jakechadisthecool jakechadisthecool
  • 04-03-2021
  • Mathematics
contestada

Can someone answer and explain ill mark brainliest

Can someone answer and explain ill mark brainliest class=

Respuesta :

mlarsen5000
mlarsen5000 mlarsen5000
  • 04-03-2021

Answer:

56 of the coins are dimes

Step-by-step explanation:

Dimes = D

Quarters = Q

D+Q=102

10D+25Q=1710

-10(D+Q=102)

-10D-10Q=-1020

+10D+25Q=1710

15Q-690

Q=46

D=102-46=56

CHECK 46(25)+56(10)=1150+560=1710 = YES

Answer Link

Otras preguntas

A staple is made from 40mm of wire. How many staples can be made from 10meters of wire?
what are the functions of Holloware
True or False? It's not possible to build a triangle with side lengths of 3, 3, and 3.
Two forms of solid carbon, diamond and graphite, differ in their physical properties due to the differences in their (1) atomic numbers (2) crystal structures (
The price of play equipment for the school has just been reduced by 25%. The new , reduced price of the play equipment is 1500. What is the original price befor
The House of Representatives has how many voting members?
Two forms of solid carbon, diamond and graphite, differ in their physical properties due to the differences in their (1) atomic numbers (2) crystal structures (
We elect a U.S. Senator for how many years?
Who makes federal laws?
In terms of entropy and energy, systems in nature tend to undergo changes toward (1 ) lower entropy and lower energy (2) lower entropy and higher energy (3) hig