# Posts by PPP

Total # Posts: 15

math
1?. Write as a single power: 420 + 420 + 420 + 420

math
90 decreased by what percentage is 45.9?

math
How many seconds are there in 13.5% of 3 hours?

math
12.? You has investments totaling \$8000 in two accounts: a savings account paying 5% interest, and the other a bond paying 8% interest. If the amount of interest after one year from both investments was \$600, how much did you invest in both accounts initially?

math
A \$10, 000 loan advanced on May 1 at 8 1?4 % requires two payments of \$3000 on July 15 and September 15, and a third payment on November 15. What must the third and final payment be in order to settle the debt?

math
Suppose that a sum of money at simple interest becomes \$840 in 1 year and \$960 in 4 years. What is the principal?

math
7?. If 60 ml of water contains 12% of chlorine, how much water must be added in order to create a 8% chlorine solution?

math
6?. For his birthday party, Perry mixed together 3 gallons of Jackson’s fruit punch, and 2 gallons of Bonanza’s fruit punch. Jackson’s fruit punch contains 20% fruit juice, and Bonanza’s fruit punch contains 55% fruit juice. What percent of the mixture is ...

math
If the time in months and the rate of interest per month are in the ratio 4 : 1, and the interest 16% of the principal, then what is the rate of interest? show all steps

math
Applewood Supplies received a payment of \$864from Main Street Service on october 8 on an invoice of \$1999.58 dated september 29 with terms 4/10.how much does Main Street Service still owe on the invoice?

Math
A pool has a uniform circular cross section of radius 5 metre and uniform Dept 1.4 metre it is filled by a pipe which delivers water @ 20 litre per second calculate in minutes the time taken to fill the pool. If the pool is emptied in 42 min by another cylindrical pipe through...

physics
kll

calculus
A quantity has the value P at time t seconds and is decreasing at a rate proportional to sqrt(P). a) By forming and solving a suitable differential equation, show that P= (a - bt)^2 , where a and b are constants. Given that when t= 0, P = 400, b) find the value of a. Given ...

calculus
A quantity has the value P at time t seconds and is decreasing at a rate proportional to sqrt(P). a) By forming and solving a suitable differential equation, show that P= (a - bt)^2 , where a and b are constants. Given that when t= 0, P = 400, b) find the value of a. Given ...

pre calculus
9x^2 + 16y^2 - 36x + 96y + 36 = 0 how do i find the domain to this problem?

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