3 years ago

Helppppppppppppppppppppppppppppppppppppppp

Mathematics

1 answer:

atroni [7]3 years ago

6 0

Answer:

Step-by-step explanation:

2 of the three lines of the triangles are marked as equal. One of the pairs so marked is AD and DC. They are equal. So Both C and D cannot be the answer.

Since angle ADB is greater than angle CDB that means that the side opposite angle ADB is greater than the side oppose CDB.

Therefore AB is greater than CB and the answer is A.

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What is the solution set of x^2+y^2=26 and x-y=6

Strike441 [17]

$x^{2} + y^{2} =26 x-y=6 x=y+6
 Replacing in equation; (y+6[tex] )^{2}$ + $y^{2}$ =26
$y^{2} +12x+36+ y^{2} =36$
= $2y^{2} +12x+36-26=0$
= $2y^{2} +12x+10=0$
Product = 12
Sum= 10
factoring;
2 $y^{2}$ +2y+10y+10=0
2y(y+1)+10(y+1)=0
(2y+10)(y+1)=0
y=-1 or 2y=-10
y=-5
x=y+6
When y =-1
x=-1+6
x=5
when y =-5
x=-5+6
x=+1

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4 years ago

Read 2 more answers

Subtract 5x - 2 from -3x +4

Solnce55 [7]

Answer:

8x+2

Step-by-step explanation:

Or -8x+2 but i think its 8x+2

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3 years ago

On an architects plan for a house , the scale reads 1/2 in = 5ft how long is the actual length of a room that's 2in. Long on the