Answer:
a parabola está sobre a origem
Step-by-step explanation:
portuguese - brazil
, b = 0 , c = 0
concavidade para baixo
Δ = 0
toca um ponto na parábola (0)
a parabola está sobre a origem
Answer: 4.5
Step-by-step explanation:
A half is 0.5 as a decimal. So:
4 + 0.5 = 4.5
Answer:
ether 1/2 or 300
Step-by-step explanation:
Answer:
x= -1.33333...
or -1 1/3
Step-by-step explanation:
3x+9=5
Subtract 9 to both sides.
3x+9= 5
-9 -9
3x= -4
Divide 3 to both sides.
<u> 3x</u>=<u> -4</u>
3 3
x= -1.33333...
or -1 1/3
Answer: linear function is 25x + 20
After 8 weeks he has saved 25(8)+20 which is 200, so he saved $200 after 8 weeks.
Step-by-step explanation:
Ok so we say 25x because x is any amount of weeks he has saved for and because he had a head start of $20, we add 20 when calculating after any amount of weeks( because even if we know he saved 25x after x weeks we have to add the 20 dollars he also started with)
I hope this helps:)
