okay this is my last one.. I think dfghmhgfd

Answer:

\( y = 8 \)

Step-by-step explanation:

Equation of the line that passes through (-2, 8) with a slope of 0, can be written in point-slope form, \( y - y_1 = m(x - x_1) \) and also in slope-intercept form, \( y = mx + b \).

Using a point, (-2, 8) and the slope (m), 0, substitute x1 = -2, y1 = 8 and m = 0 in \( y - y_1 = m(x - x_1) \).

Thus:

\( y - 8 = 0(x - (-2)) \)

\( y - 8 = 0 \)

Rewrite in slope-intercept form

\( y - 8 + 8 = 0 + 8 \) (addition property of equality)

\( y = 8 \)

 By multiplying matrices B and A, we obtain the product BA. Using BA, we can solve the system of equations y + 2z = 7, x - y = 3, and 2x + 3y + 4z = 17.the values of x, y, and z are -1, 2, and 1 respectively

To find the product BA, we multiply matrix B with matrix A. The resulting matrix will have the same number of rows as B and the same number of columns as A. The product BA will be used to solve the given system of equations.
The product BA can be computed by multiplying each row of matrix B by each column of matrix A and summing the results. The resulting matrix will be:
Now, we can use the product BA to solve the system of equations:
-10x - 10y + 6z = 7,
3x - 8y + 2z = 3,
-6x - 16y + 15z = 17.

1 -1 2
2 3 1
0 4 2
We can rewrite this system of equations as:
-10x - 10y + 6z = 7,
3x - 8y + 2z = 3,
-6x - 16y + 15z = 17.
By comparing the coefficients of x, y, and z in the system of equations with the entries in the matrix BA, we can determine the values of x, y, and z.
Solving the system of equations using matrix BA, we get:
x = -1,
y = 2,
z = 1.
Therefore, the values of x, y, and z are -1, 2, and 1 respectively.

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The complete question is:
Given A=
⎣2 2 -4|
|-4 2 -4|
|2 -1 5|
, B=
⎣1 -1 0|
⎢2 3 4|
⎢0 1 2|
, find BA and use this to solve the system of equations y+2z=7, x−y=3, 2x+3y+4z=17.

Answer:

Step-by-step explanation:

If the parent function is f(x) = x² and the transformed function is g(x) = a(x)²

For a > 1, then the transformed function g(x) will be vertically stretched by a factor of 'a'

For 0 < a < 1, then the transformed function will be vertically compressed or shrink by a factor of 'a'

For a function f(x) = x² when transformed to f(5x) = (5x)²

g(x) = 25x²

Therefore, graph of the parent function f(x) will be vertically stretched by 25 units.

The largest interval I on which the solution is defined.

\(y(x)=\left(\frac{x}{2}+\sqrt{y_{0}}-\frac{x_{0}}{2}\right)^{2}\)

This is further explained below.

Generally, the equation for is  mathematically given as

\(\frac{d y}{d x}=\sqrt{y}\)

Separating variables and integrating

\(\begin{aligned}&\Rightarrow \int \frac{d y}{\sqrt{y}}=\int d x \\&\Rightarrow 2 \sqrt{y}=x+c \\&\text { Put } y\left(x_{0}\right)=y_{0} \\&\Rightarrow 2 \sqrt{y_{0}}=x_{0}+c \\&\Rightarrow c=2 \sqrt{y_{0}}-x_{0}(2) \\&\text { Put }(2) \text { in } \\&\Rightarrow 2 \sqrt{y}=x+2 \sqrt{y_{0}}-x_{0} \\&\Rightarrow \sqrt{y}=\frac{x}{2}+\sqrt{y_{0}}-\frac{x_{0}}{2} \\&\Rightarrow y(x)=\left(\frac{x}{2}+\sqrt{y_{0}}-\frac{x_{0}}{2}\right)^{2} \end{aligned}\)

In conclusion, the largest interval I on which the solution is defined.

\(y(x)=\left(\frac{x}{2}+\sqrt{y_{0}}-\frac{x_{0}}{2}\right)^{2}\)

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Answer:

$180

Step-by-step explanation:

step one 86+4 =90

step two 90×2=180

Answer:

\(x=-27\)

Step-by-step explanation:

\(f(x)=\frac{2}{3} x+3\)

Substitute -15 for \(f(x)\):

\(-15=\frac{2}{3} x+3\)

Subtract \(3\) from both sides of the equation:

\(-18=\frac{2}{3} x\)

Rewrite the equation:

\(-\frac{18}{1} =\frac{2}{3} x\)

Find the cross product:

\(-54=2x\)

Divide by the coefficient of \(x\), which is \(2\):

\(-27=x\)

I'm going to flip the equation so my variable is on the left:

\(x=-27\)

The value of a = -2 and b = 3.

What is a system of equations?

A finite set of equations for which common solutions are sought is referred to in mathematics as a set of simultaneous equations, often known as a system of equations or an equation system.

Here, we have

Given: 3a - 5b = -26, a + 2b = 6

We have to solve this equation.

3a - 5b = -26...(1)

a + 2b = 6...(2)

Now we multiply equation (1) by 2 and equation (2) by 5 and we get

6a - 10b = -52....(3)

5a + 10b = 30....(4)

After solving equations (3) and (4), we get

11a = -22

a = -2

Now we put the value of 'a' in equation(3) and we get

6(-2) - 10b = -52

-10b = -52 + 12

-10b =  -30

b = 3

Hence, the value of a = -2 and b = 3.

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Answer: 12:1

Step-by-step explanation:

So how u start is they give you five minutes right

So then you divide 60min by 5. Which is 12.

and then you multiply 12*12

and that would be 144

so then 144:12 would simplify to 12:1 as your ration

The rate at which the water is being drained from the container is -12.56 cubic inches per second.

Given that the water is being drained from a container which has the shape of a right circular cone. The cone has a radius of 3 inches at the top and a height of 6 inches. When the water is 3 inches deep, the surface level is falling at a rate of 2 inches per second. We need to find the rate at which the water is being drained from the container.

Step 1: Calculate the volume of the cone. Consider the cone with the height h = 6 inches and radius of the base r = 3 inches. Let H be the height of the water and V be the volume of the water in the cone. Let V0 be the volume of the cone.

Cone Volume formula: $V=\frac{πr^{2}h}{3}$V0 = πr²h/3 = (3.14) (3²) (6)/3 = 56.52 cubic inches

Step 2: Find the rate at which the water level is falling. Let the rate at which the water level is falling be dh/dt. When the water is 3 inches deep, the surface level is falling at a rate of 2 inches per second. Thus, dh/dt = -2.

Step 3: Find the rate at which the water is being drained from the containerLet dv/dt be the rate at which the water is being drained from the container. To find this rate we need to differentiate the volume of water with respect to time V = (1/3)πr²H.H²dv/dt = (2/3)πr² dh/dtdv/dt = (2/3)π(3²)(-2) = -12.56 cubic inches per second.

Hence, the rate at which the water is being drained from the container is -12.56 cubic inches per second.

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The option best compares the two​ equations is  C. The solution set of the second equation is a plane parallel to the line that is the solution set of the first equation

The two given equations are $y=2x+3$ and $z=-4$,

The equation $y=2x+3$ is a linear equation which represents a straight line on the Cartesian plane.

This line passes through $(0,3)$ and $(1,5)$ and continues in both directions infinitely.

The equation $z=-4$ is an equation of the form $z=k$ which represents a plane that is parallel to the $xy$-plane and lies at a distance of $k$ units below the $xy$-plane.

From the two given equations, it can be seen that the solution set of the first equation is a straight line.

In contrast, the solution set of the second equation is a plane parallel to the $xy$-plane, hence, option C is the correct option. A plane is a flat two-dimensional surface that extends infinitely far, it has no thickness. It is often described as a "flat" surface because it has the same properties as a flat surface in Euclidean geometry. Therefore, the correct option that compares the two equations is C. The solution set of the second equation is a plane parallel to the line that is the solution set of the first equation

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Therefore, Caleb paid approximately $14,067.90 for the shares.

Let's assume the amount Caleb paid for the shares is represented by the variable "x". According to the given information, his selling price was 130% of the amount he paid.

Selling price = 130% of the amount paid

$18,189.27 = 1.3 * x

To find the amount he paid for the shares, we can solve the equation for "x" by dividing both sides by 1.3:

x = $18,189.27 / 1.3

Calculating this, we find:

x ≈ $14,067.90

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Answer:

N+1

Step-by-step explanation:

It begins with = 2

then n+1=3

then n+2=4 and so on it is n+1

Answer:

6 or C

Step-by-step explanation:

Answer:

60=460

600=4600

6=46

40000=80000

\( \huge \boxed{\mathfrak{Question} \downarrow}\)

\( \huge \boxed{\mathfrak{Answer} \downarrow}\)

\( \large \boxed{ \bf \: - 6x}\)

\( \huge \boxed{\mathfrak{Explanation} \downarrow}\)

\( \large \sf \: f ( x ) = - 3 x ^ { 2 } - 20\)

\( \large \sf \: 2\times ( -3x)^{2-1} \)

\( \large \sf \: - 6x^{2-1} \)

\( \large \sf \: - 6x^{1} \)

\(\large \boxed{ \bf \: - 6x}\)

The solutions to the quadratic equation f(x) = x² + 10x - 1 are x = -5 + √26 and x = -5 - √26

To solve the quadratic equation f(x) = x² + 10x - 1

we can use the quadratic formula:

x = (-b ± √(b² - 4ac)) / (2a)

For the given equation, a = 1, b = 10, and c = -1.

Substituting these values into the quadratic formula:

x = (-(10) ± √((10)² - 4(1)(-1))) / (2(1))

= (-10 ± √(100 + 4)) / 2

= (-10 ± √104) / 2

Simplifying further:

x = (-10 ± 2√26) / 2

= -5 ± √26

Therefore, the solutions to the quadratic equation f(x) = x² + 10x - 1 are:

x = -5 + √26 and x = -5 - √26

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The formula for the nth partial sum of the series is equal to Sn = ln √(n+1), and the series diverges.

Get a formula for the nth partial sum of the series, by writing out the first few terms,

S₁ = (ln √2 - ln √1)

   = ln √2

S₂ = (ln √3 - ln √2) + (ln √2 - ln √1)

   = ln √3 - ln √1

S₃= (ln √4 - ln √3) + (ln √3 - ln √2) + (ln √2 - ln √1)

   = ln √4 - ln √1

Pattern here expressed the nth partial sum is equal to

ln √(n+1) - ln √1.

Simplify this to,

ln (√(n+1)/√1)

= ln √(n+1).

nth partial sum is equal to,

Sn = ln √(n+1)

Series converges or diverges,

Take the limit of the nth partial sum as n approaches infinity we have,

\(\lim_{n \to \infty}\) ln √(n+1)

= ln ∞

= ∞

Here, the limit of the nth partial sum diverges to infinity, the series itself diverges.

⇒the series does not have a sum.

Therefore, the nth partial sum of the series is Sn = ln √(n+1), and the series diverges.

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Answer:30%

Step-by-step explanation:you divide 18 by 100 and then multiply that by 30 and it gives you 5.4 which is close to 5 players. So 30% is the answer

Answer:

128 ft^2

Step-by-step explanation:

each drapery has an area of 8*4 feet^2 and there are four panes so the total area is 8*4*4= 128

Answer:

im not sure but I think its 8.3

Answer:

y = 10x + 70

slope of 10

y-intercept of 70

Step-by-step explanation:

y = - 10x + 70.

The slope of - 10 represents the decrease in car speed in miles per hour each second after braking.

The y-intercept of 70 represents the initial speed of the car before braking.

We know lines have various types of equations, the general type is

Ax + By + c = 0, and the equation of a line in slope-intercept form is

y = mx + b.

Where slope = m and b = y-intercept.

the slope is the rate of change of the y-axis with respect to the x-axis and the y-intercept is the (0,b) where the line intersects the y-axis at x = 0.

We know slope(m) of a line is (y₂ - y₁)/(x₂ - x₁).

Therefore, Slope of this line is (60 - 70)/(1 - 0).

= - 10/1.

= - 10.

Now, 60 = - 10(1) +b.

60 = - 10 + b.

b = 70.

So, The required equation of the line is y = - 10x + 70.

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1) A probability distribution must sum up to 1.  2) The random variables X and Y are said to be independent if Cov (X,Y) = 0.  3) The standard normal distribution has a mean = 0 and sd = 1.

In probability theory and statistics, a probability distribution is the mathematical function that describes the likelihood of a random variable taking different values. The probability distribution of a random variable, X, describes the probabilities of the outcomes of a random experiment.A probability distribution must sum up to 1. The sum of the probabilities of all possible outcomes in a sample space is equal to 1.

Random variables X and Y are independent if the distribution of one variable is not affected by the presence of another. In other words, two variables X and Y are said to be independent if the value of one does not affect the probability distribution of the other. The Covariance of X and Y should be zero for independence.

The standard normal distribution, also known as the Gaussian distribution or Z distribution, is a continuous probability distribution that has a mean of 0 and a standard deviation of 1. A standard normal distribution is a normal distribution with a mean of zero and a standard deviation of 1. The notation for a standard normal variable is Z.

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Answer:

14/x+3

Step-by-step explanation:

Answer:

3 is the answer

mutiply and open bracket minus each other

The fraction 3/13 represents the ratio of the weight of the container to the weight of the contents.

Let C be the weight of the container, and let X be the weight of the contents. We know that:

C + X = 48 (the total weight of the container and its contents is 48 pounds)

We also know that the contents account for 13/16 of the total weight:

X = (13/16)(48) = 39

To find the fraction representing the ratio of the weight of the container to the weight of the contents, we need to express C/X as a fraction. Substituting X = 39 into the first equation, we get:

C + 39 = 48

Solving for C, we get:

C = 9

Therefore, the ratio of the weight of the container to the weight of the contents is:

C/X = 9/39 = 3/13.

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Answer:

106 cm

Step-by-step explanation:

Given that the rectangles are similar, therefore the ratio of their corresponding sides will be equal. So , we can say that;

53cm/100cm = x/200 cm

Simplify and solve for "x" , as ;

x = 53/100 *200 cm

x = 53*2 cm

x = 106 cm

Hence the value of x is 106cm .

Answer:

-3/5

Step-by-step explanation:

rise/run

since its a negative slope, you count down three and to the right 5. -3/5 is the slope

Answer:

-3/5

Step-by-step explanation:

Equation for slope of a line is:

(y₂-y₁)÷(x₂-x₁)

In your example:

-4-(-1)÷4-(-1)

(-4+1)÷(4+1)=

-3/5

Answer:

Step-by-step explanation:

2/5

Yes, the image an example of an angle AB and BC do not form a line and share an endpoint.

An angle is formed when two lines are extending from a point .

Using this Knowledge it can be deduced from the figure that line BA and BC are extending from point B. Hence forming an angle of 65 degrees

Analyzing the options

option A is wrong as line AB and BC intersected only on one point. formation of a line do not typically say if an angle is formed or not hence making option c incorrect. There is no perpendicular line formed in th figure .

This leaves option B as the correct option

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