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The solution for the equation a(b - c) = d is:
None of the options is correct
The given equation is:
a(b - c) = d
Expand the left hand side of the equation using distributive rule
ab - ac = d
Subtract ab from both sides
ab - ab - ac = d - ab
-ac = d - ab
Multiply both sides by -1
-1(-ac) = -1(d - ab)
ac = ab - d
Divide both sides by a
Learn more here: brainly.com/question/21406377
Answer:
We use formula, circumference= to get r= 7.48
Step-by-step explanation:
Here is the complete question: The circumference of a pool is 47 feet. Which formula can you use to find Radius (r), if you know that C =2πr.
Given: Circumference= 47 feet.
We will use formula of circumference to find radius (r) as given.
Circumference =
⇒ (∵ we know π=3.14)
Cross multiplying both side to get r.
⇒ r=
∴ radius (r)= 7.48
∴ We will use circumference formula to find Radius (r).