Answer:
$40
Step-by-step explanation:
You are going to want to use the simple interest formula for this.

<em>I = interest amount
</em>
<em>P = principal amount
</em>
<em>r = interest rate (decimal form)
</em>
<em>t = time</em>
<em />
First, change 2% into its decimal form:
2% ->
-> 0.02
Next, plug in the values into the equation as shown below:


Keisha earned $40 worth of interest after the first 4 years.
Answer:
The temperature at midnight is -12 degree Celsius
Step-by-step explanation:
Given -
Temperature at 6:00 PM = -20 degree Celsius
Let the temperature at midnight be X degree Celsius
From midnight to 6:00 am, the temperature rose by 8 degree Celsius
X - (-20) = 8
X = 8-20
X = -12 degree Celsius.
The temperature at midnight is -12 degree Celsius.
Answer:24
Step-by-step explanation:
Answer:
Random sample,
and
, so yes, both conditions were satisfied.
Step-by-step explanation:
60% of the people in a certain midwest city who are responsible for preparing the evening meal have no idea what they are going to prepare as late as 4PM in the afternoon.
This means that 
A recent survey was conducted from 1000 of these individuals.
This means that 
Also, a random sample, so the first condition was satisfied.
The sample size must be large (so that at least 10 or more successes and failures).


So yes, both conditions were met.