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Dominik [7]
3 years ago
7

Mike's savings account earns 1% simple interest every week. If he starts his account with $600, what will the balance in the acc

ount be after two weeks?​
Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
5 0

Answer:

$612

Step-by-step explanation:

Simple interest does not allow for interest-on-interest and is only based on the principal amount (original amount). The formula for simple interest is I=P⋅r⋅t, with I being interest, P being the principal, r being the interest rate, and t being the amount of times interest has added. By plugging in everything you know, you get

I = 600⋅0.01⋅2

The rate is 0.01 because 1% converted into a decimal is 0.01. After multiplying all the numbers, you'll find that the total amount of interest he gains is $12. Add that to his principal of $600 and you'll see that Mike now has $612 in his savings account after two weeks.

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Answer:

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Step-by-step explanation:

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3 years ago
How far does the tip of the minute hand of a clock move in 1 hour and 27 minutes if the hand is 2 inches long?
Nesterboy [21]
So, a full circle has 360°, thus when the minute hand does one hour, it does a full circle, therefore 360°.

now, how many degrees are there in 1 minute?  well, there are 60 minutes in 360°, therefore there are 360/60 degrees in 1 minute, or 6°.

now, we know in 1 hour there are 360°, how many in 27 minutes?  well, 27 * 6, or 162°.  So after 1hr and 27min, the minute hand has done 360+162 or 522°.

we also know the minute hand is 2 inches long, thus

\bf \textit{arc's length}\\\\
s=\cfrac{\pi \theta r}{180}\quad 
\begin{cases}
r=radius\\
\theta =angle~in\\
\qquad degrees\\
------\\
r=2\\
\theta =522
\end{cases}\implies s=\cfrac{\pi \cdot 522\cdot 2}{180}


which is roughly 18 inches rounded up.
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3 years ago
Please help me! Im confused
Natali [406]

Answer:

x= -5.5

Step-by-step explanation:

3 0
2 years ago
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