owenbowers8480 owenbowers8480

20-01-2018
Mathematics

contestada

There are 10 coins in a jar. some are dimes and the rest are nickels. the coins are worth a total of 70 cents. which system of equations represent the situation

Respuesta :

gustanika gustanika

20-01-2018

eg. d stands for the number of dimes, n stands for the number of nickels
a dime worth 10 cents, 1 nickel worth 5 cents

The equation for "There are 10 coins in a jar" is
d + n = 10

The equation for "The coins are worth a total of 70 cents" is
10d + 5n = 70

Answer Link

Otras preguntas

The New Jersey plan called for A. the abolition of slavery. B. abandoning the Articles of Confederation. C. equal representation for all states in the Congress.

what is the mixed number that is equivalent to 4.27

Afrikaans is a language primarily composed of African words and

By thinking about what is really important to you, you can determine your _____. a. aptitude b. personality c. values d. career

the "unwritten constitution" Includes the practice of? A. vetoing laws B. judicial review C. Issuing currency D. Passing laws

A series of legislative acts passed under the Grant administration in 1870 and 1871 authorized federal protection for black suffrage through the use of the Army

simon is making wreaths to sell .he has 60 bows, 36 silk roses and 48 silk carnation .he wantsto put the same numbers of items on each wreath all the items on a

To which set or sets does -20 belong to, Whole numbers, Rational Numbers or Integers

Fred buys a video game disk for $4. There was a discount of 20%.What is the sales price

show two ways four people can share a chewy fruit worm how many segments does each person get

ACCESS MORE EDU ACCESS