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bixtya [17]
3 years ago
6

What is 3(2x+1)+2(x+3) Help please x

Mathematics
2 answers:
katrin [286]3 years ago
8 0

Answer:

8x + 9

Step-by-step explanation:

Treat the question as 2 separate brackets

First expand 3(2x + 1) :

6x + 3

Then expand 2(x + 3) :

2x + 6

Now add the two answers together and simplify :

= 6x + 3 + 2x + 6

= 8x + 9

hope this helps :)

Klio2033 [76]3 years ago
6 0
3(2x+1)+2(x+3)

Distribute by 3 through parentheses
Distribute by 2 through parentheses

6x+3+2x+6

Collect like terms:6x+2x=8x , 3+6=9
The answer is 8x+9
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The time taken by the boat to travel 32 miles downstream is 2.1 hours and for upstream 3.56 hours.

<h3>What is speed?</h3>

Speed is defined as the ratio of the time distance traveled by the body to the time taken by the body to cover the distance.

Given that:-

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The time taken by the boat upstream will be calculated as:-

( B + W ) Td = D

( 12 + 3 ) Td = 32

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Td = 32 / 15 = 2.1 hours

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2 years ago
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alexandr1967 [171]

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