Which number is equivalent to the expression 8+2(12-5)
A 22
B 27
C 70
D 115
2 answers:
We will be using PEMDAS rule here :
P
- Parentheses first
E
- Exponents (ie Powers and Square Roots, etc.)
MD
- Multiplication and Division (left-to-right)
AS
- Addition and Subtraction (left-to-right)
8+2(12-5)
Step 1:
Solving parenthesis first:
8+2(7)
Step 2:
Multiplying 2*7
8+14
Step 3:
Adding 8 and 14
22
Answer is 22
we are given
we can use
P: Parenthesis
E:Exponent
M: Multiplication
D: Division
A: Addition
S: Subtraction
so, firstly we will find parenthesis value
now, we can multiply
now, we can add
............Answer
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10+7n=59
7n=59-10
7n=49
n=49/7
n=7
(4/9)/x = 12
(4/9) = 12x
Divide both sides by 12
(1/27) =x
Use the formula i = p*r*t.
Here, p = $100000, r = 0.05 and t = 1 (year)
The interest would be i = $100000*0.05*1 = $5000 per year.
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