Please help I can't work out the gradient
1 answer:
Answer:
a is 2.5
b is 1
gradient is rise over run
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Answer:
x=3
Step-by-step explanation:
5х - 2 = 3х + 4
5х - 3х = 4 + 2
2х = 6
х = 6/2
х = 3
Hope this helps!
Answer:
x=3 ??i think
Step-by-step explanation:
cuz it makes sense like that
No because the exact opposite of -3 would be 3.
If u were to add 5x+20=9x you’d get x=5
Answer:
Step-by-step explanation:
- Initial amount = 2112 g
- Time = 188 days
- Half-life = 47 days
188 days / 47 days = 4 periods
<u>Mercury left after 188 days:</u>
- 2112 * (1/2)^4 =
- 2112* 1/16 =
- 2112/16 =
- 132 g
