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egoroff_w [7]
3 years ago
6

Carrie oakey has only nickles to spend at the fair. She buys 3 tickets for 50 cents each and has $.40 left over. How many coins

did she have before purchasing the tickets
Mathematics
1 answer:
Nat2105 [25]3 years ago
7 0

Answer:

she had 18 nickles

Step-by-step explanation: your so welcome

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5 0
2 years ago
What is the solution set of x2 + y2 = 26 and x − y = 6? A. {(5, -1), (-5, 1)} B. {(1, 5), (5, 1)} C. {(-1, 5), (1, -5)} D. {(5,
Rus_ich [418]
He two equations given are
x^2 + y^2 = 26
And
x - y = 6
x = y +6
Putting the value of x from the second equation to the first equation, we get
x^2 + y^2 = 26
(y + 6) ^2 + y^2 = 26
y^2 + 12y + 36 + y^2 = 26
2y^2 + 12y + 36 - 26 = 0
2y^2 + 12y + 10 = 0
y^2 + 6y + 5 = 0
y^2 + y + 5y + 5 = 0
y(y + 1) + 5 ( y + 1) = 0
(y + 1)(y + 5) = 0
Then 
y + 1 = 0
y = -1
so x - y = 6
     x + 1 = 6
x = 5
Or
y + 5 = 0
y = - 5
Again x = 1
So the solutions would be (-1, 5), (1 , -5). The correct option is option "C".

4 0
3 years ago
Read 2 more answers
How do I solve this 4/5 -3/9 I solve
Oksana_A [137]

Answer:

21/45

Step-by-step explanation:

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3 0
3 years ago
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Inessa05 [86]

Answer:

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Step-by-step explanation:

1 1/2= 1 3/6

6 1/3= 6 2/6

 1 3/6

+6 2/6

————-

7 5/6

4 0
2 years ago
Rewrite x+2y=-4 in slope intercept
barxatty [35]

Answer:

y= - 1/2 x-2 ( SEE IMAGE BELOW)

Step-by-step explanation:

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