Ahmed is riding the elevator in a building. The building has floors above and below ground level. Ahmed uses the expression belo
w to describe his movement.
6 + (negative 8)
Which statement could describe Ahmed’s movement?
6 + (negative 8)
Which statement could describe Ahmed’s movement?
2 answers:
Answer:
As the Options are not given
6 + (-8)
It means Ahmed is on the Sixth floor, above the ground floor and then goes 8 floor Downwards which is 2 level below the ground floor.
The Answer in form of numbers is = -2
Because when we add a positive integer and a negative integer , we just subtract smaller integer from larger integer , and keep that sign before the result which the larger number bears.
6 + (-8)=
8 is larger integer which bears negative sign.
One integer is positive and another one is negative,
8 -6= 2
So, 6 + (-8) = -2 →→ 2 level below the ground level
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Answer:
Yes, but it is not linear. It is exponential :
Step-by-step explanation:
On the first day we have 5 bacteria.
On the second day we will have 5*2 = 10 bacteria.
On the third day we will have 10*2 = 5*2*2 = 5*2^2 = 20 bacteria.
On the fourth day we will have 20*2 = 5*2*2*2 = 5*2^3 = 40 bacteria.
We can see that
,
where x is a number of days and f(x) gives us the number of bacteria.
So, on day 1, the plant was say "P" cm tall.
then 2 weeks go by, or 14 days, and the plant grew to 452 cm.
then 2 weeks go by, or 14 days, and the plant grew to 452 cm.