Answer:
Step-by-step explanation:
Surface area = 2πr(h+r)
= 2 * 3.14 * 8*(8+12)
=2*3.14*8*20
= 1004.8 square unit
-9a + 11ad - 35a + ad = -44a + 12ad
hope this helps
Answer: 38
Step-by-step explanation:
There is a rule between operations. I mean that you have to follow these stpes:
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
You can remember as "Please Excuse My Dear Aunt Sally" or PEMDAS.
In this question: 5x5+2.8÷2.2+3.3= 25+16÷4+3=25+4+9=38
Final Answer:
Steps/Reasons/Explanation:
It is common addition and subtraction because they all have w after the number. This means they are the same variable. A plus minus (+-) would be a minus (-).
Question: Simplify the expression: .
<u>Step 1</u>: Simplify.
<u>Step 2</u>: Simplify.
~I hope I helped you :)~