for these you need to rearrange the equations and do substitutions.
#3 = if x+y=5 then you know x = 5-y
now substitute that equation for x in the 2nd one so x + 2y = 8 becomes
5-y + 2y = 8 2y - y becomes 1y which becomes y then subtract 5 from each side to get y =3
now replace y with 3 in the first equation x = 5-3 so x = 2
so (2,3) is the answer
same type of work for #4
2x-y=6 ,S0 y = 2X+6
so now you have 4x+2(2x+6)=-4
that becomes 4x +4x+12 = -4
8x+8 = 1, x =1
y = 2(1)-6 = -4
so answer is (1,-4)
2(5/16)=10/16
2/1=32/16
32/16-10/16=22/16
Answer: 1 6/16 tortes left
Answer:
Step-by-step explanation:
The question is not biased. It doesn't push the participants to answer one way or another.
However, the sample is biased. It does not represent the population.
The first and fourth options are correct.
Yes 69 is less than a right angle. A right angle must be 90 lol
Answer:
Step-by-step explanation:
It's B.
So the equation is x > -25. In word form, "The solution to this equation is greater than -25."
B begins at -25, and has a thick arrow pointing in the positive direction.
