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MrRa [10]
4 years ago
8

I need help please?!!!!!!

Mathematics
1 answer:
Ipatiy [6.2K]4 years ago
4 0

Answer:

20m? im not really sure sorry if im wrong

Step-by-step explanation:

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2 years ago
Beatrice pushes with a force of 40N . how can you you determine if Beatrice is doing work on the box ?
OLEGan [10]

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5 0
3 years ago
I need help with the first one only please
Shtirlitz [24]
0.3 should be the answer!
7 0
3 years ago
Read 2 more answers
Form a polynomial f(x) with real coefficients having the given degree and zeros.
dimaraw [331]
There are many polynomials that fit the bill,
f(x)=a(x-r1)(x-r2)(x-r3)(x-r4)  where a is any real number not equal to zero.
A simple one is when a=1.
where r1,r2,r3,r4 are the roots of the 4th degree polynomial.
Also note that for a polynomial with *real* coefficients, complex roots *always* come in conjugages, i.e. in the form a&pm;bi  [&pm;=+/-]

So a polynomial would be:
f(x)=(x-(-4-5i))(x-(-4+5i))(x--2)(x--2)
or, simplifying
f(x)=(x+4+5i)(x+4-5i)(x+2)^2
=x^4+12x^3+77x^2+196x+164   [if you decide to expand]
6 0
4 years ago
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