You notice a hot air balloon descending. The elevation h
(in feet) of the balloon is modeled by the function h(x)=−8x+360,
where x
is the time (in seconds) since you first noticed the hot air balloon.

Graph the function and specify its domain and range. Then interpret the slope and intercepts of the graph.

Answers

Answer 1

Answer:

the domain is 0 x 45 and the range is 0 h 360. The slope is -8, so the change in the height of the ballon is -8 feet per second. The h-intercept is 360, so the height of the ballon when the first noticed it was 360 feet. The x-intercept is 45, so the time it took the hot air balloon to reach the ground was 45 seconds.

Step-by-step explanation:

Answer 2

The descending balloon is an illustration of a linear function.

The balloon spent 45 seconds in air  The balloon was at a height of 360 feet when you noticed it.The balloon descends 8 feet per seconds.[tex]\mathbf{Domain=[0,45]}[/tex].[tex]\mathbf{Range=[0,360]}[/tex]

The function is given as:

[tex]\mathbf{h(x) = -8x + 360}[/tex]

See attachment for the graph of h(x)

From the graph, we have the following observations

The y value ranges from 0 to 360The x value ranges from 0 to 45The function crosses the graph at x = 45 and y = 350

The above highlights mean that:

[tex]\mathbf{Domain=[0,45]}[/tex][tex]\mathbf{Range=[0,360]}[/tex][tex]\mathbf{x-intercept = 45}[/tex][tex]\mathbf{y-intercept = 360}[/tex]

The x intercept means that:

The balloon spent 45 seconds in air  

The y-intercept means that:

The balloon was at a height of 360 feet when you noticed it.

A linear function is represented as:

[tex]\mathbf{y = mx + c}[/tex]

Where:

m represents the slope

By comparison with [tex]\mathbf{h(x) = -8x + 360}[/tex]

[tex]\mathbf{m = -8}[/tex]

The above value of slope means that:

The balloon descends 8 feet per seconds

Read more about linear functions at:

https://brainly.com/question/20286983

You Notice A Hot Air Balloon Descending. The Elevation H(in Feet) Of The Balloon Is Modeled By The Function

Related Questions

how to simplify -2n + 11 + 6n

Answers

Answer:

4n+11

Step-by-step explanation:

-2n+6n=4n

Hope this helps! :)

Answer:

4n+11

Step-by-step explanation:

Move the variables together

-2n+6n+11

4n+11

You are going to make 5 assemblies, where each assembly requires the use of 1 Type A Bolt. You have a container of bolts that consists of 20 Type A bolts, 20 Type B bolts, and 20 Type C bolts. At random, you take 10 bolts out of the container. Determine: A) The probability you took the exact number of Type A bolts you need for your 5 assemblies. B) The probability you did not take enough Type A bolts that you need for your 5 assemblies. C) The probability you took more Type A bolts than you need for your 5 assemblies.

Answers

Answer:

Step-by-step explanation:

You are to make 5 assemblies.

Each assembly requires the use of 1 Type A bolt.

To make the 5 assemblies, you need 5 Type A bolts.

The container of bolts has a total of 60 bolts.

The focus - Type A bolts - is 20 out of this 60.

The probability of obtaining a Type A bolt at all, is 20/60, which is = 1/3

(A) What is the probability of taking the exact number of Type A bolts you need for your 5 assemblies, if you randomly take 10 bolts from the container?

- The exact number of Type A bolts you need for the 5 assemblies is 5

1/3 × 5/10 =  5/30 =  1/6 =  0.167

(B) What is the probability of taking/having less than 5 Type A bolts out of the randomly selected 10 bolts? The solution is to sum up the following:

1/3 × 4/10 = 0.133

1/3 × 3/10 = 0.1

1/3 × 2/10 = 0.067

1/3 × 1/10 = 0.033

1/3 × 0/10 = 0

TOTAL = 0.333

Jazz draws a transversal, t, on two parallel lines AB and CD, as shown below:

Answers

I think it’s A. Hope this helped

Five times the sum of a number and eight is thirty. Find the number.

Answers

Answer:

x = -2

Step-by-step explanation:

Let x be the number:

5(x + 8) = 30Apply the distributed property, so it now looks like this: 5x + 40 = 30Subtract 40 from each side, so it now looks like this: 5x = -10Divide each side by 5 to cancel out the 5 next to x. It should now look like this: x = -2

I hope this helps!

90 POINTS!!!!!
What show is this from?

Answers

Answer:

Trailer Park Boys I believe

Answer:

trailer park boys i think

Step-by-step explanation:

what is 13839x8468=?

Answers

Answer:

117188652

Step-by-step explanation:

Answer:

117,188,652

Step-by-step explanation:

Hope this helps!! And good luck!

Write the product as a power:

(a–b) (a–b)

Answers

Answer:

(a - b)²

Step-by-step explanation:

We are given 2 (a - b) terms.

We can rewrite this as (a - b)².

are angles 1 and 4 vertical?

Answers

Answer:

vertical 5

Step-by-step explanation:

1 and 4 are definitely vertical. They’re across for one another

6th grade math I mark as brainliest

Answers

Answer:

C. 8,034

Step-by-step explanation:

26 x 309 = 8,034

graph the line 8x + 2y =16

Answers

Here is the equation graphed I couldn’t get exact points

Answer:

use Desmos its a graphing calculator

Step-by-step explanation:

HELPPPPPP ILL GIVE YOU BRAINLIEST.

Answers

Answer:

1- Add 15 to both sides

2- 3x - 15 = 27

3- Already answered

4- 3x = 42

5-  Divide both sides by 3

    x = 14

14 hope this helps pls give me brainliest

Kyle invested $15,000 in a savings account. If the annual interest rate is 5%, how much will be in the account in 10 years for quarterly compounding?
Round your answer to the nearest cent.
Do NOT round until you calculate the final answer

Answers

Answer:

The correct answer is 24654.29

Step-by-step explanation:

Identify the values of each variable in the formulas. Remember to express the percent as a decimal.

For quarterly compounding, n=4. There are 4 quarters in a year.

Substitute the values in the formula.

A=15,000(1+0.054)4⋅10

Compute the amount. Be careful to consider the order of operations as you enter the expression into your calculator.

A=$24,654.29

How to find a rational function given 2 vertical asymptotes and an X intercept?

It’s question 20 by the way

Answers

Answer:

[tex]\frac{x-4}{(x+3)(x-5)}[/tex]

Step-by-step explanation:

Since the rational function has vertical asymptotes at -3, and 5, the denominator must equal 0 when x is -3 or 5. Therefore, the denominator must be:

(x+3)(x-5)

Now, to make the x-intercept at (4, 0), the numerator must be equal to 0 when x is 4. Therefore, the numerator must be:

x-4

Therefore, that rational function is:

[tex]\frac{x-4}{(x+3)(x-5_}[/tex]

Borrowed $250
Loan type: single payment
Interest rate: 12%
time of loan: 2mo
amount to repay ___

Answers

Answer:

Total interest paid:

$83.73

Total payments:

$333.73

Multiply
g(x) = x2 + 3x
h(x) = 2x - 2
Find (g* h)(2)

Answers

Answer:

10

Step-by-step explanation:

At first, (goh)(x)= g{h(x)}

= g{2x-2}

={2x-2}^2 +3x

[tex] = 4 {x}^{2} - 8x + 4 + 3x \\ = 4 {x}^{2} - 5x + 4 \\ then \: \:(goh)(2) = 4 \times {2}^{2} - 5 \times 2 + 4 \\ = 16 - 10 + 4 \\ = 10[/tex]

hope u got it.....

1.) x – 12.06 = -9.4
plz help

Answers

Here’s a step by step so you know for next time!

To easily find it you would simply switch around the equation, so instead of doing x-12.06=-9.4 just do -9.4+12.06 (the opposite of subtracting) which equals 2.66. And just to make sure I was correct I plugged it in, and the equation 2.66-12.06=-9.4 is correct.

Answer: x= 2.66

-(-(-(0.75))) =

a. -3/4
b. 3/4
c. -4/3
d. 4/3​

Answers

the answer would be A since a negative times a negative will be positive and a positive times a negative will be negative.

PLS ANSWER THE QUESTION QUICK

Answers

3x+5=-2x-10


solution:

x=3

Simplify
4a + 5b – 3b + a
2 marks)

Answers

Answer:

5a+2b

Step-by-step explanation:

4a + 5b – 3b + a

Combine like terms

4a +a  + 5b-3b

5a+2b

Hi! You need to combine the like terms, find the A’s and b’s.
Answer =5a+2b.

This table shows the ratio of apples to oranges. A 2-column table has 3 rows. Column 1 is labeled Apples with entries 6, 9, 12. Column 2 is labeled Oranges with entries 10, 15, question mark. Find the missing value in the table of equivalent ratios.

Answers

Given:

This table shows the ratio of apples to oranges.

Apples      Oranges

   6                 10

   9                 15

  12                  ?

To find:

The missing value in the table of equivalent ratios.

Solution:

Let the missing value be x.

The ratios of apple and oranges are equivalent. So,

[tex]\dfrac{6}{10}=\dfrac{9}{15}=\dfrac{12}{x}[/tex]

[tex]\dfrac{3}{5}=\dfrac{3}{5}=\dfrac{12}{x}[/tex]

[tex]\dfrac{3}{5}=\dfrac{12}{x}[/tex]

On cross multiplication, we get

[tex]3\times x=12\times 5[/tex]

[tex]3x=60[/tex]

Divide both sides by 3.

[tex]x=20[/tex]

Therefore, the missing value is 20.

Answer:

20

Step-by-step explanation:

hope it helps

In the game of​ roulette, a player can place a ​$ bet on the number and have a probability of winning. If the metal ball lands on ​, the player gets to keep the ​$ paid to play the game and the player is awarded an additional ​$. ​ Otherwise, the player is awarded nothing and the casino takes the​ player's ​$. What is the expected value of the game to the​ player? If you played the game 1000​ times, how much would you expect to​ lose?

Answers

Complete Question

The complete question is shown on the first uploaded image

Answer:

a

The expected amount to be lost is  0.5263 cents per game

b

The expected amount to be lost is  

     [tex]P = \$ 526 .3 [/tex]

Step-by-step explanation:

From the question we are told that

   The probability of winning is  [tex]p = \frac{1}{38} = 0.0263[/tex]

   

Generally the probability of losing is mathematically evaluated as

            [tex]q =  1-p [/tex]

=>        [tex]q = 1-0.0263 [/tex]

=>        [tex]q = 0.9737[/tex]

Generally the expected value is mathematically represented as

      [tex]E(X) =  \sum x_i *  P(x_i)[/tex]

Here [tex]x_i[/tex] is a discrete variable (i.e it is a countable )  are outcomes of the player winning and the player losing

So

     [tex]E(X) =   x_1 *  P(x_1) + x_2 *  P(x_2)  [/tex]

Now the outcome of winning is  making $350  so

       [tex]x_1 = \$ 350[/tex]

        the outcome of losing is losing $10  so  

        [tex]x_2 = - \$10[/tex]

So

     [tex]E(X) =  350* 0.0263 -10 *  0.9737  [/tex]

       [tex]E(X) = -0.5263 [/tex]

hence the expected amount to be lost is  0.5263 cents per game

If you played the game 1000​ times, the amount that is expected to be lost is  

    [tex]P =  1000 * -0.5263[/tex]

=> [tex]P = -\$ 526 .3 [/tex]

Hence the expected amount to be lost is  

     [tex]P = \$ 526 .3 [/tex]

what is the equation of the line that passes through (-1,-4) and (9,-5) ?

Answers

Answer:

y=-1/10 x - 41/10

Step-by-step explanation:

slope: y2-y1 / x2-x1 = -5-(-4) /  9-(-1) = -1/10

y= -1/10 x +b, substitute (-1,-4) to solve b

-4=-1/10 (-1) +b

b=-41/10

25 points for grabs!

I have 1 bag of marbles. I put in 3 extra marbles. There are now 9 marbles in the bag. How many were in the bag to begin with?

Look I very obviously know that the answer is 6, however I would like the working out and just an explanation on how to do it. Please and thank you <3

Answers

Answer:

6 marbles

Step-by-step explanation:

Let the initial number of marbles be x

Then added 3 and got 9 as final number

Equation for this and solution

x + 3 = 9x = 9 - 3x = 6

The larger of two numbers is one more than four times the smaller number . If the sum of the numbers is 61, find the numbers.

Answers

Step-by-step explanation:

Let the smaller number be x.

So, according to Question,

the larger number will be 1+4x.

Now, sum of the numbers is 61, like this:-

[tex]1 + 4x + x = 61[/tex]

[tex]5x = 61 - 1[/tex]

[tex]5x = 60[/tex]

[tex]\tt{x = \dfrac{60}{5}}[/tex]

[tex]\boxed{\tt{x = 12}}[/tex] is the required Answer.

Hope it helps :)

greg is working on a school project

Answers

Answer: Cool

Step-by-step explanation:

Greg is working on a school project

Answer:

noice

Step-by-step explanation:

Can anyone answer these questions?

Answers

Answer:

1. y² = 169

taking a square root of both sides

y = √169

we know that 13 * 13 = 169

since when squaring a number, the signs on the numbers do not matter

(i.e - 2* 2 = 4 and (-2)*(-2) = 4)

So (-13) * (-13) = 169 as well

Hence we can say that √169 = ±13      OR      √169 = +13   and   -13

2. Volume of a cube-shaped crate = side*side*side

Volume = side³

(We are given that volume = 27)

27 = side³

side = ∛27

Since 3*3*3 = 27     and (-3)*(-3)*(-3) = 27

So, we can say that ∛27  = ± 3

BUT

the side of a crate cannot be negative, so the side will NOT be -3 and hence,

side = 3

3. b³ = 1000

we know that 10*10*10 = 1000    and     (-10)*(-10)*(-10) = 1000

So, ∛1000 =  ∛(10*10*10)= ±10

4. Area of a square(Patio)  = Side²

Area = Side²

196 = Side² (Since we are given the area of the patio)

Side = √196 = √(14*14) or √(-14*-14)

Hence,

Side = + 14 or -14

but the side of a patio cannot be negative

Side = +14 ft

ANSWER ASAP!!!!
Kim has 40 coins worth $8.80. The coins are a combination of nickels and quarters. How many of each type of coin does she have?
Kim has __ quarters and __ nickels

Answers

Answer:

34 quarters.

6 nickles.

Step-by-step explanation:

(-m2 + 6) + (-4m2 + 7m + 2) =

Answers

Answer:

−5m² + 7m + 8

Explanation:

−m² + 6 − 4m² + 7m + 2

= −m² + 6 + −4m² + 7m + 2

[ Combine Like Terms ]

= −m² + 6 + −4m² + 7m + 2

= ( −m² + −4m²) + (7m) + (6 + 2)

= −5m² + 7m + 8

Consider the line y=-1/2x+8
What is the slope of a line parallel to this line?
What is the slope of a ine perpendicular to this line?

Answers

Given parameters:

Equation of the line is y = -[tex]\frac{1}{2} x[/tex] + 8

Unknown:

Slope of line parallel to this line = ?

Slope of line perpendicular = ?

Solution:

A line parallel to this line will have the same slope with it.

A line perpendicular will have the negative inverse of this slope;

Slope of line  = - [tex]\frac{1}{2}[/tex]

Slope of line parallel to this line = [tex]-\frac{1}{2}[/tex]

Slope of line perpendicular = negative inverse = -( -([tex]\frac{1}{\frac{1}{2} }[/tex]))   = 2

So, the slope of line parallel to this line is - 1/2 and that perpendicular is 2

The International Average Salary Income Database provides a comparison of average salaries for various professions. The data are gathered from publications and reports obtained directly from government agencies (such as the U.S. Bureau of Labor Statistics) or from the International Labour Organization. Suppose you are told that an accountant in Canada who makes $2, 646.00 has a z-score of +0.50 relative to other accountants in Canada and that the standard deviation of the salary of accountants in Canada is $588.00. The average salary, then, for accountants in Canada is _____. Suppose you are also told that an accountant in Portugal who makes $2, 329.40 has a z-score of +2.00 relative to other accountants in Portugal and that the mean of the salary of accountants in Portugal is $1, 553. The standard deviation of the salary, then, for accountants in Portugal is _____ .

Answers

Answer:

a)The average salary, then, for accountants in Canada is $2352

b) The standard deviation of the salary, then, for accountants in Portugal is $388.2

Step-by-step explanation:

The formula for calculating a z-score is is z = (x-μ)/σ,

where:

x is the raw score

μ is the population mean

σ is the population standard deviation.

a) Suppose you are told that an accountant in Canada who makes $2,646.00 has a z-score of +0.50 relative to other accountants in Canada and that the standard deviation of the salary of accountants in Canada is $588.00. The average salary, then, for accountants in Canada is _____.

z = (x-μ)/σ

z = 0.50, x =$2,646.00 μ = ?? σ = $588

Hence,

0.50 = 2,646 - μ/588

0.50 × 588 = 2,646 - μ

294 = 2,646 - μ

μ = 2,646 - 294

μ = $2352

Therefore, the average salary, then, for accountants in Canada is $2352

b) Suppose you are also told that an accountant in Portugal who makes $2, 329.40 has a z-score of +2.00 relative to other accountants in Portugal and that the mean of the salary of accountants in Portugal is $1, 553. The standard deviation of the salary, then, for accountants in Portugal is _____ .

z = (x-μ)/σ

z = 2, x = $2,329.40 μ =$1,553 σ = ?

2 = ($2,329.40 - $1,553)/σ

2σ = $2,329.40 - $1,553

σ = $2,329.40 - $1,553/2

σ = $776.4 /2

σ = $388.2

Therefore, the standard deviation of the salary, then, for accountants in Portugal is $388.2

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