Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. Release your mouse button when the item is placed. If you change your mind, drag the item to the trashcan. Click the trashcan to clear all your answers.
Place the indicated product in the proper location on the grid.

(a + b )(a - 2b )

Answer:

-5(7y+1)

Step-by-step explanation:

-35y-5

Trouver le plus grand facteur commun et le diviser

Le plus grand facteur commun est -5

-35y/-5=7y

-5/-5=1

Simplifiez l'équation

-5(7y+1)

Je ne parle pas français mais j'espère que cela vous aidera.

The simplifies expression is -5x/6 - 8

The expression "quantity negative two thirds times x minus 6 end quantity minus quantity negative 14 plus one sixth times x end quantity" represents:

-(2/3)x - 6 - ( -14 + (1/6)x)

The process of simplifying an expression involves reducing the expression to its simplest form, making it easier to understand and manipulate. To simplify an expression, we combine like terms by adding or subtracting the coefficients.

We need to simplify this expression into its simplest form.

Thus,

-(2/3)x - 6 - ( -14 + (1/6)x) equals,

= -2x/3 - 6 +14 - x/6

= -(4+1)x/6 - 8

= -5x/6 - 8

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After resolving the force along u and v axes and determine the magnitudes of the components approx F(v) = 293N and F(u) = 566N.

The diagram of the question is given below:

It is necessary to resolve the stated force along the u and v axes. This actually suggests that the 800N force will finally be produced by the sum of the component forces along u and v.

Redraw the diagram in accordance with the force triangle.

According to the diagram:

θ = 180 - 30 - 15

θ = 135

The magnitude of the components will be created when the force along the u and v axes has been resolved.

Using the Sine Rule

F(v)/sin 15 = 800/sin 135 = F(u)/sin 30

Now solving the ratio by taking two ratio

F(v)/sin 15 = 800/sin 135

Multiply by sin 15 on both side, we get

F(v) = 800/sin 135 × sin 15

Using the calculator the value of sin 15 = 0.259 and sin 135 = 0.707

Now putting the value

F(v) = 800/0.707 × 0.259

F(v) = 207.2/0.707

F(v) = 293.1

F(v) = 293N(approx)

Now taking

F(u)/sin 30 = 800/sin 135

Multiply by sin 30 on both side, we get

F(u) = 800/sin 135 × sin 30

Using the calculator the value of sin 30 = 0.5 and sin 135 = 0.707

F(u) = 800/0.707 × 0.5

F(u) = 400/0.707

F(u) = 565.77

F(u) = 566N(approx)

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The equation in standard form of the line that passes through the point (6, 1) and is parallel to the line represented by 8x + 3y= 15 is equal to y = -8x + 43.

Mathematically, the point-slope form of a straight line can be calculated by using this mathematical expression:

y - y₁ = m(x - x₁) or y - y₁ = (y₂ - y₁)/(x₂ - x₁)(x - x₁)

Where:

From the information provided above, we have the following slope and data points on the line:

In Geometry, two (2) lines are parallel under the following conditions:

m₁ = m₂ ⇒ -8 = -8

At data point (6, 1), a linear equation of this line can be calculated in point-slope form as follows:

y - 1 = -8(x - 6)

y - 1 = -8x + 42

y = -8x + 42 + 1

y = -8x + 43

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The complete table is shown below.

The equation is: y= 53.x + 250.

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given:

Mai must spend $250 on wire and $5.30 per bracelet for beads.

a) 5.3 x 20 + 250 = 356 dollar

5.3 x 40 + 250 = 462 dollar

5.3 x 60 + 250 = 568 dollar

so, the complete table is

 Number of bracelets      cost in dollar

                 20                          356

                 40                          462

                 60                          568

b) let the number of bracelets be x and the cost is y dollar

so, the equation is

y= 53.x + 250

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The probability that their meeting will be held at the station would be = 1/4

Probability is defined as the representation of an expression which shows the possible outcome of an event.

The random time for the arrival of both friends at the station = ,7:20 - 7:00

= 20 minutes.

The extra minutes used to wait for each other which is outside the random time needed to arrive at the station = 5 min.

Therefore the probability for both of them meeting at the station = 5/20 = 1/4.

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(f ◦ g)(x) = -2x^2 + 11.

What is Composition of two functions ?

The new function obtained by performing f first and then g is the combination of two functions g and f.

The composition of two functions f and g, denoted by (f ◦ g)(x), is defined as the function that maps x to f(g(x)).

Given the functions f(x) = 2x + 3 and g(x) = -x^2 + 5, the composition of these two functions is:

(f ◦ g)(x) = f(g(x)) = f(-x^2 + 5) = 2(-x^2 + 5) + 3 = -2x^2 + 11

So, (f ◦ g)(x) = -2x^2 + 11.

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1,2,3,4,5,6-hexamethylcyclohexane is a six-membered ring molecule with six methyl groups attached to it. The arrangement of the methyl groups can be either axial or equatorial.

In an axial arrangement, the methyl groups are positioned along the axis of the ring and point up or down. An equatorial arrangement, on the other hand, has the methyl groups positioned on the equator of the ring, in a more coplanar arrangement. It is easier to distinguish between the two arrangements by visualizing the molecule in a chair conformation. In a chair conformation, the ring is twisted and two of the substituents are in axial positions and two are in equatorial positions. If all of the methyl groups in the molecule are in axial positions, they would point up or down in the chair conformation. If all of the methyl groups are in equatorial positions, they would be coplanar with the ring plane in the chair conformation.

In conclusion, the drawing of 1,2,3,4,5,6-hexamethylcyclohexane with all the methyl groups in axial positions shows the methyl groups pointing up or down in a chair conformation. The drawing with all the methyl groups in equatorial positions shows them to be coplanar with the ring plane in a chair conformation.

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The required expression are A = l * h = 2 * h * [tex]\sqrt(r^2 - h^2)[/tex] , 2 * (2 * [tex]\sqrt(r^2 - h^2)[/tex] + h).

A rectangle inscribed in a semicircle of radius r cm will have its sides parallel to the diameter of the semicircle, with one side coinciding with the diameter and the other side forming a chord of the circle.

Let the length of the rectangle be l cm. Then, the height of the rectangle h and the radius of the semicircle r form a right triangle with hypotenuse r and legs h and l/2. By the Pythagorean theorem, we have:

r^2 = h^2 + (l/2)^2

Expanding and solving for l, we have:

l = 2 √(r^2 - h^2)

The area A of the rectangle can be found by multiplying the length and height:

A = l * h = 2 * h * [tex]\sqrt(r^2 - h^2)[/tex]

The perimeter P of the rectangle can be found by adding up the lengths of the four sides:

P = 2l + 2h = 2 * (2 * [tex]\sqrt(r^2 - h^2)[/tex] + h)

To find the dimensions that yield the maximum area, we can differentiate the expression for A with respect to h and set the derivative equal to zero:

dA/dh = 2 * [tex]\sqrt(r^2 - h^2)[/tex] - 2 * h^2 / [tex]\sqrt(r^2 - h^2)[/tex]= 0

Solving for h, we have:

h = r / [tex]\sqrt(2)[/tex]

Substituting this value of h back into the expression for l, we have:

l = 2 * [tex]\sqrt(r^2 - (r / \sqrt(2))^2) = 2 * r / \sqrt(2)[/tex]

So the dimensions that yield the maximum area are a length of 2r/sqrt(2) cm and a height of r/sqrt(2) cm. The maximum area is given by:

A = 2 * (r / [tex]\sqrt(2)) * r / \sqrt(2)[/tex] =r²/√2.

A = r²/√2

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The value of x1 = -4 and the value of x2 = 26/3 for the given inverse of the coefficient matrix.

The placement of numbers in rows and columns to create an array is known as a matrix.

A row is a horizontal arrangement, whereas a column is a vertical arrangement. Every integer in the matrix is referred to as an element, and its location is symbolized by A_mn.

Using the matrix, we can write the equation as:

AX = B

X = A^-1 B

[tex]\left[\begin{array}{c}X_1&X_2\end{array}\right] = \left[\begin{array}{cc}-1&-1\\2&\frac{5}{3} \end{array}\right] \left[\begin{array}{cc}6\\ -2\end{array}\right][/tex]

Using the matrix multiplication, we have:

[tex]\left[\begin{array}{c}X_1&X_2\end{array}\right] = \left[\begin{array}{cc}-4\\ \frac{26}{3} \end{array}\right][/tex]

Hence, the value of x1 = -4 and the value of x2 = 26/3 for the given inverse of the coefficient matrix.

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The solution to the initial-value problem is  y^4 = -2 + (c^4 + 2) e^28(1-cosx)

A differential equation is an equation which contains one or more terms and the derivatives of one variable (i.e., dependent variable) with respect to the other variable (i.e., independent variable) dy/dx = f(x) Here “x” is an independent variable and “y” is a dependent variable. For example, dy/dx = 5x.

Given Differential Equation is  y^3 dy/dx = (7y^4 + 14) sin(x)

we have to put y^4 = z and

then, reduce the differential equation to find out I.F value.

and next we have to find out general solution of z(I.F) = [tex]\int\limits\, (I.F)Q dx + c[/tex]

and then put y(0) to get c value

so, we get y^4 = -2 + (c^4 + 2) e^28(1-cosx)

Please refer below attached image for complete solving process.

Thus, the solution to the initial-value problem is  y^4 = -2 + (c^4 + 2) e^28(1-cosx)

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The lateral area of the cone is 113.1 cm²

Let the radius of the circular base of the cone be r. Then the slant height, L of the cone is 4r.

The formula for the area of a circle is given by the formula

= πr^2.

Since the area of the circular base of the cone is 9π cm², we can write the following equation:

πr^2 = 9π

Dividing both sides by π, we get:

r^2 = 9

Taking the square root of both sides, we get:

r = 3

The lateral area of a cone can be calculated using the formula:

= πrL,

where L is the slant height of the cone.

Lateral area = π * r * L

= π * 3 * 4r

= 3 * 4 * 3 * π

= 36π

So, the approximate lateral area of the cone is 36π cm², which is approximately 113.1 cm².

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The tank will contain 350 lb of salt when it is full of brine.

What is rate ?

A rate is the ratio between two related quantities in different units. If the denominator of the ratio is expressed as a single unit of one of these quantities.

The amount of salt in the tank can be calculated using the principle of mass conservation. The rate at which salt is entering the tank is equal to the rate at which it is flowing out, so the total amount of salt in the tank will remain constant.

Let x be the amount of salt in the tank when it is full. Then:

x = 50 + 1 * (400 - 100) = 50 + 300 = 350 lb

So, the tank will contain 350 lb of salt when it is full of brine.

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The tank will contain 350 lb of salt when it is full of brine.

A rate is the ratio between two related quantities in different units. If the denominator of the ratio is expressed as a single unit of one of these quantities.

The amount of salt in the tank can be calculated using the principle of mass conservation The rate at which salt is entering the tank is equal to the rate at which it is flowing out, so the total amount of salt in the tank will remain constant.

Let x be the amount of salt in the tank when it is full. Then:

x = 50 + 1 * (400 - 100) = 50 + 300 = 350 lb

So, the tank will contain 350 lb of salt when it is full of brine.

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The required volume of the solid which was obtained by rotating the region bounded by the curve about a line is equal to  ( π/2 ) (  e⁻⁴  + e⁴).

Graph is attached.

Volume of the solid rotating the region bounded by the curves about a line with y = eˣ with x = −2, x = 2 about x-axis.

=π [tex]\int_{-2}^{2}[/tex] [( eˣ - 0)² ] dx

= π [tex]\int_{-2}^{2}[/tex] e⁽²ˣ⁾ dx

= π (e²ˣ) / ( 2 [tex]|_{-2}^{2}[/tex]

= ( π/2 )[  e⁻⁴  - e⁴  ]

= ( π/2 ) (  e⁻⁴  +  e⁴ )

Graph is attached.

Therefore, the volume of the solid of the rotating region bounded by curves about line is equal to  ( π/2 ) (  e⁻⁴  +  e⁴ ).

Graph is attached.

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The variance of a random variable is a measure of its spread and is the variance of X is 25.

The variance of a random variable is a measure of its spread and is calculated as the average of the squares of the differences between each value and the mean. Mathematically, the variance of a random variable X is denoted as Var(X) and is computed as follows: Var(X) = E[X^2] - (E[X])^2, where E[X] is the expected value of X.

To illustrate, let X be a random variable with the following values: {2, 4, 6, 8}. The expected value of X is 5 (E[X] = (2+4+6+8)/4). Therefore, the variance of X can be computed as follows:

Var(X) = E[X^2] - (E[X])^2

= (2^2 + 4^2 + 6^2 + 8^2)/4 - (5)^2

= 50 - 25

= 25

Hence, the variance of X is 25.

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Answer:the answer of this slope is  7 an 24

Step-by-step explanation:

To find your “Aro for once per one week”, you need to first create an account on the Aro app.

Once you have created an account, you can add your weekly commitments, such as meetings, classes, or other activities, to your calendar. You can then set up a recurring event that will occur once per week.

You can also customize the recurring event by setting the date and time, adding a description and location, and inviting other people to join. Once you have created the recurring event, you can view it on your calendar and easily adjust it if something changes.

Aro makes it easy to plan and manage your weekly commitments by allowing you to create recurring events. With Aro, you can easily keep track of your weekly commitments and ensure that you don’t miss any important appointments.

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On solving the provided question, we can say that the provided expression is = 5a -25  since it is linear expression, so it will have only one factor, a = 5

In mathematics, the integer m serves as the divisor (also known as factor n) of an integer n, which may be multiplied by the integers to get n. We may also state that n in this situation is a multiple of m. A number without a residue that divides another number is said to be a factor. In other words, if you multiply two integers to create a product, the numbers you multiply are factors of the product since the result is divisible by the numbers you multiply. Factors can be found using either division or multiplication.

the provided expression is = 5a -25

since it is linear expression, so it will have only one factor

5a -25

5a = 25

a = 5

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Answer:

The expression is:

4K

But as an equation, it would be:

T = 4K

Step-by-step explanation:

K = Kelli's age

T = Trey's age

Trey is 4 times older than Kelli

T = (4)(K)

(b) The sampling distribution of the sample mean is a normal distribution with a center of 7.5 and spread equal to the standard error (SE) of the mean.

The standard error of the mean is calculated using the formula SE = SD/√n, where SD is the standard deviation of the population and n is the sample size. In this case, the sample size is 4, so the standard error of the mean is equal to SE = SD/√4.

(c) The probability of making a Type I error is equal to the probability of observing a sample mean outside the safe pH levels given that the population mean is 7.5. This can be calculated using the formula for a normal distribution:

P(x < x1 or x > x2) = P(x < x1) + P(x > x2)

where x1 and x2 are the lower and upper boundaries of the safe pH levels. To calculate the probability, we need to find the z-scores of x1 and x2 using the formula

z = (x - µ)/SE

where µ is the population means and SE is the standard error of the mean. In this case, µ = 7.5 and SE = SD/√4. We can then use the z-score to calculate the probability of observing a sample mean outside the safe pH levels. The probability of making a Type I error is equal to the sum of these two probabilities.

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The answer is B. Both Charlie and Annabeth will have travelled for the same amount of time.

They will have travelled the same amount of time. This is because the time spent traveling is determined by the total distance travelled, not the direction of travel. In this case, the distance between New York and the travellers' current location is decreasing at first and then increasing, suggesting that they have reached their destination and are now returning. Since the total distance travelled is the same regardless of the direction, the time spent traveling will also be the same for both travellers. Therefore, both Charlie and Annabeth will have travelled for the same amount of time.

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The required General Solution Of the Given Differential Equation is Y = e^(-4x) * (X^2/4 + 7x/4 + X^2/2 + 7x + C') + X^2/4 + 7x.

Any equation with one or more terms and one or more derivatives of the dependent variable with respect to the independent variable is referred to as a differential equation (i.e., independent variable) dy/dx = f (x) In this case, the variables "x" and "y" are independent and dependent, respectively. For illustration, dy/dx = 5x.

The general solution to the differential equation Y' = 4Y + X^2 + 7 can be found by using an integrating factor. The integrating factor is e^(4x), and the solution is:

Y = e^(-4x) * ∫(e^(4x) * (X^2 + 7)) dx - X^2/4 - 7x + C,

where C is an arbitrary constant of integration. The solution can be simplified by solving the definite integral

= ∫(e^(4x) * (X^2 + 7)) dx,

which results in:

Y = e^(-4x) * (X^2/4 + 7x/4 + X^2/2 + 7x + C') + X^2/4 + 7x,

where C' is another arbitrary constant of integration.

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The 10th term of the geometric sequence would be 3 × (-3)¹⁰.

Given is the geometric sequence -

- 9, 27, - 81 ...

We can write the common ratio as -

r = 27/-9 = -3

{r} = - 3                         ... Eq { 1 }

a{10} = (-9)(-3)⁹

a{10} = 3(-3)¹⁰

Therefore, the 10th term of the geometric sequence would be 3 × (-3)¹⁰.

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The 1 liter of a quantity contains 4.22675 of cups.

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The conversion from Fahrenheit to Celsius is 36.3 to 97.34.

Converting degrees of temperature from Celsius to Fahrenheit

Since boiling (hot) water is 21 degrees Fahrenheit and 0 degrees Celsius, respectively, the formula to convert between the two is

F = C x (9/5) + 32

A simple example can help you to understand the math in this situation. Suppose we need to convert 36.3 Celsius to Fahrenheit!

Entering the data into the converter equation will convert 36.3 degrees Celsius to Fahrenheit.

F = 36.3 x (9/5) +32

F 97.34 degrees

This means that the answer is after using the formula to change 36.3 Celsius to Fahrenheit:

36.3°C = 97.34°F

or

The conversion from Fahrenheit to Celsius is 36.3 to 97.34.

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y = -t is  parametric equation of the line passing through a and parallel to b

Parametric Equation = Type of equation that employs an independent variable called a parameter (often denoted by t) and in which dependent variables are defined as continuous functions of the parameter and are not dependent on another existing variable.

⇒ parametric equation of line passing through a point (a₁, b₁, c₁)

  and parallel to a vector <a, b, c> is given by :

  x =a₁ + at ,   y = b₁ + bt   ,   z = c₁ + ct

now according to question:

given -

point, P(1, 0, -3)

line,   x = −1 + 2t , y = 2−t, and z = 3+3t.

so from the line the vector is=  <2, -1, 3>

now using above formula,

equation of line is =   x = 1 + 2t , y = −t, and z = -3+3t.

we have to solve for 'y' only,

⇒ y = -t    

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13. ∠1, ∠4, ∠5, and ∠8 are congruent

14. ∠1 and ∠3 are supplementary

15.  ∠1 and ∠4 are a pair of alternate interior angles

From the question, we are to name four angles that are congruent.

Congruent angles are the angles that have equal measure.

In the given diagram,

angle 1, angle 4, angle 5, and angle 8 area congruent.

That is,

m ∠1 ≅ m ∠4 ≅ m ∠5 ≅ m ∠8

14. Supplementary angles are angles that sum up to 180°

In the given diagram,

angle 1 and angle 3 are supplementary angles

15. We are to determine a pair of alternate interior angles

In the given diagram,

angle 3 and angle 6 are a pair of alternate interior angles

Hence, ∠1 and ∠4 are a pair of alternate interior angles

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Answer:

The total number of markers along the 5-mile walkway is 6.

This includes markers at each mile (5 markers) and one marker at the east end of the walkway.