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
masya89 [10]
2 years ago
14

Working alone, Darryl can mop a warehouse in 11 hours. Elisa can mop the same warehouse in 9

Mathematics
1 answer:
Harrizon [31]2 years ago
3 0

Answer:

  • ≈ 5 hours

Step-by-step explanation:

<u>Time needed if they work together:</u>

  • 1 / (1/11 + 1/9) =
  • 1/ (20 / 99) =
  • 99/20 ≈ 5 hours
You might be interested in
Here are four number cards.
vfiekz [6]

Answer:

its number 6

Step-by-step explanation:

6 0
3 years ago
Find the distance ??????
Levart [38]

Answer:

Yes

Step-by-step explanation:

5 0
3 years ago
PLZZZZZ NEED HELP!!!!!!!
ruslelena [56]

Answer:

1.90

Step-by-step explanation:

7 0
3 years ago
Write an equation or system of equations to solve the problem below.
VashaNatasha [74]

Equations:

2x+105=-3x+130

<em>subtract</em><em> </em><em>2x</em><em> </em><em>from</em><em> </em><em>both</em><em> </em><em>sides</em><em> </em>

<em>105</em><em>=</em><em> </em><em>-5x</em><em>+</em><em>130</em>

<em>Subtract</em><em> </em><em>130</em><em> </em><em>from</em><em> </em><em>both</em><em> </em><em>sides</em>

<em>-5x</em><em>=</em><em> </em><em>-25</em>

<em>isolate</em><em> </em><em>the</em><em> </em><em>variable</em>

<em>x</em><em>=</em><em>5</em><em> </em>

<u>Plug</u><u> </u><u>back</u><u> </u><u>in</u>

<u>2</u><u>(</u><u>5</u><u>)</u><u>+</u><u>105</u><u>=</u><u> </u><u>-3</u><u>(</u><u>5</u><u>)</u><u>+</u><u>130</u>

<u>115</u><u>=</u><u> </u><u> </u><u>115</u>

5 0
3 years ago
Whats the square root of 39 to the nearest whole
Rasek [7]
The square root of 39 is 6.224
5 0
3 years ago
Other questions:
  • Each group member is permitted to consume one-third of a pizza. If there are twenty-four members in the group, how many pizzas s
    5·2 answers
  • Which of the following are quadratic functions?
    5·2 answers
  • The square root of 18 is between which of the following pairs of numbers?
    10·1 answer
  • Ayuda es un ordinario
    11·1 answer
  • I need help I don’t understand
    13·1 answer
  • One gallon of water weighs about 8.34 pounds. how much does 3.5 gallons of water weigh? write a proportion and solve.
    5·1 answer
  • A store buys 7 sweaters for $42 and sells them for $182. How much profit does the store make per sweater?
    8·1 answer
  • The Jones family bought two burgers and one hot dog, paying a total of $4.82. The Smith family bought one burger and two hot dog
    9·1 answer
  • How many times greater is the value of the 4 in 64781 than the value of the 2 in 25409
    9·1 answer
  • Choose the word that correctly completes the statement. Triangle A B C is shown. Angle A C B is 45 degrees, angle C B A is 75 de
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!