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Ahat [919]
3 years ago
8

Nvm. ...................

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
6 0

Answer:

????

Step-by-step explanation:

well thanks for the free points :)

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You have a coin collection of nickels and dimes containing 63 coins. If you have
xxTIMURxx [149]

Answer: 25 nickels

Step-by-step explanation:

EQUATIONS:

quantity: n + d = 63

value: 5n + 10d = 505

-------------------------

Divide thru the 2nd equation by 5 to get:

n + 2d = 101

----------------

Subtract that from the 1st equation:

-d = -38

d = 38 (# of dimes)

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Substitute that into n+d=63 to solve for "n":

n + 38 = 63

n = 25 (# of nickels)

6 0
3 years ago
Aaron is 5 years older than Bronwyn, Carl is 7 years older than Aaron and the sum of all their ages is 53 years. How old is Bron
Brut [27]
Bronwyn equals to 12
Aaron equals to 17
And Carl is 24
Do you want me to explain?
3 0
3 years ago
Patrick is replacing a door in his house. It has a height of 80 inches and its diagonal is 89 inches. What is the width of the d
Sedbober [7]
72 I think I hope its right I had to write all over my paper lol
6 0
3 years ago
7.
Alexxx [7]

Answer:

x = 3

Step-by-step explanation:

Given the 2 equations

x + y = 3 → (1)

2x - y = 6 → (2)

Adding the 2 equations term by term eliminates the y- term, that is

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x = 3

4 0
3 years ago
Identify the vertex of the function graphed below.
MariettaO [177]
The answer is D, (2,2). A vertex is where a line or curve meets and changes direction.
4 0
2 years ago
Read 2 more answers
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