1. A board is 10.17 feet long. Sandy needs
1 answer:
Answer:
3.39 ft, 2
Step-by-step explanation:
Given that a board is 10.17 feet long. Sandy needs
to cut the board into 3 equal sections.
Let x be the length of each piece then we have
ft
Each section would be 3.39 feet long.
-----------------------
When each is 5.085 feet let y be the number of pieces
Then
Two sections would be needed
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Divide everything by 4 getting:
7y=3x+21
then get all of the variables on one side by subtracting 3x:
7y-3x=21
Answer:
1.5 or -5
Step-by-step explanation:
2x²+7x-15=0
Divide by 2:
x²+7x/2-15/2=0
x=-7/2/2 ± √49/4(4)+15/2
=-7/4 ± √49/16+120/16
=-7/4± √169/16=-7/4 ±13/4
=6/4 or -20/4
=1.5 or -5
Answer:
Answer is 3
Step-by-step explanation:
x/3-2x/1+3 =x-3/5
x/3-x/3 = x-3/5
0=x-3/5
0=x-3
3=x
sothat, x = 3 ans
Same girl oh my god it won’t let me ask anymore questions. Not my fault my math teacher gave me 30 questions to ask
Answer:
y=-3x+3
Step-by-step explanation:
