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
dlinn [17]
3 years ago
5

One crew can seal a parking lot in 12 hours and another in 15 hours. how long will it take to seal the parking lot if the two cr

ews work together?
Mathematics
1 answer:
MakcuM [25]3 years ago
6 0
This is a typical work problem in algebra. The approach to this is using the equation: Rt = 1, where R is the rate per person working, t is the amount of time worked by an individual. All their rates must equal to 1. The solution is as follows:

12/x + 15/x = 1
Solving for x,
x = 27 hours

So, if they work together, they can finish the work in 27 hours.
You might be interested in
Help me please ill give brainlist
solmaris [256]

Answer:

106.8 in.

Step-by-step explanation:

The circumference of a circle:

C = 2πr

Substitute the given information into the formula.

C = 2(3.14)(17) = 106.8

5 0
3 years ago
Read 2 more answers
How to solve x/3 + 4 = -2
r-ruslan [8.4K]

Answer:

x=−18

Step-by-step explanation:

Let's solve your equation step-by-step.

x

3

+4=−2

Step 1: Simplify both sides of the equation.

1

3

x+4=−2

Step 2: Subtract 4 from both sides.

1

3

x+4−4=−2−4

1

3

x=−6

Step 3: Multiply both sides by 3.

3*(

1

3

x)=(3)*(−6)

x=−18

5 0
2 years ago
Read 2 more answers
16 out of every 20 students prefer hamburgers or hotdogs what percent of students prefer hamburgers
mel-nik [20]

Answer:

16

Step-by-step explanation:

16

4 0
1 year ago
How is 7.54÷4= 1.88<br><br>I got 1.88 with the remainder of 2​
Naddika [18.5K]

Answer:

I got 1.885 for the answer.

Maybe they wanted it rounded to just 2 decimal places.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Бx + 4y= 18 —бх+ бу = -18​
sertanlavr [38]

Answer:

x= 3

y = 0

Step-by-step explanation:

•Add the two equations to cancel out +6x and -6x

•Find the value of y

•Substitute the value of y into equation 1 to find the value of x.

Hope I was able to help you:)

7 0
3 years ago
Other questions:
  • 7(2+2x)+(x+2)⋅6 what is the answer
    8·1 answer
  • Dr. Cyril conducts a simple random sample of 500 men who became fathers for the first time in the past year. He finds that 23% o
    9·1 answer
  • What is the answer to a situation that could be modeled with the ratio 4 to 1
    11·1 answer
  • The radius of a sphere is 3 inches. Which represents the volume of the sphere?
    8·1 answer
  • 1000 digits of pi...
    12·2 answers
  • Determine the slope and y-intercept of the line represented by the equation:<br> 3x – 4y - 16 = 0
    6·2 answers
  • I pick a ball from a bag, replace it and then pick
    13·1 answer
  • UVWX is a parallelogram. What is the measure of angle XUV?
    14·1 answer
  • What is the equation of the line whose y-Intercept is 3 and slope is 1?
    12·1 answer
  • 5. (07.02 MC) What is the value of y in the equation 2(2y - 16) = 0? (5 points) O 4 06 8 O O​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!