Answer:
https://www.pmschools.org/site/handlers/filedownload.ashx?moduleinstanceid=701&dataid=3612&FileName=2015%20triangle%20proofs%20answers.pdf
Step-by-step explanation:
Add them to eliminate x terms
x+3y=-7
<u>-x-7y=19 +</u>
0x-4y=12
-4y=12
divide by -4
y=-3
sub back
x+3y=-7
x+3(-3)=-7
x-9=-7
x=2
(x,y)
(2,-3)
Answer:
3 feet
Step-by-step explanation:
Answer:
when this quadratic is equal to 0
3(3x^2+13x+14)=0
3(3x+7)(x+2)=0
3 is not equal to 0
therefore (3x+7) or(x+2)=0
<span>All right triangles with the same acute angle θ are SIMILAR</span>