Answer: 8.5 years
Step-by-step explanation:
Hi, to answer this question we have to apply an exponential growth function:
A = P (1 + r) t
Where:
p = original population
r = growing rate (decimal form) =18/100 = 0.18
t= years
A = population after t years
Replacing with the values given:
192,000 = 47,000 (1+ 0.18)^t
Solving for t:
192,000/47,000 = 1.18^t
4.08 =1.18^t
ln 4.08 = ln 1.18^t
ln 4.08 =t (ln 1.18)
ln 4.08 / ln 1.18 =t
8.5 years = t
Feel free to ask for more if needed or if you did not understand something.
Answer:
(A) 56 on ed genuity
Step-by-step explanation:
we have that
x + 3y = 6 -------> first equation
2x − y = 10
x + 3y = 6-----> substract x both sides
-x+x+3y=6-x
3y=6-x-----> divide by 3 both sides
y=(6-x) /3
y=2-(x/3)
y=-(x/3)+2
therefore
the answer is
negative one thirdx + 2
Answer:
16 square units
Step-by-step explanation:
→ Find the area of the whole triangle
0.5 × ( 5 + 4 ) × 8 = 36
→ Find the area of the small triangle
0.5 × 5 × 8 = 20
→ Minus the area's of the triangles
36 - 20 = 16 square units
Answer:
Part A: x=3
Part B: 6oz
3x=18
Step-by-step explanation:
Part A-
So, he needs 3 oz for each sandwich.
This gives us 3 for the equation.
The question says that we need an equation for this.
If we need an equation, we could write something like
x=3
There's really not anything else that we could write here.
Part B-
We now have something that we need to write.
He has 18 oz for sandwiches.
Each sandwich needs 3 oz.
So, we can write something like 3x=18
Then we could solve the equation by dividing both sides by 3.
This will leave us with x=6
Hope this works!
