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Sophie [7]
3 years ago
14

HELPPP!!!

Mathematics
1 answer:
lozanna [386]3 years ago
4 0

25.5

Step-by-step explanation:

The way to do this is:

80 * 3.14 equals to roughly 25.5

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Please help and first right answer will be marked branliest
lakkis [162]

Answer:

a) 320 students

b) 25 students

Step-by-step explanation:

Number of 18-years old in the survey:

(We add all  frequency points for each line)

0 + 30 + 20 + 60 + 70 + 40 + 60 + 40 + 0 = 320 students

Number of 18 year old spending between 25 and 35 minutes: 40 + 65 = 105

Number of 12 year old spending between 25 and 35 minutes: 30 + 50 = 80

105 - 80 = 25 students

5 0
3 years ago
HIGH POINT REWARD
Yuki888 [10]
Total number of seniors = 55 + 70 = 125
Number of seniors who plan to go to college = 55

Percentage of seniors who plan to go to college = 55/125 x 100 = 44%

Answer: 44%
3 0
3 years ago
Solve the equation:<br><br> 3t²-3t+1=0
podryga [215]

Answer:

There are no solutions

Step-by-step explanation:

3 0
3 years ago
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I really need help quick!!:) please!! I will give brainliest to first right answer!!!
kykrilka [37]

Answer:

SA = <em>41.</em>

Step-by-step explanation:

Add up everything and you get <em>41 </em>as the SA.

8 0
3 years ago
Carl earns $ 3.25 per hour walking his neighbor's dog. He walks them 1/3 of an hour in the norning and 1/2 of an hour in the aft
alekssr [168]
1/3 x 60 = 20 mins
Carl walks the dog for 20 mins in the morning.

1/2 x 60 = 30 mins 
Carl walks the dog for 30 mins in the afternoon.

20 + 30 = 50 mins
Carl walks the dog for 50 mins a day.

50 x 7 = 350 mins
Carl walks the dog for 350 mins a week.

Answer: 350 mins.
6 0
3 years ago
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