![subject](/tpl/images/cats/mat.png)
Mathematics, 02.02.2021 18:00 Redhead667
Please somebody help me with this! Erin is trying to lift a piano to the second story of a building. How many pulleys would require the least amount of effort force from Erin.
A. 1 pulley
B. 2. pulleys
C. 3 pulleys
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:50
Do a swot analysis for the business idea you chose in question 2 above. describe at least 2 strengths, 2 weaknesses, 2 opportunities, and 2 threats for that company idea. (1-8 sentences. 4.0 points)
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:20
Which letters from the table represent like terms? a and b b and c a and d b and d
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30
Write an expression that represent sarah’s total pay last week.represent her hourly wage with w monday 5 tuesday 3 wednesday 0 noah hours wednesday 8 only with w wage did noah and sarah earn the same amount last week?
Answers: 3
You know the right answer?
Please somebody help me with this! Erin is trying to lift a piano to the second story of a building....
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 10.01.2020 13:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 10.01.2020 13:31
![question](/tpl/images/cats/en.png)
English, 10.01.2020 13:31
![question](/tpl/images/cats/fr.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 10.01.2020 13:31
![question](/tpl/images/cats/es.png)
Spanish, 10.01.2020 13:31
![question](/tpl/images/cats/mat.png)
Mathematics, 10.01.2020 13:31
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 10.01.2020 13:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/health.png)
Health, 10.01.2020 13:31
![question](/tpl/images/cats/mat.png)
Mathematics, 10.01.2020 13:31
![question](/tpl/images/cats/mat.png)
Mathematics, 10.01.2020 13:31
![question](/tpl/images/cats/mat.png)
Mathematics, 10.01.2020 13:31
![question](/tpl/images/cats/biologiya.png)
Biology, 10.01.2020 13:31
![question](/tpl/images/cats/mat.png)