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Leona [35]
3 years ago
11

3 1/2 + 1 1/3 + 2 1/4

Mathematics
1 answer:
Alina [70]3 years ago
6 0
⭐️- The answer above is incorrect:

1. 3 1/2 + 1 1/3 + 2 1/4
2. 14 5/6 + 2 1/4
3. 17 1/12
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Help!!!!! Not the top one by the way..!
OverLord2011 [107]

Answer:

\large\boxed{x=-3\ and\ y=-11\to(-3,\ -11)}

Step-by-step explanation:

\underline{+\left\{\begin{array}{ccc}-6x+y=7\\3x-y=2\end{array}\right}\qquad\text{add both sides of the equations}\\\\.\qquad-3x=9\qquad\text{divide both sides by (-3)}\\.\qquad\boxed{x=-3}\\\\\text{Put the value of x to the first equation:}\\\\-6(-3)+y=7\\18+y=7\qquad\text{subtract 18 from both sides}\\\boxed{y=-11}

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3 years ago
What is the common ratio in this geometric series?
Lerok [7]
For a geometric sequence or geometric series, the common ratio is the ratio of a term to the previous term. This ratio is usually indicated by the variable r. Example: The geometric series 3, 6, 12, 24, 48, . . . has common ratio r = 2.
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3 years ago
What is the value of f^-1(-3)?​
poizon [28]

Flip the curve over <em>y</em><em> </em><em>=</em><em> </em><em>x</em><em> </em>then observe what is y when x = -3. You will find that f^{-1}(x)=1.5.

Hope this helps.

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3 years ago
Find the area of the polygon.<br> I WILL MARK BRANIEST PLS ANSWER
Vika [28.1K]

Answer:

15cm^2

Step-by-step explanation:

The given polygon is a parallelogram,

Area of a parallelogram = Base * Height

                                       = 5cm * 3cm

                                       = 15cm^2

Hope it helped :)

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