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swat32
3 years ago
14

Write a function rule to describe the amount of change, c(x), you get from a $20.00 bill when

Mathematics
1 answer:
MAXImum [283]3 years ago
3 0
100 I think so but idk
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Which of the relations below is a function? *
lys-0071 [83]

Answer:

{(2, 3), (3, 4), (6, 2), (7, 3)}

Step-by-step explanation:

{(2, 3), (3, 4), (6, 2), (7, 3)}

this solution has different domain values : 2, 3, 6, 7

3 0
3 years ago
If angle 4=3x, and angle 5=6x, whhat is the value of x for live a to be parallel to line b?
bixtya [17]
20

3x+6x=180
9x=180
Divide by 9
X=20
7 0
3 years ago
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64y-4+2y=-2<br> solve the equation
-Dominant- [34]

Answer:33=y

Step 64u to 2y you get 66y the. -2+4 and you get 2 which is 66y=2. Now divide 66 by two to get 33=y

6 0
4 years ago
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You invested your allowance of $500 which gets 15% compounded annually for 5 years.
labwork [276]

Answer:

Step-by-step explanation:

15

8 0
3 years ago
4X^2 - 8X + 4<br> - (2x^2 - 3X + 7 =
kykrilka [37]
I assume the way it's written is like this

4x^2 - 8x + 4 - (2x^2 - 3x + 7)

If that's the case, just combine like terms.

Let's begin with 4x^2. It has the same components as the -2x^2 (remember, since it's being subtracted in the original equation, the number is negative.)

4x^2 - 2x^2 = 2x^2

Now -8x and 3x (be careful, sometimes there's a minus sign in and out of the parentheses, this makes the number positive again

-8x + 3x = -5x

And then 4 and -7

4 - 7 = -3

So the simplified version is finally:

2x^2 - 5x - 3

Hope this helped! If you need me to explain anything, don't be afraid to ask.
5 0
3 years ago
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