Answer:
It was 4 years.
Step-by-step explanation:
To solve this problem we need to use the appropriate formula for simple interest, which is shown below:
M = C*r*t
Where M is the amount of interest, C is the initial amount of money, r is the rate of interest and t is the time elapsed in years. Applying the data from the problem we have:
840 =7000*0.03*t
840 = 210*t
210*t = 840
t = 840/210
t = 4
It was 4 years.
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I think the area of the rectangle is 96
Answer:
5 lb 11⅓ oz
Step-by-step explanation:
First, convert the weight at birth from pound and ounces to just ounces.
8 lb × 16 oz/lb + 9 oz = 137 oz
The baby doubles its weight in the first six months. That means its weight increases by 137 oz over 6 months. To find how much weight was gained in 4 months, write a proportion.
137 / 6 = x / 4
6x = 548
x = 91 ⅓
The baby gained 91 ⅓ oz in 4 months, or 5 lb 11⅓ oz.
The 5 th term of the given expression is 330
.
Step-by-step explanation:
Given,
To find the 5th term of the given expression.
Formula
In a binomial series 
, the r th term is = nC(r-1) 
, where,
nC(r-1) = 
Now,
Putting, n=11, r = r, a=6x and b=6y we get,
5 th term = 11C4
= 
= 
= 330
Here is the answer.
