The cost of water would be $615 as he needs 3 acre-feet of water for 205 acre/ft
' 36 = 9k ' is not an inequality. It's an <u>equality</u>, usually called an <em><u>equation</u></em>.
It's true whenever 'k' is 4, and false at any other time.
(You can determine that simply by dividing each side of the equation by 9.)
Emmmm derecha izquierda 56 a la cuadrada de 4 triangulada sobre17 raíz 12
Step-by-step explanation:
Approach: If four numbers a, b, c and d are in proportion then a:b = c:d. The solution is to sort the four numbers and pair up the first 2 together and the last 2 together and check their ratios this is because, in order for them to be in proportion, the product of means has to be equal to the product of extremes.
Answer: x = -3
Step-by-step explanation:
2x + 7x = 9x
9x + 3 -24
- 3
9x = -27
divide by 9
-3 = x
