Actually Welcome to the Concept of the Rationalization.
The one thing we need to remember is that, to do rationalise, we just have to multiply the conjugate of the denominator to both the numeration and denominator itself, hence we get as,
above attached.
Itt is the first one, i cant really explain why you will just need to trust me
Area of a triangle is 1/2 x base x height.
base = 12
Height = x+6
Area = 1/2 * 12 * x+6
Area = 1/2 * 12x * 72
Area = 6x + 36
Perimeter is the sum of the 3 sides:
x-7 + 12 + 2x+5
3x -2 + 12
3x+10
The last choice is the correct answer.
Answer:
B. 5 is the input
Step-by-step explanation:
f(x) = 4x + 3 f(5) = 23 Plug in 5 for x.
f(x) = 4(5) + 3
f(x) = 20 + 3
f(x) = 23
B. 5 is the input
Yes I’m pretty sure that they do