You can first do the multiplication 117* 100 (=11700) or
54 * 100 = 5400
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Remember to make the polynomials to equal zero, one or the other polynomial must equal zero. So...
2x-3 = 0
2x= 3
x=3/2
and
4x+5 = 0
4x = -5
x = -5/4
So the answers are x=3/2 and x = -5/4
Hope this helps!
Answer:
Unit Rate = .692 British Pounds per U.S. Dollar
Step-by-step explanation:
To get pounds per dollar:
pounds/dollar
Divide the number of pounds by the number of dollars
34.6 pounds / 50 U.S. dollars =
34.6/50=0.692
F(x^2) = x^2 - 3
5f(x^2) = 5x^2 - 15 = 2x - 8
Placing all the terms on the left side, we get:
5x^2 - 2x - 7 = 0 which factorises to
(5x - 7)(x + 1) = 0
So, x = 7/5 or x = -1
But x is non-negative, so x = 7/5 = 1 2/5
C is the answer.
