si en una caja hay 5 pelotas una verde una amarilla.una azul.una negra y una roja ya a salido la rija y la verde cual es la posibilidad de sacar la azul en una cuarta vez​

Using a proportional relationship, it is found that:

Dillon recommends that the amount of time college students spend studying each week should be about the amount twice the time spent in class.

A proportional relationship is a function in which the output variable is given by the multiplication of the input variable and the constant of proportionality represented by k, according to the rule presented as follows:

y = kx

For this problem, the variables are presented as follows:

From the table, the constant is calculated as follows:

k = 24/12 = 18/9 = 12/6 = 2.

Meaning that the amount of study should be twice the time spent in class.

The table relating the variables is given at the end of the answer.

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Answer:

Сильные:

Упорный, нацеленый на результат

Уверен в себе

Трудолюбивый

Общительный

Организованный

Самостоятельный

Дисциплинированный

Слабые:

Излишне стеснительный

Чрезмерно эмоциональный

Раздражительный и даже агрессивный

Не обладающий силой воли

Не умеющий вовремя промолчать

Гиперактивный

Принципиальный

Answer:

B. 12:16

Step-by-step explanation:

Have a nice day/night :)

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The two vectors [2x + 4y; 6x + 8y] and [2x; 2y], we can see that they are not equal. Therefore, lambda = 2 is not an eigenvalue of matrix A. To determine if lambda is an eigenvalue of the matrix A, we need to find if there exists a non-zero vector v such that Av = lambda * v.

1. Let's start by computing the matrix-vector product Av.
2. Multiply each element of the first row of matrix A by the corresponding element of vector v, then sum the results. Repeat this for the other rows of A.
3. Next, multiply each element of the resulting vector by lambda.
4. If the resulting vector is equal to lambda times the original vector v, then lambda is an eigenvalue of matrix A. Otherwise, it is not.

For example, consider the matrix A = [1 2; 3 4] and lambda = 2.
Let's find if lambda is an eigenvalue of A by solving the equation Av = lambda * v.

1. Assume v = [x; y] is a non-zero vector.
2. Compute Av: [1 2; 3 4] * [x; y] = [x + 2y; 3x + 4y].
3. Multiply the resulting vector by lambda: 2 * [x + 2y; 3x + 4y] = [2x + 4y; 6x + 8y].
4. We need to check if this result is equal to lambda times the original vector v = 2 * [x; y] = [2x; 2y].

Comparing the two vectors [2x + 4y; 6x + 8y] and [2x; 2y], we can see that they are not equal. Therefore, lambda = 2 is not an eigenvalue of matrix A.

In summary, to determine if lambda is an eigenvalue of matrix A, we need to find if Av = lambda * v, where v is a non-zero vector. If the equation holds true, then lambda is an eigenvalue; otherwise, it is not.

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The type of sample that is selected to reflect the demographic characteristics of the population of interest is representative samples. Option b is correct.

Representative samples are selected to reflect the demographic characteristics of the population of interest. This sampling method aims to ensure that the sample closely resembles the larger population in terms of its demographic composition.

By including individuals from various demographic groups in the sample, representative samples allow for more accurate generalizations and conclusions to be drawn about the population as a whole. This sampling approach is commonly used in research studies and surveys to gather data that is representative of the larger population's characteristics and attitudes.

Therefore, b is correct.

Which type of sample is selected to reflect the demographic characteristics of the population of interest?

A. Convenience samples

B. Representative samples

C. Random samples

D. Cumulative samples

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Answer:

they need 4 gallons

Step-by-step explanation:

so 1/2 gallon paints 1/8 of the barn

1 gallon paints 2/8, 1 1/2 gallons paint 3/8 of the barn

2 gallons paints 4/8 half of the barn and so on until it gets to 8/8 or the full barn.

Answer:-2(3+(-4)+(-8)*7)=114

Step-by-step explanation: You wrote the equation wrong, but if you use PEMDAS that's the answer you'll get.

Answer:

Read the explanation

Step-by-step explanation:

Explanation:

When multiplying and dividing more than two positive and negative numbers, use the Even-Odd Rule: Count the number of negative signs — if you have an even number of negatives, the result is positive, but if you have an odd number of negatives, the result is negative. This problem has just one negative sign

The statement "If two events are mutually exclusive, then they are independent" is False, because occurrence or non-occurrence of one event provides information about other event.

Mutually exclusive events and independent events are two different concepts in probability theory.

Mutually-Exclusive events are events that do not occur at same-time. If one event happens, the other event cannot occur. For example, rolling an even number and rolling an odd number on a fair six-sided die are mutually exclusive events.

The independent events are events where the occurrence of one event does not affect the probability of the other event. In these events the outcome of one event has no influence on the outcome of the other event.

For example, flipping a fair-coin twice, where the outcome of the first flip does not impact the outcome of the second flip, represents independent events.

Therefore, mutually exclusive events cannot occur simultaneously, independent events can occur independently of each other, so the statement is False.

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The statement 'DVDs have replaced CDs as the standard optical disc' is True.

The statement 'DVDs have replaced CDs as the standard optical disc' is True.

DVDs have indeed replaced CDs as the standard optical disc. DVDs have a higher storage capacity compared to CDs, allowing them to store more data. This makes DVDs more suitable for storing and distributing larger files, such as movies, videos, and software. DVDs also offer better video and audio quality compared to CDs, making them the preferred choice for multimedia content.

However, it's important to note that CDs are still commonly used for audio recordings, such as music albums. CDs have a lower storage capacity but are sufficient for storing audio files. They are also more affordable and widely compatible with various devices.

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PreAlg students spend significantly less time doing homework compared to ElemAlg and InterAlg students, while there is no significant difference in homework time between ElemAlg and InterAlg students.

What is significantly ?

Significantly" is the keyword that indicates a notable or meaningful difference or result in the context of statistical analysis. It is often used to describe findings that have a high level of confidence and statistical significance, indicating that the observed difference or relationship is unlikely to have occurred by chance.

Based on the given data and statistical analysis, the conclusion is as follows:

PreAlg compared to ElemAlg:

The sample mean for PreAlg (1.32) is significantly different from the sample mean for ElemAlg (3.18) with a t-value of 5.08 and a p-value of 0.000. Therefore, we can conclude that PreAlg students spend significantly less time doing homework compared to ElemAlg students.

PreAlg compared to InterAlg:

The sample mean for PreAlg (1.32) is significantly different from the sample mean for InterAlg (4.42) with a t-value of 3.64 and a p-value of 0.003. Hence, we can conclude that PreAlg students spend significantly less time doing homework compared to InterAlg students.

ElemAlg compared to InterAlg:

The sample mean for ElemAlg (3.18) is not significantly different from the sample mean for InterAlg (4.42) with a t-value of 1.49 and a p-value of 0.163. Therefore, we fail to reject the null hypothesis, and we cannot conclude a significant difference in homework time between ElemAlg and InterAlg students.

In summary, the PreAlg students have significantly lower homework time compared to both ElemAlg and InterAlg students. However, there is no significant difference in homework time between ElemAlg and InterAlg students.

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Answer:

The answer is C. Square root

Step-by-step explanation:

The parent function of given graph is a square root function

The correct answer is an option (c)

"The function of the form \(f(x)=\sqrt[3]{x}\) "

"This function obtained by finding the inverse of a given function."

"The function of the form \(f(x)=\sqrt{x}\) "

"The function of the form f(x) = |x| "

For given question,

We have been given the graph of a function.

We need to identify the parent function for the given the graph.

We can observe that the graph increases slowly.

The range of the function is set of all positive values.

We know that the range of square root function is always positive.

If we draw the graph for following functions

i) cube root function

ii) reciprocal function

iii) square root function

iv) absolute value function

Then the parent function of given graph is a square root function

Therefore, the correct answer is an option (c)

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Answer:

12, 14, 16, 18

Step-by-step explanation:

(x + (x+2) + (x+4) + (x+6))/4 = 15

^ solve algebraically

you'll get (4x+12)/4 = 15

then: 4x + 12 = 60

then 4x = 60-12

then 4x = 48

then x = 12

x is 12 so then do substitution

so you get

12 + (12+2) + (12+4) + (12+6)

12, 14, 16, 18

Answer:

Step-by-step explanation:

the line given is

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

parallel lines have the same slope

\(y = \frac{-1}{3} (x) + b\\3 = \frac{-1}{3}(5) + b\\\frac{9}{3} = \frac{-5}{3} + b\\ b = \frac{14}{3}\\\)

\(y = \frac{-1}{3} (x) + \frac{14}{3}\)

The equation of line passes through the point (5, 3) will be;

⇒ y = - x/3 + 14/3

The equation of line in point-slope form passing through the points

(x₁ , y₁) and (x₂, y₂) with slope m is defined as;

⇒ y - y₁ = m (x - x₁)

Where, m = (y₂ - y₁) / (x₂ - x₁)

Given that;

The point on the line are (5, 3).

And, The parallel line is,

⇒ x + 3y = 6

⇒ y = - x/3 + 2

Now,

Since, The equation of line passes through the point (5, 3).

So, We need to find the slope of the line.

Since, The slope of the parallel line is same.

Hence, Slope of the line is,

⇒ y = - x/3 + 2

⇒ m = dy/dx = - 1/3

⇒ m = - 1/3

Thus, The equation of line with slope - 1/3 is,

⇒ y - 3 = - 1/3 (x - 5)

⇒ y - 3 = - 1/3 (x - 5)

⇒ y - 3 = - x/3 + 5/3

⇒ y = - x/3 + 5/3 + 3

⇒ y = - x/3 + 14/3

Therefore, The equation of line passes through the point (5, 3) will be;

⇒ y = - x/3 + 14/3

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Answer:

$1148 will be saved.

Step-by-step explanation:

Linear equation form: y=ax+b

Slope of the equation: (y2-y1)/(x2-x1), (150.50-80.50)/(7-3)= 70/4 = 35/2

So y=35/2x+b

Substitute x and why with (7, 150.50)

7=35/2 *150.5+b

b=28

The equation is 35/2x+28

There is 4 weeks in 16 months.

4*16= 64, 64 weeks.

Substitute 64 into x.

y=35/2 *64+28

y=1148

Hense, after 16 months, $1148 will be saved.

The displacement of the compressor is 628 cubic centimeters. Other factors that affect the performance of a compressor include its operating pressure, flow rate, efficiency, and power consumption.

To find the displacement of the compressor, we need to use the formula:
Displacement = (pi/4) x bore^2 x stroke
Here, the bore is 8 centimeters and the stroke is 10 centimeters. So, substituting these values in the formula, we get:
Displacement = (pi/4) x 8^2 x 10
Displacement = (3.14/4) x 64 x 10
Displacement = 628.32 cubic centimeters

A compressor is a mechanical device that is used to increase the pressure of a gas or air by reducing its volume. It works by compressing the gas or air in a cylinder and then transferring it to a storage tank or other equipment. The displacement of a compressor is a measure of the volume of gas or air that is displaced or compressed during one complete cycle of the compressor. Therefore, the displacement of the compressor is 628 cubic centimeters. This means that during one complete cycle of the compressor, it displaces or compresses 628 cubic centimeters of gas or air. The displacement is an important parameter of a compressor, as it determines its capacity or the amount of gas or air that it can compress in a given time.

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The displacement of the compressor is 160π cubic centimeters.

To find the displacement of the compressor, we first need to understand what displacement means. Displacement is the change in position of an object in a specific direction. In this case, the compressor has a bore of 8 centimeters and a stroke of 10 centimeters. The displacement of the compressor can be calculated as the product of the bore area (πr^2) and the stroke length.

Displacement = π(4^2) * 10 = 16π * 10 = 160π cubic centimeters.

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Answer:(0,-12)

Step-by-step explanation:

A polynomial that represents the third side of a triangle is 3x + 12

For given question,

The perimeter of a triangle is given by the expression p = 5x+1.

the length of one side is x-4

and the length of the other side is x-6.

Let m represents the third side of the triangle.

We know that the perimeter of a triangle is the sum of all three sides of the triangle.

⇒ p = (x - 4) + (x - 6) + m

⇒ 5x + 1 = 2x - 10 + m

⇒ 5x - 2x + 1 + 11 = m

⇒ m = 3x + 12

This is an expression of the third side of a triangle.

Therefore, a polynomial that represents the third side of a triangle is 3x + 12

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Answer:

6.1 seconds

Step-by-step explanation:

set the equation equal to zero

0 = -16t² + 97.6t

factor out t

t(-16t + 97.6) = 0

-16t =- 97.6

t =  6.1

The NFL kicker's kicks remain in the air on average for approximately 3.05 seconds.

To find the average hang time of the NFL kicker's kicks, we need to determine the time at which the height (h) reaches its maximum value. The maximum height corresponds to the peak hang time.

The equation that models the hang time is given as: h = -16t^2 + 97.6t

This is a quadratic equation in the form: h = at^2 + bt + c

In our case, a = -16, b = 97.6, and c = 0 (since there is no constant term).

The time (t) at which the height (h) reaches its maximum value can be found using the formula: t = -b / 2a

Let's calculate the time (t):

t = -b / 2a

t = -97.6 / (2 * -16)

t = -97.6 / -32

t = 3.05 seconds (rounded to two decimal places)

So, the NFL kicker's kicks remain in the air on average for approximately 3.05 seconds.

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Answer:

Step-by-step explanation:

To find the surface area, we need to find the area of all the squares and triangles available.

Solution:

Now, multiply the area of the triangle by 4.

Now, let's find the area of the square.

Now, add the area of the triangles and the squares.

Hence, the surface area of the pyramid is 63 cm².

Answer:

There are several ways of solving this problem, and also any problem similar to this. We can start calculating what the 1/4 of 5 is.

To calculate that, we only need to multiply 5 by the fraction:

\(5*\frac{1}{4}\) = \(\frac{5}{4}\) = 1.25

And now, we know that from the 5 dollars, 1.25 is discounted, so we now substract 1.25 dollars to the ffive it costed initially.:

5 - 1.25 = 3.75 dollars

Answer:

15.9%.

Explanation:

The mean = 39.5

Standard deviation = 18

Raw Value, X=21.5

To find the probability that a person chosen at random from this church is ages 21.5 or younger, we first find the Z-Score.

Next, we check the P-Value from the Z-Table.

Therefore, the probability that a person chosen at random from this church is ages 21.5 or younger is 15.9%.

Amount of water produced in 6 days is 15.6×10⁶.

We will simply perform multiplication to find the amount of water produced in 6 days.

Amount of water produced in 6 days = amount of water produced in one day × 6

Amount of water produced in 6 days = 2.6×10⁶×6

Performing multiplication to find the amount of water produced in 6 days

Amount of water produced in 6 days = 15.6×10⁶

The answer is in scientific notation as 15.6 is coefficient, 10 is base and 6 is exponent. Therefore, amount of water produced by plant in 6 days is 15.6×10⁶.

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In Algebra 2, students typically use a scientific calculator.

A scientific calculator has advanced functions beyond basic arithmetic operations.

Some of the functions commonly used in Algebra 2 include logarithms, exponents, trigonometric functions, and statistical calculations. Therefore, a scientific calculator with these functions would be most useful for Algebra 2.

Examples of calculators that are often used in Algebra 2 include the TI-84 Plus , the TI-Nspire CX, the Casio fx-9750GII, and the HP Prime Graphing Calculator.

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Okay, here we have this:

First let's calculate how much is he earning selling 20 glasses each glass for 10¢:

Actual Earnings=20*10¢=200¢

Now, let's calculate how much will he earn if raises the price to 20¢ and sell the 15 glasses that he is estimating:

Future Earning=15*20¢=300¢

Let's calculate the diference now:

Diference=300¢-200¢=100¢

According with this he will earn 100¢ more if he charges 20¢ per glass instead of 10¢.

Answer: I believe the answer is M= -4

Step-by-step explanation: