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Anni [7]
2 years ago
5

A board 30 metres long is to be divided into 2pieces so that the larger piece is 3 metres longer than twice the shorter piece. H

ow long will the pieces be?
Mathematics
2 answers:
GREYUIT [131]2 years ago
7 0
The answer is : 9 and 21
yawa3891 [41]2 years ago
6 0

Answer: 9 and 21

Step-by-step explanation:

board=30m

divide by 2 pieces

one piece, we call it a

b, the other piece is b= 2a+3

a+b=30

a+2a+3=30

3a=30-3

3a=27

a=9

b=21

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2 years ago
Kim decides to give her old toys to her younger cousins. She gives her cousin Sarah 2/3. Then, she gives her cousin Ryan 2/5 of
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Answer:

30

Step-by-step explanation:

Work backwards:

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3 years ago
Evaluate 12∣∣−x+3∣∣−5 when x = 11.
Evgen [1.6K]

Answer:

91

Step-by-step explanation:

12∣∣−x+3∣∣−5

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