mathematics

Similar Questions

1. Chemistry

   A penny has a mass of 2.5 g and the moon has a mass of 7.35*10^22kg. What is the mass of 1 mole of pennies? How many moles of pennies have a mass equal to the mass of the moon?

2. Geometry

   The stack on the left is made of 15 pennies and the stack of the right is also made of 15 pennies. If the volume of the stack of pennies on the left is 360mm cubed what is the volume of the stack of pennies on the right in cubic

3. math problem

   If I say I will give you a penny on the first day, 2 pennies on the second day, 4 pennies on the third day, and I just keep doubling and do this for a month, How much money would you have at the end of the month???

4. English

   Read the passage from “The Penny May Be Worthless, But Let’s Keep It Anyway.” While killing off the penny may seem like a slam-dunk case, the reason we haven’t is pretty straightforward: People love their Lincolns, as

1. Plz give me the dang answer

   Darryl had 5/6 as many pennies as David. When David gave half of his pennies to Darryl, he had 45 fewer pennies than his friend. How many pennies did David have at first?

2. ALGEBRA

   Mae open her coin purse and found pennies,nickels and dimes with a total value of $2.85.If there are twice as many pennies as there are nickels and dimes combined.How many pennies,dimes and nickels are there if she has a

3. MATH

   Al saves pennies . He agrees to give 1/3 of his pennies to Bev if she would give 1/3 of what she got from Al to Carl and if Carl in turn would give 1/3 of what he got from Bev to Danni. Bev, Carl and Danni agreed and recived 9

4. Chemistry

   A penny has a mass of 2.5 g and the moon has a mass of 7.35*10^22kg. What is the mass of 1 mole of pennies? How many moles of pennies have a mass equal to the mass of the moon?

1. Math Qs. Check!!!!!!

   Jake puts pennies into a jar each morning and lets his brother take haft of the pennies out each morning. Jake put 10 pennies into the empty jar on Monday morning. On Tuesday he put in 15 pennies. One Wednesday he put in 12

2. MATH

   Your friend asks you to help cut grass this summer and will pay you 2 pennies for the first job. You agree to help if he doubles your payment for each job completed. After 2 lawns, you will receive 4 pennies, and after 3 lawns,

3. Algebra 2(help please!!)

   Alisha bought a collection of 500 old pennies. She chose 20 pennies from the collection and recorded their dates. Seven pennies had dates earlier than 1980. What percent of the pennies in Alisha’s collection have dates earlier

4. maths

   Class 5G is having a pizza party. Mrs Baker asked all the children to bring in 50c for their share of the pizza.The next day all the girls came with their 50c but Mrs Baker noticed that every girl had brought their 50c using

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