Mathematics, 20.08.2019 16:30 Jasten
Acontainer holds a combination of nickels and quarters. there are 156 coins in all, and their total value is $21.60. the system of equations models this situation, where x is the number of nickels and y is the number of quarters.
x+y=156
0.05x+0.25y=21.6
how many nickels and quarters are in the container?
a.
118 nickels and 38 quarters
b.
106 nickels and 50 quarters
c.
87 nickels and 69 quarters
d.
72 nickels and 84 quarters
Answers: 1
Mathematics, 21.06.2019 19:20
Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.
Answers: 1
Mathematics, 21.06.2019 19:30
You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?
Answers: 2
Mathematics, 21.06.2019 21:00
Type the correct answer in each box. use numerals instead of words. if necessary, use / fir the fraction bar(s). the graph represents the piecewise function: h
Answers: 3
Mathematics, 22.06.2019 01:20
Describe how to determine the average rate of change between x = 4 and x = 6 for the function f(x) = 2x^3 + 4. include the average rate of change in your answer.
Answers: 3
Acontainer holds a combination of nickels and quarters. there are 156 coins in all, and their total...
Computers and Technology, 20.11.2020 02:40
English, 20.11.2020 02:40
Biology, 20.11.2020 02:40
Biology, 20.11.2020 02:40
Mathematics, 20.11.2020 02:40
Business, 20.11.2020 02:40
Mathematics, 20.11.2020 02:40
English, 20.11.2020 02:40
Biology, 20.11.2020 02:40
Biology, 20.11.2020 02:40