Answer:
= 8
Step-by-step explanation:
Combine multiplied terms into a single fraction
Multiply by 1
Add 9 to both sides of the equation
Simplify
Answer:
42
Step-by-step explanation:
|--------------1764------------|
| |
2 |-------882-----------|
| |
2 |--------441------|
| |
|------9-----| |----49---|
| | | |
3 3 7 7
From the factor tree we see that

Now we need to find the square root of 1764.

Answer:

Step-by-step explanation:
can stay untouched, but
has to be changed to
. Now that they have they have the same denominator, you can add them.
, which can be simplified, which is
.
Mr. Jackson invested $800 at 6% per year and $ 2400 at 4 % per year
<h3><u>Solution:</u></h3>
Mr. Jackson invested a sum of money at 6% per year, and 3 times as much at 4% per year.
Let the sum invested be ‘a’ and ‘3a’ at 6% per year and 4 % per year respectively
Also, his annual return totaled $144
We can form following equation on the basis of question:-

a = $800
The amount of money invested at 6% = a = 800
The amount of money invested at 4 % = 3a = 3(800) = 2400
So, the amount of money invested at 6% is $800 and the amount of money invested at 4% is $ 2400