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aliina [53]
3 years ago
10

Y=4x 3x-y=1 I have to put this in (x,y)

Mathematics
1 answer:
kozerog [31]3 years ago
4 0

Answer:

(x,y)= (-1,-4)

Step-by-step explanation:

y=4x

put this value of y in 3x-y=1

3x-4x=1

-x=1

x= -1

y=4(-1)

y= -4

So (x,y) ordered pair is (-1,-4)

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Read 2 more answers
Abel throws a dart that hits the square shown. What is the probability that the dart does NOT hit a point in the circle?
iragen [17]

A square side is twice of the radius

sq side: 4 x 2

sq side: 8

find the area of the square.

A = b x h

A = (8) x (8)

A = 64

<em>Area of square is 64</em>

----------------------------------------------------------------------------------------------------------------

Find the area of the circle

Area of circle:

A = πr²

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A = 16π

A = 16(3.14)

A = 50.24

----------------------------------------------------------------------------------------------------------------

Divide the circle from the total

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50.24/64 = 0.785

0.785 = 78.5/100 = 78.5%

----------------------------------------------------------------------------------------------------------------

Subtract the circle's percentage from 100% (the total)

100 - 78.5 = 21.5

21.5% is your chance of not hitting a point in the circle.

-----------------------------------------------------------------------------------------------------------------

21.5%, or (B), is your answer

-----------------------------------------------------------------------------------------------------------------

hope this helps

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