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zubka84 [21]
3 years ago
10

What does two-thirds subtract five-twelves equal

Mathematics
2 answers:
Sever21 [200]3 years ago
6 0
The answer would be three-twelves. Because if you multiply the two denominators you get 36 , so then you do 2x12 and 5x3 , and then  you get 24 and 15 so then you subtract 24-15=9 , so then you  get 9 / 36 , and if you simplify it you get three twelves. There you go.
andreev551 [17]3 years ago
4 0
It's 3/12 or 1/4 we did that in class today too
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Solve the equation:<br> [3 2<br> 5 5]<br><br> [x1<br> x2]+<br> [1<br> 2]=<br> [2<br> -3]
dsp73

9514 1404 393

Answer:

  (x1, x2) = (3, -4)

Step-by-step explanation:

As with any 2-step linear equation, subtract the constant, then multiply by the inverse of the coefficient of the variable.

  \left[\begin{array}{cc}3&2\\5&5\end{array}\right]\left[\begin{array}{c}x\\y\end{array}\right]+\left[\begin{array}{c}1\\2\end{array}\right]=\left[\begin{array}{c}2\\-3\end{array}\right]\\\\\left[\begin{array}{cc}3&2\\5&5\end{array}\right]\left[\begin{array}{c}x\\y\end{array}\right]=\left[\begin{array}{c}1\\-5\end{array}\right]\\\\\left[\begin{array}{c}x\\y\end{array}\right]=\dfrac{1}{5}\left[\begin{array}{cc}5&-2\\-5&3\end{array}\right]\left[\begin{array}{c}1\\-5\end{array}\right]

Performing the multiplication of the matrix by the vector gives the solution.

  x = ((5)(1) +(-2)(-5))/5 = 15/5 = 3

  y = ((-5)(1) +(3)(-5))/5 = -20/5 = -4

Using your variables, x1, x2, the solution is ...

  (x1, x2) = (3, -4)

7 0
3 years ago
ALL OF THEM FOR BRAINLIEST
Pepsi [2]

Answer:

1. 8/9

2. 8575

3. 1/54

4. -225

Goodluck:)

8 0
2 years ago
Factor 3x^3 - 15x^2 + 18x.
Usimov [2.4K]

Step-by-step explanation:

3 x^3-15x^2+18x 3(x^3-5x^2+6x)

8 0
2 years ago
(Pls help me ASAP i will give brainliest!! Also, pls write at least 3 sentences to explain your reasoning :) )
mafiozo [28]

Answer:

the answer is 14,880 and its bigger :D 14880>12400

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Solve the system of equations Algebraically.
grandymaker [24]
Since y=x+3 (given)
Put value of y in equation x+y=(-3)
x+x+3=(-3)
2x=(-6)
x=(-3)
Put x=(-3) in x+y=(-3)
(-3)+y=(-3)
y=0
So, x=(-3)
y=0
4 0
3 years ago
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