Textmedoni Textmedoni

06-01-2015
Mathematics

Answered

A collection of dimes and nickels is worth 950 there are 132 coins in all

How many of each coin are there

_dimes
_nickels

Answer :

06-01-2015

Do the same thing here.

d = dimes
n = nickels

d + n = 132
d = 132 - n

10d + 5n = 950
10(132 - n) + 5n = 950
1320 - 10n + 5n = 950
-5n = -370
n = 74

d = 132 - (74)
d = 58

58 dimes
74 nickels

Answer Link

Other Questions

IntermediateMiss Rose teaches three ballet classes. Her students' data are shown in the relative frequency table.

Which of the following correctly compares the phosphorus isotopes [tex]${ }^{31}P$[/tex] and [tex]${ }^{32}P$[/tex]?A. [tex][tex]${ }^{31}P$[/tex][/tex] has 16

7. The volume of a cylinder is represented by the formula [tex]$V=\pi r^2 h$[/tex].Find each missing height and show your reasoning.[tex]\[ \begin{array}{|c|c|c

Pregunta 1: ¿Qué es la seguridad alimentaria?a) Garantizar que los alimentos tengan buen sabor.b) Garantizar que los alimentos sean económicos.c) Garantizar que

In this activity, you will record a short paragraph in Spanish about any teacher who has had a positive impact on you. Describe your rapport with the teacher an

Select the correct answer.Brenda is choosing a car insurance plan. Based on her driving history and traffic where she lives, Brenda estimates that there is a [t

1. How is every citizen of India a nation-builder?2. What quality of a teacher makes him a nation-builder?3. An ideal man is: a) one who works fully in the se

What are the zeros of the equation y+16x = x^3

Interpreter services are available for patients who speak English as a second language. What should you know and do to assist with appointments for this populat

Find [tex]$7 \frac{1}{3} \div 2 \frac{1}{5}$[/tex]. Simplify the answer and write as a mixed number.A. [tex]\frac{110}{33}[/tex]B. [tex]1 \frac{2}{3}[/tex]C. [t

Which was the same in all Greek city-states? 1. The alphabet 2. Military training 3. Philosophy 4. Music

In which two regions did the Eisenhower administration effectively use brinkmanship?

What is the sum of X2-3x+7 and 3x2+5X-9

what is 5/8 -3/8 in simplest form

What is the purpose of a usability test?

What is 5/6 minus 3/8??????

Tanya is 62 inches tall. She is 17 inches taller than May. Write and solve an equation to find May's height.

how long would it take you to swim across a lake that is 900 meters across if you swim at 1.5 m/s

Which is a land management technique that limits topsoil loss?

why is hydrogen a light gas whilst iron is a heavy metal