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ratelena [41]
3 years ago
14

It takes 5 builders, 18 hours to build a wall.How many minutes would it take 8 builders?​

Mathematics
1 answer:
mr Goodwill [35]3 years ago
7 0
It would take 135 minutes:)
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Determine the values of x on which the function f(x)=2x^2-x-15/4x^2-12x is discontinuous and verify the type of discontinuity at
melomori [17]
<span>Determine the values of x on which the function f(x)=2x^2-x-15/4x^2-12x is discontinuous and verify the type of discontinuity at each point.

A.There is a vertical asymptote at 0 and a hole at 3.
B.There are vertical asymptotes at -5/2 & 0 and a hole at 3.
C.There is a vertical asymptote at 3 and a hole at 0.
D.There are vertical asymptotes at 0 & 3.
</span>
Result:
(-7/4)x^2-13x

The roots are:
x= -52/7
x=0

See attached pictures.

6 0
3 years ago
Read 2 more answers
(06.01)The tables below show four sets of data:
Yakvenalex [24]
For it to be non-linear, the rate of change cannot be constant.  For the first table the rate is a constant 1 and the second table has a constant rate of -1.  The 3rd and 4th tables have no constant rate and thus are non-linear.

The 4th table is increasing while the 3rd table is decreasing.  

So the 3rd table, Set C, is the only non-linear negative association between x and y. 
3 0
4 years ago
Read 2 more answers
A company models its net income, in thousands of dollars, with
pychu [463]

Answer:

-15

Step-by-step explanation:

0)(2)+(2)(0)−15

=−15

8 0
3 years ago
MATH HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Lady_Fox [76]

Answer:

The answer would be 4/5

Step-by-step explanation:

12/20 equals to 4/5


hope this helps:)


7 0
3 years ago
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A train travels 58 kilometers in 4 hours, and then 80 kilometers in 4 hours. What is its average speed?
Olegator [25]
Average speed  = 

                 (total distance covered) / (time to cover the distance).

Total distance covered = (58km + 80km) =  138 km

Time to cover the distance = (4hr + 4hr) =  8 hours

Average speed  =  138km / 8hr  =  17.25 km/hour .

(That's less than 11 mph.  You could bike there faster!)
7 0
3 years ago
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