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tekilochka [14]
3 years ago
7

Answer the following questions.

Mathematics
1 answer:
serg [7]3 years ago
6 0
39 is <span>312% </span>of 12.5

To find this you just divide 12.5 into 39 which gives you 3.12. To change that to a percentage you multiply by 100 which gives you 312%

7.5 is <span>102% </span>of 7.38

To find this you just divide 7.38 into 7.5 which gives you 1.0162, which I rounded to 1.02. To change that to a percentage you multiply by 100 which gives you 102%

I hope this helped! :)
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Two common names for streets are FirstFirst Street and MainMain ​Street, with 14 comma 86614,866 streets bearing one of these
oksian1 [2.3K]

Answer:  There are 7,677 streets named as " First Street" and 7, 189 streets named as  "Main Street" .

Step-by-step explanation:

Let x be the number of streets named as First Street .

y be the number of streets named as Main Street.

AS per the given information, we have the following system of equations :

x+y=14866-------------(1)\\\\x=488+y-------------(2)

Substitute the value of x from (2) in (1) , we get

488+y+y=14866\\\\ 2y =14866- 488\\\\ 2y=14378\\\\ y=7189

Put value of y in (2), we get

x=488+7189=7677

Hence , there are 7,677 streets named as " First Street" and 7, 189 streets named as  "Main Street" .

6 0
3 years ago
An assembly line with 10 tasks needs be designed. The total time for all tasks is 16 minutes. If you need to produce 30 units/ho
Sindrei [870]

Answer: 8 minimum work stations is what would be needed.

Step-by-step explanation:

The cycle time is computed as the operating time daily divided by the scheduled output.

It is important to note that the daily capacity of the operation layout is the operating time divided by the cycle time.

Therefore,

If you need to produce 30units/hour.

The average cycle time is as follow:

The average cycle time is the average time between the completions of units.

60/30= 2 average cycle time

=16/2

=8

8 work stations is the minimum number that would be needed.

It is important to know that in an assembly line balancing, the minimum number of work station is the ratio of the sum of all tasks time to the cycle time.

5 0
3 years ago
The fish population in a certain part of the ocean (in thousands of fish) as a function of the water's temperature (in degrees c
kvv77 [185]
The maximum number of fish is going to be p(9) = 200
3 0
3 years ago
Read 2 more answers
The seventh-grade class is building target areas for a PE activity. The bases for the game will be in a circular shape. The diam
lys-0071 [83]
By definition, the area of a circle is given by:
 A = \pi * r ^ 2&#10;
 Where,
 r: radius of the circle.
 Substituting the values in the given expression, we have:
 A = 3.14 * (3) ^ 2&#10;&#10; A = 28.26 feet ^ 2
 Rounding to the nearest tenth we have:
 A=28.3feet^2
 Answer:
 
Approximately needed:
 
A=28.3feet^2
4 0
3 years ago
Read 2 more answers
What type of triangle is this triangle?
Westkost [7]

Answer:

Obtuse scalene

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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