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Fantom [35]
2 years ago
7

51:14

Mathematics
1 answer:
goldenfox [79]2 years ago
8 0

Answer: Responsibility might include registering to vote, learning about laws that might affect his new status as an adult.

Duty may include registering for Selective Service.

Step-by-step explanation:

This may be better in the Social Studies category, but I gave it a shot as long as it's here in Mathematics.

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Paul has 12 coins in his pocket, consisting entirely of dimes and quarters. If he has a total of 195 cents in coins, how many co
anyanavicka [17]

Let x be the number of dimes

and y be the number of quarters

Total number of coins = 12

So number of dimes + number of quarters = total number of coins

x + y = 12 ---------> equation 1

We know, 1 Quarter = 25 cents, 1 Dime = 10 cents, total cents = 196

y quarters = 25y cents , x dimes = 10x cents

x dimes + y quarters = 195 cents

10x + 25y = 195 -----------> equation 2

Now solve both equations

x + y =12, we solve for y by subtracting x on both sides

y = 12-x

Now substitute y in second equation

10x + 25(12-x) = 195

10x + 300 -25x = 195 (combine like terms)

-15x + 300 = 195 (subtract 300 on both sides)

-15x = -105 ( divide by -15)

x=7

y= 12-x

y=12-7 = 5

The number of dimes = 7

Number of quarters = 5






8 0
3 years ago
Functions W and Z are both linear functions of x. Which statement comparing the functions is true?
Tpy6a [65]

Answer is in the file below

tinyurl.com/wpazsebu

8 0
3 years ago
Write to show how you make a ten. then add.
kirill [66]
Hello there! 9+7=16. I hope this helps!
6 0
2 years ago
Read 2 more answers
Flor tiene una papelería y vende los lápices en $12 y los bolígrafos en $20. ¿Qué expresión algebraica permite saber cuánto debe
stiks02 [169]

Answer:

c=120x+200y

Step-by-step explanation:

La expresión algebraica debería indicar que el valor total que debe cobrar Flor es igual a 10 que representa el número de bolsas por el resultado de la suma del precio de cada item por la cantidad, lo que se puede expresar de la siguiente forma:

c=10(12x+20y)

c=120x+200y

De acuerdo a esto, la expresión algebraica que permite saber cuánto debe cobrar Flor por 10 bolsas que contengan x cantidad de lápices y "y" cantidad de bolígrafos es c=120x+200y.

7 0
3 years ago
Which expression is equivalent to 7(12+3) by the distributive property
wlad13 [49]

Answer:

84+21

Step-by-step explanation:

First, do 7 times 12

7*12= 84

Then, do 7 times 3

7*3= 21

7 0
3 years ago
Read 2 more answers
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