Answer:
130 pounds is about 84% of 155
1/9 times 3/1 = 1/3. Now divide 1/3 by 5 or multiply by 1/5 and you get 1/15. There's your answer
Answer:
1800
Step-by-step explanation:
The sum to n terms of an arithmetic sequence is
= [ 2a₁ + (n - 1)d ]
where a₁ is the first term and d the common difference
Here a₁ = - 27 and d = 6, thus
= [ (2 × - 27) + (29 × 6) ]
= 15( - 54 + 174)
= 15(120)
= 1800
Answer:
Step-by-step explanation:
let denote grams of formed in mins.
For of we have:
of A and of B
Amounts of A,B remaining at any given time is expressed as:
of A and of B
Rate at which C is formed satisfies:
Apply the initial condition, ,to the expression above
Now at :
Substitute in X(t) to get