Answer:7
Step-by-step explanation:7
Step-by-step explanation:
(2x-y+3)(2x-y-3)=
4x²-2xy-6x-2xy+y²+3y+6x-3y-9=
4x²-4xy+y²-9=
(2x-y)²-9
Answer:
C -36
Step-by-step explanation:
Answer:
D. x=1
Step-by-step explanation:
Image can be rewritten as 3x + 6 = 9.
Solve for x.
3x +6 = 9
Isolate x by subtracting 6 from both sides.
3x = 3
Get rid of the 3 by dividing by 3 on both sides.
x = 1
Hope this helped.
Step-by-step explanation:
Dosage per kg per day = 8mg
2 doses = 4mg
If a person weighs 82 pounds =? mg
1kg = 2.205 pounds
So 82 ÷ 2.205 = 37. 195 kg
So he should receive 37. 195 mg every 12 hours