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Rainbow [258]
3 years ago
7

Any one that knows this please help thanks!

Mathematics
1 answer:
nignag [31]3 years ago
3 0

You just need to plug the values: you have to multiply x and y^2, and then divide the result by -3.

So, if y=2, we have y^2=4

Which means that xy^2 = 5\cdot 4 = 20

And the final answer is \frac{20}{-3}

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Nady [450]
Hello,
To exist x≠0

if x>0 then
x+2/x>=3==>x²+2>=3x
==>x²-3x+2>=0
==>(x-2)(x-1)>=0 positive out of the roots
==>  (x<=1 or x>=2) and x>0
==>(0<x<=1) or (x>=2)
else
x<0
x+2/x>=3==>x²+2<=3x
==>x²-3x+2<=0 negative betheen the roots
==>(1<=x<=2) and x<0 : no solution
end if

4 0
3 years ago
1. f(x) = 3x – 2; f(4)??
netineya [11]

Answer:

the answer is 5

Step-by-step explanation:

f(4) = 3(4) -2

7 - 2 = 5

8 0
3 years ago
Read 2 more answers
Solve four tenths plus four ninths
weeeeeb [17]
The answer is Eight ninetieths
Pls mark as brainliest thx
6 0
3 years ago
14+{-2+3[1+3(-6-2)]}
Marrrta [24]
14 + {-2 + 3[1 + 3(-6-2)]}
14 + { -2 + 3[1 + 3(-8)]}
14 + { -2 + 3[1 - 24]}
14 + { -2 + 3[-23]}
14 + {-2 - 69}
14 + {-71}
14 - 71
- 57 <==
3 0
3 years ago
Read 2 more answers
TRUE OR FALSE:
enot [183]
<span>It is possible to have an obtuse triangle that also contains a 35° angle.
Yes, this is true.
That's because an obtuse angle just means it's more than 90 but less than 180 degrees. 

</span><span>It is possible to have a right triangle that also contains a 110° angle.
</span>No, this is false.
That's because a right triangle already has 90. That means that the two remaining angles must add up to 90 and not more or less. 

<span>It is possible to have an acute triangle that also contains a 70° angle. 
Yes, this is true.
An acute triangle means that all of the angles are more than 0 but less than 90.

Hope this helps :)</span>
7 0
3 years ago
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