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3 years ago

Which of the following pair of times has an elapsed time of 3 hours and 20 minutes between the times?

Mathematics

1 answer:

solniwko [45]3 years ago

7 0

the answer is 3:20 to 6:00 which equals 3 hours and 20 minutes

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Each week our school’s team travels to other schools for competitions. Today the five members of the gymnastics team and seven w

Aliun [14]

Answer: The answer is 9.

Step-by-step explanation: Given that five members of gymnastics team and 7 members of weight lifting team are travelling in two vans to the rival school for competition. We are to find the number of ways in which they can ride in two vans such that no van contains more than eight passengers and there is at least one member of each team in each van.

Let 'g' and 'w' denote a member of gymnastics team and weight lifting team respectively.

Then, the possibilities are

For 1 g, we can choose 3w, 4w, 5w, 6w.

For 2g, we can choose 2w, 3w, 4w, 5w, 6w.

For 3g, we can choose 1w, 2w, 3w, 4w, 5w.

For 4g, we can choose, 1w, 2w, 3w, 4w.

Therefore, there are (4 + 5 + 5 + 4) = 18 ways.

Since, here the position of the vans does not matter, so the options are double here. Hence, we must divide it by 2.

Thus, the total number of ways = 9.

4 0

3 years ago

Scale factor of 3 and 6

GenaCL600 [577]

Answer:

3:6

3x2=6

Scale factor = 2

Step-by-step explanation:

3 0

3 years ago

Kris wanted to understand whether students at her school were in favor of an extended school day. She surveyed some students and

puteri [66]

the table below:

Grade In favor Opposed Undecided Total

Grade 9 6 4 8 18

Grade 10 10 11 9 30

Grade 11 12 15 11 38

Grade 12 15 6 14 35

If the principal randomly selects a student in grade 10 from this survey,

the probability that the student is opposed to extending the school day

P ( student in grade 10 is opposed)= Number of student in opposed(grade10) / total number of students in grade 10

Number of student opposed who is in grade10 = 11

total number of students in grade 10 = 30

P( student in grade 10 is opposed)= $\frac{11}{30}$

= 0.37

the probability that the student is opposed to extending the school day= 0.37

5 0

3 years ago

PLEASE HELP THIS IS URGENT!!!<br> what is 2+2

lisov135 [29]

Answer:

Step-by-step explanation:

Hope this helps!! Have a good day!

4 0

2 years ago

Solve square root <br> (2x+3)^2=36

REY [17]

X=3/2 btw its a fraction

6 0

3 years ago

Read 2 more answers