A man can do work in 12 days how much work can be done in 1 days

1 answer:

3 0

so, the 12 men can complete 1 work in 12 days which is equal to 6 men can complete 12work in X days. ⇒x=726=12 days. So the number of extra days which is needed to complete the work = 18 – 12 = 6 days.

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Heyy can you please help me posted picture of question

vichka [17]

We can use quadratic formula to determine the roots of the given quadratic equation.

The quadratic formula is:

$x= \frac{-b+- \sqrt{ b^{2} -4ac} }{2a}$

b = coefficient of x term = 4
a = coefficient of squared term = 1
c = constant term = 7

Using the values, we get:

$x= \frac{-4+- \sqrt{16-4(1)(7)} }{2(1)} \\ \\ 
x= \frac{-4+- \sqrt{-12} }{2} \\ \\ 
x= \frac{-4+-2 \sqrt{-3} }{2} \\ \\ 
x= -2+- \sqrt{-3}$

So, the correct answer to this question is option A

7 0

3 years ago

Yeah. I need help with this

kiruha [24]

Answer:

Step-by-step explanation:

well if you take 35x, which is 35 times whatever, + 70, you get y. so the first one is 35(1) + 70 = 105.

so i’ll go in order

35 x 1 + 70 = 105

35 x 2 + 70 = 140

35 x 3 + 70 = 175

35 x 4 + 70 = 210.

just multiply then add 70

hope this helped

7 0

2 years ago

Read 2 more answers

You are driving to visit a friend in another state who lives 440 miles away. You are driving 55 miles per hour and have already

Veseljchak [2.6K]

440 miles - 275 miles = 165 miles

165 + 275 = 440

7 0

3 years ago

Read 2 more answers

Please help thank you

Dmitry_Shevchenko [17]

Answer:

Step-by-step explanation:

3 0

2 years ago

HURRY INVERSE OF A FUCTION

Anon25 [30]

Here is how we get the answer....
First, replace f(x) with y . ...
Replace every x with a y and replace every y with an x .
Solve the equation from Step 2 for y . ...
Replace y with f−1(x) f − 1 ( x ) . ...
Verify your work by checking that (f∘f−1)(x)=x ( f ∘ f − 1 ) ( x ) = x and (f−1∘f)(x)=x ( f − 1 ∘ f ) ( x ) = x are both true.

6 0

3 years ago

A man can do work in 12 days how much work can be done in 1 days​

A man can do work in 12 days how much work can be done in 1 days