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3 years ago

How many possible solutions can a systems of two linear equation in two unknowns have

Mathematics

1 answer:

AfilCa [17]3 years ago

8 0

I believe the correct answer is 1 solution

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Which expression is equivalent to the following complex fraction? StartFraction 1 Over x EndFraction minus StartFraction 1 Over

Darina [25.2K]

Answer:

$\frac{y-x}{x+y}$

Step-by-step explanation:

We are given that fraction

$\frac{\frac{1}{x}-\frac{1}{y}}{\frac{1}{x}+\frac{1}{y}}$

We have to find the expression which is equivalent to given fraction .

$\frac{1}{x}-\frac{1}{y}=\frac{y-x}{xy}$

$\frac{1}{x}+\frac{1}{y}=\frac{x+y}{xy}$

Substitute the values then, we get

$\frac{\frac{y-x}{xy}}{\frac{y+x}{xy}}$

We know that

$\frac{\frac{a}{b}}{\frac{x}{y}}=\frac{a}{b}\times \frac{y}{x}$

Using the property then, we get

$\frac{y-x}{xy}\times \frac{xy}{x+y}$

$\frac{y-x}{x+y}$

This is required expression which is equivalent to given expression.

6 0

3 years ago

Read 2 more answers

What is X/60=700 ?<br><br> Plz help it's due tomorrow

Alisiya [41]

42000 is the answet. that is all

3 0

3 years ago

Read 2 more answers

Please help me!! I'm confused I am not sure what the answer is?

galina1969 [7]

Answer:

my best guess is 2/13 because there are 2 red kings in the deck. I got the 13 because there are 13 different suits

4 0

3 years ago

What is the coefficient of the term -21xy

Arturiano [62]

Answer:

-21

Step-by-step explanation:

In the term -21xy, -21 is the coefficient. It comes before the variables that are x and y.

4 0

3 years ago

Solve for x<br> -5x+3(x+5)=11<br> Simplify your answer as much as possible

Tcecarenko [31]

Answer: x = 7

Step-by-step explanation:

-5x + 3(x + 5) = 1

-5x + 3x + 15 = 1

-2x + 15 = 1

-2x = -14

x = $\frac{-14}{-2}$

x = 7

5 0

2 years ago