2/5 in decimal form would be 0.4
Answer:
Please explain more.
Step-by-step explanation:
Answer:
a:c=2.5:1.25
Step-by-step explanation:
2a:3b=5:6
2(2.5):3(2)=5:6
3(2):2(1.25)=6:2.5=36:15
Answer: 1208.365
Step-by-step explanation:
Let P be the initial number of the fungi in the culture,
Since, The relative growth rate for a certain type of fungi is 60% per hour,
⇒ The number of fungi is increasing by the constant rate of 60%
⇒
According to the question,
Answer:
x = -2
Step-by-step explanation:
( 2x - 1 ) ( x + 3 ) - ( x + 3 ) ( x - 3 ) = x + 2
Expand
x^2 + 5x + 6 = x + 2
x^2 + 5x + 6 - 2 = x + 2 - 2
x^2 + 5x +4 = x
x^2 + 5x + 4 - x = x - x
x^2 + 5x + 4 = 0
-4 / 2 = -2
x = -2