Algebra Answers

A tumor is injected with 0.8 grams of Iodine-125, which has a decay rate of 1.15% per day. Write an exponential model representing the amount of Iodine-125 remaining in the tumor after t days. Then use the formula to find the amount of Iodine-125 that would remain in the tumor after 60 days.

Write 64 as a product of primes.
Use index notation where appropriate.

Find the sums of the following fractions:
1. 1/4+1/8.
2. 1/2+3/10.
3. 5/12+1/4.
4. 2/5+4/15.
5. 2/9+2/3.
6. 2/3+7/15.
7. 8/21+3/7.

Write a short paragraph of about ten lines about your experience of learning how to work with fractions

Show how 6 children can share 10 pizzas among themselves.your illustration should lead you to the following answer 1(4/6).

1. If you share a six-bar chocolate among the following number of people,how much will each receive? Illustrate your answer.
1.1. 6 people.
1.2. 3 people.
1.3. 5 people
2. Draw four different diagrams, which can be used to show wholes that are divided into three parts, but which do not all represents thirds

If P is a fraction approximated thy 0.18 with relative error of 0.04 find P

Using graphical method solve the equation;x²-3x-4=0

Vipul is buying trial mix for an upcoming hike. the trial mix costs $3.95 per pound and he is buying 2.01 pounds.estimate the total cost of his trial mix