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
Leni [432]
3 years ago
8

A new type of pump can drain a certain pool in 3 hours. An older pump can drain the pool in 9 hours. How long will it take both

pumps working together to drain
the pool?
Mathematics
2 answers:
stepladder [879]3 years ago
7 0
Together the pool can be drained in 2 hours and 18 minutes.
Or if im correct 4.5 hours
ale4655 [162]3 years ago
6 0

Answer: Together the pool can be drained in 2 hours and 18 minutes.

You might be interested in
The perimeter is 40. How much bigger is the longest side than the shortest side?
sesenic [268]

Answer:

10

Step-by-step explanation:

40=2a<u>-3</u>+2a+3a<u>+1</u>

add like terms

  • 40=7a-2

get 'a' by its self

  • 40(+2)=7a<u>-2(+2)</u> [2 cancels out]
  • 42(÷7)=7a(÷7) [7 cancels out]
  • a=6

plug in the answer for Equations

  • biggest: 3(6)+1= 18+1= 19
  • smallest: 2(6)-3= 12-3=9

subtract smallest from biggest

  • 19-9=10

3 0
4 years ago
2/3 of 12 3/8 <br><br><br> this is easy but im dum.b
bezimeni [28]

Answer: 17/2

Step-by-step explanation: 2/3 of 12 3/8 = 8.25

8.25 as a fraction= 17/2.

3 0
2 years ago
Which of the following is a linear function?
Black_prince [1.1K]

Answer:

C

Step-by-step explanation:

the only it has constant rate of change (slope, gradient or derivative at every point is equal)

6 0
3 years ago
GIVING BRAINLIEST TO WHOEVER ANSWERS FIRST! ASAP<br><br>Answer 2 and 3 that's all!​
stira [4]
X - 0, 1, 2, 3
y - 0, 1.5, 3, 4.5

5 0
3 years ago
Helppppppp pleaseeee
Natasha2012 [34]

Answer:

23 more cars than trucks.... It means you add 23 over the number of trucks

2 trucks | 2+23 =25

Do u get it

8 0
3 years ago
Other questions:
  • There are 1500 bees in a colony. Each month, the number of bees decreases by 12%. There are 800 flowering plants in a garden. Ea
    9·1 answer
  • Solve by the substitution method 7x+6y = -17 -3x+y =18
    11·1 answer
  • 20 = 4 + 4n - 6n for algebra 2
    10·1 answer
  • For h(x) = x3 + 2x, find h(4).
    6·1 answer
  • 4*2 + 3[37 – (2x5)]=<br> Exponents are this *
    8·1 answer
  • In the diagram below, AB = 15, DB = 6, BC = 8, and
    8·1 answer
  • What is the slope between (2, 7) and (3, 3)
    13·1 answer
  • Can someone please answer these four questions for me? Please and thank you​
    6·1 answer
  • 3.797979 to a rational number
    12·1 answer
  • Clancy and Ethan are starting new books so far clancey has read 1/4 of his book which has 240 total pages and ethan has read 2/5
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!