labodeguita8963 labodeguita8963
  • 15-10-2021
  • Mathematics
contestada

Nicole has 28 nickels and dimes that amount to $1.85 how many of each coin does she have.

Respuesta :

lliissaa1116 lliissaa1116
  • 15-10-2021
X+Y= 28
5x+10y=185

-5(X+Y= 28)
5x+10y=185

-5x-5y=-140
5x+10y=185

5y=45
Y=9

28-9= 19
X=19

19 nickels
9 dimes

Answer Link

Otras preguntas

After the industrial revolution, how did european imperialism affect africa?
what are other examples of two species dividing a niche or habitat
what title was macbeth given
Shaniqua is constructing an isosceles triangle to use as a model in her Algebra class. The perimeter of her triangle is 24 inches. Shaniqua uses the equation
Light waves are refracted when passing through a prism. True False
If in the opinion of a given investor a stock's expected return exceeds its required return, this suggests that the investor thinks
Rene has added toe touches and shoulder stretches to his warm up routine. these activities are most likely going to improve his
Who is really responsible for the seasonal air pollution, also known as the haze, in Malaysia?
a sample of 144 firecrackers contained 4 duds. how many duds would you expect in a sample of 1584 firecrackers?
Who won World War 2? The Allies, or the Axis.