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zimovet [89]
3 years ago
13

( x + 3 )( y + 2 ) = xy - 5 ( x + 2 )( y - 3 ) = xy

Mathematics
1 answer:
Paraphin [41]3 years ago
4 0

Answer:

xy+2x+3y+6=xy-5 .............(1)

xy-3x+2y-6=xy.....,.,(2)

2x+3y=-11

-4x+2y=6

first equation multiply by 2

(2)*(2x+3y)=-11

4x+6y=-22

-4x+2y=6

8y=-16 y=(-2),,,,, x=(-2,5)

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Travis is in a hot air balloon that has just taken off and is now floating 12 meters above its launching point. Shontal is stand
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Shontal is at a distance of 13 meters from the launching point

Step-by-step explanation:

Step 1 :

Given,

Distance of Travis from the launching point  = 12 meters

Distance of Shontal from the launching point = 9 meters

Step 2 :

Let A represent the launching point

B represent the point above the launching point at which the balloon is floating.

C represent the point where Shontal stands on the ground.

The angle made by AB with BC is 90 degrees because the balloon is directly above the launching point

Step 3:

So we have a right angle triangle here, with

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BC = 9 and angle ABC = 90 degrees

We need to find out length of  AC

Using the theorem of Pythagoras,

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Step 4 :

Answer :

Shontal stands at a distance of 13 meters from the launching point

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3 years ago
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