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alukav5142 [94]
3 years ago
13

N + 3m; use m = 3, and n = 1

Mathematics
1 answer:
musickatia [10]3 years ago
4 0

Answer:

10

Step-by-step explanation:

  • plug 3 into m and plug 1 into n
  • order of operations say you multiple first so you multiple 3 times 3 which equals 9
  • then you add 1 and 9 which equals 10
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What number is halfway between 60and 70
tatuchka [14]

Answer:

65

Step-by-step explanation:

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10 / 2 = 5

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3 years ago
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8 0
3 years ago
If f(x)=3x+2and g(x)=x^2-9 find (f-g)(x)
mel-nik [20]

Step-by-step explanation:

If f(x)=3x+2and g(x)=x^2-9

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3 years ago
The math club sells candy bars an d drinks during football games. • 60 candy bars and 110 drinks will sell for $265. • 120 candy
Sedbober [7]
We can set up a system of equations to solve this. 

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60b + 110d = 265

To cancel out b, first make the b terms equal.

60b · 2 + 110d · 2 = 265 · 2
120b + 220d = 530

Now subtract the equations.

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-120b + 220d =  530
---------------------------
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Solve for d.

-130d/-130 = -260/-130
d = 2

Now put the value of d in one of the equations. 

60b + 110d = 265
60b + 110 · 2 = 265
60b + 220 = 265
60b + 220 - 220 = 265 - 220
60b = 45
60b/60 = 45/60
b = 0.75

Each candy bar sells for $0.75

Hope this helps! :)
7 0
3 years ago
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2 years ago
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