Answer:
They studied for a little more than an our. A
Step-by-step explanation:
Because if you multiply 4 on 2/3 you get 8/12, then add 8/12 and 7/12 together to get 15/12 simplified 1 3/12.
The total is 300 cans. And 46percent of the total is 138. Therefore 138canned food was collected on Thursday.
Answer:
40%
Step-by-step explanation:
every year the interested be 20%
that's why in 2 years be 40%interest
Answer:
constant.
Step-by-step explanation:
like natural constants like pi or e.
Answer:
c .3.3
Step-by-step explanation:
pH is the negative log of the molar hydrogen ion concentration.The equation to calculate pH is;
pH = -log10[H+]
pH = -log10(5.0 x 10-4)
pH = 3.30