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
zaharov [31]
4 years ago
14

Two taps A and B fill a swimming pool together in two hours. Alone, it takes tap A three hours less than B to fill the same pool

. How many hours does it take each tap to fill the pool separately?
Mathematics
2 answers:
lora16 [44]4 years ago
7 0


a=b-3

2/)b-3)+2/b=1

a=3 hours

b=6 hours

Ira Lisetskai [31]4 years ago
6 0
Let's call a the number of hours it takes for A to fill the pool and b the number of hours it takes for B to fill the pool.

We have a=b-3 and \frac{2}a+\frac{2}b=1 hence \frac{2}{b-3}+\frac{2}b=1\Leftrightarrow b^2-7b+6=0\Leftrightarrow b=6\text{ or }b=-1 hence b=6 and thus a=3.

\boxed{b=6,a=3}
You might be interested in
You want to put some money in a simple interest account. it pays 8% interest annually for 2 years. you would like to earn $500 i
kicyunya [14]
P=i/rt
P=500/(0.08*2)
P=3,125
7 0
4 years ago
Quickest answer gets BRAINLIEST!!!!
saw5 [17]

Answer:

I would say about 15 mL/g/wutever the unit of weight is

3 0
3 years ago
Read 2 more answers
(2x-3)(x+5)<br> SHOW WORK FOR POINTS
vagabundo [1.1K]
(2x-3)(x+5)
Use foil to simplify, First multiply together the first terms of the pairs, then the outer terms, the middle terms, and finally the last terms. Then combine like terms.
2x^2+10x-3x-15 equals 2x^2+7x-15
5 0
4 years ago
HELP ME WIT THIS PLEASE no
Leokris [45]

Answer:

Drews answer was correct

Step-by-step explanation:

try using desmos graphing calculator it helps

7 0
3 years ago
Here are the first five terms of an arithmetic sequence.
KatRina [158]

Answer:y=-7n+33

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • Let W(s, t) = F(u(s, t), v(s, t)), where F, u, and v are differentiable, and the following applies. u(1, −9) = 3 v(1, −9) = 0 us
    14·1 answer
  • Simplify: (9w9 + 4w - 4)+(2w9 +6w +9)
    5·1 answer
  • The cost to rent a lawn tractor is $20 an hour plus the cost of gas.Shelly paid a total of $60 for gas in a lawn tractor she ren
    12·1 answer
  • You invested $29000in two accounts paying 3% and 8% annual interest, respectively. If the total interest earned for the year was
    10·1 answer
  • Alicia borrowed 15,000 to buy a car. She borrowed the money at 8% for 6 years. How much will she have to pay the bank at the end
    7·1 answer
  • Rew wants to go to the batting cage. it costs $1.25 to hit per round. which equation can be used to represent how many rounds dr
    8·2 answers
  • What is the domain of D(t) as it applies in this situation?
    9·1 answer
  • A publisher estimates that 8 of every 50 books become national best sellers. What's percentage of the books do not become nation
    15·1 answer
  • Let f(x) = 5x + x2 and g(x) = 3x2 - 4x. Find f(x) * g(x)
    5·2 answers
  • Pls help me with math no links pls thank you will mark you brainliest<br><br>18 points
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!