Bruno works for Poseidon Pool Service. He needs to drain a 38,000-gallon pool so that he can repair the cracked plaster. The Pool drains 12 gallons per minute.
Write an equation to represent the pool draining in slope-intercept form.


How long will it take for the pool to fully drain? Explain using numbers and words


Bruno needs to refill the pool now that the plaster is repaired. The Pool fills 16 gallons per minute.


Write an equation in slope intercept form to represent the pool filling back up.

*

How long will it take for the pool to fill back up? Explain using words and numbers..

*

Answers

Answer 1

We need to find the function in slope-intercept form. We thus need the y-intercept and slope. We know there are 38000 gallons in the pool already, so the y-intercept is 38000. The pool drains 12 per minute, so the slope is -12.

y = mx + b
y = -12x + 38000

To find the time it takes to drain the pool, we need to find x where y = 0, so we set the equation to 0 and solve for x.

0 = -12x + 38000
-38000 = -12x
-38000/-12 = -12x/-12
3167 = x

Now, to fill it back up, the y-intercept is 0. We know the slope is 16, so the equation is:

y = 16x

Finally, we need to find 16x = 38000. This is simple enough.

y = 16x
38000 = 16x
38000/16 = 16x/16
2375 = x


Related Questions

Please help on 15 and 16.

Answers

Answer:

Step-by-step explanation:

please help
with answer

Answers

Answer: -20

Step-by-step explanation: 16 x 1/4 - 4x 6

Choose the graph of g(x) = |x-1| and its parent function f. Then choose the description of the
transformation.

Answers

top right corner is the graph and it is a shift to the right

Find m∠1 and m∠2. Tell which theorem can be used.

Answers

Answer:

m∠1 = 140 by the Alternate Interior Angles Theorem

m∠2 = 40 by the Consecutive Interior Angles Theorem

Step-by-step explanation:

Express (23)−2 using exponents

Answers

The expression as an exponent is 21^1

What are expressions?

Expressions are mathematical statements that are represented by variables, coefficients and operators

How to evaluate the expression?

The expression is given as

(23) - 2

Open the bracket in the above expression

So, we have the following equation

(23) - 2 = 23 - 2

Evaluate the difference in the above expression

So, we have the following equation

(23) - 2 = 21

The above expression can be rewritten as

(23) - 2 = 21^1

Hence, the equivalent expression is 21^1

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PLEASE ANSWER ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

The points -5 2/3 and 5 1/3 in the number line attached

How to solve an equation

An equation shows the relationship between two or more numbers and variables.

Number line a line containing numbers marked at intervals.

The mixed fraction -5 2/3 is equivalent to -[(5 * 3 + 2)/3] = -17/3

The mixed fraction 5 1/3 is equivalent to [(5 * 3 + 1)/3] = 16/3

The points -5 2/3 and 5 1/3 are represented

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23 out of 26 students want pancakes and the rest want waffles. What is the ratio of the number of students who want waffles to the total number of students?

Write your answer as two numbers separated by a colon (for example, 2:3).
please help asap!!!!

Answers

The ratio of the number of students who want waffles to the total number of students is 3 : 26 students

The ratio of the number of students who want waffles to the total number of students?

Ratio refers to the number representing a comparison between two named things or quantities.

Total number of students = 26Number of students who wants pancakes = 23

Number of students who wants waffles = Total number of students - Number of students who wants pancakes

= 26 students - 23 students

= 3 students

Ratio of the number of students who want waffles to the total number of students = 3 students : 26 students

So therefore, the ratio of the number of students who want waffles to the total number of students separated by a colon is 3 : 26

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What is the solution to the inequality x2 + 2x ≤ 24?

Answers

Answer:

-6 ≤ x ≤ ∨ x = 4

Step-by-step explanation:

x^2 + 2·x ≤ 24

x^2 + 2·x - 24 ≤ 0

-1 - √(1 + 24) ≤ x ≤ -1 + √(1 + 24)

-1 - 5 ≤ x ≤ -1 + 5

-6 ≤ x ≤ ∨ x = 4

Help please promise i'm Grade 2 and I don't know what is this but please help our teacher didn't teach us this.

Answers

Answer:

First one is 92

Step-by-step explanation:

Answer:

1. 9/2

2. 7 3/13

3. 3 13/15

4. 3 25/27

5. 2 1/4

6. 3 30/91

7. 2 5/21

8. 6 3/5

Step-by-step explanation:

When I put it like 2 5/21 I mean it's a mixed number.

Now I'll tell you the steps.

1. Find the common denominator (The denominator is the bottom number of the fraction. To find it you have to write out the multiplies of each number and once a number is the same that's the common denominator.)

2. Multiply the numerator by the amount of times it took to find the common denominator. (The numerator is the top number of the fraction. And the amount of times you'll have to multiply the numerator depends. I'll put an example below)

Example:

4/20 ÷ 7/2

2 goes into 20, 10 times so you have to multiply 7 by 10.

Then you'll get

70/20.

Now you can solve it.

4/20÷70/20

(I put random numbers so the answer may turn out funky this is just an example.)

3. Divide the fractions

4. Simplify answer if possible

I hope this helped!

Solve for x in the triangle. Round your answer to the nearest tenth.
20
X
52°
X =

Answers

Answer:

25.4

Step-by-step explanation:

use sine rule [tex]\frac{a}{sinA}[/tex]=[tex]\frac{b}{sinB}[/tex]

[tex]\frac{20}{sin(52)}[/tex]  ×sin(90)

or

use sine rule [tex]\frac{opposite}{hypotenuse}[/tex]  = sinФ

[tex]\frac{20}{h}[/tex]=sin(52)

rearrange-

20÷sin(52)=h

(h is x)

Bill Gutierrez drove 130 miles at a speed of 65 miles per hour on an expressway for 2 hours. He drove 67.5 miles for 1.5 hours at 45 miles per hours on a state highway. What is his average speed?

Answers

Bill's average speed throughout his journey is 55mi/hr

Average Speed

The average speed Bill drove can be calculated using the formula of speed which is given as

[tex]speed = \frac{distance}{time}[/tex]

Substituting all the values into the equation, we can find the speed.

130 miles at 65mi/hr, 67.5miles at 1.5 hours and 45mi/hr.

[tex]average speed = \frac{65 + 45}{2} = \\speed = \frac{110}{2} = 55mi/hr[/tex]

The average speed at the end of the journey is 55mi/hr

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Describe a series of transformations that takes triangle Q to triangle P.

Answers

ANSWER: Translation of Triangle Q to Triangle P

Horizontal shift 4 units left and Vertical shift 1 unit upward

Isaac performs at a fair he earns 100 dollars plus 3 dollars for every ticket sold he wants to earn more than 450 dollars. write an inequality to find the number of tickets that need to be sold for isaac to earn more than 450 dollars.

Answers

The inequality to find the number of tickets Isaac needs to sell to earn than $450 is 100 + 3x ≤ 450 and the number of times he will sell the tickets is 117.

What is inequality?An inequality in mathematics is a relation that compares two numbers or other mathematical expressions in an unequal way. The majority of the time, size comparisons between two numbers on the number line are made. Inequality, A declaration of an order relationship between two numbers or algebraic expressions, such as greater than, greater than or equal to, less than, or less than or equal to.

So, the inequality can be:

Issac earns:-

By performing $100 and by selling each ticket $3.Let, this be $100 be constant.

Isaac wants to earn $450,

$100 he already has.3 × 117 = $351

So, the inequality that can be formed here is:

Let, 'x' be the number of times Isaac sell the tickets.

100 + 3x ≤ 450

By solving we will get:

100 + 3(117) ≤ 450100 + 351 ≤ 450451 < 450


Therefore, the inequality to find the number of tickets Isaac needs to sell to earn than $450 is 100 + 3x ≤ 450 and the number of times he will sell the tickets is 117.

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Wukong and Nice are playing a soccer match
and the probabilities of them scoring are7/8 and 5/6 respectively. What is the probability that at
least one of them will score a goal if they each
play the ball once?

Answers

The probability that at least one of them will score a goal if they each play the ball once is 47/48.

What is probability?

Probability is a mathematical and scientific term that describes the possibility or occurrence of an event. Many events are difficult to predict with absolute accuracy. Only the likelihood of an event occurring, i.e. how likely it is, can be predicted using probability.

Given:

The probabilities of Wukong and Nice scoring in the match are 7/8 and 5/6 respectively.

The probability that at least one of them will score a goal is,

=  1 - P(both of them not scoring a goal)

So the probability of Wukong and Nice not scoring a goal in the match is,

(1 - 7/8) (1 - 5/6) =  (1/8)(1/6) = 1/48

Now the required probability is,

=  1 - P(both of them not scoring a goal)

= 1 - 1/48

= 47/48

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The equation for line A is given by y = 1/2 x + 4 suppose line A is parallel to line B and line T is perpendicular to line A point (- 3, 1) lies on both lineB and liner T. Part A write an equation for line B Part B Write an equation for line T

Answers

We will find lines B &

can anyone help me pls?


1. Which kind of model do you think best represents the profit for each business?

2. Find a function that models the profit you can expect, based on your projections, for each business. You can round your values to the nearest thousandth, as needed.

Answers

Lawn care is kind of model do you think best represents the profit for each business.

What is profit?

The financial gain a business has when revenue exceeds costs and expenses is repeatedly alluded to as profit. One cup of lemonade, for instance, costs a child at a lemonade stand one quarter. She then charges $2 for the drink. She made $1.75 in profit just on cup of lemonade.

Dog walker = 5 + 12 + 23 + 50 + 62 + 82  = $234

House sitter = 11 + 19 + 29 + 38 + 50 + 73  = $220

Lawn care = 142 + 150 + 165 + 141 + 120 + 91  = $809

Lawn care is kind of model do you think best represents the profit for each business.

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HELPPPP PLEASEEEE

If y varies directly with x, and y=18
when x=6
, find the value of y when x=4
.

Answers

Answer:

y=12

Step-by-step explanation:

1.Took the ratio between x and y value.

18:6 is the same as 3:1 ratio this means that our y value will be 3 times greater than our x value.

Last year, Raina had $10,000 to invest. She invested some of it in an account that paid 7% simple interest per year, and she invested the rest in an account that paid 6% simple interest per year. After one year, she received a total of $620 in interest. How much did she invest in each account?

Answers

If after one year, she received a total of $620 in interest.  The amount that she invest in each account is 2,000 amount invested at 7% , 8,000 amount invested at 6.

Amount invested

Let x represent the amount invested

Hence,

.07x + .06(10,000-x) =620

.07X+600-.06x = 620

Combine like terms

.01x =620-600

.01x=20

Divide both side by .01x

x=20/.01

x =2,000 amount invested at 7%

So,

10,000-2,000 = 8,000 amount invested at 6%

Check :

.07 × 2,000+.06× 8,000=620

150 + 480 = 620

620 =  620

Therefore we can conclude that $2,000 was invested at 7% and $8,000 was invested at 6%.

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What is the equation of the line that is perpendicular to the line y = -5x - 12 and passes through the
point (10, 4).

Answers

Line's equation is y=(1/5)x + 2.

What does perpendicular mean?

In elementary geometry, two geometrical objects are perpendicular if they intersect at a right angle. The condition of perpendicularity can be graphically represented using the perpendicular symbol,. Any pair of lines, any pair of planes, or any pair of lines and planes can be used to define it.

The arrow

In slope-intercept form, y=-5x12

y=mx+b

where the slope m is.

Thus, the slope of this line is

m= -5

Slopes on perpendicular lines are reciprocally negative. In other words, modify the sign by taking the slope's reciprocal.

The reciprocal of (-5) in the negative is 1/5.

Plug in the point to determine b in the formula y = (1/5)x + b.

4 = (1/5)(10) + b

4 = 2 + b

b = 2

The perpendicular line passing through the indicated point is y= (1/5)x + 2.

Thus, the equation of the line that is perpendicular to the line y = -5x - 12 and passes through the point is y= (1/5)x + 2.

point (10, 4). (10, 4).

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What value of n makes the equation true ?

Answers

8 × 0.25n = 2n

8 × -2 = -16

-0.5 × 8 = -4

-0.5 × -4n = 2n

2n - 16 + n= -4 + 2n

2n + n = 3n

3n - 16 = -4 + 2n

-2n -2n

n - 16 = -4

+16 +16

n = 12

Please help,

A map of an amusement park is shown on the coordinate plane with the approximate location of several rides.

Determine the distance between the Woozy Wheel and the Roller Rail.


A. 119 units
B. 11 units
C. 169 units
D. 13 units

Answers

Answer:

D. 13 units

Step-by-step explanation:

Woozy Wheel: (-14, 1)

Roller Rail: (-2, -4)

[tex] \sqrt{ { - 14 - ( - 2))}^{2} + {(1 - ( - 4))}^{2} } [/tex]

[tex] \sqrt{ {( - 12)}^{2} + {5}^{2} } [/tex]

[tex] \sqrt{144 + 25} = \sqrt{169} = 13[/tex]

The distance between the Woozy Wheel and the Roller Rail is D. 13 units

What is the distance formula between two points?

The distance formula between two points (x₁, y₁) and (x₂, y₂) is

D = [tex]\sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}[/tex].

Given, A map of an amusement park is shown on the coordinate plane with the approximate location of several rides.

The point at which Woozy Wheel is (-14, 1) and the point at which Roller Rail

is (-2, - 4).

∴ The distance between the Woozy Wheel and the Roller Rail is,

D = [tex]\sqrt{(-2 + 14)^2 + (-4 - 1)^2}[/tex] units.

D = [tex]\sqrt{(12)^2 + (-5)^2}[/tex] units.

D = [tex]\sqrt{144 + 25}[/tex] units.

D = [tex]\sqrt{169}[/tex] units.

D = 13 units.

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Find the number which wohen added
to its square, makes 90..

Answers

Answer: -10 or 9

Step-by-step explanation:

Let the number be x. Then,

[tex]x^2 +x=90\\\\x^2 +x-90=0\\\\(x+10)(x-9)=0\\\\x=-10, 9[/tex]

What is the volume of this sphere? Use : 3.14 and round your answer to the nearest hundredth. 9 yd cubic yards

Answers

3,058.08 cubic yards

Explanation:

radius = 9 yd

π = 3.14

Volume of a sphere = 4/3 πr³

Volume of sphere = 4/3 × 3.14 × 9³

Volume of sphere = 3052.08

To the nearest hundredth, the volume 3,058.08 cubic yards

View the image to answer the question.

Answers

Considering the table of f ( x ) and graph of g ( x ), the value of the expression  [tex]\lim_{x \to 1} 2f(x)+g(x)^2[/tex] is represented by 3

How to determine the value when x tends to 1 using the graph and the table

The table represents the values of f ( x ). Using the table, checking the value of f ( x ) when x = 1 gives f ( x ) = 1

Using the graph, the value of g ( x ) when x = 1 is traced to give a value of -1

substituting the values of f ( x ) = 1 and g ( x ) = -1  into the equation

[tex]\lim_{x \to 1} 2f(x)+g(x)^2[/tex]

[tex]=\lim_{x \to 1} 2f(1)+g(1)^2[/tex]

[tex]=2(1)+(-1)^2[/tex]

= 2 + 1

= 3

This makes the third option the best choice and the value is 3

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What's the best food you could eat?​

Answers

Answer:

It unexpected, but did you know you could live over 40 years on just pizza! Crazy! It's not so good tho because of all the salt in it, so that's not THE HEALTHIEST. I've looked it up and, fish seems to be the top choice when it comes to what's good for you. I've also have come across dark green vegetables too.

Step-by-step explanation:

I didn't notice you were just talking about what tastes good rather than whats healthiest.... eh! YOUR NOW EDUCATED!!!

Hope it helps! =D

Solve for X to the nearest tenth please help me asap

Answers

Answer:

10.4

Step-by-step explanation:

explanation in photos

What is the correct notation for a ray with endpoint E

Answers

Answer:

There isn't an image to go with your question. repost this question with an image to be able to receive an answer.

Have a nice day :)

Answer:

Step-by-step explanation: You don't have an picture for me to explain add a picture and I'll be able to help you.

What is Huangmei Opera, and where did Huangmei Opera originate?

Answers

Answer:

look at explanation!

Step-by-step explanation:

Huangmei Opera is a local opera of the Han nationality. Being one of Chinese big five operas, Huangmei Opera enjoy equal popularity with Beijing Opera, Yue Opera, Ping Opera and Yu Opera. It originates from Huangmei, a junction of Hubei, Anhui and Jiangxi.

is one of the five major opera genres in China. It is the main local opera in  City, Anhui Province. The predecessor of  Opera is  and Anhui Opera. Also known as  tune, in the middle and late  Dynasty, tea picking tune was combined with local folk opera in  Prefecture, Anhui Province, and sung and recited in  dialect of , and gradually developed into a new type of opera, which was called  at that time. This is the early stage The prototype of i Opera. Later,  drew on the music, performances and repertoires of  and , and began to perform "this opera". Later, with  Town,  County,  Prefecture as the center, and after more than 100 years of development, it became an independent large-scale local drama - Anhui Opera, which was renamed " Opera" in the  Opera is the main local opera variety in Anhui, and after spreading to the neighboring  City, Jiangxi Province, and City, Hubei Province, it eventually became a well-known national opera variety. There are also professional and amateur performance groups of  Opera in Taiwan and Taiwan, which are widely welcomed. After the founding of the People's Republic of China, it quickly developed into an influential opera genre in the whole of China and became famous overseas. In 2006,  Opera was selected into the first batch of China's national intangible cultural heritage.

Step-by-step explanation:

9 = 3y + 37 + 4y solve for y and simplify as much as possible

Answers

[tex]3y + 37 + 4y = 9 \\ 3y + 4y = 9 - 37 \\ 7y =- 28 \\ \frac{7y}{7} = \frac{-28}{7} \\ y = -4[/tex]

ATTACHED IS THE SOLUTION

Three students that share a townhouse find that their electric bill for October is $5.29 less than the September bill. The total of both bills is $155.93, and each bill is split evenly among the roommates how much they each owe in September?

Answers

We will have the following:

From the problem we will have the following expressions:

[tex]\begin{gathered} S=x \\ O=x-5.29 \\ S+O=155.93 \\ 2x-5.29=155.93 \end{gathered}[/tex]

Now, from this we determine the value for the bill on september:

[tex]\Rightarrow2x=161.22\Rightarrow x=80.61[/tex]

Now, since there are 3 people, the payment for each one is:

[tex]\frac{80.61}{3}=26.87[/tex]

So, the payment for each one is $26.87 in September.

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