MASS*GRAV*HEIGHT=PE
MASS=3
GRAV=9.8
HEIGHT=4.5
3*9.8*4.5=132.3
POTENTIAL ENERGY= 132.3
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Answer:
Step-by-step explanation:
( 4y - 9) - 7 = 4y (-9 - 7)
this is the associative property of addition
11:100
iwan:siobhan
if iwan gets 11% then iwan gets 89/100
Answer:
a^2 + b^2
Step-by-step explanation:
The product of a complex number and its complex
conjugate is
a real number.
(a+bi)(a - bi)
Recall the formula for the product of a binomial and its conjugate:
(a + b)(a - b) = a^2 - B^2
Then:
The product of a complex number and its complex
conjugate is
a real number.
(a+bi)(a - bi) = a^2 - (bi)^2 = a^2 - b^2(-1) = a^2 + b^2