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julsineya [31]
3 years ago
8

I’m so confused I don’t know how to subtract fractions. What is 2+2-1 2/3

Mathematics
2 answers:
Alexxandr [17]3 years ago
7 0

Answer:

its 7/3 or you could put 2 1/3

Step-by-step explanation:

malfutka [58]3 years ago
5 0

Answer:

2 \frac{1}{3}

Step-by-step explanation:

To subtract fractions you convert the whole numbers into fractions.

2 + 2 = 4

4 - 1 \frac{2}{3}

We can convert 4 to \frac{12}{3}because 12 divided by 3 equals 4. We can convert

1 \frac{2}{3} to  \frac{5}{3}  because 5 divided by 3 equals 1 \frac{2}{3}

We can now subtract our converted fractions:

\frac{12}{3}  minus \frac{5}{3}  = \frac{7}{3}

So our answer is 7/3.

This simplifies to:

2 \frac{1}{3}

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The coordinates of the vertices of quadrilateral DEFG are D(−2, 5) , E(2, 4) , F(0, 0) , and G(−4, 1) .
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Answer: The correct option is a.Quadrilateral DEFG is a rhombus because opposite sides are parallel and all four sides have the same length.

Explanation:

It is given that  coordinates of the vertices of quadrilateral DEFG are D(−2, 5) , E(2, 4) , F(0, 0) , and G(−4, 1) .

The distance formula for two points is given below,

D=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

DE=\sqrt{(2+2)^2+(4-5)^2}=\sqrt{17}

EF=\sqrt{(0-2)^2+(0-4)^2}=\sqrt{20}

FG=\sqrt{(-4-0)^2+(1-0)^2}=\sqrt{17}

DG=\sqrt{(-4+2)^2+(1-5)^2}=\sqrt{20}

Slope formula,

m=\frac{y_2-y_1}{x_2-x_1}

Slope of DE,

m_1=\frac{4-5}{2+2}= \frac{-1}{4}

Slope of EF,

m_2=\frac{0-4}{0-2}= 2

Slope of FG,

m_3=\frac{1-0}{-4-0}= \frac{-1}{4}

Slope of DG,

m_4=\frac{1-5}{-4+2}= 2

The slope of opposite sides are equal, it means the opposite sides are parallel.

All four sides do not have the same length. It means it is not a rhombus.

From the figure it is noticed that the opposite sides are parallel.

Therefore, the correct option is a.Quadrilateral DEFG is a rhombus because opposite sides are parallel and all four sides have the same length.

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