Answer:2m-10
Step-by-step explanation:
Answer:
452.39
Step-by-step explanation:
The question is asking for the area of the pool, so use the circle area formula, which is A=
. In the formula, A is the area and r is the radius. The question gives us the diameter, so divide that by 2 to get the radius. Therefore the equation is A=
, then solve to get 452.39.
It is the first one Y = -5x + 1
apply this to any x you will get y
i just used trial and error
The order of steps to solve the equation are;
x^2 − 15 = 2x
(x − 5)(x + 3) = 0
x − 5 = 0 or x + 3 = 0
Potential solutions are −3 and 5
<h3>Logarithm functions</h3>
Logarithm expressions are inverse of an exponential function. Given the logarithm expression shown below:
log(x^2 − 15) = log(2x)
Cancel the log on both sides
x^2-15 = 2x
Equate to zero
x^2-2x-15 = 0
Factorize
x^2 -5x + 3x -15 = 0
x(x-5)+3(x-5) = 0
(x-5)(x+3) = 0
Find the solution
x - 5 = 0 or x + 3 = 0
Potential solution are 5 and -3
Learn more on logarithm here: brainly.com/question/247340
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