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hoa [83]
2 years ago
10

Mrs. Peña is taking a group of 50 students on a field trip to the Georgia Aquarium. If 20 of the students are boys, what percent

of the students are boys?
Mathematics
1 answer:
sergiy2304 [10]2 years ago
5 0

Answer:

40%

Step-by-step explanation:

20/50 = 40/100 = 40%

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In a grocery store, a $12 case of soda is labeled, "Get a 20% discount." What is the discount?
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Answer:

Sale price of the case of soda  $ 9.60

Step-by-step explanation:

Sale price  = $ 12 − $ 2.40 = $ 9.60

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Solve by the matrix method , x+y/5 -1=y-x​
PIT_PIT [208]

10x - 4y = 5 (if it requires shorten)

Step-by-step explanation:

x + y/5 - 1 = y - x

<=> (5x + y - 1.5)/5 = 5(y - x)/5

<=> 5x + y - 5 = 5y - 5x

<=> 5x + 5x + y - 5y = 5

<=> 10x - 4y = 5

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
A rectangle has an area of 120 square feet and a width of 8 feet. please help
madam [21]

Answer:

Step-by-step explanation:

length = 120/8 = 15 feet

perimeter = (15 + 8) x 2 = 46 feet

5 0
3 years ago
What is an expression that equals 24 that includes an exponent
statuscvo [17]
5∧2(exponent of 2) - 1 =24
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