Hi there, I I have a question about Physics/ chemistry. If I have a bag of iron oxide(lll) and powdered aluminium in the ratio of 3:1 totalling 72g, with 54g being Fe2O3 and 18g of 2Al, what...

Hi there, I I have a question about Physics/ chemistry. If I have a bag of iron oxide(lll) and powdered aluminium in the ratio of 3:1 totalling 72g, with 54g being Fe2O3 and 18g of 2Al, what...

Ruben invested $1400 per year in an IRA each year for 8 years earning 10% compounded annually. At the end of 8 years he ceased the IRA payments, but continued to invest his accumulated amount...

I'm using two formulas in a game that I'm making. One let's you know how many "Stocks" you'll earn depending on how much you've earned in the lifetime of the game. The other let's you know...

Volleyball court is twice as long as it is wide . perimeter is 177. Find dimensions.

The height in feet h above the earth for sky divers t seconds after jumping from an airplane flying at a height of 6400 feet above the ground is approximated by the formula: h(t)=-16t2+6400 subject...

The value of a certain textbook decreases according to the formula V=45*20.9t where V is the value of the textbook in dollars and t is the age of the textbook in years. What is the...

In a Minnesota swamp in the springtime (after the last frost) the number of mosquitoes per acre appears to grow according to the formula N=100.1t+2 where t is the number of days...

I need to calculate annual growth. So if i grow my wealth by 1.5% each year. I need to know the formula for how to project 2040 without actually doing each year.

You want to purchase a new car in 5 years and expect the car to cost $61,000. Your bank offers a plan with a guaranteed APR of 5.5 % if you make regular monthly deposits. How much should you deposit...

The level of sound (L) in decibels (dB) is given by the formula Double click to edit Where I is the intensity of the sound in watts per square meter. If the intensity of the sound at a rock...

1. r=2s—2t. Solve for t. When I try to solve, I get (2s—r)/(2) but the book says the answer is s—(r/2) 2. (A/P) = B—1. Solve for B. Again, when I try to solve I get...

I am a stock trader who earns 3% on my account each month. If I start with an initial investment of 100$, earn 3% growth each month, while also adding an additional 100$ to the account each...

the cost, c, of buying t trees and b bushes together with delivery charge is c = 10t +6b +15 greg has £315 to spend and needs 35 bushes, how many trees can he buy?

in the formula A=1/2bh , If A=450 , h=9 find the value of b ?

There are two stable oxides of Lead(pb) that exist. Using concepts of stability, predict the formulas for the two oxides. ie Find the formula for the stable versions of PbxOy

Hi, I need help solving for w

Hi, I need help how to solve for r

P=2l+2w If l=3.75 and P= 12.26

I have a bill that costs 839.21, i pay 322.70, my friend pays 316.40, and her friend pays 200.11, what is the percentages that each of us pay for that bill? Also a generous person has decided to pay...

Hi, I need help with solving the equation