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yKpoI14uk [10]
4 years ago
13

20.0% complete This is a Single Choice Question; skip ahead to question content A B C D E Confirm It takes about 14 person-hours

of labor to break up a driveway and clear away the rubble. It takes about 8 person-hours of labor to pour and smooth concrete for the new driveway. About how many person-hours of labor does it take to break up a driveway, clear away the rubble, pour the concrete, and smooth the concrete?
Mathematics
1 answer:
stepan [7]4 years ago
5 0

Answer:

a

Step-by-step explanation:

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the common ratio in geometric series is 0.5 and the first term is 256. what is the sum of the first 6 terms in the series?
melisa1 [442]

Answer:

501.76

Step-by-step explanation:

common ratio r = 0.5

first term a = 256

sum of G.p = Sn= a( r^n -1)/r-1

sum of the first 6 terms =

S6 = 256( 0.5^6 - 1)/ 0.5 - 1

= 256( 0.0156 - 1)/-0.5

= 256( -0.98)/-0.5

= - 250.88/-0.5

S6 = 501.76

7 0
3 years ago
Need help asap please!
erik [133]

Answer:

find total of y plug it in with the problem and you should get your answer. im working on it now.

Step-by-step explanation:

 

8 0
3 years ago
Maya is going to an amusement park. The price of admission into the park is $10, and once she is inside the park she will have t
Dvinal [7]

Answer:

15 rides= 40 and r rides= 10+2r

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
3) (Infer) What would happen if two kinds of animals living in the same habitat had the same niche?
Vedmedyk [2.9K]
1) if they had the same niche they either live in different areas of the niche due to adaptation or one of them will die due to competition with the other animal.
2) they might need to move to a different habitat due to lack of resources and the competition was better adapted to the circumstances.
hope this helps
6 0
3 years ago
Find the value of x and y in this problem.
Brut [27]

\frac{x}{y} = - \frac{3}{2}

given

\frac{x-y}{x+y} = 5 ( cross- multiply )

5(x + y) = x - y

5x + 5y = x - y ( subtract (x - y) from both sides )

4x + 6y = 0 ( subtract 6y from both sides )

4x = - 6y

\frac{x}{y} = - \frac{6}{4} = - \frac{3}{2}




8 0
3 years ago
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