Answer:
31/35 has to be added
Step-by-step explanation:
5/7 plus 7/5 equals 2 4/35.31 plus 4 equals 35,31 has to be added
X+y = 10
x*y= -600
x = -y + 10
Plug this into the equation below
(-y+10) * y = -600
-y^2 +10y + 600 = 0
Did I help? Thank me by clicking Best Answer!
Answer:
q=−3x3+4x2−x
hope this helped :)
Step-by-step explanation:
One set of magnet with 10% discount would cost
(6.4)*(1-0.10) =
6.4*0.9 = 5.76
For two sets of magnets
5.76*2 =11.52
Answer:
Yes, they are equivalent
Step-by-step explanation:
Tell whether the rates are equivalent.
Rate formula = Speed(miles)/Time(hour)
1)7 1/2 miles for every 3/4 hour
Hence
Rate = 7 1/2 miles ÷ 3/4 hour
= 15/2 ÷ 3/4
= 15/2 × 4/3
= 5 × 2
= 10 miles per hour
2) 1/2 mile for every 3 minutes
Time = 60 minutes = 1 hour
3 minutes = x
x = 3/60
x = 0.05 hour
Hence
Rate = 1/2 mile ÷ 0.05 hour
= 0.5 mile ÷ 0.05 hour
= 10 mile per hour
Therefore, both rates are equivalent