Are there supposed to be answers on am i just stupid
16/2=8
8 * 8 = 64
64* 3.14 = 200.96
200.96 * 60 = 12057.6
I believe that is the right answer but i am not 100% sure let me know if i was wrong
Answer:
x = 8
Step-by-step explanation:
When cutting the wire we will get two pieces
x and 12 - x
If we build a circle whith x , the lenght of the circle will be x, and if we look at the equation for a lenght of a cicle 2*π*r = x
then r = x/2π
and consequentely A₁ = area of a circle = πr² A₁ = π*x/2π
A₁ = x/2
With the other piece 12 - x we have to make an square so wehave to divide that piece in four equal length
side of the square = s
s = 1/4 ( 12 - x ) and the area is A₂ = [1/4 ( 12 - x)]²
A₂ = ( 12 - x )²/16
Then A₁ + A₂ = A(t) and this area as fuction of x
A (x) = x/2 + 1/16 ( 144 + x² -24x) A (x) =[ (8x + 144 + x² -24x)]/16
Taken derivatives in both sides
A´(x) = 8 + 2x - 24 = 0
2x -16 = 0 x = 8 and s = 12 - 8 s = 4
There are 3 Simple Steps to Divide Fractions:
Step 1. Turn the second fraction (the one you want to divide by) upside down
(this is now a reciprocal).
Step 2. Multiply the first fraction by that reciprocal
Step 3. Simplify the fraction (if needed)
Han saved $1.5 by using the coupon.
Step-by-step explanation:
Given,
Normal price of item = $15
Coupon used by Han= 10% off
Amount of discount = 10% of normal price
Han saved $1.5 by using the coupon.
Keywords: percentage, division
Learn more about percentages at:
#LearnwithBrainly
