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Ede4ka [16]
3 years ago
7

)If there are 6 builders, it takes 80 days to complete the house. How many builders must be employed to build the house in just

16 days?​
Mathematics
1 answer:
LiRa [457]3 years ago
5 0

Answer:

64 builders must be employed to build a house in 16 days

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Paladinen [302]
Draw a van diagram then in the middle write what is the same about them. Then state why and how these are the same
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3 years ago
What shape has 6 square faces​
diamong [38]

Answer: A Hexagon

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The pH of solution A is 2.4​, while the pH of solution B is 9.4.
pishuonlain [190]

Answer:

The answer to your question is below

Step-by-step explanation:

pH definition

                         pH = - log [H⁺]

a) For pH = 2.4, solution A

                       2.4 = -log[H⁺]

                      [H⁺] = antilog⁻².⁴

                      [H⁺] = 0.00398

  For pH = 9.4, solution B

                       [H⁺] = antilog⁻⁹.⁴

                       [H⁺] = 3.98 x 10⁻¹⁰

b) Divide hydrogen-ion concentration of solution A by hydrogen-ion concentration of solution B.

                             0.00398 / 3.98 x 10⁻¹⁰

                             10000000 times

c) By 7, because 7 is the number of zeros

3 0
3 years ago
A strip of wood 78 inches long is to be cut into pieces 3 3/4 inches long. How many pieces can be cut?
Ray Of Light [21]
It is 20 because if u divide 78 by 3.75 ( 3 3/4 ) than equals 20.8
8 0
3 years ago
You gave your little sister a good push on a swing and it made an arc of 12 ft. On the third swing it made an arc of 8.67 ft. Ho
jonny [76]
10.2 ft Ans.

We solve this using geometric series.

A1 = 12 ft
A2 = ?
A3 = 8.67ft
Now, for geomteric progression,

\frac{A1}{A2} =  \frac{A2}{A3} 




\frac{12}{A2} = \frac{A2}{8.67}

A2 * A2 = (A2)^{2}  =  \sqrt{12 * 8.67 } 
 
A2 = 10.2 ft

6 0
3 years ago
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