope. Comparing Io to the longitudinal slope (Ie), we can determine the flow regime.

c) To determine the uniform flow depth (yn) and the corresponding flow regime, we can use Manning's equation again. By substituting the given values into the equation and solving for yn, we can find the depth of uniform flow. The flow regime can be determined by calculating the Froude number (Fr).

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The slope of the line in simplest form is 1/1, or 1.

The line has a rise of 3 units and a run of 4 units. The slope of the line can be represented by the formula "rise/run" and can be calculated as follows: slope = 3/4. The slope of the line in simplest form is 3/4.

To calculate the slope of the line, we need to divide the rise by the run. In this case, the rise is 3 units and the run is 4 units. To calculate the slope, we divide 3 by 4. This gives us a slope of 3/4.

The slope of the line can also be written in simplest form. Simplest form means that we simplify the fraction as much as possible. We can do this by dividing both the numerator and the denominator by the same number until they cannot be divided any further. In this case, the numerator and the denominator are both divisible by 3. We can divide 3 by 3 to get 1, and divide 4 by 3 to get 1. Therefore, the slope of the line in simplest form is 1/1, or 1.

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Answer:

3/19

Step-by-step explanation:

The standard normal curve, also known as the standard normal distribution or the z-distribution, is a specific probability distribution that follows a bell-shaped curve. The area under the standard normal curve to the right of z = 3 is approximately 0.0013.

For the area under the standard normal curve to the right of z = 3, we need to calculate the cumulative probability from z = 3 to positive infinity.

The standard normal distribution, also known as the z-distribution, has a mean of 0 and a standard deviation of 1. It is a symmetric bell-shaped curve that represents the distribution of standard scores or z-scores.

Using statistical tables or software, we can find the cumulative probability associated with z = 3, which represents the area under the curve to the left of z = 3.

The cumulative probability for z = 3 is approximately 0.9987.

For the area to the right of z = 3, we subtract the cumulative probability from 1.

Therefore, the area to the right of z = 3 is approximately 1 - 0.9987 = 0.0013.

In conclusion, the area under the standard normal curve to the right of z = 3 is approximately 0.0013.

This means that the probability of randomly selecting a value from the standard normal distribution that is greater than 3 is approximately 0.0013 or 0.13%.

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The mean thickness of each paper sheet is 0.0095 inch with a variance of 0.00003225. Approximately 45.45% of the sheets are less than 0.0095 inch thick, and 40% have a thickness greater than 0.0123 inch.

Mean and variance for thickness of each paper sheet

Since the thickness of each paper sheet is uniformly distributed between 0.004 and 0.015 inch, the mean thickness is the average of the minimum and maximum values

Mean = (0.004 + 0.015) / 2 = 0.0095 inch

The variance of a uniform distribution is given by

Variance = (b - a)^2 / 12

where a and b are the minimum and maximum values of the distribution, respectively. Substituting the values, we get

Variance = (0.015 - 0.004)^2 / 12 = 0.00003225

Therefore, the mean thickness of each paper sheet is 0.0095 inch, and the variance is 0.00003225.

Proportion of paper sheets which are less than 0.0095 inch thick

Since the thickness of each paper sheet is uniformly distributed between 0.004 and 0.015 inch, we can find the proportion of sheets that are less than 0.0095 inch by finding the area under the density function of the uniform distribution between 0.004 and 0.0095.

The density function of a uniform distribution is given by

f(x) = 1 / (b - a)

where a and b are the minimum and maximum values of the distribution, respectively. Substituting the values, we get

f(x) = 1 / (0.015 - 0.004) = 1/0.011

The area under the density function between 0.004 and 0.0095 gives the proportion of paper sheets that are less than 0.0095 inch thick:

Proportion = ∫(0.004 to 0.0095) f(x) dx = [x / (b - a)](0.0095 - 0.004) = 0.4545

Therefore, approximately 45.45% of the paper sheets are less than 0.0095 inch thick.

Thickness exceeded by 40 percent of the paper sheets

To find the thickness exceeded by 40% of the paper sheets, we need to find the value of x for which 40% of the area under the density function lies to the right of x.

Since the density function is uniform, the area to the right of x is given by

Area = (b - x) / (b - a)

We want to find the value of x for which this area is equal to 0.4. Substituting the values, we get

0.4 = (0.015 - x) / (0.015 - 0.004)

Solving for x, we get

x = 0.0123

Therefore, 40% of the paper sheets have a thickness greater than 0.0123 inch.

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Answer:

see below

Step-by-step explanation:

The experimental probability is what you actually rolled

24/60 = 2/5 = 40%

The theoretical probability is what we expect to happen

=number of even numbers / total number of numbers

3/6 = 1/2 = 50%

The difference between the two investments after 35yrs is $4700 and  Bank of America is offering higher interest than 5/3rd banks.

Most interest is compounded semiannually, quarterly, or monthly. Continuous compounding assumes that interest is compounded indefinitely and reentered on the balance sheet. The continuous compounding formula takes into account four variables.

For the given question,

5/3rd bank offers continuous interest:

For continuous interest, A = P\(e^{rt}\)

where,

P = the initial amount

A = the final amount

r = the rate of interest

t = time

e is a mathematical constant where e ≈ 2.7183.

A = 10000 × \(2.71^{0.042*35}\)

A =  10000 × 4.04

A = $40400 approximately

Interest = Amount - Principle

Interest = 40400 - 10,000

Interest = $30400

Bank of America offers compound interest:

For compound interest:

\(A = P(1 + \frac{r}{n})^{nt}\)

A = 10000 × 4.51

A = $45100

Interest = Amount - Principle

Interest = 45100 - 10,000

Interest = $35100

The above calculation explains Bank of America is offering higher interest than 5/3rd bank by $35100 - $30400 = $4700

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The value of function f(x) at point x = -2 is f(-2) = -13/4.

What is value of function?

The objective function's value at a solution is given by the value function of an optimization problem, which only depends on the problem's parameters.

Function value can mean: The result of applying a function to an argument in mathematics.

Consider, the given function

\(f(x) = \frac{x^2-5x-1}{x-2}\)

We have to find value of function f(x) at point x = -2.

Plug x = -2 in the above equation, we get

\(f(-2) = \frac{(-2)^2 - 5(-2)-1}{-2-2} \\f(-2) = \frac{4 + 10 - 1}{-4}\\f(-2) = \frac{13}{-4} \\f(-2) = -\frac{13}{4}\)

Hence, the value of function f(x) at point x = -2 is f(-2) = -13/4.

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Answer:

0.345

Step-by-step explanation:

impretty sure thats right. but if im wrong im really sorry <333

Answer:

An elevator can hold up to about 2000 pounds of weight.The combined weight of everyone currently in the elevator is 1980 pounds. Write an inequality showing the possible amount of weight that can be added to the elevator. S can be your variable hope this helps.

Answer:

ans 37

Step-by-step explanation:

substract 61 - 24

The length of the spiraling polar curve from θ = 0 to θ = 2π is:

8/3 √ (1 + ln²⁸) [e^(12π) - 1]

To find the length of the spiraling polar curve, we will use the arc length formula.

L = ∫baf(θ)√ (r² + [f'(θ)]²).dθ

where a and b are the initial and final values of θ, and f(θ) is the polar equation.

The polar curve given is:

r = 8e^(6θ).

The length of the spiraling polar curve can be calculated as follows:

L = ∫02πf(θ) √ (r² + [f'(θ)]²).dθ.

Let us now find f(θ) and f'(θ). Since:

r = 8e^(6θ),

we know that:

r = f(θ) and f'(θ) = 8e^(6θ)*ln8.

f(θ) = r = 8e^(6θ).

f'(θ) = 8e^(6θ)*ln8.

Therefore, substituting these values, we obtain:

L = ∫02π 8e^(6θ)√(64e^(12θ) + 64e^(12θ)ln²⁸)dθ

L= 8∫02πe^(6θ)√(1 + ln²⁸)dθ

L= 8 √ (1 + ln²⁸) ∫02πe^(6θ)dθ

L= 8 √ (1 + ln²⁸) [e^(6θ)/6] 02π

L= 8/3 √ (1 + ln²⁸) [e^(12π) - 1].

Therefore, the length of the spiraling polar curve from θ = 0 to θ = 2π is 8/3 √ (1 + ln²⁸) [e^(12π) - 1].

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Answer: 1) Error response times

2) Memory Scanning, visual search

3) Stimulus identification

Step-by-step explanation:1) response times reflext the time it takes to interpret a stimulus,get info from memory, initiate a muscle response

2) The hippocampus retrieves info from the working memory and begins to change the brains physical neural wiring

3) A decisive role in our perception and cognition

In general, there are two areas of psychology where mathematics is heavily utilized: mathematical modeling of psychological theories and experimental phenomena, which gives rise to mathematical psychology, and statistical approaches to quantitative measurement practices in psychology, which give rise to psychometrics.

Answer:4.0

Step-by-step explanation:

Answer:

a

Step-by-step explanation:

Answer:

Between Chocolate and Banana

Step-by-step explanation:

Theoretically, I think the experimental probability differs the most between chocolate ice cream flavor and banana ice cream flavor because out of the people surveyed, most people love chocolate and the least love banana.

One bottle of liquid plant food is enough for at least 12 weeks, and potentially a bit more.

William uses 40 milliliters of liquid plant food per week, so to find out how much plant food he needs for 12 weeks, we can simply multiply the weekly usage by the number of weeks:

Amount of plant food needed for 12 weeks = 40 milliliters/week x 12 weeks = 480 milliliters

So, William needs 480 milliliters of liquid plant food for 12 weeks.

Since the bottle of liquid plant food, William purchased contains 0.5 liters or 500 milliliters of liquid plant food, we can see that one bottle is enough for 12 weeks since 480 milliliters is less than the total amount of liquid plant food in the bottle.

In fact, we can calculate how many weeks one bottle of liquid plant food will last William by dividing the total amount of liquid plant food in the bottle by the amount used per week:

Time to use up the liquid plant food = (Total amount of liquid plant food) / (Amount used per week) = 500 ml / 40 ml/week ≈ 12.5 weeks

So, we can say that one bottle of liquid plant food is enough for at least 12 weeks, and potentially a bit more.

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The correct question should be:

William bought a 0.5 -liter bottle of liquid plant food. He uses 40 milliliters each week? How much plant food does William need for 12 weeks? Is one bottle enough for 12 weeks?

Given:

Then:

Using a system of linear equation, the cost of each shirt and pant is $9 and $11 respectively.

A system of linear equations is a collection of one or more linear equations that contain two or more variables. The goal of solving a system of linear equations is to find the values of the variables that satisfy all of the equations in the system.

A linear equation is an equation that can be written in the form of ax+by=c, where x and y are variables, and a, b, and c are coefficients.

In this problem, we need to define our variables and the solve the equations.

Let;

x + 2y = 31 ...eq(i)

3x + y = 38 ...eq(ii)

Solving both equations

x = 9, y = 11

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Odpowiedź:

-51

Wyjaśnienie krok po kroku:

Oblicz -12 + 4 * (- 11) - (- 5)

Biorąc pod uwagę wyrażenie

-12 + 4 * (- 11) - (- 5)

Korzystanie z PEDMAS

nawias pierwszy

-12 + 4 * (- 11) +5

Ich mnożenie

-12-44 + 5

Podsumowując

-56 + 5

= -51