Step-by-step explanation:
Continuous exponential growth model:
Where α is the growth rate parameter.
So if t is the starting point and t+t1 is the point that population is doubled:
So:
And as a result, t1, the time needed for the population to double at ANY given point is equal to:
Let X = number of Giraffes
Number of elephants = 3X - 4
Because it was stated that there are more than 23 elephants, the number should not fall below 23.
The algebraic expression would be:
3X - 4 = 23
To get X; Transfer -4 to the other side, changing its sign to positive.
3X = 23 + 4
3X = 27
To get X; Divide both sides by 3
X = 27 / 3
X = 9
Since X represents the number of giraffes, then, there are 9 giraffes in the zoo.
To Check: Substitute X with 9 in the algebraic expression.
3X - 4 = 23
3(9) - 4 = 23
27 - 4 = 23
23 = 23 EQUAL
<h2>answer.</h2>
y is ⅓ of x
<h3>
step by step explanation.</h3>
ratio of x to y is 3:1
x=¾
y=¼
¼÷¾=⅓
that means y is ⅓ of x
to confirm the answer.when you take¾×⅓=¼.
Answer:
7
Step-by-step explanation:
Y + 5 = 1(x - 1)
y + 5 = x - 1
y = x - 6 is the answer