Answer:
8(x/2) + 8(3/8) = 1(8)
8(x/2)..the two cancels out and you are left with 4x
8(3/8)..the 8 cancels and leaves with 3
1(8)=8
4x+3=8
Subtract the 3 from both sides to get the x term alone
4x=5
Divide both sides by x to get alone
x=5/4
Step-by-step explanation:
This exponential growth/decay (in this case decay because r<1) of the form:
f=ir^t, f=final value, i=initial value, r=common ratio or "rate", t=time.
Since the population decreases by 4.5% each year the common ratio is:
r=(100-4.5)/100=0.955 so we can say
P(t)=8500(0.955^t)
....
7000=8500(0.955^t)
14/17=(955/1000)^t taking the natural log of both sides
ln(14/17)=t ln(955/1000)
t=ln(14/17)/ln(955/1000)
t≈4.22 years (to nearest hundredth of a year)
Since t is the years since 2010, the population will fall to 7000 in the year (2010+4.22=2014.22, more than four years will have elapsed) 2015.
Answer:
she needs 3 1/3 more yards
Step-by-step explanation:
There are 3 feet in a yard
14yards x 3feet = 42 feet
58 feet- 42 feet= 10 feet
10 divded by 3 is about 3.3
A pound is 16 oz so if you add 16 plus 5 it equals 21<span />
Answer:
8/15
Step-by-step explanation:
The common denominator is 15 so you have to multiply the first number by 5 and the second number by 3 to get a denominator of 15.
Hope this helps!
