Answer:
Explanation:
<u>1. Given equation:</u>

<u>2. Given intensity:</u>

<u>3. Decibels</u>

Step-by-step explanation:
3x - 9 +2x + 9 = 2x - 2
5x = 2x - 2
5x - 2x = - 2
3x = - 2
x= - 2/ 3
Hello there!
I’m not sure if they want me to add the answers together or just do them separately.
Exponents
(-2)^2=(-2)(-2)=4
(7/6)^2=7/6(7/6)=49/36
I hope this helps!
Best wishes.
-HuronGirl
Nguyen saves 15% of his income
<h3>How to determine the percentage?</h3>
The given parameters are:
Savings = $120
Income = $800
The percentage saved is calculated as:
Percentage = Savings/Income * 100%
This gives
Percentage = 120/800 * 100%
Evaluate
Percentage = 15%
Hence, Nguyen saves 15% of his income
Read more about percentage at:
brainly.com/question/843074
#SPJ1
Answer:
Step-by-step explanation:
WeknowthatsinceABCisarightangledtriangle,
AB2+BC2=AC2
82+152=AC2
64+225=AC2
AC2=289
AC=289−−−√=17
Hypotenuse=17cm