Question

help

Answer 1

With

Answer 2

what?

Answer 3

Use the compound interest formula P = A(1 + i)n, where A is the original value of an investment, i is the interest rate per compounding period, n is the total number of compounding periods, and P is the value of the investment after n periods. A hospital administrator deposits $10,000 into an account that earns 9% annual interest compounded monthly. In approximately how many years will the investment be worth $21,000? Round up to the nearest whole number.


years

Answer 4

Use the equation pH = −log(H+), where H+ is the hydrogen ion concentration of a solution.
Find the pH of a baking soda solution, for which the hydrogen ion concentration is 1.75 10−6. (Round your answer to one decimal place.)
pH =

Answer 5

10 000 = A
i = 0.09
P = 21 000

Answer 6

21 000 = 10000(1.09)n

Solve for n

Answer 7

n=2
PH= 5.8

Answer 8

thanks

Answer 9

4t^2-36/49=0

Answer 10

\[4t^2-36/49=0\]

Answer 11

step by step please

Answer 12

= (2t - 6/7)(2t+6/7)
=> t= 3/7 or t=-3/7

Answer 13

how do you get 6/7?