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xz_007 [3.2K]
3 years ago
13

a collection of coins consist of nickels, dimes, and quarters. there are 3 fewer quarters than nickels and six more dimes than q

uarters. how many of each kind of coin is in the collection if the total value of the collection is $4.35?
Mathematics
1 answer:
ZanzabumX [31]3 years ago
7 0
There are 12 Nickels, 9 Quarters, and 15 Dimes.
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I need help, can someone tell me the answer to 13x + 3 - 7x - 1? Please and thank you.
Yuki888 [10]

Answer:

6x+2

Step-by-step explanation:

your combine like terms...

so 13x is teh same as -7x

13x-7x= 6x

3 and -1 are the same as well

3-1=2

so teh answer would be

6x+2

3 0
2 years ago
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A point D (3, 2) is rotated clockwise through 90°. Find the new coordinates of D'.
qwelly [4]

Answer:

the rule for rotating 90 degrees clockwise is (x,y) to (y,-x). (3,2) will turn into (2,-3)

Step-by-step explanation:

7 0
3 years ago
Vertex form of <br> y=x^2-4x-9
Scrat [10]
Complete the square
first isolate x terms
y=(x^2-4x)-9
complete square inside (take 1/2 of square of b )
-4/2=-2, (-2)^2=4
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y=((x-2)^2-4)-9
y=(x-2)^2-4-9
y=(x-2)^2-13
3 0
3 years ago
adam hikes from bridgetown to lakeville. Gina starts at the same time, and hikes from Lakeville to Bridgetown on the same road.
IgorC [24]

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Step-by-step explanation:

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3 years ago
Which ordered pair is not a solution of y = 2x + 1?
Dmitrij [34]

Answer:

(-1,1)

Step-by-step explanation:

All you have to do is plug it in the equation:

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For (-1,1)

1=2(-1)+1

Simplify:

1=-1 but you know that 1≠-1 so (-1,1) is not it

For (3,7)

7=2(3)+1

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7=7

For (-3,-5)

-5=2(-3)+1

-5=-5

Simplify:

For (0,1)

1=2(0)+1

1=1

7 0
3 years ago
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