So you would add 12 to the other side of the equation, and 9+12=21, so x=21.
Answer:
Factored form of x^2+3x+xy is x(x + 3 + y)
Step-by-step explanation:
x^2+3x+xy
Factor form ;
= x (x + 3 + y)
Answer:
2 tons of dirt per hour
Step-by-step explanation:
helpful to know: 1/6 hours = 10 minutes
you can create a proportion to find unit rate by using (tons of dirt ÷ time)
we'll use 'd' to represent amount of dirt and use minutes
1/3÷10 = d/60
1/3÷10 = 1/3 × 1/10 = 1/30
we now have:
1/30 = d/60
we can cross-multiply to get:
30d = 60
d = 2
If I am reading this correctly...the ratio would be
Austalia championships: the total of countries championships
for example australia = 18 and the other countries have 300
ratio would be 18:300 or 18/300
Then simplify 3:50 or 3/50
Hope this was helpful!
Answer:
y = 240.3 ft to the nearest tenth.
Step-by-step explanation:
The bottom left angle = 31 degrees ( interior alternate angles).
tan 31 = y / 400
y = 400 tan 31
y = 240.34 ft.