Answer:
1. No
2. 1,050 bushels of corn
Step-by-step explanation:
1. A number is proportional if it has a constant ratio to another quantity.
8/12 and 10/25 do not.
2. An acre will produce 
bushels of corn.
750 divided by 10 is 75. <u>This is 75 bushels per acre.</u>
Then you would multiply 75 and 14.
This equals 1,050 bushels of corn.
Answer:
we will mix 55 liters of 20% solution and 20 Liters of 50% solutions.
Step-by-step explanation:
let the 20% solution = x liters
let the 50% solution = y liters
total solution of the mixture of the two solutions in % = 28%
total solution of the mixture of the two solutions in liters = 75 liters
considering the total solutions given, we will have the following equations if we mix the solutions in equal proportion;
20x + 50y = 28 (75)
0.2x + 0.5y = 0.28(75)
0.2x + 0.5y = 21 -------equation 1
Also,
x + y = 75 ------equation 2
y = 75 - x
(substitute this into equation 1)
0.2x + 0.5(75 - x) = 21
0.2x + 37.5 - 0.5x = 21
0.2x - 0.5x = 21 - 37.5
-0.3x = -16.5
x = -16.5 / -0.3
x = 55 liters
Recall, y = 75 - x
y = 75 -55
y = 20 Liters
Thus, we will mix 55 liters of 20% solution and 20 Liters of 50% solutions.
Step-by-step explanation:
Sorry that they're sideways, it's the only way brainy would let me send them!!
Answer:
-33
Step-by-step explanation:
first you should power number 2 to 2 and then multiply by 9 finally abstract it by 3
Well, if ABC=QRS
Then AB=QR
So if AB=50 then QR=50
