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ale4655 [162]
3 years ago
11

4. Heidi opens a savings account and deposits € 1,500. The bank pays interest on your credit 3.2%. At the end of the year, Heidi

receives € 30 interest. When did she open the account? I just wanted to know how to do that.​
Mathematics
1 answer:
kumpel [21]3 years ago
6 0

Answer:

0.625 years = 7.5 months

Step-by-step explanation:

Simple interest formula = rxtxp divided by 100

R x T x P / 100 = 30

Substitute all the values we know

3.2 x T x 1500/100 = 30

Simplify and rearrange =

3.2 x T x 1500 = 3000

3.2 x T = 2

T = 2/3.2

T = 0.625

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What is the 214 term in the sequence 7,10,13,16?
mixer [17]
We can figure this out using the explicit formula.

f(n)=f(1)+d(n-1)

n represents the term we are looking for.
f(1) represents the first term in the sequence, which in this case, is 7.
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