1/2 of 5 for my Khan Academy answer

Answer:

20

Step-by-step explanation:

20

Step-by-step explanation:

The total exterior angles of the polygon equals to 360°.

360÷18(the size of the angles each side has)

thus answer =20

Answer:

Step-by-step explanation:

Assume that B is directly above A.

x = horizontal distance between Charlie and balloons

 = 1400/tan(60°)

altitude of B = x·tan(82°) ≅ 5751 ft

distance between A and B = 5751-1400 = 4351 ft, which doesn't fit any of the choices. So my initial assumption was incorrect.

Is there any other information? A picture?

The distance between balloon A and balloon B is 1005 feet if Charlie is watching hot air balloons Balloon A has risen at a 60° angle Balloon B has risen at an 82 angle option second 1005 feet is correct.

Trigonometry is a branch of mathematics that deals with the relationship between sides and angles of a right-angle triangle.

The question is incomplete.

The complete question is in the picture, please refer to the attached picture.

We have:

Charlie is watching hot air balloons Balloon A has risen at a 60° angle Balloon B has risen at an 82 angle

In right angle triangle ACD,

tanx = AC/CD

tan60 = 1400/CD

CD = 808.3

In triangle BDE,

tany = BE/DE

tan82 = 1400/DE

DE = 196.8

The distance between balloon A and balloon B:

= CD + DE

= 808.3 + 196.8

=   1005 Feet

Thus, the distance between balloon A and balloon B is 1005 feet if Charlie is watching hot air balloons Balloon A has risen at a 60° angle Balloon B has risen at an 82 angle option second 1005 feet is correct.

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We can write the given statement as an expression as -

(10 × 4)⁴ - (25/5)

Given is the mathematical statement as -

" the product of 10 and 4, taken to the fourth power, minus the quantity of 25 divided by 5 ".

We can write the expression as -

(10 × 4)⁴ - (25/5)

Therefore, we can write the given statement as an expression as -

(10 × 4)⁴ - (25/5)

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The given statement "Adding together all the residuals from a regression plot will always sum to 0" is False. A residual is defined as the difference between the observed value and the predicted value for each data point in a regression plot. The sum of residuals is not always equal to 0.

In a linear regression plot, the predicted values for each data point are calculated using the line of best fit. The residual for each data point is calculated as the difference between the observed value and the predicted value. The residuals are a measure of how well the line of best fit predicts the observed data. Ideally, the residuals should be randomly distributed around 0.

The sum of the residuals will be 0 only if the line of best fit perfectly predicts the observed data. However, this is not always the case. In fact, a good regression plot will have some residuals that are positive and some that are negative, resulting in a sum that is not equal to 0. This is because the line of best fit is only an estimate of the relationship between the variables being studied and will never perfectly predict the observed data.

Therefore, the statement "Adding together all the residuals from a regression plot will always sum to 0" is False. The sum of residuals may be close to 0 in some cases, but it will not always be exactly equal to 0.

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Answer:

\(y \geq -4\)

Step-by-step explanation:

This is because the lowest the y-coordinate goes to is -4.

Answer:

\(y=-3x+8\)

Step-by-step explanation:

\(-2x+6y=-4\\6y=2x-4\\y=\frac{1}{3}x+\frac{2}{3}\\\)

if two lines perpendicular,

\(m_{1} .m_{2}=-1\\ \frac{1}{3} .m_{2}=-1\\m_{2}=-3\)

the line perpendicular to this line is

\(y=-3x+k\) ; k ∈ R

the line passes through the point (5,-7)

so,

\(-7=-3.(5)+k\\-7=-15+k\\k=8\)

∴the equation of a line that passes through the point (5,-7) and is perpendicular to the line -2x+6y=-4 is

\(y=-3x+8\)

Step-by-step explanation:

I) 9+9+9+9=36

Ii)radius is 4.5 L=2piR= 2pi(4.5)= 9pi

Iii) A=piR^2= pi(4.5)^2 = 20.5pi

IV) 9×9 =81

V) 81-20.5pi = 16.597

Answer:

this is a required answer.

The measures of those two angles are 35° and 50°.

It's important to note that the sum of angles on a quadrilateral is 360°. In this case, two angles of a quadrilateral measure 260° and 15º.

The remaining angles will be:

= 360° - (260° + 15°)

= 85°

Since the other two angles are in a ratio of 7:10, the measure will be:

= 7 / (7 + 10) × 85°

= 7/15 × 85°

= 35°

Also, 10/17 × 85°

= 50°

The angles are 35° and 50°.

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Answer: slope intercept is y=mx+b

standard form is Ax+By=C.

point slope form is y-y₁=m(x-x₁)

so y=2/3x+2 is slope intercept

Answer:

+Slope-intercept is... y=mx+b

+The standard form is... Ax+By=C.

+A point-slope form is... y-y₁=m(x-x₁)

+So... y= x+2 is... slope-intercept

 ❤ I hope this helps you, ma'am/sir/whatever your pronouns are! ❤

Each element has its own story to tell and potential applications to explore, making the study of chemistry and the periodic table an endlessly fascinating endeavor.

However, it is important to note that the concept of "uninteresting" is subjective and can vary from person to person. What one individual may find uninteresting, another might find fascinating.

Therefore, it is not accurate or fair to label any specific periodic element as the "most uninteresting."

Every element on the periodic table has its own unique properties, characteristics, and applications. Each element contributes to the vast diversity of the chemical world and plays a crucial role in various fields such as chemistry, physics, biology, and materials science.

Whether it's the inert noble gases, the reactive alkali metals, or the versatile transition metals, each element offers its own significance and contributes to our understanding of the natural world.

It is more appropriate to approach the periodic table with curiosity and appreciate the remarkable array of elements, rather than singling out one as uninteresting.

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1 I

2

3

4 c

5 a

6

7 f

8 g

9

hope it helps

plz mark as brainliest

Answer: The answer is 7/12

Step-by-step explanation:

First, multiply the denominators by each other (4*3) and you get 12. Then 12 is the main denomanator. Then multiply the numberators by the opposite numberator. (3*1 and 4*1). Then you will put (4/12+3/12) which you add the numberators together but keep the same denomerator and you will get (7/12)

9514 1404 393

Answer:

  a) $15,779.70

  b) $13,679.70

  c) $210.92

Step-by-step explanation:

a) When tax is added, the total cost is ...

  total = price × (1 +tax rate)

  total = $14,775 × 1.068 = $15,779.70

__

b) The amount financed is the difference between the total cost and the down payment.

  financed = total - down35

  financed = $15,779.70 -2100 = $13,679.70

__

c) The monthly payment is found using the amortization formula. It can also be found using any of a number of financial calculators, spreadsheets, or apps.

  A = P(r/12)/(1 -(1 +r/12)^-n) . . . . annual rate r, n monthly payments, principal P

  A = $13,679.70(0.035/12)/(1 -(1 +0.035/12)^-72) ≈ $210.92

Answer:

I DONT KNOW!

Step-by-step explanation:

Answer:

-3x² - 3x - 2

Step-by-step explanation:

simplify the first part

-2x * x - 2x * 3

-2xx - 6x

simplify the second part

(x-1)(x-2)

x * x + x * -2 + -1 * x + -1 * -2

xx + -2x - x + 2

xx - 3x + 2

subtract the simplified expressions

-2xx - 6x - (xx - 3x + 2)

-2xx - 6x - xx + 3x - 2

-3xx - 3x - 2

Answer:

x- 0,3 y-10,0

Step-by-step explanation:

Since g is twice-differentiable and the limit of g as x approaches infinity is 4, we know that g'(x) approaches 0 as x approaches infinity (otherwise, the limit of g would not exist).

Using L'Hopital's rule, we can take the derivative of both the numerator and denominator of the expression 1/infinity, which gives us:
lim as x->infinity g'(x) / 1 = lim as x->infinity g''(x) / 0
Since g''(x) is the derivative of g'(x), we can apply the same logic and use L'Hopital's rule again:
lim as x->infinity g''(x) / 0 = lim as x->infinity g'''(x) / 0
We can continue applying L'Hopital's rule until we reach a finite limit. Since g is twice-differentiable, we know that g'''(x) exists, but we don't know what its limit is as x approaches infinity. However, we do know that g'(x) approaches 0 as x approaches infinity, so we can conclude that: lim as x->infinity g'(x) / 1 = 0
Therefore, 1/infinity multiplied by 0 is equal to 0.
In summary: 1/infinity times the limit of g'(x) as x approaches infinity is equal to 0.

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The equation of the line that passes through the given points in the slope-intercept form is y = (-5/2)x - 1

From the question, we are to determine the equation of the line that passes through the given points

We will pick two value pairs from the table

Picking (-4, 9) and (-2, 4)

Using the formula,

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

Then,

(y - 9) / (x - (-4)) = (4 - 9) / (-2 - (-4))

Simplify

(y - 9)/(x + 4) = -5/(-2 + 4)

(y - 9)/(x + 4) = -5/2

Cross multiply

2(y - 9) = -5(x + 4)

2y - 18 = -5x - 20

2y = -5x -20 + 18

2y = -5x - 2

Divide through by 2

y = (-5/2)x - 1

Hence, the equation is y = (-5/2)x - 1

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(b) No, The branch manager's argument that dispatching buses every 0.5 minutes will reduce the average traveling time (a round trip) to 3.5 minutes is not correct.

To calculate the average time, we need to consider the time it takes for the bus to travel to the airport and back, as well as the time spent waiting for the bus.

If buses are dispatched every 3 minutes, and the average traveling time (a round trip) is 21 minutes, it means that passengers spend 18 minutes waiting for the bus (21 minutes - 3 minutes of traveling time).

If buses are dispatched every 0.5 minutes, the waiting time will be significantly reduced. However, the traveling time remains the same at 21 minutes for a round trip.

Therefore, the average traveling time will not be reduced to 3.5 minutes but will remain at 21 minutes (assuming the traveling time remains constant).

(c) The average traveling time, following the branch manager's suggestion of dispatching buses every 0.5 minutes, would still be 21 minutes.

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Complete question:

The Avis Company is a car rental company and is located three miles from the Los Angeles airport (LAX). Avis is dispatching a bus from its offices to the airport every 3 minutes. The average traveling time (a round trip) is 21 minutes.

(a) The branch manager wants to improve the service and suggests dispatching buses every 0.5 minute. She argues that this will reduce the average traveling time (a round trip) to 3.5 minutes. Is she correct? (Enter "Yes" or "No" in the following blank).

c. Following the branch manager's suggestion (dispatch busses every 0.5 min), what will the average traveling time be? average travelling time ____(mins) (enter the numbers only)

the mode is $6.00

thats the number there is the most of

Answer:

It would be Philadelphia

Answer:

C that’s the answer very easy there u go

Step-by-step explanation:

-780 divided by 6 = -130

The Social Exchange Theory of interpersonal relationship satisfaction suggests that individuals are motivated to stay in a relationship as long as they feel that the rewards of the relationship are greater than the costs.

In the Social Exchange Theory of interpersonal relationship satisfaction, you would feel happiest in relationships when you feel that the rewards of the relationship equal or exceed its costs.

The Social Exchange Theory states that people evaluate their relationships in economic terms, with rewards being the benefits of the relationship and costs being the negatives. Rewards can include affection, attention, emotional support, sex, and companionship. Costs can include time, effort, money, and negative emotions such as stress, anxiety, and sadness.

According to the theory, individuals will be motivated to stay in a relationship as long as they feel that the rewards of the relationship are greater than the costs.

The opposite is also true; if individuals feel that the costs of the relationship are greater than the rewards, they will be motivated to leave the relationship.

Therefore, people are constantly evaluating their relationships to determine whether they are getting what they need from the relationship and whether it is worth continuing.

The Social Exchange Theory of interpersonal relationship satisfaction suggests that individuals are motivated to stay in a relationship as long as they feel that the rewards of the relationship are greater than the costs.

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Answer:

47°

Step-by-step explanation:

they are parallel to each other

Answer:

47

Step-by-step explanation:

47 and x are alternate interior angles

Answer:

11

Step-by-step explanation:

the square root of 129-8 will equal to 11

Answer:

y = 11

Step-by-step explanation:

You first have to insert the x value.

y equals the square root of 129 minus 8

Which would leave it to be the square root of 121 which is 11.

Answer:

Move all terms to the left side and set equal to zero. Then set each factor equal to zero.

Step-by-step explanation:

Exact Form:

\(x=-\frac{1}{2} , \frac{4}{3}\)

Decimal Form:

x=-0.5, -1.¯3

Hope this helps     :)

At least 11 students must take the quiz to assure that at least two have exactly the same answers to all five questions.

Determining the minimum number of students required to guarantee that at least two students have the same answers to all five questions on a multiple choice quiz. Under the area of probability and combinatorics.

There are 4 possible answers for each of the 5 questions, so there are a total of \(4^5 = 1024\) possible sets of answers.

Let's consider the opposite scenario where no two students have exactly the same answers to all five questions. In this case, the first student can choose any of the 1024 possible sets of answers. The second student must choose a different set of answers from the first student, so there are 1023 possible sets of answers for the second student. Similarly, the third student must choose a different set of answers from the first two students, so there are 1022 possible sets of answers for the third student. Continuing in this way, the nth student has 1025-n possible sets of answers to choose from.

Therefore, the total number of possible sets of answers for n students is the product of the number of possible sets of answers for each student:

1024 × 1023 × 1022 × ... × (1025-n)

We want to find the minimum value of n such that this product is less than 1024, because that is the maximum number of sets of answers possible. That is, we want to solve the inequality:

1024 × 1023 × 1022 × ... × (1025-n) < 1024

To simplify this expression, notice that each term in the product is very close to 1024, which suggests that we can approximate the product as \(1024^n\). This approximation is valid when n is much smaller than 1024, which is the case here.

Using this approximation, we can rewrite the inequality as:

\(1024^n\)< 1024

Taking the logarithm base 2 of both sides, we get:

n < log2(1024) = 10

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To find a vector function that represents the curve of intersection of the two cylinders, we can consider the parametric equations for a circle in the xy-plane.

The equation of a circle with radius r centered at the origin is given by:

x = r * cos(t)

y = r * sin(t)

Since both cylinders have the same radius, we can use these equations to represent the curve of intersection. However, we also need to consider the z-coordinate. As the equation provided is incomplete, I assume it was cut off. Please provide the complete equation or additional information to proceed and find the curve of intersection.

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Answer:

54$ is the final selling price of the camera.

Hope this helps :)

A fuel gas is a flammable gas used for combustion in furnaces, boilers, and other heating appliances. Examples of fuel gases include natural gas, liquefied petroleum gas (LPG), propane, butane, and acetylene.

A continuous reactor is a type of reactor that continuously feeds reactants into the reactor and discharges products from the reactor. It operates in a continuous flow manner, allowing for a continuous production of the desired product. This is in contrast to a batch reactor.

A batch reactor is a type of reactor that is charged with a fixed quantity of reactants at the beginning of the reaction. The reaction takes place within the reactor, and once the reaction is complete, the products are discharged from the reactor. It operates in a batch-wise manner, with a distinct start and end to each reaction. This is in contrast to a continuous reactor.

Excess oxygen refers to the presence of oxygen in a combustion reaction in an amount greater than what is required for stoichiometric combustion of the fuel. It means that more oxygen is supplied than needed for complete combustion.

Stoichiometric combustion is a type of combustion in which the amount of oxygen supplied is exactly the amount required for the complete combustion of the fuel. In stoichiometric combustion, there is no excess oxygen present, and the reactants are in the exact ratio required for complete and balanced combustion.

Combustion is a chemical reaction between a fuel and an oxidizer, typically oxygen, that results in the release of heat, light, and often flame. It is an exothermic reaction, meaning that it releases energy in the form of heat.

A closed vessel refers to a container or chamber that is completely sealed, preventing the entry or escape of any matter or substance. In the context of reactors, a closed vessel is used to contain the reactants and products of a chemical reaction within a controlled environment.

Constant volume refers to a condition in which the volume of a system remains fixed and does not change. In the case of a batch reactor, constant volume means that the reactor is charged with a specific quantity of reactants, and the volume of the reactor does not vary during the course of the reaction. It is an important factor to consider when studying the behavior and kinetics of a reaction in a closed system.

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