is this an exponential function?

Answer:

\( \frac{3}{2} \)

Step-by-step explanation:

From the attached photo, we can deduce:

(2,2) as (x1,y1)

(-2,-4) as (x2,y2)

Slope Formula =

\( \frac{y1 - y2}{x1 - x2} \)

Now we can substitute these values into the formula to find the slope.

Slope of line =

\( \frac{2 - ( - 4)}{2 - ( - 2)} \\ = \frac{2 + 4}{2 + 2} \\ = \frac{6}{4} \\ = \frac{3}{2} (reduced \: to \: simplest \: form)\)

The distribution has a 90th percentile for the value of 86.45 of x.

Let the normal distribution be X.

Hence according to the problem,

X ~ N(80, 25)

where,

the mean = μ = 80

the variance = σ² = 5² = 25

To find the 90th percentile we need to find a variable whose CDF is equal to 90% or 0.9

Let the variable be x.

Then

P(X < x) = 0.9

Now to find this we will first transform this to the standard normal form Z.

Any distribution can be brought to the standard normal form by,

Z = (X - μ)/σ

where

μ is the mean of the distribution

σ is the standard deviation of the distribution

Here,

μ = 80

σ = 5

Hence we get,

Φ[(x - 80)/5] = 0.9

From the standard normal table we get that for Φ(1.29) the p-value is approximately 0.9

hence we get

Φ[(x - 80)/5] = Φ(1.29)

or, (x - 80)/5 = 1.29

or, x - 80 = 6.45

or, x = 86.45

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Answer:

\(N(-1,4)\)

Step-by-step explanation:

====================================================

Explanation:

Angle PQT = 35 degrees is given. This inscribed angle subtends or cuts off minor arc PT. This is the shortest distance along the circle from P to T. Any other inscribed angle that cuts off this same arc will also be the same measure. Note how angle PRT is such an inscribed angle, so,

angle PRT = 35 degrees

which we'll use later.

----------------

Focus on triangle ROS. Interior angle O is 180-82 = 98 degrees due to it being supplementary to the 82 degree angle shown.

Triangle ROS is isosceles with OR = OS being the two equal radii. The opposite base angles R and S are congruent angles. Call them x for now

(angle O) + (angle R) + (angle S) = 180

98+x+x = 180

2x+98 = 180

2x = 180-98

2x = 82

x = 82/2

x = 41

For triangle ROS, interior angle R is 41 degrees. Put another way,

angle ORS = 41 degrees

we'll use it below along with angle PRT

------------------------

angle PRS = (angle PRT) + (angle ORS)

angle PRS = (35) + (41)

angle PRS = 76 degrees

The correct inequality when w = -4 is option D: -3 - 5w < -14.

Explanation: To determine which inequality is true when w = -4, we substitute -4 for w in each option and evaluate the inequalities.

For option A, substituting -4 for w gives us 2 - (-4) < -3, which simplifies to 2 + 4 < -3, or 6 < -3. This statement is false, so option A is not the correct answer.

For option B, substituting -4 for w gives us -5 - 4(-4) > 10, which simplifies to -5 + 16 > 10, or 11 > 10. This statement is true, so option B is not the correct answer.

For option C, substituting -4 for w gives us 1 - 2(-4) > 13, which simplifies to 1 + 8 > 13, or 9 > 13. This statement is false, so option C is not the correct answer.

For option D, substituting -4 for w gives us -3 - 5(-4) < -14, which simplifies to -3 + 20 < -14, or 17 < -14. This statement is false, so option D is the correct answer.

Therefore, the correct inequality when w = -4 is option D: -3 - 5w < -14.

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(a) The magnitude E is 1.04×10⁶ N/C.

(b) The direction of the electric field is radially inward since the net charge inside the shell is negative.

(c) The E direction is Q1 = 3.40×10⁻¹² C.

(d) The direction of the electric field is radially outward since the net charge inside the shell is positive.

(e) The interior surface of the shell is Q1 = 3.40×10⁻¹² C.

(f) The exterior surface of the shell is Q2 = 6.80×10⁻¹² C.

(a) The magnitude of the electric field at radial distance r from the axis of a thin-walled coaxial conducting cylindrical shell carrying a net charge Q is given by E = Q / (2πε₀r), where ε₀ is the permittivity of free space. For r = 2.00R₂, the net charge Q is Q₁ + Q₂ = (3.40×10⁻¹² C) - 2(3.40×10⁻¹² C) = -3.40×10⁻¹² C, and thus the electric field is E = |-3.40×10⁻¹² C / (2πε₀(2.00R₂))| = 1.04×10⁶ N/C.

(b) The direction of the electric field is radially inward since the net charge inside the shell is negative.

(c) For r = 5.00R₁, the net charge inside the shell is only Q1 = 3.40×10⁻¹²C, so the electric field is E = |3.40×10⁻¹² C / (2πε₀(5.00R₁))| = 1.23×10⁶ N/C.

(d) The direction of the electric field is gradually outward since the net charge inside the shell is positive.

(e) The charge on the interior facial of the shell is equal in magnitude and opposite in sign to the net charge inside the shell, which is Q1 = 3.40×10⁻¹² C.

(f) The charge on the exterior facial of the shell is equal in magnitude and opposite in sign to the net charge outside the shell, which is -Q2 = 2(3.40×10⁻¹² C) = 6.80×10⁻¹² C.

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The number of ways to partition a set of 8 elements into 3 subsets (S_8, 3) needs to be computed.

To calculate S_8, 3, we need to find the number of ways to partition a set of 8 elements into 3 distinct subsets. Each element in the set can belong to one of the three subsets.

We can approach this problem using the concept of stars and bars. We imagine the 8 elements as stars and the 2 barriers (dividers) that separate the subsets as bars. The bars divide the stars into three groups, representing the subsets.

The number of ways to arrange the stars and bars can be calculated using a combination formula. We choose 2 positions out of 10 (8 stars and 2 bars) to place the bars. The remaining positions will be filled with stars.

Using the combination formula, S_8, 3 can be calculated as:
S_8, 3 = C(10, 2) = 45

Therefore, there are 45 different ways to partition a set of 8 elements into 3 subsets.


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Answer:

P=RS1000

R=10%

T=?

COMPOUND AMOUNT=RS 1200

I=1200-1000=RS200

IF IT IS SIMPLE INTEREST

T={I×100}/(P×R)=(200×100)/(1000×10)=20000/10000=2YEARS=2×12=24MONTHS

The equation in spherical coordinates is:

\($\sin^2(\phi)\cos^2(\theta) + \sin^2(\phi)\sin^2(\theta) + \cos^2(\phi) = 1$\)

What is Equation in Spherical Coordinates?

A mathematical equation that is represented in terms of the spherical coordinates of a point is known as an equation in spherical coordinates. A three-dimensional coordinate system known as spherical coordinates makes use of two angles, typically represented by symbols and a radial distance (r), and a coordinate system to find points in space.

\($r^2 = 81$\)

To represent the equation in spherical coordinates, we substitute the Cartesian coordinates \($x = r\sin(\phi)\cos(\theta)$, $y = r\sin(\phi)\sin(\theta)$, and $z = r\cos(\phi)$\) into the equation. After substitution and simplification, we have:

\($r^2\sin^2(\phi)\cos^2(\theta) + r^2\sin^2(\phi)\sin^2(\theta) + r^2\cos^2(\phi) = 81$\)

Since \(r^2 = 81,\) we can substitute it into the equation:

\($81\sin^2(\phi)\cos^2(\theta) + 81\sin^2(\phi)\sin^2(\theta) + 81\cos^2(\phi) = 81$\)

Finally, we divide the equation by 81 to simplify:

\($\sin^2(\phi)\cos^2(\theta) + \sin^2(\phi)\sin^2(\theta) + \cos^2(\phi) = 1$\)

So, the equation in spherical coordinates is:

\($\sin^2(\phi)\cos^2(\theta) + \sin^2(\phi)\sin^2(\theta) + \cos^2(\phi) = 1$\)

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The Costa Rican coffee should be used is 160 pound.

What is a linear equation?

A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables."

Given that the cost of Costa Rican coffee that sells for $7 per pound and Kenyan coffee that sells for $10.

The cost of the mixture is $8.5 per pound.

Assume that the manager mixed 80 pounds of the Kenyan coffee with the x pound of the Costa Rican coffee to get a mixture.

The cost of 80 pound Kenyan coffee is $(80×10) = $800.

The cost of x pound Costa Rican coffee is 7x.

The cost of mixture coffee is (80 + x)8.5

According to the question:

800 + 7x = (80 + x)8

800 + 7x = 640 + 8.x

640 + 8x = 800 + 7x

x = 800 - 640

x = 160

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Answer:

w = 21

Step-by-step explanation:

Given that,

                      game 1                     game 2

Points               12                            18

Shots                 14                            w

One proportion is : \(\dfrac{12}{14}=\dfrac{6}{7}\)

Other proportion is : \(\dfrac{18}{w}\)

So,

\(\dfrac{6}{7}=\dfrac{18}{w}\\\\w=\dfrac{7\times 18}{6}\\\\w=21\)

So, the value of w is equal to 21.

Answer:

answer is b!

Step-by-step explanation:

hope this helps!!!

Answer:

No

Step-by-step explanation:

11-(-5)=16

-5+(11)=6

Answer:

Step-by-step explanation:

Let x be the number of pants and y be the number of shirts

x + y = 6

20x + 15y = 100

multiply the first equation by -20

-20x -20y = -120

20x + 15y = 100

subtract the equations

-5y = -20

y = 4

replace y in equation 1

x + 4 = 6

x = 2

Answer:

the first one

Step-by-step explanation:

give me a brainley

Answer:

I got C and D, I'm not sure if there's an option for both. It's most likely C however,

Step-by-step explanation:

Answer:

3x16

Answer to the equation:

48

Step-by-step explanation:

Answer:

54

Step-by-step explanation:

Step-by-step explanation:

First take 15percent of 360 and decrease the answer from 360

Ans .: The dimensions of the container that will minimize the cost are a base with sides of length 16.7 cm and a height of 8.35 cm.

To minimize the cost of the container, we need to find the dimensions that will use the least amount of material. Let's call the length of one side of the square base "x" and the height of the container "h".

The volume of the container is given as 2000 cm^3, so we can write:

V = x^2h = 2000

We need to find the dimensions that will minimize the cost, which is determined by the amount of material used. We know that it costs twice as much per square centimeter to make the top and bottom as it does the sides.

Let's call the cost per square centimeter of the sides "c", so the cost per square centimeter of the top and bottom is "2c". The total cost of the container can then be expressed as:

Cost = 2c(x^2) + 4(2c)(xh)

The first term represents the cost of the top and bottom, which is twice as much as the cost of the sides. The second term represents the cost of the four sides.

To minimize the cost, we can take the derivative of the cost function with respect to "x" and set it equal to zero:

dCost/dx = 4cx + 8ch = 0

Solving for "h", we get:

h = -0.5x

Substituting this into the volume equation, we get:

x^2(-0.5x) = 2000

Simplifying, we get:

x^3 = -4000

Taking the cube root of both sides, we get:

x = -16.7

Since we can't have a negative length, we take the absolute value of x and get:

x = 16.7 cm

Substituting this into the equation for "h", we get:

h = -0.5(16.7) = -8.35

Again, we can't have a negative height, so we take the absolute value of "h" and get:

h = 8.35 cm

Therefore, the dimensions of the container that will minimize the cost are a base with sides of length 16.7 cm and a height of 8.35 cm.

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After solving the given equations the answer is an Infinite solution. Hence, option A is correct

Mathematical expressions with two algebraic symbols on either side of the equal (=) sign are called equations.

This relationship is illustrated by the left and right expressions being equal to one another. The left-hand side equals the right-hand side is a basic, straightforward equation.

As per the given equation in the question,

8 + 4x = 2x + 8 + 2x

Firstly, let's write the given equation in a simplified manner,

8 + 4x = 8 + 4x  

As we can see that LHS = RHS, which means that both equations are the same then which means they will give infinite solutions.

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Answer:  A.  X=4

Step-by-step explanation:

Since the line is on the X axis you can see its touching x,4 y,0

Answer:

Step-by-step explanation:

start the line from the 75 going to the 80. thats where you put the line on the thing. and im not sure with the 2nd one look it up or find someone to help u:)

C. May or may not increase in size even if the added variable has statistical significance.

The R-squared value measures the proportion of variance in the dependent variable that is explained by the model, including the independent variable.

Therefore, if an independent variable is added to the model and it is statistically significant, then it will increase the R-squared value. However, if the variable added is not statistically significant, then it will not have an effect on the R-squared value.

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Answer:

keep the first fraction and flip the second turn into multiplication

1/6 / 6/1

1/6 X 1/6= 1/36

The value of the expression below when x=5x=5?

8x+9 is equal to \(7^{2}\) (or) 49.

Substitute \(\left \{ {{x=5x} \atop {5x=5}} \right. into (8x+9)\)

The expression,

y = 8x + 9

If the domain of the function is x = 5, hence the range of the function is gotten by substituting x = 5 into the given function as shown:

So, we can substitute x = 5,

Then, y = 8 * 5 + 9

Calculate the product or quotient,

y = 40 + 9

Calculate the sum or difference,

y = 49

We can write alternative form,

y = \(7^{2}\)

Therefore,

Hence the value of the expressions if x = 5 is \(7^{2}\) (or) 49.

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Answer:2 hours and 45 minutes

Step-by-step explanation:

11:30+30 mins =12+15 mins = 12:15 + 2 hours = 2:15

Answer:

The answer is A

Step-by-step explanation:

A proportional function is a function where the output = constant x input

Let's make each of these situations into an equation

A) y = 3.5x

B) y = 40x + 25

C) y = 2x + 56

D) y = 2x + 5

because A is the only one that follows the output = constant x input rule it is the example of a proportional function

Answer:

11x+4y-9

Step-by-step explanation:

add like terms

3x+8x=11x

5y-y=4y

11x+4y-9

Answer:

\(11x+4y-9\\\)

Step-by-step explanation:

1) Remove parentheses.

\(3x+5y+8x-y-9\)

2) Collect like terms.

\((3x+8x)+(5y-y)-9\)

3) Simplify.

\(11x+4y-9\)

It is important to check for multicollinearity in a regression model and take steps to reduce it, such as removing one of the highly correlated independent variables or using regularization techniques.

Multicollinearity is a statistical phenomenon where two or more independent variables in a regression model are highly correlated with each other. This can cause problems in the regression model as it becomes difficult to distinguish the individual effects of the independent variables on the dependent variable.
When multicollinearity is present in a regression model, the p-values of the slopes of the independent variables are affected. The p-value measures the probability of obtaining a result as extreme or more extreme than the observed result, assuming that the null hypothesis is true. The null hypothesis in a regression model is that the slope of the independent variable is zero, meaning that there is no relationship between the independent variable and the dependent variable.
Multicollinearity can cause the standard errors of the slopes to increase, leading to inflated p-values. In other words, the significance of the relationship between the independent variable and the dependent variable may be underestimated. This is because the highly correlated independent variables are both trying to explain the same variation in the dependent variable, leading to an unreliable estimate of the effect of each independent variable on the dependent variable.
Therefore, it is important to check for multicollinearity in a regression model and take steps to reduce it, such as removing one of the highly correlated independent variables or using regularization techniques. This can help to ensure that the regression model produces reliable estimates of the effects of the independent variables on the dependent variable.

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