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wlad13 [49]
3 years ago
13

Please help! Fraction Problem! :0!! will rate! 15 points!

Mathematics
1 answer:
Fantom [35]3 years ago
3 0

Combine the constant terms, separately from the rest, and then combine the "v" terms, separately from the rest:

-6/5  +  4/15 - (2/3)v + (1/3)v

The LCD of the first 2 terms is 15, so we have -18/15 + 4/15, or -14/15.

The LCD of the last 2 terms is also 15, so we have  -(10/15)v + (5/15)v, or (-5/15)v.

The final result is (1/15)(-14 - 5v), or

    14+5v

- -------------

      15

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The 3 hour Cindy will finish 4 different puzzles

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6 0
3 years ago
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3 to the 3rd power - 4 + 5 to the 2nd power​
AnnZ [28]

Answer:

48

Step-by-step explanation:

(3^3)-4+(5^2)

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6 0
3 years ago
Can i have help with these questions
adell [148]

Answer:

  (-3, 5), (-1, -1), (5, -3)

Step-by-step explanation:

Each pair of vertices can be one of the diagonals. Then the missing point will be found at the coordinates that are the sum of those, less the coordinates of the third point.

Given points are ...

  A(-2, 2), B(1, 1), C(2, -2)

For AB a diagonal, D1 is ...

  A+B-C = (-2+1-2, 2+1-(-2)) = (-3, 5)

For AC a diagonal, D2 is ...

  A+C-B = (-2+2-1, 2-2-1) = (-1, -1)

For BC a diagonal, D3 is ...

  B+C-A = (1+2-(-2), 1-2-2) = (5, -3)

_____

For a lot of parallelogram problems I find it easiest to work with the fact that the diagonals bisect each other. This means they both have the same midpoint, so for quadrilateral ABCD, we have (A+C)/2 = (B+D)/2. Multiplying this by 2 gives the equation we used above, A+C = B+D, so D=A+C-B. Remember, in ABCD, AC and BD are the diagonals.

6 0
2 years ago
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What are “like terms”? Why can we only add like terms?
SSSSS [86.1K]

Answer:

Like terms are terms whose variables are the same.

We can only add them because if they does not have the same variable you do not actually know if the variables are equivalent and you will get the wrong answer.

Step-by-step explanation:

Ex: 4z,7z,108z,45z

Ex: 4w-2h+7a-2w

You can not add 4w and 7a because you do not know what the variables equal so you do not know the true number so add or subtract by.


4 0
2 years ago
Solve algebraically for x
Anton [14]
3x + 1 = (x-1)^2
3x + 1 = x^2 - 2x + 1
0 = x^2 -5x
0 = x(x-5)
x = 0,5

Hope this helps!
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4 0
3 years ago
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