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
Sever21 [200]
3 years ago
13

Amy can mop the store in 30 minutes. James can mop the store in 45 minutes. How long would it take them if they worked together?

Mathematics
1 answer:
zavuch27 [327]3 years ago
5 0
Solve the equation 1/30 + 1/45 = 1/x  

where x is the required time

multiply thru by 90x:-

3x + 2x  = 90

x = 90 / 5 = 18

answer 18 minutes
You might be interested in
Helpp plzz will mark brainleast
vladimir1956 [14]

Answer:

can we see the text and part a

like you know the question is asking abt that

4 0
2 years ago
What percent of workers have output more than 70 units?
ivann1987 [24]

Answer:

30%

Step-by-step explanation:

6 0
3 years ago
PLEASE HELP! WILL MARK BRAINLIEST!
julsineya [31]
First of all, you would use the FOIL method for -5(a + 3). This means to just multiply -5 to all of the values in the parenthesis. This would equal:

-5a -15 = -55

Then after, you would add 15 for both sides and get -5a = -40

Divide by -5 on both sides, you get a = 8.

Here is a visual representation: https://puu.sh/zPxLC/a16740d0ce.png

7 0
3 years ago
Read 2 more answers
Determine the equation of the line that passes through points (2,4) and (6,1)
zzz [600]

Answer:

y = -3/4x + 11/2

Step-by-step explanation:

y2 - y1 / x2 - x1

1 - 4 / 6 - 2

-3 / 4

-3/4

y = -3/4x + b

4 = -3/4(2) + b

4 = -3/2 + b

11/2 = b

6 0
3 years ago
What is the exact volume of the cone, height is 16ft and the radius is 5 ft.
dedylja [7]
V=<span><span>π <span>r^2</span></span><span>h/<span>3

V = </span></span></span>π r 5^2 16/3

Raise 5<span> to the </span>power<span> of </span>2<span> to get </span><span>25.
</span><span>V=π*25*<span>16/3

</span></span>Move 25<span> to the left of the </span>expression <span><span>π⋅25</span>.
</span><span>V=25*π*<span>16/3

</span></span>Multiply 25<span> by </span>π<span> to get </span><span><span>25π</span>.
</span><span>V=25π*<span>16/3
</span></span>
Multiply <span>25π</span><span> by </span><span>163</span><span> to get </span><span><span>25π(<span>16/3</span>)</span>.
</span><span>V=25π(<span>16/3</span>)</span>

Simplify

Multiply 16<span> by </span>25<span> to get </span><span>400.</span> 
<span>V=(<span>400/3</span>)π</span><span> 
</span>
Combine <span>400/3</span><span> and </span><span>π/1</span><span> to get </span><span><span><span>400π/</span>3</span>.
</span><span>

V=<span><span>400π/</span>3</span></span> 
V≈<span>418.8790</span>


4 0
3 years ago
Read 2 more answers
Other questions:
  • Rhea is a freelance writer. She works for multiple clients and has several sources of income. Some of her clients pay her more t
    14·2 answers
  • Complete the table dkskdsalaoakz
    9·1 answer
  • Sales tax is calculated as a percentage of the sales price. If sales tax is 7%, what is the sales tax on clothing that costs $15
    14·1 answer
  • Six less than twice a number, x, is 38. What is the value of x?<br> 76<br> 16<br> 70<br> 22
    14·1 answer
  • Please help me!..........
    14·1 answer
  • I need to know the answer asap
    15·1 answer
  • -5/6x-1/9x=-102<br><br> what is X???
    8·1 answer
  • Which of the following describes an example of independent events? A. generating a random number between 1 and 25, and then gene
    7·1 answer
  • What is the area of triangle FGH? Round your answer to the nearest tenth of a square centimeter.
    8·1 answer
  • What is the slope for this graph?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!