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mafiozo [28]
3 years ago
6

What is the value of the function y=3x – 1 when x = -1​

Mathematics
1 answer:
ikadub [295]3 years ago
6 0

Answer:

y= -4

Step-by-step explanation:

y=3x-1

y=3(-1)-1

y=-3-1

y= -4

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The length of a leg of an isosceles right triangle is 20 inches. Find the length of the hypotenuse in radical form
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Answer: H = 20\sqrt{2}

Step-by-step explanation:

To find the hypotenuse , we will use Pythagoras theorem, which states that

The square of the hypotenuse = the square of the adjacent + the square of the opposite.

Since , we are dealing with isosceles right triangle , this means that :

both the adjacent and the opposite are equal, using the formula to find the hypotenuse , let H represent the hypotenuse , then

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Take the square root of both sides

H = \sqrt{800}

\sqrt{800} can be written as \sqrt{400} x\sqrt{2}

Therefore :

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3 years ago
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If you would like to know what is the full cost if 75% is £60, you can calculate this using the following steps:

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