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klemol [59]
3 years ago
11

Please help and first right answer will be marked branliest

Mathematics
1 answer:
lakkis [162]3 years ago
5 0

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

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d1i1m1o1n [39]

Answer:

The circle graph does not represent a function because it doesn't pass the vertical line test.

Step-by-step explanation:

3 0
3 years ago
Solve this equation: x-3\5=1\30
Setler79 [48]
Take the -3/5 and add it to 1/30 which would equal 19/30, so x= 19/30
5 0
3 years ago
Of the 240 available seats for a concert, 63 seats were reserved. What fraction of seats was reserved? Write your answer in simp
Olin [163]
63/240 seats or 21/80
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6 0
3 years ago
There are 200 balls of the same size inside a dark room. There are 100 white balls, 55 red balls, and 45 black balls. If one stu
Komok [63]

Answer:

Probability of picking Red ball is 27.5%

Step-by-step explanation:

Given:

Total Number of balls = 200

Number of White balls = 100

Number of Red balls = 55

Number of Black balls = 45

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Solution:

Now we know that;

Probability is equal to number of Possible Outcomes divide by total number of Outcomes multiplied by 100.

framing in equation form we get;

P(Red) = \frac{\textrm{Number of Red balls}}{\textrm{Total Number of balls}} \times 100

P(Red) = \frac{55}{200}\times100

P(Red) = 27.5\%

Hence Probability of picking Red ball is 27.5%.

6 0
3 years ago
150 divided by what gives you 16?
sukhopar [10]

Answer:

9.375

Step-by-step explanation:

150 divided by 9.375 gives you 16

4 0
2 years ago
Read 2 more answers
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