Dree7936 Dree7936

08-06-2018
Mathematics

contestada

How many nickels and dimes are in $5.20 if there are six times more nickels than dimes?

Respuesta :

rajmihirshahp9s1he rajmihirshahp9s1he

08-06-2018

n=6*d
0.05*n + 0.10*d = 5.20
0.3d+0.1d =5.20
d = 5.20/0.4 = 13
13 dimes and 78 nickels

Answer Link

Otras preguntas

You are considering changing insurance companies. Your current company charges you $1500 per year for homeowners insurance plus $300 quarterly (every 3 months)

Saffran, aslin, and newport (1996) presented infants with a continuous speech stream made up of four different three-syllable nonsense words, for a total of two

The length of a shadow of a tree is 9 ft. The distance from the top of the tree to the tip of the shadow is 16 ft. what is the height of the tree?

A baby gains 11 pounds in its first year of life. The baby gained 4 1/4 pounds during the first four months and 3 1/2pounds in its second four months. How much

Which is a positive effect of the technological advance of going from a compass to a gps

Look at the area of the map indicated below. Which civilization developed in this part of the world during the classical era?

inpatient rehabilitation facilities (irf) provide

According to the ________ of attraction, we will like those whose behavior is rewarding to us, including those who are both able and willing to help us achieve

Solve the given initial-value problem. x' = 1 2 0 1 − 1 2 x, x(0) = 2 7

How does Al-Qaeda justify its use of violence against innocent American citizens? A. It claims that the United States wants to establish colonies in Muslim stat