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mafiozo [28]
3 years ago
8

3x – 7y=9; x= -1,0, 1 Solve the equation for y.

Mathematics
1 answer:
kirill115 [55]3 years ago
5 0

Answer:

Answers in the pic

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask =)

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9t+5=7-2t SLOVE THE EQUATION AND CHECK THE SOULTION ​
Xelga [282]

Answer:

t=1/6 or 0.166

Step-by-step explanation:

add like terms: 12t=2

divide by 12: t=1/6

simply to decimal: 0.166

7 0
3 years ago
Read 2 more answers
A family prepares an emergency kit for their home. The kit contains 63 gallons of drinking water. The​ family's daily drinking w
mr_godi [17]

Answer:

12 days

Step-by-step explanation:

Total gallons of the family's drinking water needs = gallons consumed by children + gallons consumed by adults

3\frac{1}{2} + 1\frac{3}{4} =

Converting to decimals

3.5 + 1.75 = 5.25 = 5\frac{1}{4}

If there are 63 gallons, the water supply would last for :

63 / 5.25 =12 days

6 0
3 years ago
I'm a bit confused with simplifying a squared fraction. Can you explain to me how I do it?
Margaret [11]

Answer:

\frac{\sqrt{6} }{3}

Step-by-step explanation:

\sqrt{\frac{2}{3} }

\frac{\sqrt{2} }{\sqrt{3} }

Multiply by \frac{\sqrt{3} }{\sqrt{3} } to simplify

\frac{\sqrt{2} }{\sqrt{3} }*\frac{\sqrt{3} }{\sqrt{3} }

\sqrt{2} *\sqrt{3} =\sqrt{6}

\sqrt{3} *\sqrt{3} =3

Therefore, the final answer would be:

\frac{\sqrt{6} }{3}

7 0
4 years ago
An item that has been marked up sells for a profit. If an item sells that has been marked down, can it still produce a profit? E
lana66690 [7]

Yes, it can. On most things (especially clothes and furniture) they will be already marked up 100% before the mark down. For example; even if they have a, let's say, 40% off sale on the shirt, they will still make a 10% profit off the shirt. So pretty much in most cases, there will still be a profit out of the merchandise.

This is for the Journal Activity on e2020. The words required to pass the written response are as follows: Yes, profit, less, more, greater, much.

Use any 2 of those words in your response and you will pass it.

Have a good day everyone! :)

6 0
4 years ago
Help fast it’s for a test I do t wanna fail!!
sdas [7]

Answer:

it is decreasing by 1/2 half every number to get the next answer is 6

Step-by-step explanation:

4 0
3 years ago
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