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garik1379 [7]
2 years ago
15

Our math team had m students last year, but this year it has already n students! By what percent did the number of students grow

? need percentage only 24 points
Mathematics
1 answer:
Musya8 [376]2 years ago
5 0

Answer:

Since is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. Then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

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Jenna dances for 3 hours on sunday, 2 hours on Monday and Tuesday, 1 hour on THursday,1.5 hours oon friday, and 2 hours on Satur
Delicious77 [7]

Answer: The average number of hours she danced per day is 1.9 hours (rounded to the nearest tenth)

Step-by-step explanation: We start by calculating how many hours she danced all together which can be derived as follows;

Summation = 3 +2 +2 + 1 + 1.5 + 2 = 11.5

The number of days she danced which is the observed data is 6 days (she did  not dance at all on Wednesday).

The average (or mean) hours she danced each day can be calculated as

Average = ∑x ÷ x

Where ∑x is the summation of all data and x is number of observed data

Average = (3+2+2+1+1.5+2) ÷ 6

Average = 11.5 ÷ 6

Average = 1.9166

Approximately, average hours danced is 1.9 hours (to the nearest tenth)

8 0
1 year ago
Sales tax on an item is directly proportional to the cost of the item purchased. If the tax on a $600 item is $42, what is the s
Dafna11 [192]
Answer: $65.10

Step-by-step work:

1.Set the ratio
\frac{600}{42}  =  \frac{930}{x}
2.Cross-multiply
600x = 930(42)
600x = 39060
3.Divide to single out x
600x \div 600 = 39060 \div 600
x = 65.10


4 0
2 years ago
AX and EX are secant segments that intersect at point X. What is the length of DE?
vazorg [7]

Answer:

we kind of need to see the diagram

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Kristina's work is 2.625 miles from her house. She bikes to and from work every day, 5 days a week. How many miles does she bike
taurus [48]

She bikes 761.25 miles in all to and from her job in 29 weeks.

Step-by-step explanation:

Distance from her house = 2.625 miles

As this is the distance of one side, she covers same distance for coming back.

Total distance for one day = 2.625 + 2.625 = 5.25 miles

She goes to work for 5 days per week.

29 weeks = 29*5 = 145\ days

Total distance covered in 29 weeks;

Total distance = Distance for one day * Days in 29 weeks

Total\ distance=5.25*145=761.25\ miles

She bikes 761.25 miles in all to and from her job in 29 weeks.

Keywords: multiplication, distance

Learn more about multiplication at:

  • brainly.com/question/1087090
  • brainly.com/question/1096947

#LearnwithBrainly

6 0
1 year ago
Julia is offered a job selling advertising for two different companies. Company A offers a base salary of $30,000 per year plus
patriot [66]
A=30000+0.03S and B=25000+0.05S.
When A=B, 5000=0.02S, so S=$250000 when the earnings are the same.
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So answer option B. (When S=0, clearly A is better than B. Put S=$300000, A pays $39000 and B pays $40000).
8 0
2 years ago
Read 2 more answers
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