1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
user100 [1]
3 years ago
14

A pump removes 1000 gal of water from a pool at a constant rate of 50 gal/min. which equation models the amount of water y in th

e pool after t minutes?
a) y=50t - 1000
b) y= 50t + 1000
c) y= -50t - 1000
d) y= -50t + 1000
Mathematics
1 answer:
Oksanka [162]3 years ago
3 0
<span>d) y= -50t + 1000 
You can re-arrange as 
The amount of water left in the pool Y = 1000 gal at the beginning minus 50 gal x number of minutes passed.  1000 - 50t (or -50t+1000)

</span>
You might be interested in
Rs = 8y + 4 , ST = 4y + 8 , and RT = 36 , find the value of y
Natasha_Volkova [10]
I assume that you meant RS and ST are segments of RT.  If that is true then:

RS+ST=RT, using the values for these given...

8y+4+4y+8=36  combine like terms on left side

12y+12=36  subtract 12 from both sides

12y=24  divide both sides by 12

y=2
4 0
3 years ago
Write the decimal expansion for seven ninths
AysviL [449]

Answer:

On my calculator it appears as 0.7 recurring

6 0
3 years ago
Read 2 more answers
Given the line y = − 2 5 x + 3, determine if the given line is parallel, perpendicular, or neither. Select the correct answer fo
stiks02 [169]

Answer:

(a) Neither

(a) Perpemdicular

Step-by-step explanation:

Required

Determine the relationship between given lines

(a)

y = -\frac{2}{5}x + 3

and

y = \frac{2}{5}x + 7

An equation written in form: y=mx + b has the slope:

m \to slope

So, in both equations:

m_1 = -\frac{2}{5}

m_2 = \frac{2}{5}

For both lines to be parallel

m_1 = m_2

This is false in this case, because:

-\frac{2}{5} \ne \frac{2}{5}

For both lines to be perpendicular

m_1 * m_2 = -1

This is false in this case, because:

-\frac{2}{5} * \frac{2}{5} \ne -1

(b)

5y + 2x = -10

and

-5x + 2y = 4

Write equations in form: y=mx + b

5y + 2x = -10

5y = -2x +10

Divide by 5

y = -\frac{2}{5}x +2

-5x + 2y = 4

2y = 5x + 4

Divide by 2

y = \frac{5}{2}x + 2

In both equations:

m_1 = -\frac{2}{5}

m_2 = \frac{5}{2}

For both lines to be parallel

m_1 = m_2

This is false in this case, because:

-\frac{2}{5} \ne \frac{5}{2}

For both lines to be perpendicular

m_1 * m_2 = -1

This is true in this case, because:

-\frac{2}{5} * \frac{5}{2} = -1

Cancel out 2 and 5

-1 = -1

6 0
3 years ago
What is 579 divided by 3
KonstantinChe [14]
Just so you know, you can always use a calculator... or google which I know you have access to, considering you are on this site. Well, actually you could be using the brainly app but that's not the point. What I am trying to say is... you don't have to waste your points on questions like this! That's what Google is for :) Btw... your answer is 193
Download odt
3 0
3 years ago
the 24 students in Mr.browns homeroom sold 72 magazine subscriptions. the 28 students in Mrs. Garcias homeroom sold 98 magazines
GarryVolchara [31]
Just divide..72 divided by 24 is 3
98 divided by 28 is 3.5
4 0
3 years ago
Other questions:
  • Kylie jarred 12 liters of jam after 2 days. How many days does Kylie need to spend making
    6·1 answer
  • The slope of a line is 2. The y-intercept of the line is -6.
    15·2 answers
  • Explain how you would estimate to subtract 189 from 643
    10·1 answer
  • Here are the city gas mileages for 13
    15·1 answer
  • Kolby decided he wanted to go to the amusement park. The amusement park charges $8.00 for entry and $1.40 for each ride.
    7·1 answer
  • _ +18=5+41<br><br> What is the equation to finding the missing number
    9·2 answers
  • MiKiyah invested $2,500 in a simple interest account for 2 years. At the end of the 2 years, she has earned $75 in interested. W
    6·1 answer
  • Which method does NOT describe a way we can find the amount<br> of wood the team gathered per hour?
    11·2 answers
  • What is the difference between a
    8·2 answers
  • Veronica traveled 562 miles to Venice, Florida. She drove 85 miles every day. On the last day of her trip, she only drove 52 mil
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!