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Oksanka [162]
3 years ago
5

Pls help11111!!!!!!! !!

Mathematics
2 answers:
Blababa [14]3 years ago
4 0

Answer:

B. 3x and 8x

Step-by-step explanation:

if you look closely at this expression you'll notice that each polynomial is almost all different except for 3x and 8x because they share the same unknown variable. you couldn't choose 8 because that is just a whole number and all the other numbers contain a variable. and you couldn't choose 3y because y only affects the 3 in this expression whereas x affects 3x and 8x therefore the right answer is 3x and 8x which are the like terms.

Svet_ta [14]3 years ago
4 0
B. They both have the same variable.
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8 0
4 years ago
Please help explanation if possible
Eva8 [605]

Answer:

612 adults

361 students

Step-by-step explanation:

To solve this question, set two equations:

Let x be number of adults and y be number of students.

As there are in total 937 people, the equation would be the sum of both adults and children:

x+y=937

x=937-y  ...... ( 1 )

As the total sale amount is $1109, the equation would be to add up the ticket fee:

2x+0.75y=1,109  ...... ( 2 )

Put ( 1 ) into ( 2 ):

2(937-y)+0.75y=1,109

1874-2y+0.75y=1,109

-1.25y=-765

y=763/1.25

y=612

Put y into ( 1 ):

x=973-612

x=361

Therefore there are 612 adults and 361 students.

5 0
3 years ago
Find the value of x ?!??
goldfiish [28.3K]

Answer:

x=4

Step-by-step explanation:

Pentagon's sum of interior angle is 540°

let's add all the given degrees

100+20x+16x+16+140+160-5x=540

Collect like terms

100+16+140+160+20x+16x-5x=540

416+31x=540

31x=540-416

31x=124

x=124/31

x=4```

5 0
3 years ago
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