The half-life of a radioactive element is five years. a scientist has 18 grams of the element. the equation representing the number of grams, g, after x years is what is the annual rate of decay

Mr. Rodriguez invests half of his money in land a tenth in stocks Herrin 20th in bonds he puts the remaining 35000 in his savings account what is the total amount of money that mr. Rodriguez saves and invests

Tell whether the ordered pair is a solution of the equation. Just substitute the given x and y to see if the equation works y=4x+2; (2,10)

Using suitable rearrangement find the sum of - 5 + 7/10 + 3/7 + (-3) + 15/4

A candle is 6 inches tall and burns at a rate of 1/2 inch per hour. How tall will if be in 6 hours?

Andy cut a tuna sandwich and a chicken sandwich into a total of 15 same-size pieces. he cut the tuna sandwich into 9 more pieces than the chicken sandwich. andy ate 8 pieces of the tuna sandwich. what fraction of the tuna sandwich did he eat?

Find the degree of the monomial. 4x^7y^3 a. 3 b. 10 c. 7 d. 4

bill number is a multilply of 3. rachel number is more than bills number. Geroge number is exactly two times as rachel number. mia number is one third of geroge number and is a multiple of 3 but is not the smallest what is the answer

What is a piggle in geometry

In one year doctors at the emergency room of a hospital treated 380 children for bicycle accidents. Of these, 15 percent had a broken collarbone. How many children were treated for a broken collarbone?

Ben is 3 times as old as kyra dilip is 4 years younger than kyra. if kyra is X years old how old is ben? how old is dilip write an algebraic expression for each boys age