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Cloud [144]
3 years ago
14

What is the distance between (7,-2) and (3,1)

Mathematics
1 answer:
ale4655 [162]3 years ago
4 0

Answer:

Distance = 5

Step-by-step explanation:

x2 = 3

y2 = 1

x1 = 7

y1 = -2

=> d = Square root of (3 - 7)^2 + (1 + 2)^2

=> d = Square root of (-4)^2 + (3)^2

=> d = Square root of 16 + 9

= d = Square root of 25

d = 5

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What is the value of x in the equation Negative StartFraction 2 over 9 EndFraction x = two-fifths? Negative 1 and four-fifths Ne
pogonyaev

Answer:

Option Negative 1 and four-fifths is correct

That is x=-1\frac{1}{5}

Step-by-step explanation:

Given problem is Negative start fraction 2 over 9 end fraction x=two-fifths

Given equation  can be written as -\frac{2}{9}x=\frac{2}{5}

To find the value of x in the given equation :

-\frac{2}{9}x=\frac{2}{5}

Mutliply by \frac{9}{2} on both sides we have

\frac{2x}{9}\times(\frac{9}{2})=\frac{2}{5}\times(\frac{9}{2})

-x=\frac{9}{5}

x=\frac{-9}{5}

x=-1\frac{1}{5}

therefore the value of x is -1\frac{1}{5}

Option Negative 1 and four-fifths is correct

That is x=-1\frac{1}{5}

3 0
3 years ago
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Math!! <<<<<< please help
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Answer:

a₆ = 972

Step-by-step explanation:

Is it correct?

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Which set of angles can be used to construct a triangle?
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Step-by-step explanation:

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f(-2) = -7 is your answer

hope this helps


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3 years ago
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