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svet-max [94.6K]
2 years ago
11

When building a house, the number of days required to build varies inversely with with the number of workers. One house was buil

t in 10 days by 40 workers. How many days would it take to build a similar house with 25 workers?
Mathematics
1 answer:
dem82 [27]2 years ago
8 0

Answer:

16 days

Step-by-step explanation:

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Evaluate and simplify the following complex fraction.:6/7 ÷ 3/11​
inna [77]

Answer:

3  7/50

Step-by-step explanation:

so you need them to become common denominators

a common multiple they both have would be is 77

6/7 becomes 66/77 and 3/11 becomes 21/77

now we divide

keep the 66/77 as is and flip 21/77 (keep, change, flip)

so now our equation looks like this: 66/77 x 77/21

and your answer is 3.14

but as a fraction it is 157/50 and to simplified it would be 3 7/50 (mixed fraction)

3 0
2 years ago
The radius of a right circular cone is increasing at a rate of 1.4 in/s while its height is decreasing at a rate of 2.8 in/s. At
zepelin [54]

Answer:

34191.7πin³/sec

Step-by-step explanation:

Volume of circular come = 1/3pi x r² x h

When we differentiate this formula we have

dv/dt = 1/3π[r²dh/dt + 2rhdr/dt]

We have the following information

r = 138

H = 143 inch

dr/dt = 1.4

dh/dt = -2.8

When we plug into the formula

1/3π[130² x -2.8 + 2x138x143x1.4]

= 34191.7πin³/sec

7 0
3 years ago
What is 10 time 100000000000
katrin2010 [14]
1,000,000,000,000 is the answer
7 0
3 years ago
What can you conclude about the classification of silicon?
Orlov [11]

Answer:

That i will be happy to know that i don't now and silicon is a element

Step-by-step explanation:

7 0
3 years ago
Eric created a rectangular patio using 1 foot square paving stones,which are sold in batches by the dozen. The patio measures 7
Nuetrik [128]
I believe it is 56 because 7•8 is 56 and 1•56 is 56
6 0
3 years ago
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