When considering the claim that eating wel helping to reduce stres, what might give a friend who appears to be stressed about an
2 answers:
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25mph.
using the equation distance = speed x time, you can make 2 equations. let x be the original speed of the train, and t be the original time it takes. the first equation is the original trip, the 2nd is your new speed and shortened time.
this is because you are adding 5mph, and taking off 1 hour of time, to still cover the 150 miles. you can solve the first equation for t, and substitute into the second, and then solve for x.
and using the quadratic formula you can find x=25.
using the equation distance = speed x time, you can make 2 equations. let x be the original speed of the train, and t be the original time it takes. the first equation is the original trip, the 2nd is your new speed and shortened time.
this is because you are adding 5mph, and taking off 1 hour of time, to still cover the 150 miles. you can solve the first equation for t, and substitute into the second, and then solve for x.
and using the quadratic formula you can find x=25.
Answer:
The correct answer is
K = 29.0123 months
Step-by-step explanation:
The given variables are interest at 12 % monthly compounded
to find the number of months
Compound interest = and
A = Future value.
P= Principal, initial value amount,
r= Interest rate
n= number of time units,
t = time
and where
P = principal,
i = interest,
F = Future sum payment
n = number of payment time units
The two options have the same eventual value
Therefore we have
Taking natural logarithm of both sides we have
K= -(㏑(10/6)+)/㏑(1.01) = 29.0123 months
Alternatively we have