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
Alecsey [184]
3 years ago
13

30men can finish 1/7of a work in 2days.18men will do othe remaining work in ?

Mathematics
1 answer:
Dovator [93]3 years ago
7 0
7/7-1/7=6/7 is the rest of work
1/7 work takes 2days
6*1/7=6/7 work takes 6*2days=12days
30 men takes 12 days to finish the rest of work (6/7)
18 men takes 18*12/30= 7.2days
You might be interested in
Factoriza el siguiente trinomio 6x^2 – 26x – 200
Virty [35]

Answer:

2 (x + 4)(3x - 25)

Step-by-step explanation:

6 {x}^{2}  - 26x - 200

3 {x}^{2}  - 13x - 100

2 (x + 4)(3x - 25)

4 0
3 years ago
Please helppp asap!!!!
tatiyna

Answer:

infinitely many solutions

Step-by-step explanation:

5 0
3 years ago
Find the difference of(ab+8a+1)-(-6ab+4)
vagabundo [1.1K]
Hey there!

When finding the difference of expressions like these, there's a few things you should keep in mind. 

1. When finding the difference of two polynomials, multiply the polynomial that implied to be "negative" by –1 to expand the problem and make it easier to solve. 

2. You combine terms based on their unknown terms, like x, y, x², ab, etc. You cannot combine the terms x and x², but you can combine the terms 6b and 8b by adding them. 

3. You can rearrange your terms however you see fit. If a polynomial is implied as "positive", you can multiply that entire polynomial by +1 to get rid of the parentheses. 

With all that in mind, you can go ahead and solve for your difference, like so:

(ab+8a+1)-(-6ab+4)

(ab+8a+1) (-1(-6ab+4))

(ab+8a+1) + (6ab-4)

ab+6ab+8a+1-4

7ab+8a-3

7ab+8a-3 will be your difference. 

Hope this helped you out! :-)
8 0
3 years ago
An equation that models the sequence 400, 200, 100, 50, ...
Serga [27]
For this, let's have:
n represent each number, the number after it is its place in sequence
/ means divide

n1 /2 = n2, etc.

3 0
3 years ago
What is the contrapositive of the conditional statement? If two variables are directly proportional, then their graph is a linea
Triss [41]

Answer:

D. "If the graph of two variables is not a linear function, then the two variables are not directly proportional"

Step-by-step explanation:

The contrapositive of a statement is basically you changing the conditional part of the statement with its result and then finding the negative of both. This is called Contraposition.

So, for the statement given:

"If two variables are directly proportional, then their graph is a linear function."

The contrapositive will be:

"If the graph of two variables is not a linear function, then the two variables are not directly proportional"

7 0
3 years ago
Other questions:
  • Write the slope-intercept form of the equation through (4, 2) perpendicular to LaTeX: y=4x-4
    14·1 answer
  • What is the value of the 11th term in the following geometric sequence? -5, -10, -20, -40
    11·2 answers
  • Which shape is both a rectangle and a square?<br> please help i’ll rate you brainliest
    5·2 answers
  • Twenty-six is what percent of 40?
    15·1 answer
  • Which set of ordered pairs represents y as a function of x?
    12·1 answer
  • 5. Determine the horizontal distance when the vertical distance is 2m. You must
    10·1 answer
  • Peter is twice the age of Sara. If their total age is 27 years. how old is Sara?
    6·2 answers
  • Which of the following statements are correct?<br> Please help
    10·1 answer
  • HELPPPPPP PLLSLLSLSLLSSS!!!
    9·1 answer
  • Imagine you asked students to draw an area model for the expression 5+4x2.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!