The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. Starting with 145 grams of a radioactive isotope, how much will...

The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. Starting with 145 grams of a radioactive isotope, how much will...

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The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. Starting with 160 grams of a radioactive isotope, how much will...

A car is purchased for $16,500. After each year, the resale value decreases by 35%. What will the resale value be after 4 years? round your answer to the nearest dol...

"x" over 4="x"-6 over 3

a certain forest covers an area of 1800km^2. Suppose that each year the forest decreases by 5.75%. What will the area be after 11 years? round your answer to the nearest square kil...

a ball is thrown from a height of 197 feet with an initial downward velocity of 21 ft/s. the balls height h (in feet) after t seconds is given by the following h=197...

The length of a certain rectangle is 5 units more than the width .Write an equation that represents the length,/,in terms of width,w,for this rectangle.

the Options are 13 and 31, -13 and 57, 21 and 23

It is in a big math idea's book for common core math for 6th graders

I just need the answer

Chapter 7 Multiply Fractions GO MATH

If s(x) = vx for all x, and i = 0.05, show that Ax= 1/2.05 for all x. This is for a life contingencies class- dealing with Insurance benefits. Ax is the APV for whole life insurance,...

I think it is multiplication and division

It's been too long

-Let statements -2 equations -elimination/substitute -find answers -check

This was giving me troubl! Please help!

Story problems with intergers