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anyanavicka [17]
3 years ago
9

What is the answer 3x²-y = 5y-6x = 4

Mathematics
1 answer:
Nat2105 [25]3 years ago
8 0

9x-y=5y-6x=4

   +y +y

9x = 6y-6x=4

+6x      +6x

15x=6y=4

Mmmmmmm...is this  Equation right?? Like how’d there 2 equal signs??

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8 0
3 years ago
If two lines have different slopes, they cannot have an infinite number of solutions.
Anuta_ua [19.1K]
Never due to if they have different slopes they can only have 1 solution.
3 0
3 years ago
In the year 1999, the surface elevation of Lake Powell was 3893 feet above sea level. In the year 2005, the surface elevation of
Sati [7]

Answer:

Rate of Change = -77.9 feet/year

My interpretation: "Is Bad."

Step-by-step explanation:

The rate of change is the number of feet that Lake Powell dropped, divided by the number of years the drop took place.  We want a value with a unit of feet/year.

<u>Year</u>    <u>Feet</u>

1999     3893

2005    3425.6  

<u>Change</u>

Year = (2005 - 1999)  or 6 years

Feet = (3425.6 - 3893) or -467.4 feet

Rate of Change = (-467.4 feet)/(6 years)

Rate of Change = -77.9 feet/year

=======================

FYI:  Lake Powell is 22.39 feet lower today (June 23, 2022) than it was 1 year ago.

8 0
2 years ago
Is a unit fraction always in simplest form?
Alekssandra [29.7K]
No not always sometimes you have to reduce it.
3 0
3 years ago
Read 2 more answers
Solve the equation<br> 2(x+4)=-5x+1
ivanzaharov [21]
Expand

add 5x to both sides

simplify 2x + 8 + 5x to 7x + 8 

subtract 8 from both sides

simplify 1 - 8 to -7

divide both sides by 7

Answer: x = -1.
5 0
3 years ago
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