supercute3365 supercute3365

23-03-2018
Mathematics

contestada

Derek has some Nickels and dimes worth $3.60 the number of dimes is one more than twice the number of nickels how many nickels and dimes does he

Respuesta :

vojtadanhel vojtadanhel

27-03-2018

5x + 10y = 360
y = 2x + 1

5x + 10*(2x + 1) = 360
5x + 20x + 10 = 360
25x = 350
x = 14

y = 2x + 1
y = 2*14 + 1
y = 29

Derek has 14 nickels and 29 dimes

Answer Link

Otras preguntas

Why is it valid to say that both a function and its inverse describe the same relationship

List the five key factors that eventually led to the convening of the constitutional convention?

how might ypu use nonverbal communication yo let a friend know that you are upset?a. whispering to him or herb.using " I" messagec.yelling at him or herd.frowni

what philosophy came from china and later adopted by japanese warriors because it emphasized obedience and social harmony Confucianism daoism legalism Shintois

Lee class has 1.4 times as many students as Fred's. If there are 60 students, how many students does Fred's class have? How many students does Lee's class have?

The power of Congress to declare war is a(n) __________.. A. Judicial power. B. Implied power. C. enumerated power. D. Forbidden power

Which is the least serve form of heat illness

For what values of k does the graph of y=-2x^2+5x+k not cut the x-axis? I want the working out to be detailed on how exactly do we solve this question.

what does scientific methodology involve

describe the two main types of interactions that environmental scientists study