Order of operations or PEMDAS is as follows: parenthesis, Exponents, Multiplication and division, addition and subtraction.
So for this equation you have to do the devision first because their is not parenthasis or exponents. So you end up with the equation
5+3+6+1
then you just add all the numbers together to get your final answer of 15
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Answer:
They can paint 18. 66 sq ft with 3 gallons of paint.
Step-by-step explanation:
Total area painted = 280 sq ft
Total gallons of paint used = 45
So, 45 gallons of paint painted 280 sq ft.
⇒ By UNITARY METHOD,
1 gallon of paint paints 
sq ft
So, area painted by 1 gallon = 6.22 sq ft
⇒ area painted by 3 gallon = 6.22 sq ft x 3 = 18. 66 sq ft
So, they can paint 18. 66 sq ft with 3 gallons of paint.
Speed=distance/time
speed=37.5/3
=12.5 m/s
Answer:
A) (x-7)/(x+4)
Step-by-step explanation:
(x^2-10x+21)/(x^2+x-12)=[(x-3)(x-7)]/[(x+4)(x-3)]=(x-7)/(x+4)
