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saul85 [17]
2 years ago
13

When a teacher divided her students into groups of four, she had three students remaining. when she divided them into groups of

five, she had four students remaining. there were fewer than 40 students in the class. how many students could be in the class?
Mathematics
1 answer:
AfilCa [17]2 years ago
5 0
39 students....39/4 = 9 remainder 3
                       39/5 = 7 remainder 4

ur answer is 39
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Yan has already finished 3/5 of the 45 math problems he was assigned today. Each math problem took him 1 4/5 of a minute to comp
kobusy [5.1K]

Answer:

He will finish the rest of the problems in 32.4 minutes.

Step-by-step explanation:

Since we are given that Yan has completed 3/5 of 45 problems i.e.

\frac{3}{5}*45

27

Thus he has completed 27 problems

Remaining no. of problems are 45-27 = 18

Since he complete each problem in minutes = 1\frac{4}{5} =\frac{9}{5} =1.8

So, he completes 18 problems in minutes = 18 *1.8 = 32.4 minutes

Hence , He will finish the rest of the problems in 32.4 minutes.


3 0
2 years ago
For what value of p will the pair of linear equations have infinitely many solutions (p-3)x + 3y = p , px+ py = 12
sleet_krkn [62]

Answer: p = 6


Step-by-step explanation:

HI !


 px + 3y - ( p-3)=0


a₁ = p , b₁ = 3 , c₁ = - (p-3)


=====================


12x + py - p=0


a₂ = 12  , b₂ = p , c₂ = -p


since , the equations have infinite solutions , 


a₁/a₂ = b₁/b₂ = c₁/c₂


p/12 = 3/p =  p-3/p



--------------------------------------


p/12 = 3/p


cross multiply ,


p² = 36


p = √36

 p = 6


for the value of p = 6 , the equations will have infinitely many solutions





5 0
3 years ago
How would i plot this on a graph??
professor190 [17]

Step-by-step explanation:

This is in the form of

h(x) = y

in this case, x is 1 and y is 7. So ourbpoint would be (1,7.)

5 0
2 years ago
A documentary is a film that
DanielleElmas [232]

Answer:

1. the answer is nonfictional story about a person, topic, or event

Step-by-step explanation:

hope this helps

3 0
2 years ago
Find x. problem is in picture
Masja [62]

Answer:

x=21

Step-by-step explanation:

We know that C is a right angle, which means that x + 3x+6 = 90

4x+6=90\\4x=84\\x=21

Have a nice day. hope I helped please rate brainliest!

3 0
2 years ago
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