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Doss [256]
3 years ago
11

Use the quadratic formula to find the roots of x^2-2x+5=0 ?

Mathematics
1 answer:
Alex73 [517]3 years ago
6 0
The answer of the quadratic formula for finding the roots is x=1±2i.
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Solve the following equations for the unknown variable.
ser-zykov [4K]

Answer:

4

Step-by-step explanation:1.trust me

2.it will be it

3.just do it

7 0
3 years ago
I need help with this problem please?
user100 [1]

Answer:

Step-by-step explanation:

If ΔABC ~ ΔPQR

\frac{PQ}{AB} =\frac{QR}{BC} = \frac{RP}{CA}

or

\frac{AB}{PQ} =\frac{BC}{QR} =\frac{CA}{RP}

3 0
3 years ago
Please help me ......................
jekas [21]

Answer:

n = 18

Step-by-step explanation:

The formula for angle sum of a polygon is S = 180 (n - 2), where S is the sum and n is the sides.

We are given that the sum is 2880, and are trying to find n.

Simply sub in S = 2880,

2880 = 180 (n - 2)

Divide by 180 to get (n - 2) by themselves on the right side,

16 = n - 2

Now add 2 to the other side to get n by itself

18 = n

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Hope this helped!! Please feel free to ask me if there's anything you don't understand from this working

3 0
3 years ago
Read 2 more answers
Find all the zeros of the function f(x)=x^3+15x^2+67x+53
Elza [17]
<span> x = 3<span> x =(-12-√-4)/-2=6+i= 6.0000-1.0000i</span><span> x =(-12+√-4)/-2=6-i= 6.0000+1.000</span></span>
7 0
3 years ago
It is estimated that 45% of people in Fast-Food restaurants order a diet drink with their lunch. Find the probability that the f
mixer [17]

Answer:

So, the probability is P=0.041.

Step-by-step explanation:

We know that  45% of people in Fast-Food restaurants order a diet drink with their lunch.

We conclude that the probaility p=0.45 that a person order a diet drink.

We calculate the probability that the fourth person orders a diet drink.  

We get:

P=p^4\\\\P=0.45^4\\\\P=0.041\\

So, the probability is P=0.041.

5 0
3 years ago
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