Answer:
Step-by-step explanation:
4x²+4x+1=0
A.
(2x+1)²=0
2x=-1
x=-1/2
B.
Since the quadratic equation has one real solution, the graph of the quadratic equation intercepts the x-axis at (-1/2,0)
3x+20=5x-12
3x+20+12=5x-12+12
3x+32=5x
3x-3+32=5x-3
32=2x
32/2=2x/2
16=x
reflexive property of equality
x=16
Answer:
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Step-by-step explanation:
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180 degree
Step-by-step explanation:
supplementary means anhke havinv sum of 180 degree
so sum to two supplemrntary angles is 180 drgree
Answer:
x=28 (pounds) * 1/3
Step-by-step explanation:
28/3 gives you 1/3 of the shipment weight.
