the difference of the two numbers is 5 and their quotient is 2​

Answer:

Time = 1.45152 seconds

Step-by-step explanation:

1 foot = 0.000189 mile

300 ft = 300*0.000189

300 ft = 0.0567 miles

492 ft = 492*0.000189

492 ft = 0.092988 miles

Distance left to be covered by the train

= 0.092988-0.0567

= 0.036288 miles

Speed= 90mph

Time taken = distance/speed

Time taken= 0.036288/90

Time = 4.032*10^-4 hour

Time = 4.032*10^-4*60*60

Time = 1.45152 seconds

Answer:

-1

Step-by-step explanation:

Answer:

-1

Step-by-step explanation:

its the same as 2 - 1 you just add the - sign to your answer

hope this helps

Answer:

12.

Step-by-step explanation:

if to re-write the given condition, then

\(\frac{3}{0.25} =\frac{18}{1.5} =\frac{30}{2.5} =\frac{36}{3} ;\)

it is clear, the required constant is 12 (12 per hour).

The solution is, the simplification of the equation is :

4x^2 - 4 = (2x -2 ) (2x+2)

Here, we have,

given that,

the expression is:

4x^2 - 4

now, we have to simplify this.

we know that ,

The a^2 - b^2 formula is also known as "the difference of squares formula". The a square minus b square is used to find the difference between the two squares without actually calculating the squares.

It is one of the algebraic identities.

It is used to factorize the binomials of squares.

The a^2 - b^2 formula is given as:

a^2 - b^2 = (a - b) (a + b).

so, we have,

4x^2 - 4

= (2x)^2 - 2^2

= (2x -2 ) (2x+2)

Hence, The solution is, the simplification of the equation is :

4x^2 - 4 = (2x -2 ) (2x+2)

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Factor out 1/n⁴, and distribute the sum over each term:

\(\displaystyle\sum_{i=1}^n\frac{2i^3-3i}{n^4}=\frac1{n^4}\sum_{i=1}^n(2i^3-3i)\)

\(\displaystyle\sum_{i=1}^n\frac{2i^3-3i}{n^4}=\frac2{n^4}\sum_{i=1}^ni^3-\frac3{n^4}\sum_{i=1}^ni\)

Recall the following formulas:

\(\displaystyle\sum_{i=1}^ni=\frac{n(n+1)}2\)

\(\displaystyle\sum_{i=1}^ni^3=\frac{n^2(n+1)^2}4\)

So we have

\(\displaystyle\sum_{i=1}^n\frac{2i^3-3i}{n^4}=\frac{n^2(n+1)^2}{2n^4}-\frac{3n(n+1)}{2n^4}=\boxed{\dfrac{(n+1)(n^2+n-3)}{2n^3}}\)

Answer:

Definition of perpendicular lines

Step-by-step explanation:

Answer:

You aren't allowed to post tes questions, oh well I will help though. The answer is going to be 3/8 miles I believe.

Step-by-step explanation:

3/4 - 3/8 = 6/8 - 3/8 = 3/8

Answer:

x=6/7            hope i did it right- im so sorry if thats wrong

Step-by-step explanation:

Ben must bowl 130 in his third game so that the average will be of at least 160.

Given that, Ben bowled 157 and 193 in his first two games. So, we have to calculate the average of his third bowl to have an average of at least 160.

Let the average of third bowl be x.

The average is known as the arithmetic mean which is the sum of all numbers in a collection, divided by the count of the numbers present in the collection. In other words, the average is the ratio of the sum of all given observations to the total number of observations. Hence, the average formula is:

Average = Sum of the Observations/Number of Observations

160 = 157+193+x/3

⇒ 160×3 = 157+193+x

⇒ 480 = 350+x

⇒ 480-350 = x

⇒  130 = x

Therefore, Ben must bowl 130 in his third game so that the average will be of at least 160.

Hence, 130 is the required answer.

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As a result, the slope is 1/5 and the y-intercept is 2, and the equation is written in slope-intercept form as y = (1/5)x + 2.

On a two-dimensional coordinate plane, the equation of a line is shown using the slope-intercept form. Y = mx + b, where m is the line's slope and b is the y-intercept, is how the equation is expressed. The pace at which the line is rising or dropping is indicated by the slope (m). It is the ratio of any two places on the line's vertical change (rise) to horizontal change (run). In other words, it informs you of the line's steepness. The line is rising from left to right if the slope is positive, and descending from left to right if the slope is negative.

given

We must find y in order to convert the equation 2x - 10y = -20 into slope-intercept form, which is represented by the formula y = mx + b, where m is the slope and b is the y-intercept.

2x - 10y = -20

Initially, we must separate the y term from the other terms by deducting 2x from both sides:

-10y = -2x - 20

The next step is to separate y by multiplying both sides by -10:

y = (2/10)x + 2

When we simplify the fraction, we obtain:

y = (1/5)x + 2

As a result, the slope is 1/5 and the y-intercept is 2, and the equation is written in slope-intercept form as y = (1/5)x + 2.

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Carlos needs to earn at least 16 points on the final quiz to earn at least a 90% average.

We have,

Let's start by finding the total number of points that Carlos can earn in the class:

Total points

= 5 quizzes x 20 points per quiz

= 100 points

If Carlos needs an average of 90% or greater, that means he needs to earn at least 90 points out of 100.

Total points earned.

= 18 + 19 + 17 + 20

= 74 points

To find the minimum score Carlos needs on the final quiz, we can set up an inequality:

(74 + x) / 5 ≥ 0.9

where x is the score on the final quiz.

Simplifying this inequality.

74 + x ≥ 90

x ≥ 16

Therefore,

Carlos needs to earn at least 16 points on the final quiz to earn at least a 90% average.

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Step-by-step explanation:

This is a simple system of equations problem, with our equation being:

\(\frac{4}{7}x+9=x\)

We know this as her dogs (x) is equal to 4/7 of her dogs (x) plus 9. Now all we must do is solve for x:

\(\frac{4}{7}x+9=x\\\\\frac{4}{7}x=x-9\\\\\frac{4}{7}x=\frac{7}{7}x-9\\\\\frac{-3}{7}x=-9\\\\x=21\)

since is an eigenvector of with eigenvalue , we can express the second column of the matrix as . So the matrix is given by:

\($$\begin{bmatrix}\lambda_1 & 0 \\0 & \lambda_2\end{bmatrix}$$\)

This matrix is a diagonal matrix, which is a matrix with all entries except for those on the main diagonal set to zero. In this matrix, the main diagonal elements, which are the elements on the diagonal from the upper left to the lower right, are labelled \(\lambda_1$ and $\lambda_2\)This matrix is symmetric, meaning that the transpose of the matrix is equal to the original matrix. The matrix represents a linear transformation in which the eigenvalues \(\lambda_1$ and $\lambda_2\) represent the scalar factors by which the vectors in the transformed space are scaled. The eigenvalues of this matrix can be used to determine the magnitude of the transformation it performs.

The eigenvalues of this matrix can be calculated by solving the equation

\(\det(\mathbf{A} - \lambda \mathbf{I}) = 0\)

where \(\mathbf{A}\) is the matrix and \(\mathbf{I}\) is the identity matrix.

In this case, we have

\($\det\begin{bmatrix}\lambda_1 - \lambda & 0 \\0 & \lambda_2 - \lambda\end{bmatrix}\)

=\((\lambda_1 - \lambda)(\lambda_2 - \lambda)\) = 0.

Solving this equation for \(\lambda$, we get $\lambda = \lambda_1\) and \(\lambda = \lambda_2\)Therefore, the eigenvalues of this matrix are \(\lambda_1 and \lambda_2\)

the complete question is : use an eigenbasis to determine a matrix consider an matrix such that is an eigenvector of with eigenvalue and is an eigenvector of with eigenvalue . determine the Given an matrix such that is an eigenvector of with eigenvalue and is an eigenvector of with eigenvalue , what is the matrix.

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Answer:

-41, -16, 0, 12, 34

Step-by-step explanation:

If you look at a number line, negatives are below zero, so that means negatives are lower then zero. The higher the negative, the further from zero, meaning they are even more less

We can use the formula for the area of a rectangle, which is:

Area = length x width

We know that the area of Mr. Baker's yard is 1,472 square feet, and the width is 32 feet. So we can substitute these values into the formula and solve for the length:

1,472 = length x 32

Dividing both sides by 32, we get:

length = 1,472 / 32 = 46

Therefore, the length of Mr. Baker's yard is 46 feet.

The length AC in the kite is 8.7 cm.

A kite is a quadrilateral that has two pairs of consecutive equal sides and

perpendicular diagonals. Therefore, let's find the length AC in the kite.

Hence, using Pythagoras's theorem, let's find CE.

Therefore,

7² - 4² = CE²

CE = √49 - 16

CE = √33

CE = √33

Let's find AE as follows:

5²- 4² = AE²

AE = √25 - 16

AE = √9

AE = 3 units

Therefore,

AC = √33 + 3

AC = 5.74456264654 + 3

AC = 8.74456264654

AC = 8.7 units

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The product of the two linear functions is:

(fg)(x) =  8x^2 + 10x  - 3

A general linear funuction can be written as:

f(x)= a*x  +b

Let's say that our functions are:

f(x) = ax + b

g(x) = cx + d

The sum is:

(f + g)(x) = ax + b + cx + d = (a + c)x + (b + d)

(f - g)(x) = ax + b - cx - d  =(a - c)x + (b - d)

And we know that:

(f+g)(x)=-6x-2 and (f-g)(x)=-2x+4.

Then we can write:

(a + c)x + (b + d) = -6x - 2

(a - c)x + (b - d) = -2x + 4

Then we have 4 equations:

a + c = -6

b + d = -2

a  - c= -2

b - d = 4

Solving these we can get:

a = -4

c = -2

b = 1

d = -3

(you can check these values)

The two linear functions are:

f(x) = -4x + 1

g(x) = -2x - 3

The product is:

(fg)(x) = (-4x + 1)*(-2x - 3) = 8x^2 + 12x - 2x - 3

                                       = 8x^2 + 10x  - 3

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3 1/2 cups can be expressed as the multiplication expression: 3 + 1/2.

To express 3 1/2 cups as a multiplication expression using the unit "1 cup" as a factor, you can write it as:

3 1/2 cups = (3 + 1/2) cups = 3 cups + 1/2 cup

Since there are 1 cup in each term, we can rewrite it as:

3 cups + (1/2) cup

Now, we can express each term as a multiplication expression:

3 cups = 3 * 1 cup = 3

(1/2) cup = (1/2) * 1 cup = 1/2

Putting it all together, the multiplication expression is:

3 * 1 cup + (1/2) * 1 cup = 3 + 1/2

Therefore, 3 1/2 cups can be expressed as the multiplication expression: 3 + 1/2.

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There is no change in its slope as initial and final slope is 1.

What is slope?

In arithmetic, the slope or gradient of a line may be a variety that describes each the direction and therefore the abruptness of the line.

Main body:

formula for slope with two points form is =

y -y₁ =( y₂-y₁ /x₂-x₁ )(x - x₁)

according to question ,

points are (0,0) and (3,3)

y - 0 = (3-0/3-0)(x -0)

y = 3/3 *x

y = x

hence slope of line is 1.

Now points are (0,0) and (-3,-3).

y - 0 = (-3-0/-3-0)(x -0)

y =- 3/-3 *x

y = x

hence slope of line is 1.

So there is no change in its slope.

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Answer:

26

Step-by-step explanation:

You can substitute 9 into 17+r, as r is equal to 9. 17+9=26.

The model predicts that the net discharge will be -0.8 + 1.2 cos(24) billions of cubic feet from t = 0 to t = 12.

The net amount of water discharged from the Poudre river from t = 0 to t = 12 can be found using the Fundamental Theorem of Calculus, which states that the net change in a function over an interval is equal to the function evaluated at the endpoints of the interval minus the function evaluated at the beginning of the interval.

In this case, the net discharge from t = 0 to t = 12 can be calculated as follows:

Net discharge = F(12) - F(0)

= (1.5 + 1.2 cos(212)) - (1.5 + 1.2 cos(20))

= 1.5 + 1.2 cos(24) - 1.5 - 1.2

= -0.8 + 1.2 cos(24)

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The length of line x in the figure of the cube given is 19.

Calculate the length of the base of the cube, which is the diagonal of the lower sides :

base length = √10² + 6²

base length = √136

The length of x is the diagonal of the cube

x = √(√136)² + 15²

x = √136 + 225

x = √361

x = 19

Therefore, the length of line x in the figure given is 19.

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Answer:

Step-by-step explanation:

The measure of angle ADC in the geometric system is equal to 55°.

In this question we find a geometric system formed by a quadrilateral and an angle vertical to a vertex of the quadrilateral. Angle CDE is supplementary to angles EDF and ADC. Two angles are supplementary whose sum of measures equals 180°. Therefore:

m ∠ CDE + m ∠ EDF = 180°

(2 · x + 1) + (x - 7) = 180°

3 · x - 6 = 180°

3 · x = 186°

x = 62

m ∠ CDE = 2 · x + 1

m ∠ CDE = 2 · 62 + 1

m ∠ CDE = 125°

m ∠ ADC = 180° - 125°

m ∠ ADC = 55°

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Answer:

y=3x+12

Step-by-step explanation:

Use this formula: y-y1=m(x-x1)
(y-Your y point=slope(x-Your x point)

Point= (-2, 6), Slope= 3

(Anything negative, you add. Anything positive, you subtract.)

Plug in your values: y-6=3(x+2)
distribute: y-6=3x+6
Add six to both sides of the equation:y-6(+6)=3x+6(+6)
We get our answer: y=3x+12
Hope this helps!! :)

Firstly this looks like translated log function graph

log1=0

As per graph the graph is pulled some inwards y axis but little bit

Usually log x leaves y axis at -1 but here it leaves at +2

So

y axis is moved upwards (+3)

Last function

Answer:

 The equation of the line is y=3x-2

Step-by-step explanation:

Slope (m ) = y2-y1/ x2-x1

             =  4-7/2-3

             = -3/-1

         m   = 3

We have the slope of the line m= 3, so the line equation is  

y= mx+b

y =3x+b

For instance, the first point(3,7):

y= mx +b

7=3*3+b,

7= -9 +b

b= -2

 The equation of the line is y=3x-2

If the radius of Jasmine's swimming pool is 4.2 meter, then it's circumference is 26.4 meters.

The "Circumference" of a circle is known as the distance around the boundary of a circle.

The circumference of a circle is given by the formula : 2 × π × radius,

where π (pi) is a mathematical constant approximately equal to 3.14,

We are given that Jasmine's swimming pool has a radius of 4.2 meters.
So, we can calculate the circumference of the pool as :

⇒ Circumference = 2 × 3.14 × 4.2 meters,

⇒ Circumference ≈ 26.4 meters,

Therefore, the circumference of Jasmine's swimming pool is 26.4 meters.

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1/4π radians is approximately equal to 45 degrees.

To convert a value from radians to degrees, multiply the value by 180/π. For example, to convert π/4 radians to degrees, multiply π/4 by 180/π to get 45 degrees. This conversion is useful for converting angles between the two units of measurement.

Degrees = Radians × 180/π.

Therefore, to convert 1/4π radians to degrees, we have:

Degrees = (1/4π) × (180/π) ≈ 45°

Hence, 1/4π radians is approximately equal to 45 degrees.

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