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elena55 [62]
3 years ago
12

Which trinomial is a perfect-square trinomial?

Mathematics
1 answer:
Dovator [93]3 years ago
4 0

Answer:

The answer is A. 9y^2-6y+4

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3 L of water of density 1 gram per centimetre cubed is added to 12litres of alcohol of density of 0.8 gram per centimetre cubed,
Natasha2012 [34]

Answer:

84%

Step-by-step explanation:

each liter is 1000 cubic centimetre, so you have a total density of 3000, but instead think of 3 liters being 100% density and think of alcohol as 80% density, there are 4 times at much 80% than 100% liquid.

with 3 liters of alcohol, 3 liters of water is now 90% density or 0.9 gram per centimetre. add another 3 liters and it is 2/3, so the grams per centimetre would be 8.66667 or 8 2/3's

if you add another 3 liters, THEN it is 85%

add 12 liters in total and the final answer 84%

4 0
2 years ago
1) A boat traveled 448 miles downstream and back. The trip downstream took 14 hours. The trip
Serhud [2]

Answer:B

I think we are in the same class lol

Step-by-step explanation:448 divided by 14= 32

448 divided by 16= 28

B=speed of boat in water

Y= Speed of current

B+y=32

B-y=28

32 + 28 =60

60 divided by 2 = 30

32 -30 =2

B=30

Y=2

Add my discord if you need more help Snapple#0141

6 0
2 years ago
A wire is first bent into the shape of a rectangle with width 5in and length 13in. Then the wire is unbent and reshaped into a t
MAXImum [283]
Total length of the wire = 2*13 + 2*5 = 26 + 10 = 36 in.

so length of each side of the triangle would be 36/3  = 12 ins.
8 0
3 years ago
The school is having a dance as a fundraiser. Tickets cost $. Each
Art [367]

Answer:

How are we supposed to know .???

we can only see half of the problem

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Your friend is 5 years less then half her mom's age. your friend is 15 years old. how is the mother.
Digiron [165]
The mother is 25. i think
4 0
2 years ago
Read 2 more answers
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