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gregori [183]
3 years ago
13

Can someone explain and help me

Mathematics
1 answer:
Musya8 [376]3 years ago
5 0

Answer:

1. -9 degrees Fahrenheit

2. 80 degrees Fahrenheit

Hope this helps:)

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Graph the line that contains the point (o,3) and has a slope of 1/2
Katyanochek1 [597]

Answer:

Step-by-step explanation:

y-3=1/2(x-0)=1/2 x

2y-6=x

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In the third degree polynomial function f(x) =x^3 + 4x, why are 2i and -2i zeros?
IgorC [24]

Answer:

We just need to evaluate and get f(2i)=0, f(-2i)=0.

Step-by-step explanation:

Since i^2=-1, then i^3=i^2i=-i, and we can apply this when we evaluate f(x) =x^3 + 4x for 2i and -2i.

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f(2i) =(2i)^3 + 4(2i)=2^3i^3+8i=8(-i)+8i=0

Which shows that 2i is a zero of f(x).

Then we have:

f(-2i) =(-2i)^3 + 4(-2i)=(-2)^3i^3-8i=-8(-i)-8i=8i-8i=0

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4 years ago
The enthalpy of a reaction can be measured using a _____.
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4 years ago
Read 2 more answers
Need some help, please. :D
4vir4ik [10]

Answer:   (P.s its very hard to write special characters here, i hope this helped though)

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=

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4 0
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