Kevin and Randy have a jar containing 87 coins, all of which are either quarters or nickels. The total value of the coins in the jar is $11.75. How many of each type of coin do they have? The...

Kevin and Randy have a jar containing 87 coins, all of which are either quarters or nickels. The total value of the coins in the jar is $11.75. How many of each type of coin do they have? The...

help help help pleace becaus ei need to know about this problem just help me please vecause i need all the help to solve this problem

beverly drove home from college for spring break. She drove 210 miles at one speed and then 100 miles at 20 mpg less. The total drive took 5 hours, how fast did she drive the first leg of the trip...

Sam drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 8 hours. When Sam drove home, there was no traffic and the trip only took 5 hours...

The larger number is __, and the smaller number is __. I know the difference means subtraction, I'm not sure how to write this equation out.

I have math homework I do not understand and my parents don't get it and neither does my sister.

. Absent constraint, blackberries will spread by 200% a month. My yard can only sustain about 50 plants. Using the logistic growth model, a. Write a recursive formula for the number...

Assuming that the world population follows an exponential growth model, find the projected world population in 2015.

a. Write a recursive formula for the population of Portland b. Write an explicit formula for the population of Port land c. If this trend continues, what will Portland's...

Four months a go ( n = 0) there were 130 lights. Now ( n = 4) there are 146 lights. If this trend continues, a. Find an explicit formula for the number of lights in month n b. How many months will...

Classify the events as dependent or independent, and compute their probabilities. Part 1: a. Rolling 2 dice and getting a sum of 7 twice in succession. The...

A 255mL round-bottom flask is weighed and found to have a mass of 114.85g. A few mL of an easily vaporized liquid are added to the flask and the flask is immersed in a boiling water bath. All of the...

The reaction is: Ni(CO)4= Ni(s)+ 4CO(g)

The water level in a river rose 5 feet after a storm, then fell 2 feet one day later. What was the total change in the water level after the storm?

Anthony wants to make a poster reading "2017". He has three different colours of paint: red, blue, and yellow to colour the 4 digits 2,0,1 and 7. How many ways can Anthony make a poster...

i need help with math

How many distinct arrangements can be made from the letters of STUDENTS

A scuba diver dove from the surface of the ocean to an elevation of -79 9/10 feet at a rate of -18.8 feet per minute. After spending 12.75 minutes at that elevation, the diver ascended to an elevation...

you have to set up the problem your self and solve it

answer plz

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