What is the measure of each interior angle of a regular polygon with 9 sides *?

Answer:

The graph of a linear equation forms a straight line, whereas the graph for a non-linear relationship is curved. ... A non-linear relationship reflects that each unit change in the x variable will not always bring about the same change in the y variable

Answer:X=12/7

Step-by-step explanation:

Y \(\alpha\) X

⇒Y=KX

Where K is the constant

From the question,k=7

⇒ When Y=12,

y=KX

12=7X

X=12/7

Answer:

2.6 kilometers

Step-by-step explanation:

To find the circumference of a circle, we can use the formula:

Circumference = π * diameter

Given that the diameter of the volcanic crater is 840 meters, we can substitute this value into the formula:

Circumference = π * 840

Using the approximate value of π as 3.14159, we can calculate the circumference:

Circumference = 3.14159 * 840

Circumference ≈ 2643.1796 meters

To convert the circumference to kilometers, we divide the value by 1000:

Circumference in kilometers = 2643.1796 / 1000

Circumference ≈ 2.6432 kilometers

Therefore, the circumference of the rim of the volcanic crater is approximately 2.6 kilometers (rounded to 1 decimal place).

Answer:

No.

Step-by-step explanation:

Problem: -25 (3x - 20)

-25 x 3x = -75x

-25 x 20 = -500

-75x - -500 =

Answer (equivalent to): -75x + 500

The predicted depth of an earthquake measuring 3.8 on the Richter scale, using the least-squares equation for the given table, is approximately 8.62 km (option C).

In order to predict the depth of the earthquake, we need to find the equation of the least-squares regression line. Using the given data points, we calculate the slope and intercept of the line. Once we have the equation, we can substitute the magnitude value of 3.8 into the equation to obtain the predicted depth.

The least-squares regression line equation is of the form y = mx + b, where y represents the dependent variable (depth), x represents the independent variable (earthquake magnitude), m represents the slope, and b represents the intercept. By applying the least-squares method, we find the equation to be y = -1.16x + 12.06.

Substituting x = 3.8 into the equation, we get y ≈ -1.16(3.8) + 12.06 ≈ 8.62. Therefore, the predicted depth of the earthquake is approximately 8.62 km, which corresponds to option C.

Learn more about regression here:

https://brainly.com/question/32505018

#SPJ11

Answer:

v=9

Step-by-step explanation:

-18 = 7v + 9 - 10v

combine like terms

-18 = -3v + 9

-9             -9

-27 = -3v

divide both sides by -3

9 = v

or

v = 9

Hope this helps!!!

Answer:

y-7= -1/5x

Step-by-step explanation:

general formula (y-y1)= m(x-x1)

m is the slope and in this case m=-1/5

(x1, y1) is a point on thhe line in this case is (0, 7) because f(x)=y

substitute your given in the equation

(y-7) = -1/5(x-0)

y-7= -1/5x

The exponential function between (-1, 2/5) and (3, 250) is as follows:

\(f(x) = 2 * 5^x\)

By combining the fourth roots from both sides, we arrive at:

b = 5

When we use the expression we discovered for a and this value of b, we get:

a = (2/5) * 5 = 2

As a result, the exponential function between (-1, 2/5) and (3, 250) is as follows:

\(f(x) = 2 * 5^x\)

A relation between a collection of inputs and outputs is known as a function. A function is, to put it simply, a relationship between inputs in which each input is connected to precisely one output. Each function has a range, codomain, and domain. The usual way to refer to a function is as f(x), where x is the input. A function is typically represented as y = f. (x).

In mathematics, a function is a unique arrangement of the inputs (also referred to as the domain) and their outputs (sometimes referred to as the codomain), where each input has exactly one output and the output can be linked to its input.

from the question:

This is the shape of the exponential function:

f(x) = a *\(b^x\)

where a represents the starting point and b represents the exponential function's base.

We must solve the system of equations to determine the values of a and b that meet the requirements:

a * \(b^(-1)\) = 2/5 (equation 1) 

a *\(b^3\)= 250 (equation 2) 

We can solve for an in equation 1 by multiplying both sides by b:

a = (2/5) * b

Substituting this expression into equation 2, we get:

(2/5) * b *\(b^3\) = 250

Simplifying, we get:

\(b^4 = 3125\)

By combining the fourth roots from both sides, we arrive at:

b = 5

When we use the expression we discovered for a and this value of b, we get:

a = (2/5) * 5 = 2

As a result, the exponential function between (-1, 2/5) and (3, 250) is as follows:

\(f(x) = 2 * 5^x\)

to know more about functions visit:

https://brainly.com/question/12431044

#SPJ1

The graphs of the three functions on the graph can be compared in a few different ways.

The square root and quadratic function share a y-intercept of 0, since the quadratic function is y = x2 and the square root function is y = √x. The square root and absolute value function share an x-intercept of 0, since the equation for the absolute value function is y = |x|.The range of the square root and quadratic function are different, since the maximum of the quadratic function is at (0, 0), while the maximum of the square root function is at (1, 1). The range of the square root and absolute value function are also different, since the maximum of the absolute value function is at (0, 0), while the maximum of the square root function is at (1, 1).Finally, the quadratic function and the absolute value function have a minimum, which is at (0, 0). On the other hand, the square root function has a maximum, which is at (1, 1).

Learn more about graphs here:

https://brainly.com/question/30934484

#SPJ1

Answer: Its A and D

Step-by-step explanation:

The ratio of SR and ML and ratio of ST , MN are equal ,so they are similar triangles .

What is triangle ?

Triangle can be defined in which it consists of three sides , three angles and sum of three angles is always 180 degrees.

In given two triangles,

RST and NLM

In the triangle RST ,

The sum of angles is 180

so,

44  + 15 + S = 180

S =   180 - 59

S = 121

And similarly in the triangle NLM,

N + 121 + 44 = 180

N = 180 - 165

N = 15

Therefore, The values of given angles S and N are 121 , 15 respectively

SR / ML  = 3.61 / 5.415 = 0.667
ST / MN = 9.71 / 14.565 = 0.667

Hence, The ratio of SR and ML and ratio of ST , MN are equal ,so they are similar triangles .

To learn more about Triangle from given link.

brainly.com/question/2773823

#SPJ1

Answer:

812.04

Step-by-step explanation:

Answer:

812whdbniyqwteyw9q08uehb

Step-by-step explanation:

idkfu

The correlation coefficient of the data-set would decrease inserting the 70-year-old male with a finishing time of 35 minutes into the data-set.

A correlation coefficient is a statistical measure that indicates the strength and direction of a linear relationship between two variables.

The coefficients can range from -1 to +1, with -1 indicates a perfect negative correlation, 0 indicates no correlation, and +1 indicates a perfect positive correlation.

From the image given at the end of the answer, we have that the point (70, 35) is far from the cluster of points in the scatter plot, hence the correlation coefficient would decrease.

More can be learned about correlation coefficients at brainly.com/question/16355498

#SPJ4

The square root of 13 is 3.6055512755. The next whole number is 4.

Answer:

1 marble left.

Step-by-step explanation:

641 - 5(128) = 1

Answer:

1 Marbles remain

Step-by-step explanation:

641/5 = 128 Remainder 1

[RevyBreeze]

Step-by-step explanation:

I just answered this. how often did you post that ?

because they are parallel, we have similar triangles with one common scale factor for all correlating pairs of sides.

therefore, e.g.

EC/DB = AE/AD

8/4 = x/6

2 = x/6

x = 12

AC = AE + EC = 12 + 8 = 20

Answer:

D

Step-by-step explanation:

Answer:

The 15% discount means that they only pay 100%-15% = 85% of the meal's bill.

This would cost 85% * 78.65.

However, they also have to pay a 20% tip of the meal cost.

This would cost 20% * 78.65.

Step-by-step explanation:

total Cost = (85% * 78.65) + (20% * 78.65)

= 105% * 78.65

= 1.05 * 78.65

= $82.58

Answer:

1) 44

2) 430

3) 17

Step-by-step explanation:

1) 4 × 4 = 16, and 4 + 4 = 8.

2) The units digit is 0. Since the hundreds digit is one more than the tens digit, and since the sum of the three digits is 7, the hundreds digit is 4, and the tens digit is 3.

3) 1 × 7 = 7, and 1 + 7 = 8. The units digit is 7, and the tens digit is 1.

The group had predicted their snowman to be 8 inches lower than the actual height, which means their prediction was 72 inches tall.

To find the predicted height of the snowman, which was 10% lower than the actual height of 80 inches, we can calculate 10% of 80:

In the snowman-building contest, Jane and her friends made a prediction about the height of the snowman they would build.

When they completed their creation, they measured the snowman and found it to be 80 inches tall.

However, their prediction had been 10% lower than the actual height.

To determine the predicted height, we need to calculate 10% of 80.

This can be done by multiplying 80 by 10/100 or simply 0.10.

The result is 8, indicating that their prediction was 8 inches lower than the actual height.

Thus, the group had initially predicted their snowman to be 8 inches less than the final measurement of 80 inches.

To find the predicted height, we subtract 8 from 80, yielding a predicted height of 72 inches.

In summary, Jane and her friends had anticipated their snowman to be 72 inches tall, but they ended up constructing a snowman that reached a height of 80 inches at the winter carnival.

For similar question on prediction.

https://brainly.com/question/31561722

#SPJ11

The probability that the product of the two top numbers is greater than their sum for eight-sided dice is 3/4.

The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true.

An event's probability is a value between 0 and 1 and 1, wherein, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.

The formula for probability is;

Probability  =  Favourable outcome/ Total outcome

Now, according to the question;

Consequently, the sum is greater if at least a single of the integers is 1. Such possibilities are 15.

1×n = n < 1 +n

Now consider for 2

2×2 = 2 + 2

For n > 2,

where, 2×n = n + n > 2 + n.

For all 8×8 combinations,

15 + 1 = 16 is the case whose sum is greater than or equal to the product.

Thus, 8×8 = 64

64 -16 = 48 are the total cases for the sum which is smaller and satisfies the condition.

Thus, the probability is 48/ 64 = 3/4.

Therefore, the probability that the product of the two top numbers is greater than their sum is 3/4.

To know more about the probability, here

https://brainly.com/question/25870256

#SPJ4

Jeffrey has a fish tank that holds 8 liters of water. He already has the tank filled with 1 liter of water. Thus, to fill the fish tank completely with water, Jeffrey needs 7000 milliliters of water.

This is because 1 liter is equal to 1000 milliliters. Thus, 8 liters are equal to 8 × 1000 = 8000 milliliters.

Therefore, the amount of water Jeffrey needs to completely fill the fish tank is 8000 - 1000 = 7000 milliliters of water.

Jeffrey has a fish tank of 8 liters of water that already has 1 liter of water in it.

The amount of water Jeffrey needs to completely fill the fish tank is calculated by subtracting the liters of water already present in the tank from the total liters of water the tank can hold.To completely fill the fish tank, Jeffrey needs to fill the remaining 7 liters with water. One liter of water is equivalent to 1000 milliliters. Thus, Jeffrey needs to multiply the remaining liters of water he needs to fill by 1000 milliliters.

7 × 1000 = 7000

Therefore, Jeffrey needs 7000 milliliters of water to completely fill the fish tank with water.

To completely fill the fish tank, Jeffrey needs 7000 milliliters of water because he has already filled it with 1 liter of water, and the fish tank can hold 8 liters of water.

To know more about fish tank visit:

brainly.com/question/3381308?

#SPJ11

Answer:

We have the value as;

8x/5

Step-by-step explanation:

Here, we want to get the breakdown of the given expression

We have (x^2 - 9) as (x-3)(x + 3)

So we have;

2x/(x + 3) * (x-3)(x+3)/5 * 4/(x-3)

= 2x * 4/5= 8x/5

where are the points below? i cant do anything if there isnt numbers or anything to work with

The approximation of the irrational number, according to the question, is 11.31.

Any actual figure that can't be written as the ratio between two integers, p/q, where both p and q also are integers, is referred to as an irrational number. For instance, it is impossible to represent the integral of 2 as a decimal or a fraction.

The Greeks recognised that a square with sides that are each one measure length has a diagonal which length is irrational. The diagonal's length matches the square root of two according to the Pythagorean Theorem. The denominator of 2 is hence illogical.

\(\sqrt{128}\)

Transform the Expression :

\(\sqrt{8^2 }\)×\(\sqrt{2}\)  

Simplify the expression :

\(8\sqrt{2}\)

Round \(8\sqrt{2}\) =

11.31

To know more about Irrational Number visit :

https://brainly.com/question/17861623

#SPJ1

The Complete Question :

Simplify the irrational number \(\sqrt{128}\)  ; then estimate it to two decimal places.

The equation "ax2 = y," which has one solution unless a = 4, and none unless a = 4, has a solution. x = √(-4ay) / (2a) restricted by the condition that y be negative.

We may use the quadratic formula to determine the solutions to an equation for various values of an to construct a solution to the equation "ax² = y," which has no solution when a = 4 & just one solution in all other cases.

According to the quadratic formula, the answers to the problem "ax2 + bx + c = 0" are provided by

x = (-b +/- √(b² - 4ac)) / (2a)

In this formula, if we add "ax² = y," we obtain

x = (-0 +/- √(0² - 4ay)) / (2a)

which simplifies to

x = √(-4ay) / (2a)

If a = 4, the equation becomes

x = √(-16y) / 8

The equation has no solutions if y is positive because the value of (-16y) is fictitious. The value of (-16y) is real if y is negative, but the equation is still unsolvable since x cannot have a negative value. As a result, when a = 4, the problem has no solutions.

The equation has a single solution provided by any other value of a.

x = √(-4ay) / (2a)

For example, if a = 3, the equation becomes

x = √(-12y) / 6

Since √(-12y) is imaginary if y is positive, the problem has no solutions. If y is negative, √(-12y) has a real value, and there is only one solution to the problem.

Learn more about the polynomial equation at

https://brainly.com/question/11536910

#SPJ4

So the maximum number of edges in an undirected graph with 100 vertices is 4950.

In an undirected graph, each edge connects two vertices, and as such, it is counted twice, once for each vertex it connects. Therefore, the total number of edges in the graph is the sum of the degrees of all vertices, divided by 2.

In a complete graph with n vertices, every vertex is connected to every other vertex, except itself, and so the degree of each vertex is n-1 (it is connected to n-1 other vertices). Therefore, the total number of edges in the graph is:

n * (n-1) / 2

Substituting n = 100, we get:

100 * 99 / 2 = 4950

To know more about graph,

https://brainly.com/question/29467965

#SPJ11

Using  cylindrical coordinates ∫∫∫ (r^3cos^2θ) dz dr dθ, where r ranges from 0 to 2, θ ranges from 0 to 2π, and z ranges from 0 to √(36r^2).

To evaluate the integral ∫∫∫ x^2 dV over the solid e, using cylindrical coordinates, we need to express the integral in terms of cylindrical coordinates and determine the appropriate bounds for the variables.

In cylindrical coordinates, the solid e can be defined as follows:

Radius: r ranges from 0 to 2 (from x^2 + y^2 = 4, taking the square root).

Angle: θ ranges from 0 to 2π (full revolution around the z-axis).

Height: z ranges from 0 to the height of the cone, which is determined by z^2 = 36x^2 + 36y^2.

To convert the integral, we need to express x^2 in terms of cylindrical coordinates:

x^2 = (rcosθ)^2 = r^2cos^2θ

The integral in cylindrical coordinates becomes:

∫∫∫ (r^2cos^2θ) r dz dr dθ

Now we can determine the bounds for the variables:

r ranges from 0 to 2.

θ ranges from 0 to 2π.

z ranges from 0 to the height of the cone, which can be determined by setting z^2 = 36r^2.

Substituting the bounds and integrating, we can evaluate the integral to find the desired result.

To know more about cylindrical coordinates refer here:

https://brainly.com/question/30394340

#SPJ11