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
77julia77 [94]
3 years ago
15

Camille and Lawrence can each mop the floor and vacuum the carpets at their house in two hours. Gaston needs three hours do the

same job by himself. If Camille Lawrence and Gaston work together how long will it take them to clean the house
Mathematics
1 answer:
denpristay [2]3 years ago
6 0
It will take them 3/4 of an hour together.

Camille can mop and vacuum 1/2 of the house per hour.
Lawrence can mop and vacuum 1/2 of the house per hour.
Gaston can mop and vacuum 1/3 of the house per hour.

Working at this rate for x amount of time, they can all three complete 100% of the job:

1/2x+1/2x+1/3x=1

Combining like terms,
1 1/3x = 1
3/3x + 1/3x = 1
4/3x = 1

Divide both sides by 4/3:
4/3x÷4/3 = 1÷4/3
x = 1/1÷4/3
x = 1/1×3/4
x = 3/4
You might be interested in
The area of a rectangle is 25/42 and its width is 5/6. What is the length? ASAP
Serhud [2]

Answer:

<h2>length =  \frac{25}{28}</h2>

Step-by-step explanation:

Let the length of the rectangle be l

Area of a rectangle = length × width

From the question

Area = 25/42

width = 5/6

Substitute the values into the above formula and solve for the length

That's

<h3>length =  \frac{area}{width}</h3>

So we have

<h3>length =  \frac{25}{42}  \div  \frac{4}{6}  \\  =  \frac{25}{42}  \times  \frac{6}{4}  \\  =  \frac{25}{7}  \times  \frac{1}{4}</h3>

We have the final answer as

<h3>\frac{25}{28}</h3>

Hope this helps you

8 0
3 years ago
An acid is a substance that increases the concentration of H3O+ ions in solution. Look at the reaction below of phenol (C6H5OH)
Law Incorporation [45]

Answer:

The reactant that acts as an acid, by contributing an H⁺ ion to create H3O+ in the chemical equation is C₆H₅OH.

Step-by-step explanation:

According to Brønstend-Lowry, an acid is a substance that transfer a proton (hydrogen cation, H⁺) to a base, forming a base conjugate for the first and an acid conjugate for the second.      

From the following reaction:

C₆H₅OH(aq) + H₂O(l)  →  C₆H₅O⁻(aq) + H₃O⁺(aq)

   

We have that the C₆H₅OH transfer a proton to the water to form its conjugate base C₆H₅O⁻ and the conjugate acid of water H₃O⁺. Hence, the C₆H₅OH is the acid and the water is the base.

Therefore, the reactant that acts as an acid, by contributing an H⁺ ion to create H3O+ in the chemical equation is C₆H₅OH.

I hope it helps you!

8 0
4 years ago
Read 2 more answers
Please help due today
marusya05 [52]

Answer:

15

Step-by-step explanation:

Let the smallest integer be x. The integers will be x, x+1, x+2, all the way up to x+6.

119 = 7x + (1+2+3+4+5+6)

119 = 7x + 21

7x = 98

x = 14

The second smallest integer will be x+1, so x+1 = 15.

5 0
3 years ago
The graph of 3x + 4x = -1 is shown on the grid. Which ordered pair is in the solution set of 3x + 4y ≤ -1?
Angelina_Jolie [31]

ANSWER

C(2,-6)

EXPLANATION

The solution set to given inequality is the shaded region.

The points are also located in the graph above.

The only point that falls in the solution region is C(2,-6)

The ordered pair that is in the solution set is C(2,-6)

The third option is correct.

8 0
4 years ago
3 out of 25 men are left handed handed what present are left handed
inn [45]

I believe it would be 12%

4 0
3 years ago
Read 2 more answers
Other questions:
  • Which expressions are equivelent to 3 1/4 - (-5/8)
    12·1 answer
  • Whats 48.7 divided by 1.2
    10·2 answers
  • Maria has added 4 liters of pure water to 4 liters of a 20% sugar syrup. What is the concentration of the resulting solution?
    7·2 answers
  • I need help on my math sheet
    11·1 answer
  • *answer fast!!
    9·1 answer
  • Ok so i need help with this the image is below
    12·2 answers
  • Can you help me figure out the other side of this triangle? I'm racking my brain and finding nothing!​
    15·1 answer
  • 90% of 60,000,000 <br><br> Please help soon
    9·2 answers
  • Round the number to one decimal place. 67.638
    13·2 answers
  • Someone pls help me with this I will make you brain
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!