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Paraphin [41]
3 years ago
13

Graph each system and determine the number of solutions that it has. If there is no solution, type NS. If it has a solution, sta

te it. When entering solutions, enter them as a coordinate pair. Do not include spaces in answers. 2x−y=1 ,y=−3
Number of Solutions: Answer Solution
Solution: Answer
Mathematics
1 answer:
aniked [119]3 years ago
7 0

Answer:

-1

Step-by-step explanation:

All you have to do is fill in -3 in for y and you will find your x.

I got; -1 Because

2x-(-3)=1

2x+3=1

   -3   -3

2x/2=-2/2

x=-1

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If the hypotenuse is c=a√2, then 6=a√2. In inches, what is the value of a?
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The value of a is 3√2 inches if it is given that the hypotenuse is c = a√2 and 6 = a√2. This can be obtained by using Pythagoras' theorem.

<h3>Calculate the value of a:</h3>

This question can be solved using Pythagoras' theorem,

If in a right angled triangle, hypotenuse is the longest side of the triangle and always opposite to the angle 90°, height and base are the two shorter sides which are adjacent to the angle 90°.

If hypotenuse = c, height = a and base = b then,

⇒ hypotenuse² = height² + base²

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Here in the question it is given that,

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By using the Pythagoras' theorem we can write that,

⇒ hypotenuse² = height² + base²

⇒  6² =  a² + a²

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By dividing both sides of the equation by 2,

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⇒  a² = 18

By taking square on both side of the equation,

⇒ a = 3√2 inches

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Learn more about Pythagoras' theorem here:

brainly.com/question/9005379

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