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
professor190 [17]
3 years ago
7

A swimming pool has to be drained for maintenance. The pool is shaped like a cylinder with a diameter of 10m and a depth of 1.4m

. Suppose water is pumped out of the pool at a rate of 18 m3 per hour. If the pool starts completely full, how many hours will it take to empty the pool?
Mathematics
1 answer:
Volgvan3 years ago
7 0

Answer:

6.1 hrs

Step-by-step explanation:

Volume of the cylinder = pi * (10/2)^2 * 1.4 m^3 = 109.956 m^3

So, time required = 109.953/18 hrs = 6.108 hrs ≈ 6.1 hrs

You might be interested in
Which of the following options have the same value as 2% of 90? Choose 2 answers: А 0.2.90 B 0.02.90 200.90 2.90 E 2 . 90 100​
Wewaii [24]

Answer:

0.02.90 and 2.90

Step-by-step explanation:

2% of 90 equal to both 0.02.90 because are worth same.

7 0
3 years ago
What is the area of a figure that is formed using a parallelogram with base 5.2 meters and height 3 meters, and a semicircle wit
S_A_V [24]

Answer:

40.7m^2

Step-by-step explanation:

Base×Height= 5.2m×3=15.6m2

Area of semicircle= Pie r^2= Pie×4^2=16×pie

pie×16÷2=8×pie

8×3.14=25.12m2

15.6m2+25.12m2=40.72m2

rounded to nearest tenth=40.7m2

8 0
3 years ago
Read 2 more answers
3⁴-21÷7 use pemdas. to solve this
9966 [12]

3⁴-21÷7

According to PEMDAS ( order of operations):

First, Do exponents before multiplying or dividing: 3^4

81-21÷7

Then, divide before subtracting (27÷7 )

81- 3

Finally, subtract

78

8 0
1 year ago
A TV has a listed price of $593.99 before tax. If the sales tax rate is 6.5% , find the total cost of the TV with sales tax incl
podryga [215]
There r 2 ways to do this...

(1) 593.99 * 1.065 = 632.599 rounds to 632.60 <==

or

(2) 593.99 + 0.065(593.99) = 593.99 + 38.61 = 632.60 <==
7 0
3 years ago
F(x) = x^2+ 2x-5
Mekhanik [1.2K]

Answe

Step-by-step explanation:

B

4 0
3 years ago
Other questions:
  • Mary wants to make brownies to make brownies she needs 7/12 of a cup of flour per batch of brownies if Mary has 7 cups of flour
    13·1 answer
  • What is 2/9 turned into a decimal?
    6·2 answers
  • When a number is doubled and then added to 24,the result is 49
    10·1 answer
  • Help please!!! 8th grade easy math
    13·2 answers
  • PLEASE HELP!!!
    14·2 answers
  • What is the sum of the roots of the polynomial shown below?<br> f(x) = x^3 + 2x^2 - 11x-12
    11·1 answer
  • If 4 3 • 4 3 = m 6, then m is _____. 1 4 8 16
    15·1 answer
  • Use the grouping method to factor the polynomial below x^3 -4x^2+3x-12
    6·1 answer
  • Markers make up what percent of the school supply inventory?
    11·2 answers
  • When x= 3, y = 36.<br> When x = 10, y = 120.<br> What is the constant of proportionality?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!