Answer: $144
Step-by-step explanation:
8 tiles = $192
1 tile = $24
2 tiles = $48
192 - 48 = 144
she returned 2
8 - 2 = 6
6 tiles = $144
Answer:
4x²y² + 20xy² + 25y²
Step-by-step explanation:
(a + b)² = a² + 2ab + b²
a = 2xy ; b = 5y
(2xy +5y)² = (2xy)² + 2*(2xy) * (5y) +(5y)²
= 2²x²y² + 2* 2* 5 * x*y*y + 5²*y²
=4x²y² + 20xy² + 25y²
Answer:
the total charge is
Step-by-step explanation:
Since x is measured from the center, that means that x=0 is the center so the edges of the rod correspond to x=-6 and x=6. that meas that the total charge can be calculated as
separating the integral from -6 to 0 and from 0 to 6, taking into account that |x|=-x for x<0 and |x|=x for x >=0, we get
using the substitution x=-u in the first integral we get
which is the same as the first integral. Thus, the total charge is given by
integrating we get
Answer: "No"; and "no".
"1/5" is smaller than "20" and" "20.6".
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Note: "1/5" = "0.8"; which is MUCH smaller than "20" and "20.6".
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9/10=180/x
x=200
8/10=180/x
(180*10)/8
(180*5)/4
x= 225
225-200=25
Answer: 25
I THINK