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riadik2000 [5.3K]
3 years ago
14

Cann someone please help mee

Mathematics
2 answers:
tensa zangetsu [6.8K]3 years ago
8 0
First you find what is 7% of 39.99 by multiplying 39.99•0.07

39.99•0.07= 2.7993

Now because you are being taxed (MORE money) you add that amount to the original cost

2.7993+39.99=42. 7893

You are probably going to need to round it but I’ll leave it like that bc I don’t know if u need to round it to its nearest tenth, hundredth :)
xxMikexx [17]3 years ago
4 0

Answer:

this is the answer

Step-by-step explanation:

42.7893

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find the derivative with respect to x of f(x)=4x , and use it to find the equation of the tangent line to y=4x at x= 5
seropon [69]

Answer:

F(x)=4X X=5

F(5)=4X

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4 0
2 years ago
Think of a number . Multiply by 6 and add 5 is 11.Frame an equation and<br><br>solve .
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Answer:

x=1

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8 0
3 years ago
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stepan [7]

I think it's 1/4 that's my answer

7 0
3 years ago
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kogti [31]
The answer is c 16475
5 0
2 years ago
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Solve the following equation<br> (7X3+4X2+3X+2) + (2X2+X+5)=
rjkz [21]
The way it's written it's 
Simplify the following:
7 X^3 + 4 X^2 + 2 X^2 + 3 X + X + 2 + 5
Grouping like terms, 7 X^3 + 4 X^2 + 2 X^2 + 3 X + X + 2 + 5 = 7 X^3 + (4 X^2 + 2 X^2) + (3 X + X) + (2 + 5):7 X^3 + (4 X^2 + 2 X^2) + (3 X + X) + (2 + 5)
4 X^2 + 2 X^2 = 6 X^2:
7 X^3 + 6 X^2 + (3 X + X) + (2 + 5)
3 X + X = 4 X:
7 X^3 + 6 X^2 + 4 X + (2 + 5)
2 + 5 = 7:Answer:  7 X^3 + 6 X^2 + 4 X + 7
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