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Setler [38]
2 years ago
8

HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Evgen [1.6K]2 years ago
8 0

Answer:

3.3 and 5

Step-by-step explanation:

Suppplement angle is totaling both of angle to 180 degree

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total charge = days late * fine

3.77 = 13*fine

divide by 13 on each side

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What is the answer to the question
iren2701 [21]

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4

Step-by-step explanation:

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PLEASE HELP ME! i think its A
natali 33 [55]

Answer:

The answer is 3rd option.

Step-by-step explanation:

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5 0
3 years ago
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A quadratic equation is shown below:
Valentin [98]
Part A)

The given equation is:

25 x^{2} +10x+1=0

The radicand or discriminant(d) of the equation will be:

d=(10)^{2}-4(25)(1) \\  \\ 
d=100-100 \\  \\ 
d=0

Since the discriminant is equal to 0, the given quadratic equation has only 1 root. In other words we can say the the given equation is a perfect square. 


Part B)

The given equation is:

4 x^{2} -4x+1=0

We can solve this expression by factorization. Factors of middle term are to be made in such a way that their product equals the product of first and third term and sum is equal to the middle term i.e. product should be 4x² and sum should be -4x.
So the two such terms are -2x and -2x. Using the factors and simplifying the equation by taking common we get:

4 x^{2} -2x-2x+1=0 \\  \\ 
2x(2x-1)-1(2x-1)=0 \\  \\ 
(2x-1)(2x-1)=0 \\  \\ 
(2x-1) ^{2}=0 \\  \\ 
2x-1=0  \\  \\ 
x= \frac{1}{2}
4 0
3 years ago
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