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Lilit [14]
3 years ago
11

I need help with math

Mathematics
1 answer:
tatuchka [14]3 years ago
5 0
Tell me the problems and i may be able to help

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What are the solutions of this quadratic?<br><br> Y=X^2 -2X
sergejj [24]

Answer:

this is my answer but it's on you if you think this answer is correct or wrong

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I need help plz!!!!!!
GrogVix [38]

Answer:

put -2 in -2    /   put -2 again in same spot and again just do it for 3 times then 1/3 in the middle of 0 and -2 but a bit closer to the -2

Step-by-step explanation:

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If y is directly proportional to x and y = 17.5 when x=21 find y when x=39
morpeh [17]

direct proportion y=kx , k is constant and k does not equal to 0.

17.5=k(21)

k=5/6

when x =39

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4 0
3 years ago
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PLZ help me fast 2 mins left
jek_recluse [69]

Answer:

\sqrt{-5}=i\sqrt{5}

\sqrt{-25}=5i

Step-by-step explanation:

i is an imaginary unit, this means

i^2=-1

Rewrite -5 as 5\cdot (-1)=5\cdot i^2,

then

\sqrt{-5}=\sqrt{5i^2}=\sqrt{5}\cdot \sqrt{i^2}=\sqrt{5}\cdot i=i\sqrt{5}

Rewrite -25 as -25=25\cdot (-1)=25\cdot i^2,

then

\sqrt{-25}=\sqrt{25\cdot i^2}=\sqrt{25}\cdot \sqrt{i^2}=5\cdot i=5i

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3 years ago
Which graph represents the function f(x)=4|x|?
Fantom [35]

Answer:

I think this is what the graph looks like.

Step-by-step explanation:

I hope this helps.sorry if it's wrong.

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3 years ago
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