Jim has only dimes and nickels in his coin bank. he has 37 coins with a total value of $2.65. how many nickels are in jim's coin bank

Step-by-step explanation:

we know that

Let

x-------> the number of nickels

y-------> the number of dimes

------> isolate the variable y

-------->  equation A

------> multiply by both sides

-------> equation B

Substitute equation A in equation B and solve for x

correct answer:

b.(19,-2)

a mantle plume is an upwelling of abnormally hot rock within the earth's mantle. as the heads of mantle plumes can partly melt when they reach shallow depths, they are thought to be the cause of volcanic centers known as hotspots and probably also to have caused flood basalts.

step-by-step explanation: