Joshua has 60 cents in his pocket. One coin is a quarter, and the others are
nickels. How many nickels does he have?

The equation that can be used to determine the radius of the can isr = √(v/πh)

For example, Y is the subject of the following equations. Y = x + 1, Y = 4 + 2x, Y = 2(2x – 3). In the relation v=u + at, v is said to be the subject. When a formula is rearranged so that a different letter becomes the subject, this process is referred to as changing the subject of the relation.

Similar making r the subject in V= π r^2 h

divide both sides by πh

V/πh = r²

r² = V/πh

r = √(V/πh)

therefore the radius of the can be obtained from

r = √(V/πh)

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Answer:

(15×7)×29/€549×898×68

Answer:

it is a function

Step-by-step explanation:

Answer:

Since there is one value of y for every value of x in ( − 4, 5 ), ( 1, − 1 ), ( 2, − 2), this relation is a function.

The relation is a function.

Hope this helps (●'◡'●)

The degrees of freedom in the given regression model is 33.

In a regression model that has 40 observations, 6 independent variables and one intercept, the degrees of freedom can be calculated using the formula below:

Degrees of freedom = (number of observations) - (number of independent variables + 1)

Degrees of freedom = 40 - (6 + 1)Degrees of freedom = 33

Therefore,

the correct answer is option (a) 33.Explanation:

In the given scenario, the number of observations is 40, the number of independent variables is 6, and the model has one intercept.

To find the degrees of freedom, we can use the formula given above.

Degrees of freedom = (number of observations) - (number of independent variables + 1)Substituting the given values in the formula, we get:

Degrees of freedom = 40 - (6 + 1)Degrees of freedom = 40 - 7Degrees of freedom = 33

Therefore, the degrees of freedom in the given regression model is 33.

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The hydrologic cycle, also known as the water cycle, plays a crucial role in the Earth's natural processes. It involves the continuous movement of water between the Earth's surface, atmosphere, and underground reservoirs.

The importance of the hydrologic cycle can be understood by considering its various functions:

Transport: The hydrologic cycle facilitates the transport of water across the Earth's surface, including rivers, lakes, and oceans. This movement of water is vital for the distribution of nutrients, sediments, and organic matter, which are essential for the functioning of ecosystems.

Weathering and Contaminant Transport: Water plays a significant role in weathering processes, such as erosion and dissolution of rocks and minerals. It also acts as a carrier for contaminants, pollutants, and nutrients, influencing their transport through the environment.

Energy Balance: Water has a high heat capacity, which means it can absorb and store large amounts of heat energy. This property helps regulate the Earth's temperature and climate by transporting heat through evaporation, condensation, and precipitation.

Greenhouse Gas: Water vapor is a major greenhouse gas that contributes to the Earth's natural greenhouse effect. It absorbs and re-emits thermal radiation, trapping heat in the atmosphere. Approximately 80% of the atmospheric greenhouse effect is attributed to water vapor.

Life: Water is vital for supporting life on Earth. It provides a habitat for numerous organisms and serves as a medium for various biological processes. Terrestrial life forms, including plants, animals, and humans, rely on water availability for their survival, growth, and reproduction.

It is important to note that while water is critical for most terrestrial life forms, human beings have developed technologies and systems that allow them to inhabit regions with limited water availability. However, water still remains a fundamental resource for human societies, and the hydrologic cycle plays a crucial role in ensuring its availability and sustainability.

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The salt will acquire octahedral hole. Thus option B is correct .

Given,

\(r^{+} = 165\\ r^{-} = 297\)

Now,

Find the coordination number ,

Radius ratio = \(r^{+} / r^{-}\)

Substitute the values of radius of salt to get the coordination number .

Radius ratio = 165/297

Radius ratio = 0.556 .

If the radius ratio is between 0.414 and 0.732

Range of radius ratio : 0.414 < r < 0.732

Then coordination number is 6 . If the coordination number is 6 then it will acquire octahedral void .

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Answer:

true

Step-by-step explanation:

yas

Answer:

B

the answer of this question is option B

Answer:

Step-by-step explanation:

Answer:

Main Differences Between Factor vs Multiple

Let us further discuss the difference between factor and multiple in the table below.

Basis of Comparison Factor Multiple

Definition It is a figure that gives a specific or definite outcome when it divides another figure It is the product of two whole numbers.

Results Less than or equal to such a specific figure Greater than or equal to the given figure.

Numbers of Result Limited Unlimited or continuous

Operation involved Division (÷) Multiplication (×)

Illustration If A divides B, A is factor of B If A is divisible by B and C, A is a multiple of B and C.

Difference Between Factor and Multiple: Conclusion

In conclusion, multiple vs factor concept is distinctive because the former uses multiplication (×) as a method of operation while latter uses division (÷). However, these two operations can be used together in a given equation or mathematical problem to get an expected outcome.

Though these two concepts are mostly taught in the elementary classes, they are inevitable in the arithmetic circus. One must be grounded in them and be sure of how they are applicable in every relevant equation. The good thing is that this guide has shown you their meanings, how to apply them, and the key discrepancies.

Step-by-step explanation:

Answer:

C Answer 2

Step-by-step explanation:

I checked it and it’s right hope this helps!!

Answer:

C 2020 ed

Step-by-step explanation:

its 2 btw

The equation of the quadratic function represented by the table is;

f(x) = -2x² - 8x + 42

The general form of a quadratic equation is;

y = ax² + bx + c

At x = 0, y = 42

Thus, c = 42

When x = 3, y = 0.

Thus;

9a + 3b + 42 = 0

9a + 3b = -42    -----(1)

At x = 1, y = 32. Thus;

a + b + 42 = 32

a = -10 - b

Put -10 - b for a in eq 1 to get;

9(-10 - b) + 3b = -42

-90 - 6b = -42

-6b = 48

b = -8

a = -10 - (-8)

a = -2

Thus;

f(x) = -2x² - 8x + 42

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Answer:

0.01%

Step-by-step explanation:

There's no need to worry about a problem like this, it's easy. All you have to do is find the area of the smaller rectangle, being 50, then find the area of the other one, 5000, and divide the smaller by the larger and transfer it to a percentage. 50/5000 = 0.01 = 0.01%

To estimate errors in the approximations t8 and m8, we can use the fact that the range of the sine and cosine functions is bounded by ±1.

In part (a), we have approximations t8 and m8.

To estimate the error in t8, we can compare it to the actual value of the function. Let's denote the actual value of the function at t8 as T8. Since the range of the sine function is bounded by ±1, the maximum error in the approximation t8 would be |t8 - T8| ≤ 1.

Similarly, to estimate the error in m8, we can compare it to the actual value of the function. Let's denote the actual value of the function at m8 as M8. Since the range of the cosine function is also bounded by ±1, the maximum error in the approximation m8 would be |m8 - M8| ≤ 1.

Therefore, the estimated errors in the approximations t8 and m8 are |et| ≤ 1 and |em| ≤ 1, respectively.

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Answer:

DE = 15, AB = 6

Step-by-step explanation:

Because the triangles are similar, that means that the sides are proportional to each other. The ratio of CE to AC is 24/8 which is 3. That means that each length of the small triangle is 3 times smaller than the same side on the larger triangle.

Answer: 10

Step-by-step explanation:

(AP3X

Answer:

m<1 = 60° if m<7=60°

Step-by-step explanation:

The are the same angle degree.

Answer:

2215

Step-by-step expla1st off wrRCWCvvcvvv

Answer:

1: Neither

2: Parallel

3: Perpendicular

4: Neither? (Not sure on this one)

Answer:

(4,-36)

Step-by-step explanation:

Since the roots of the equation are -2 and 10, you can set up the quadratic like this:

\(y=(x+2)(x-10)\)

Expanded:

\(y=x^2-8x-20\)

To find the x-coordinate of the vertex, use: \(x_{vertex}=\frac{-b}{2a}\)

\(x_{vertex}=\frac{-(-8)}{2(1)}=\frac{8}{2}=4\)

Plug in 4 to either quadratic equation to get the y value:

\((4+2)(4-10)=(6)(-6)=-36\)

Thus the vertex is (4,-36)

If I helped, a brainliest would be greatly appreciated!

Answer:

bottom left choice

Step-by-step explanation:

use desmo lol. but u can just find the slope of each one and see if it is linear or not. here is the pic:

note: a1, a2, a3, a4 is the top left one, b1, b2, b3 is the top right, c1, c2, c3 is the bottom left.

hope it helps. maybe u have to visualize the graph by connecting the points

The mode of the given data values is N/A (not applicable).Hence, the mean, median, and mode of the given data values are:Mean = 54.36Median = 55.5Mode = N/A (not applicable)

Given data values are 55, 56, 70, 61, 53, 57, 50, 73, 52, 69, and 2. We need to calculate the mean, median, and mode of this sample.So, let's first arrange the data values in ascending order:2, 50, 52, 53, 55, 56, 57, 61, 69, 70, 73

Mean:The mean is the sum of all the data values divided by the total number of data values. So, we can use the following formula to calculate the mean:

Mean = (sum of all the data values) / (total number of data values)Sum of all the data values = 55 + 56 + 70 + 61 + 53 + 57 + 50 + 73 + 52 + 69 + 2 = 598Total number of data values = 11

Therefore,Mean = (sum of all the data values) / (total number of data values) = 598 / 11 = 54.36 (rounded to two decimal places)Therefore, the mean of the given data values is 54.36.

Median:The median is the middle value of a sorted data set. Since the data set has 11 data values, the median is the average of the 6th and 7th values (counting from smallest to largest).

Therefore, the median is :Median = (55 + 56) / 2 = 55.5Therefore, the median of the given data values is 55.5.

Mode:The mode is the data value that appears most frequently in the data set. In this case, there is no data value that appears more than once. So, there is no mode.

Therefore, the mode of the given data values is N/A (not applicable).Hence, the mean, median, and mode of the given data values are:Mean = 54.36Median = 55.5Mode = N/A (not applicable)

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The inequality for Erik to win is

|x- y| ≤ 10

And for Nita to win

|x- y| ≥ 10

Mathematical expressions with inequalities are those in which the two sides are not equal. Contrary to equations, we compare two values in inequality. Less than (or less than or equal to), larger than (or greater than or equal to), or not equal to signs are used in place of the equal sign.

Inequalities define the connection between two values that are not equal. Equal does not imply inequality. Typically, we use the "not equal sign (≠)" to indicate that two values are not equal. But several inequalities are utilized to compare the numbers, whether it is less than or higher than. The different inequality symbols, characteristics, and methods for resolving linear inequalities in one variable and two variables will all be covered in this article along with examples.

In the problem let the number chosen by Erik and Nita be x and y respectively .

here both x,y  ≤ 20

so the inequality for Erik to win is

|x- y| ≤ 10

And for Nita to win

|x- y| ≥ 10

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Answer:        0.17

Step-by-step explanation:

Answer:

0.175

Step-by-step explanation:

\(\frac{7}{40}\)

to express as a decimal divide 7 by 40 , that is

7 ÷ 40 = 0.175

Answer:

I think the  answer is D

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

Answer:

59/25 I believe

:)

Step-by-step explanation:

Answer:

2

Step-by-step explanation:

9 ÷ 3 - 2 × 2

3 - 2 × 2

1 × 2

2

Dilution without achieving the immobilization of contaminants is not an acceptable treatment option because it does not effectively address the problem of contamination.

When contaminants are diluted without being immobilized, they are simply dispersed in a larger volume of water or another medium. While this may reduce the concentration of contaminants in a given sample, it does not remove or neutralize them. As a result, the contaminants can still pose a risk to the environment, human health, or other organisms. Dilution without immobilization is essentially a temporary solution that does not provide a long-term remedy for the contamination issue.

In contrast, immobilization of contaminants involves capturing or binding them in a way that prevents their migration or release into the environment. This can be achieved through various methods such as solidification/stabilization, chemical reactions, or physical encapsulation. Immobilization effectively isolates the contaminants, reducing their mobility and potential for harm. It provides a more sustainable and permanent solution by minimizing the risk of contaminant release and spread.

Contaminant immobilization is an essential component of effective remediation strategies. It helps prevent the spread and recontamination of affected areas, safeguarding the environment and human health. Immobilization techniques can vary depending on the nature of the contaminants and the specific site conditions, and they often require careful consideration and expertise to ensure their effectiveness. By immobilizing contaminants, we can mitigate their negative impacts and work towards restoring contaminated sites to a safe and healthy state.

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Answer:

The slope of ( -2 , -5) and ( -1 , -2) is perpendicular to this line

Greetings from Brasil...

The slope is given by the expression:

ΔY/ΔX

where

ΔY = Y₂ - Y₁

ΔX = X₂ - X₁

slope = ΔY/ΔX

slope = (Y₂ - Y₁)/(X₂ - X₁)

slope = (2 - 5)/(- 1 - 2)

slope = (- 3)/(- 3)

Answer:

forth one

Step-by-step explanation:

8 students selected both .then only 24 of students selected only country music and only 6 students selected jazz music.

\(4 {x}^{3} {y}^{6} \)

OPTION A

Answer:

option B

Step-by-step explanation:

Cube root of x means  \(x^{\frac{1}{3}\)

Formulas used :

\((a^x)^y = a^{xy}\)

\((b^3)^{\frac{1}{3}} = b\)

Therefore cube root of :

                   \((216 x^9 y^{18})^{\frac{1}{3}} = (6^3 \times (x^3)^3 \times (y^6)^3)^{\frac{1}{3}}\)

                                     \(= (6^3)^{\frac{1}{3}} \times ((x^3)^3)^{\frac{1}{3}} \times ((y^6)^3)^{\frac{1}{3}}\)

                                     \(= 6 \times x^3 \times y^6\)

                                     \(=6x^3y^6\)

The excel statement to estimate the test average of these 4 grades is -

An average is the sum of many numbers divided by the total of numbers. It is also known as the arithmetic mean.

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